15 results about "Power hammer" patented technology

The utility model relates to the technical field of hardware tools, in particular to a damping titanium alloy connected claw hammer which comprises a hammer head and a hammer handle, the hammer head is arranged at one end of the hammer handle, an impact head is slidably arranged on the hammer head, an impact damping part is arranged between the impact head and the hammer head, and the impact damping part is used for absorbing vibration force generated by the impact head. A plurality of damping holes are formed in the hammer handle in the length direction of the hammer handle, and a hand damping piece is arranged on the hammer handle and used for absorbing vibration force on the hammer handle. The device has the effects of shock absorption, weight reduction and convenience in operation.

A method of driving a rod into the ground comprises coupling an impact portion of an attachment to a powered hammer, positioning the rod between a first jaw of the attachment and a second jaw of the attachment, activating a first motor to move the first jaw toward the second jaw, such that the rod is clamped between the two jaws, and activating a second motor to drive an axial impact mechanism of the powered hammer to deliver repeated axial impacts to the impact portion of the attachment.

An attachment configured for use with a powered hammer to drive a rod into the ground includes a body and an impact portion defining an impact axis. The impact portion includes a bore configured to receive a drive shank that is coupled to the powered hammer. The impact portion is configured to receive repeated impacts from the powered hammer. The attachment also includes a driving portion in which the rod is receivable. The driving portion includes a side load driving portion defining a side load driving axis. The side load driving axis is non-parallel to the impact axis.

The utility model discloses a multi-point torque excitation type underground generating device which comprises an outer pipe, a sliding sleeve connected to the right end of the outer pipe through pipe threads, a shaft barrel connected to the outer side of the sliding sleeve in a clearance fit mode through a hole and a shaft, the diameter of the shaft barrel is the same as that of the sliding sleeve, and the multi-point torque excitation type underground generating device further comprises an outer pipe, an occupied seat is installed in an open groove in the outer pipe and connected with the shaft barrel through threads. A power valve is placed in a groove formed in the occupied seat, meanwhile, the outer end of the power valve is connected with a power hammer, and the power valve and the power hammer are placed in the occupied seat in a hole-shaft clearance fit mode. According to the multi-point torque excitation type underground generating device, the torque load generated by the tool structure is transmitted to the power assembly, so that foreign matters in drilling fluid can be effectively dispersed or vibrated off, and the stability of the tool is improved. And when the torque load is transmitted to the PDC drill bit, the instantaneous bit pressure of the PDC drill bit is increased, so that the PDC drill bit can drill more effectively, the drilling speed is increased, and the stick-slip phenomenon of the PDC drill bit is effectively reduced.

The utility model belongs to the technical field of mechanical clocks, and particularly relates to a mechanical clock time telling device which comprises a time telling power heavy hammer, a transmission mechanism and a clock hammer, the time telling power heavy hammer is connected with the clock hammer through the transmission mechanism, when time telling is needed, the time telling power heavy hammer descends under the action of gravity, and then the clock hammer is driven to conduct knocking time telling action. A position detection switch is arranged on a descending path of the time telling power heavy hammer, the position detection switch is connected with a lifting mechanism through a control unit, and the position detection switch is a time delay switch and is used for delaying a set threshold value after the time telling power heavy hammer descends and triggers the position detection switch and then sending a trigger signal to the control unit. After the time telling power heavy hammer descends to the position detection switch, the time telling power heavy hammer is lifted after the time telling power heavy hammer delays the set threshold value. According to the mechanical clock time telling device of the utility model, the automatic lifting of the time telling power heavy hammer is realized by adopting the switch additionally provided with the time delay setting, the time telling failure condition under the critical condition can be eliminated, and the time telling reliability is improved.

The present invention provides a load rail vehicle for flatbed load testing, comprising a set of rails, a vehicle body, and a load unit. The vehicle body comprises a carrier plate and rail wheels, the rail wheels being clamped between the upper guardrail and the bottom plate of the rails, and the vehicle body being moved along the rails via the rail wheels. An anchor rod fixing device is mounted on the carrier plate, the anchor rod fixing device comprising an insertion rod device and a hammer rod device, the anchor rod being able to slide along an anchor rod hanging groove into a nail placing box, the hammer rod device comprising a hammer rod guide frame, and power hammers being mounted at both ends of the crossbar, and the anchor rods being nailed into the soil by the power hammers, thereby completing the fixing of the rails. The load rail vehicle for flatbed load testing provided by the present invention does not require the construction of an additional complex fixing frame to provide a reaction force, and is automatically fixed to the ground by anchor rods, thereby simplifying the site layout process and saving time and manpower. The present invention significantly improves construction efficiency and shortens the entire test cycle through automated processes, such as the automatic hanging, insertion, hammering, and removal of anchor rods.

A method of driving a rod into the ground includes coupling an impact portion of an attachment to a powered hammer. The rod is positioned between a first jaw of the attachment and a second jaw of the attachment. The first jaw is pivoted relative to the attachment such that the first jaw is engaged with the rod. The second jaw is pivoted relative to the attachment such that the second jaw is engaged with the rod. The powered hammer is activated to deliver repeated axial impacts to the impact portion of the attachment.

The utility model provides a full-automatic modal force hammer which comprises a supporting structure, a driving device, a force hammer, a force hammer driving lever and an elastic element, the supporting structure is provided with the driving device, the force hammer and the elastic element, the force hammer comprises a hammer rod and a hammer head, the hammer head is installed at the top end of the hammer rod through a force sensor, and the force hammer driving lever is installed on the driving device. The force hammer shifting rod is located below the hammer rod, the elastic element is connected with the hammer rod, the driving device is used for driving the force hammer shifting rod to move upwards or downwards, the force hammer shifting rod can drive the hammer rod to move upwards or downwards while moving upwards or downwards, and the force sensor is used for measuring and feeding back force value signals. The utility model has the beneficial effects that: 1, a complex angle adjusting mechanism is cancelled, the knocking position precision is ensured by fixing the mechanical bracket, and the mechanical interference is avoided; and 2, by simplifying the structural design and optimizing the control mode, the knocking force and the knocking position are automatically adjusted, and meanwhile, the equipment cost is reduced.

The present application relates to the technical field of pre-embedded part positioning device, in particular to a pile foundation pre-embedded part positioning device for mountain photovoltaic engineering, which comprises a positioning cylinder, the bottom end of the positioning cylinder is rotatably installed with three outer sheaths which are annularly and uniformly distributed, the inner part of each outer sheath is provided with an inner sheath, the distal end of each inner sheath and outer sheath is provided with a movable ski for increasing the pressure bearing area, the lower side of the positioning cylinder is provided with a matching sleeve, the matching sleeve is located inside the enclosed position of the three outer sheaths, the inner part of the outer sheath is provided with an auxiliary embedding device, the energy transmission structure formed between the matching sleeve and the response sleeve cooperates with the reset torsional spring and the power hammer, which can provide additional driving force when inserting the positioning sign, and the depth insertion of the reference pile can be completed without the traditional external force knocking, so that the construction personnel can complete the positioning and placement of the pre-embedded part under the condition of single-person operation, improve the initial reference construction efficiency of the pile foundation, and improve the accuracy and reliability of the pile foundation installation as a whole, which is especially suitable for the pile foundation positioning construction scene in mountain photovoltaic engineering.

This utility model proposes a weighing and monitoring system for pile foundation construction fill material, belonging to the technical field of driven stone pile drivers. This utility model achieves accurate acquisition of the amount of crushed stone filled during construction by weighing and accumulating the weight of the fill material in the concrete hopper each time. The technical solution includes a pile driver mast, a pile pipe, and a concrete hopper. A power hammer is fixed to the top of the pile pipe, and a first sliding wheel is provided on one side of the power hammer. A track is provided on the side of the pile driver mast opposite to the pile pipe, and the track cooperates with the first sliding wheel. A crossbeam is provided at the top of the pile driver mast, and a first pulley block is provided on the crossbeam. The power end of the first pulley block is connected to a first winch, and its resistance end is connected to a weighing device. The weighing device has a hook, which is connected to a fixed frame. The concrete hopper is fixed on the fixed frame, and the weighing device is used to weigh the weight of the fill material in the concrete hopper.

The invention relates to the technical field of embedded part positioning devices, in particular to a mountainous region photovoltaic engineering pile foundation embedded part positioning device which comprises a positioning cylinder, three outer protection shells which are annularly and evenly distributed are rotationally installed at the bottom end of the positioning cylinder, and inner protection shells are arranged in the outer protection shells in a penetrating mode. Movable flippers used for increasing the pressure bearing area are arranged at the far ends of the inner protection shell and the outer protection shells, a matching sleeve is arranged on the lower side of the positioning cylinder and located on the inner side of the position defined by the three outer protection shells, auxiliary embedding devices are arranged in the outer protection shells, and an energy transmission structure formed between the matching sleeve and the response sleeve is matched with a reset torsion spring and a power-assisted hammer. Extra driving force can be provided when a positioning label is inserted, deep insertion of a reference pile can be completed without traditional external force knocking, a constructor can complete positioning and in-place of an embedded part under the condition of single-person operation, the initial reference construction efficiency of a pile foundation is improved, the accuracy and reliability of pile foundation installation are integrally improved, and the construction cost is reduced. The method is especially suitable for pile foundation positioning construction scenes in mountain photovoltaic engineering.

An attachment configured for use with a power hammer for driving a rod into the ground includes a body and an impact portion defining an impact axis. The impact portion has a bore configured to receive a drive shaft connected to the power hammer. The impact portion is configured to receive repeated impacts from the power hammer. The attachment further includes a drive portion in which the rod can be received. The drive portion has a side-load drive portion defining a side-load drive axis. The side-load drive axis is not parallel to the impact axis.

The utility model discloses a low-power-consumption hammer type feed grinder which comprises a base and a blanking interception assembly, a processing unit is arranged at the top of the base, and a driving part is arranged on the side of the processing unit and located at the top of the base; the discharging interception assembly comprises a clamping base arranged on the inner wall of the discharging port of the machining unit, the top of the clamping base is connected with a blocking part used for sealing the discharging port of the machining unit in a penetrating mode, and a locking part used for fixing the position of the blocking part is arranged at the penetrating position of the blocking part and the clamping base. The blanking interception assembly is arranged at the discharging position of the processing unit, the blocking part penetrating through the clamping seat in the blanking interception assembly is used for blanking and stopping crushed feed, and the locking part is used for limiting the blocking part, so that compared with direct blanking after the feed is crushed by the processing unit, the blanking interception assembly is simple in structure and convenient to use. According to the design, smashed and splashed feed can be conveniently received through the blocking part, kinetic energy of the splashed feed is consumed, and it is avoided that follow-up receiving operation is affected by splashing and falling of the feed.

A power hammer of the non-silenced type includes a power cell (100, Figure 6) clamped between opposed, first 11 and second 12 abutment surfaces of a housing 1 by means of an expanding wedge assembly 2

An attachment includes a body, an impact portion defining an impact axis and configured to receive repeated impacts from the powered hammer, and a driving portion including a side load driving portion and a top load driving portion that alternately receive the rod to transmit driving forces from the repeated impacts to the rod. The side load driving portion defines a side load driving axis that is offset from the impact axis. The top load driving portion includes a blind bore and defines a top load driving axis that is coaxial with the impact axis. The top load driving portion includes a sleeve disposed within the blind bore and configured to decrease wear of the blind bore during use.