12results about How to "Lower working height" patented technology

The invention discloses an integral type automatic directional drilling machine suitable for underground directional construction and a control method of the integral type automatic directional drilling machine. The integral type automatic directional drilling machine comprises a walking mechanism, a drilling main machine, a rod loading and unloading mechanical arm, a rod supplementing device, a suspension arm and a power pump station, in the drill rod loading and unloading construction process, the rod loading and unloading mechanical arm can achieve the rod loading and unloading function at different drilling angles, the rod loading and unloading action within the range of 0-90 degrees can be achieved in the mode that linear motion and rotary motion are combined, accurate positioning at multiple angles is achieved in the mode that mechanical limiting and an angle sensor are combined, and the drill rod loading and unloading efficiency and reliability are improved; during rod supplementing operation, the drilling machine has the rod bin capacity meeting the single-shift footage average value in actual construction, single-shift one-time rod supplementing can be achieved, and auxiliary personnel do not need to wait for rod supplementing basically. The drilling machine is suitable for underground coal mine automatic directional drilling machine construction, can achieve integral layout, is compact in structure, is provided with a power system, and does not need to be matched with a special power pump truck for use.

The invention discloses an automatic long drilling tool loading and unloading system of a directional drilling machine and a control method. The automatic long drilling tool loading and unloading system comprises a drilling main machine, a rod loading and unloading mechanical arm and a rod supplementing device. In the drill rod loading and unloading construction process, the rod loading and unloading mechanical arm can achieve the rod loading and unloading function at different drilling angles, the rod loading and unloading action within the range of 0-90 degrees can be achieved in the mode that linear motion and rotary motion are combined, accurate positioning at multiple angles is achieved in the mode that mechanical limiting and an angle sensor are combined, and the drill rod loading and unloading efficiency and reliability are improved; during rod supplementing operation, the drilling machine has the rod bin capacity meeting the single-shift footage average value in actual construction, single-shift one-time rod supplementing can be achieved, and auxiliary personnel do not need to wait for rod supplementing basically. The drilling machine is suitable for underground coal mine automatic directional drilling machine construction, can achieve integral layout, is compact in structure, is provided with a power system, and does not need to be matched with a special power pump truck for use.

The utility model relates to the field of sealable containers, and discloses a cover opening device which comprises a lever, a branch rotating shaft and a pull rod, the branch rotating shaft and the pull rod are hinged to the lever, and the lever comprises a front end used for being hinged to a cover body, a middle end hinged to the branch rotating shaft and a rear end hinged to the pull rod. A first bearing seat and a second bearing seat are rotationally arranged on the branch rotating shaft in a sleeving manner, and the first bearing seat and the second bearing seat are fixedly connected with the tank body respectively; the device further comprises a connecting block and an operating rod, the connecting block comprises a first end hinged to the branch rotating shaft, a second end fixedly connected with the operating rod and a third end hinged to the end of the pull rod, and a hinged shaft is perpendicular to the branch rotating shaft. Through the arrangement of the branch rotating shaft and the lever and the connection block hinged between the branch rotating shaft and the lever, vertical lifting and horizontal movement of the cover body by the front end of the lever can be realized.

The utility model relates to a porcelain column circuit breaker opening and closing position debugging tool which comprises a tool cylinder installed on an operating mechanism, the upper end of the tool cylinder is connected with an arc extinguish chamber, a tool connecting rod is installed in the tool cylinder and extends in the vertical direction, the length of the tool connecting rod is larger than that of the tool cylinder, and the tool cylinder is connected with the tool connecting rod. The upper end of the tool connecting rod is connected with an arc extinguish chamber transmission part, the lower end of the tool connecting rod is connected with an output shaft of the operating mechanism, a gasket is installed on the output shaft of the operating mechanism, the upper end face of the gasket is connected with the tool connecting rod, and the height difference between the tool connecting rod and the tool cylinder is equal to the height difference between the supporting column and the pull rod. The upper end and the lower end of the tool cylinder are respectively provided with a connecting flange, the upper end of the tool cylinder is connected with the arc extinguish chamber through the connecting flange, the lower end of the tool cylinder is connected with the operating mechanism through the connecting flange, and the high-altitude operation problem can be solved on the premise of ensuring the opening and closing positions, and the convenience and the safety of installation are improved.

The utility model provides a secondary transfer type low height requirement lift structure, lift structure includes driving lift structure, driven lift structure, coupling body and safety tongs, the driving lift structure has driving lift end and is connected with trigger device, driving lift structure is connected with driven lift structure through coupling body, and the safety tongs is connected with the driven lift structure through the coupling body. The driving lifting structure is connected with the driven lifting structure and drives the driven lifting structure to swing synchronously, the driven lifting structure is connected with the safety tongs, and the driving lifting structure, the driven lifting structure and the connecting body are all fixedly installed on the car bottom bracket and do not exceed the height range of the car bottom bracket. The lifting structure is a two-stage transmission structure, the height of the whole lifting working structure does not exceed the height of the car bottom bracket, interference of the structure can be effectively avoided, the working stability of the structure is good, and the lifting structure is suitable for being used in an elevator structure with the high space requirement.

The utility model belongs to the technical field of carrying equipment, and provides a forward-moving forklift type AGV which comprises an AGV body and a goods forking device arranged on the AGV body, a mounting groove is formed in the AGV body in the length direction of the AGV body, and the mounting groove is in a U shape and penetrates through the AGV body from top to bottom; the goods forking device comprises a moving frame which is movably arranged at the mounting groove so that the moving frame can do reciprocating rectilinear motion in the X-axis direction; the first driving assembly is arranged on the AGV main body, and the first driving assembly is in transmission connection with the moving frame; the first end of the pallet fork assembly is connected with the moving frame, the second end of the pallet fork assembly extends in the X-axis direction, and the pallet fork assembly can do reciprocating rectilinear motion in the Z-axis direction; and the second driving assembly is arranged on the moving frame, and the second driving assembly is in transmission connection with the pallet fork assembly. The forward-moving forklift type AGV is simple in structure, the installation position of the pallet fork assembly is lower, position operation can be carried out, and universality is better.

The utility model discloses a grabbing and clamping installation device for a blowout prevention pipe, which comprises a fixing support provided with a pulley block and a grabbing and clamping fixing mechanism used for grabbing and fixing the blowout prevention pipe. Due to the fact that the grabbing and clamping fixing mechanism capable of fixedly grabbing the blowout prevention pipe is arranged on the fixing support, the blowout prevention pipe needing to be installed can be kept vertical and stable while the blowout prevention pipe is fixed, follow-up alignment is facilitated, work efficiency is improved, and in addition, due to the fact that the device is installed at the top end of a suspension arm, under the same bridge shooting operation construction working condition, the blowout prevention pipe needs to be installed. The working height of the crane can be reduced by more than 15 meters, and the tonnage level of the crane can be reduced, so that the operation cost is saved.

The invention discloses a freight transport system of an unmanned aerial vehicle and a loading method. The freight transport system comprises a loading mechanism, a side guide device, a mechanical two-way lock, a rolling rod conveying device and a forward limiting mechanism which are all mounted on a floor in a cabin of the unmanned aerial vehicle. The loading mechanism is located at the rear end in the unmanned aerial vehicle cabin. An angle adjusting mechanism is arranged at the rear end of the loading mechanism. The side guiding devices are located on the left side and the right side of a floor in an unmanned aerial vehicle cabin correspondingly and are parallel to the axis of the unmanned aerial vehicle cabin, and the distance between the two side guiding devices is the same as the width of a pallet. At least one mechanical two-way lock is arranged on each of the two sides of a floor in the unmanned aerial vehicle cabin, the mechanical two-way locks are located on the inner sides of the side guiding devices, and the rolling rod conveying devices are located between the two mechanical two-way locks in two rows; the forward limiting mechanism is located in the unmanned aerial vehicle cabin in the direction close to the head. The cargo loading and unloading efficiency is improved, and the limiting precision and reliability of cargoes on the unmanned aerial vehicle are greatly improved.

The present invention provides a device and method for removing pipe piles from a cofferdam of a lake crossing project, which belongs to the technical field of pile pipe removal in earthwork engineering, and is used to solve the problem of how to pull out pipe piles after the cofferdam construction is completed in the prior art. The device includes a carrier, a loosening and twisting mechanism, and a pulling-out mechanism, wherein the carrier floats on the water surface; the loosening and twisting mechanism includes a loosening and twisting shell, a tightening ring, and a loosening and twisting cylinder, wherein the loosening and twisting shell is connected to the edge of the carrier through a lifting structure, the tightening ring is rotatably arranged in the loosening and twisting shell, and the two ends of the loosening and twisting cylinder are respectively hinged to the inner wall of the loosening and twisting shell and the outer wall of the tightening ring, and the loosening and twisting cylinder drives the tightening ring to twist back and forth when reciprocating and telescoping, and the inner side of the tightening ring loosens and tightens the pipe piles; the pulling-out mechanism includes a pulling-out shell and a pulling-out cylinder, wherein the shell of the pulling-out cylinder is fixedly connected to the loosening and twisting shell, and the pulling-out shell is arranged on the telescopic shaft of the pulling-out cylinder, and the inner side of the pulling-out shell loosens and tightens the pipe piles. The device combined with the method makes the construction process simple and quick, and provides convenience and flexibility for the removal of pipe piles in cofferdam projects.

The present invention discloses an ultra-large load-bearing movable lift, comprising a bottom support platform arranged at the bottom, the bottom support platform is connected to a multi-section guide rail mechanism through a lifting adjustment mechanism, and the lifting height of the multi-section guide rail mechanism is adjusted through the lifting adjustment mechanism 4; a cantilever beam for carrying goods is arranged at the front of the multi-section guide rail mechanism, and the multi-section guide rail mechanism adjusts the actual elongation effect length of the cantilever beam. The present invention also discloses a control method for an ultra-large load-bearing movable lift. Compared with the prior art, the technical solution of the present invention has the advantages of convenient operation, flexible operation, safety and reliability, etc., and can effectively optimize the structure of the lifting device, reduce its overall volume and improve operational flexibility.

The utility model discloses a tobacco hanging rack convenient to assemble and move, and relates to the field of tobacco hanging racks, the tobacco hanging rack comprises a fixing rack, an upper-layer hanging frame, a lower-layer hanging frame and a bottom frame are sequentially arranged on the inner wall of the fixing rack from top to bottom, angle steel is installed at the top and the bottom of the fixing rack, and the upper-layer hanging frame, the lower-layer hanging frame and the bottom frame are installed on the fixing rack. The positioning steel bars on the bottom frame can be used in cooperation with a forklift, the two fixing frames are installed on the top of the lower-layer fixing frame through the forklift, the two tobacco hanging frames can be placed in an overlapped mode, the number of one-time baking is increased, in the non-baking season, all the tobacco hanging frames can be removed, a baking room is changed into a warehouse, and the tobacco hanging frames are changed into airing frames. The space is fully utilized, the tobacco loading quality can be checked without dead angles before the tobacco is loaded into a furnace, and the situation of hanging problems can be easily corrected, so that the quality of flue-cured tobacco leaves is improved.

The utility model relates to the technical field of drilling machine top drive structures, and provides a wash pipe assembly which comprises a wash pipe. The main shaft is provided with a mounting hole, and one end of the washing pipe is arranged in the mounting hole; and the elbow is arranged at the other end of the washing pipe in a sleeving manner. By means of the technical scheme, the problem that in the prior art, a washing pipe structure greatly affects the overall height, and consequently a drilling machine is not convenient to use in a specific environment is solved.