15 results about "Jackhammer" patented technology

The utility model relates to the field of jackhammer assistive devices, and discloses a jackhammer support moving moped which comprises a moped body and a mounting plate used for being connected with a jackhammer, a connecting rod is fixedly arranged on one side of the lower end face of the moped body, and the end, away from the moped body, of the connecting rod is in threaded connection with a connecting bolt. The end, away from the connecting rod, of the connecting bolt is fixedly provided with a connecting piece, and the upper end face, close to the front end, of the mounting plate is fixedly provided with a bearing seat for guaranteeing rotation of the connecting piece. According to the pneumatic hammer, the weight of the pneumatic hammer in the moving process is reduced through the moped, more labor is saved during moving, and meanwhile the multi-angle adjusting function during pneumatic hammer operation can be achieved.

1. Name of the Design Product: Electric Jackhammer. 2. Use of the Design Product: An electric tool used for operations such as breaking, leveling, excavating, grooving, and cutting on concrete, masonry structures, asphalt pavements, etc. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View.

1. The name of the product of this design: starter cover for chiseling machine. 2. Purpose of the product of this design: The chiseling machine is used to perform chiseling and hammering operations, and the starter cover of the chiseling machine is used to cover the mechanical parts of the starter and allow cooling air to enter the engine through the cover. 3. The design highlights of this design product lie in the shape of the part covered by the gray translucent layer. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1. 5. Other matters that need explanation: The part covered by the red semi-transparent layer in the figure is the part for which protection is not requested, and the part covered by the gray semi-transparent layer is the part for which protection is requested. The design for which protection is sought does not include colour.

The invention provides an impact drilling system of a dinting machine, which belongs to the technical field of roadway repair and comprises a connecting frame, a connecting shaft, a swing oil cylinder I, a connecting disc II, a rotating motor, a drilling frame I, a fixing disc, a drilling frame II, a swing oil cylinder II, a push-pull plate, a drilling frame III, a feeding oil cylinder, a drilling machine fixing plate, an impact drill, a chain assembly and a chain driving motor. According to the dinting machine impact drilling system, left-right large-range swing is achieved through stretching and retracting of the swing oil cylinder I, left-right small-range fine adjustment is achieved through the swing oil cylinder II, rotation is achieved through the rotating motor, and the swing oil cylinders and the rotating motor are matched with each other to achieve drilling angle adjustment.

This utility model discloses a device for simulating an impact drill and a game console. The device includes a drill bit simulator, a vibration mechanism, and a centering mechanism. The drill bit simulator has multiple handheld parts. The vibration mechanism has a vibrating component capable of reciprocating linear motion. The direction of motion of the vibrating component is parallel to the axial direction of the drill bit simulator. The vibrating component and the drill bit simulator are connected by a transmission connection, enabling the drill bit simulator to vibrate. The centering mechanism is connected to the vibration mechanism, allowing the vibration mechanism to swing and driving it back to its original position. The original position refers to the position of the vibration mechanism when the device is in its natural state. This game console can simulate the actual vibration of an impact drill. Through this game console, people can understand the working principle of an impact drill and experience the charm of such engineering machinery, thus enriching their lives.

Vibration suppression handle structures for high-vibration handheld machines (e.g., jackhammers) are provided that offer improved vibration suppression. The handle structures of examples include two handles that are rotatably connected to X-shaped structures for vibration suppression. For instance, one side of each of the first and second handles is rotatably connected to one of the X-shaped structures, and the other side of each of the first and second handles is rotatably connected to the second X-shaped structure. The X-shaped structures of examples are adjustable in size and stiffness and thus can be adapted for different sized or shaped handheld machines. Jackhammers are further provided that include the vibration suppression handle structures.

Mechanical device with two facing pistons for jackhammers, according to its innovative character contains two facing pistons, in the transmitter cylinder, which has the advantage of creating twice as much pressure in the receiver cylinder, which contains the striking piston which will strike the spindle with much more power, than single-piston devices.

The utility model discloses a breaking device for road and bridge construction, which relates to the technical field of breaking equipment, and comprises a hand drill body, the bottom end of the hand drill body is connected with a drill rod, the outer side of the hand drill body is sleeved with a connecting ring, and the side edge of the connecting ring is connected with a loop bar. The sleeve rod and the movable plate are arranged, in the using process, the sleeve rod and the movable plate are matched with each other, the height of the movable plate can be adjusted, and therefore the drilling depth of the drill rod can be adjusted, the uniformity of the drilling depth of each time can be guaranteed, the situation that the breaking depth is not enough or excessive can be avoided, and the drilling efficiency is improved. According to the device, a rubber strip and a vertical rod are arranged, in the using process, through the arrangement of the rubber strip and the vertical rod, chippings can be blocked, so that the chippings can be effectively prevented from splashing to the hands of a worker, through the arrangement of the vertical rod and a second spring, the chippings can be prevented from directly colliding with a moving plate, and the service life of the moving plate is guaranteed.

The present invention relates to the technical field of underground drainage pipe replacement, and its purpose is to provide a pipe replacement device and a method for using the same. This pipe replacement device has low construction noise, good cutting effect, short construction time, and does not require regular replacement of the cutting mechanism. The above-mentioned pipe replacement device includes: a shell, a cutting mechanism, a waste transport mechanism, and a jacking mechanism; the cutting mechanism includes a water jet cutting assembly provided at the front end of the shell; the waste transport mechanism is provided in the shell, and the waste transport mechanism is used to transport the cut pipe block from the water jet cutting assembly to the rear end of the shell; the driving end of the jacking mechanism can abut against the rear end of the shell to push the shell to move in a direction away from the jacking mechanism. The present invention solves the problem that reinforced concrete pipe replacement equipment in the prior art needs to use a jackhammer or a gear to forcefully crush the pipe wall, resulting in poor crushing effect, long construction time, huge construction noise, and the tool is easy to wear and needs to be replaced regularly.

The utility model discloses a jackhammer support trolley which comprises a trolley body, an installation frame composed of a first vertical rod and a second vertical rod is fixedly installed at the rear end of the trolley body, the first vertical rod and the second vertical rod are arranged in a spaced mode, the upper ends of the first vertical rod and the second vertical rod are both fixed to a push rod, a jackhammer base is installed at the front end of the jackhammer base, and the front end of the jackhammer base is located in front of the installation frame. The rear end of the pneumatic hammer base is located behind the mounting frame, the rear end of the pneumatic hammer base is connected with the rear end of the vehicle body through an elastic piece, and the pneumatic hammer base is hinged to the first vertical rod and the second vertical rod. When a person uses the pneumatic hammer, the spring at the rear end of the vehicle body contracts to automatically adjust the height of the support, the rubber wheels are installed at the bottom to push back and forth, and tires can be maintained without auxiliary personnel.

The invention discloses a method for improving end plate bolt dismounting efficiency based on double jackhammers, the double jackhammers independently move in an end plate plane to be used for dismounting end plate bolts, and the method comprises the steps that S1, the bolts are divided into a first bolt group close to a jackhammer A and a second bolt group close to a jackhammer B; s2, redundant bolts are detached, so that the number of the first bolt sets is the same as that of the second bolt sets; s3, numbering the bolts: sequentially numbering the bolts A1 to Ai to An and the bolts B1 to Bi to Bn according to a clockwise sequence to form correspondence between Ai and Bi; s4, establishing a non-interference safety condition; s5, the bolts A1-B1... Ai-Bi... An-Bn are synchronously disassembled through the double jackhammers, and before each pair of bolts is disassembled, the non-interference safety condition is judged; if yes, dismounting is executed, and if not, dismounting is stopped, and a prompt is given. According to the method for improving the end plate bolt dismounting efficiency based on the double jackhammers, the target moving positions of the two jackhammers are calculated according to the number and the positions of the bolts, on the premise that the two jackhammers do not interfere with each other and do not collide with each other, rapid and efficient dismounting is achieved, and the dismounting efficiency is improved.

The invention relates to the field of subway foundation construction, in particular to a construction method for communicating a subway accessory structure with a main body structure, which comprises the following steps: constructing an accessory structure continuous wall, and constructing a first support and a second support; earth is excavated to the bottom of the foundation pit, an air pick is adopted to break the diaphragm wall at the connecting position of the accessory structure and the main body structure after presplitting is conducted through a splitting rod, a bottom plate of the accessory structure is constructed, and a bottom plate within the range of the rear chiseling diaphragm wall is reserved for later pouring; the second support and the first support are dismantled in a segmented mode; and after breaking, the underground diaphragm wall is chiseled to the bottom of the accessory structure bottom plate, and an accessory structure post-cast strip is constructed. After the splitting rod is adopted for presplitting, the air pick is adopted for breaking the diaphragm wall at the connecting position of the accessory structure and the main body structure, and the influence of breaking construction on the main body structure can be reduced. And after the accessory structure top plate is constructed, the reserved supporting columns are broken, and the accessory structure post-cast strip is constructed, so that the underground diaphragm wall can be prevented from collapsing in the construction process, the construction risk caused to the main body structure during accessory structure construction is further reduced, and the construction safety is improved.

The utility model belongs to the technical field of air pick deslagging, and discloses a deslagging auxiliary device for air pick deslagging, which is sleeved on an air pick and comprises a pick rod support, a support plate and a limit block, one end of the pick rod support is fixedly connected with the air pick, and the other end of the pick rod support is sleeved with the air pick; the supporting plate is fixed on the pick drill rod bracket and corresponds to a spring on the air pick in position; the limiting block is provided with an inserting groove matched with the air pick in diameter, the support is provided with a limiting rod, the limiting block is provided with a limiting groove matched with the limiting rod, the inserting groove is connected with the air pick in an inserted mode so that the limiting groove can abut against the limiting rod to limit the limiting block to move in the radial direction of the air pick, and the two ends of the spring abut against the air pick and the limiting block respectively. According to the technical scheme, when sticky slag is cleaned, the situation that the spring is lengthened due to the fact that the slag adheres to the air pick can be avoided.

1. Name of the Design Product: Electric Jackhammer. 2. Use of the Design Product: As a processing tool in industries such as machining, construction and installation, mainly for operations such as breaking, chiseling, excavating, grooving, cutting, etc. on concrete, masonry structures, asphalt pavements, etc. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Front View.

1. Name of the Design Product: Electric Jackhammer (1142). 2. Use of the Design Product: An electric tool used for crushing operations on brick walls, concrete, etc. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective view.