17results about How to "Improve demolition efficiency" patented technology

The utility model provides an industrial personal computer convenient to disassemble and repair, which belongs to the technical field of industrial personal computers and comprises a base, a bearing plate is fixedly connected in the base, a machine body is arranged on the upper end face of the bearing plate, a limiting mechanism used for limiting the machine body is arranged on the base, and the machine body is rotatably connected with a cover plate through a hinge. A mounting box is fixedly connected to the right end of the upper end face of the cover plate through screws, two pressing blocks are symmetrically and slidably connected into the mounting box, clamping plates are fixedly connected to the lower end faces of the inner ends of the two pressing blocks, and a guide column is slidably connected between the two clamping plates. Through the arrangement of the base, the bearing plate and the limiting mechanism, the industrial personal computer can be rapidly disassembled and assembled, screws do not need to be frequently disassembled and assembled, disassembly and assembly are convenient and rapid, the industrial personal computer can be conveniently and rapidly disassembled and repaired, the disassembly and repair efficiency is improved, and the problem that in the prior art, the screws need to be frequently disassembled and assembled for disassembling and repairing the industrial personal computer, and consequently disassembly and repair are inconvenient is solved.

A box girder segmented foldable shrink core mold, which comprises segmented core molds, stacked rod longitudinal connecting steel wires and core mold longitudinal connecting bolts; the adjacent edges of the segmented core molds are connected by the core mold longitudinal connecting bolts to form a whole; a stacked rod longitudinal connecting steel wire is connected between the adjacent segmented core molds. The box girder segmented foldable shrink core mold has the following beneficial effects: the box girder folding inner mold can be stably folded and unfolded, and can be stably separated from the concrete, and the operation is convenient, so that the dismounting efficiency and construction safety of the box girder core mold can be improved.

The utility model discloses a fire rescue forcible entry tool which comprises a fixed crowbar, a flat hoe is fixedly connected to the bottom of the fixed crowbar, a pointed-end crowbar is fixedly connected to the position, perpendicular to a flat crow plate, of the top of the fixed crowbar, a movable sleeve is slidably connected to the outer surface of the fixed crowbar, and fixing rings are fixedly connected to the two ends of the movable sleeve. The side, close to the flat crow plate, of the fixed ring is fixedly connected with a movable ring. A fixing frame is fixedly connected to the outer surface of the side, close to the pointed-end pinch bar, of the moving ring, a rotating rod is rotationally connected to the inner wall of the fixing frame, a connecting rope is fixedly connected to the outer surface of the rotating rod, and a protective sleeve is fixedly connected to the end, away from the rotating rod, of the connecting rope. According to the fire rescue forcible entry tool, the position of the movable sleeve can be moved, so that a user can confirm the optimal acting point according to the actual situation, the force distribution is more uniform when the user forcibly exits, bending of a crowbar in the forcible entry process is prevented, meanwhile, the force can be saved, and the forcible entry efficiency is improved.

The utility model discloses a cold anchor changing device for railway engineering, which comprises an anchor changing cutter, a fastening component, a sliding component and a lifting component, the fastening component is of an inverted U-shaped structure, the sliding component is mounted on the outer side wall of the vertical end of the fastening component along the vertical direction, and the lifting component is mounted on the outer side wall of the vertical end of the fastening component. The lifting assembly is installed on the side, away from the fastening assembly, of the sliding assembly so that the lifting assembly can synchronously move up and down along with the sliding assembly conveniently, the lifting assembly comprises a driving part and a clamping part, the output end of the driving part downwards penetrates through the sliding assembly and then is connected with the clamping part, and the inner wall of the clamping part is matched with the top of the anchor changing cutter in shape so that the anchor changing cutter can be clamped conveniently. The driving part and the clamping part are driven by the sliding plate to move up and down along the sliding rail, the anchor changing cutter is meshed with the plastic sleeve, and after the clamping part and the top of the anchor changing cutter are clamped, the driving part drives the clamping part to rotate, and the clamping part drives the anchor changing cutter and the plastic sleeve to rotate synchronously, so that the anchor changing cutter and the plastic sleeve are screwed out of the placing cavity. The dismantling efficiency of the plastic sleeve is improved, and the labor cost is reduced.

The utility model discloses a quick erection and disassembly type protection frame for power line crossing construction, including base, first adjusting assembly and second adjusting assembly, first adjusting assembly includes adjusting part no.

The invention discloses a decommissioned photovoltaic junction box dismantling device, and relates to the technical field of photovoltaic module recycling, the decommissioned photovoltaic junction box dismantling device comprises a frame, a conveying mechanism is fixedly arranged at the top of the frame, a first air cylinder is fixedly arranged at the top of the frame, the first air cylinder is located right above the conveying mechanism, and a movable frame is fixedly connected to the outer side of the output end of the first air cylinder; a second air cylinder is fixedly arranged at the top of the movable frame, a connecting frame is fixedly installed at the bottom of the output end of the second air cylinder, limiting rods are fixedly arranged on the two sides of the top of the connecting frame, the tops of the limiting rods slidably extend to the outer side of the movable frame, and a driving motor is fixedly arranged on the outer side of the connecting frame; the output end of the driving motor is in driving connection with a lead screw, and the outer surface of the lead screw is sleeved with a movable rod in a threaded mode. The invention effectively solves the problems of low efficiency, easy damage of parts, waste of resources and incapability of classified collection in the existing dismantling mode, and is suitable for recycling and dismantling operation of the junction box of the retired photovoltaic module.

The utility model relates to an injection mold assembly and an injection molding machine, and relates to the technical field of injection molding. The injection mold assembly comprises a first mold and a second mold, and the first mold and the second mold can move relatively so that a mold cavity can be defined when the first mold and the second mold are attached to each other; the forming part is provided with a forming part for forming a product structure; and the transmission assembly is connected with the forming piece, and the transmission assembly is configured to drive the forming piece to do spiral motion relative to the first mold when the first mold and the second mold move relatively, so that the forming part extends into the mold cavity when the first mold and the second mold are attached, and the forming part extends into the mold cavity when the first mold and the second mold are separated. And the forming part is screwed out of the product. And when the mold is separated, the transmission mechanism drives the forming part to spirally move, so that the product is smoothly separated from the forming part. And compared with manual screwing of the product, the dismounting efficiency and safety of the product are improved.

This utility model discloses an adjustable river engineering physical model, belonging to the technical field of river engineering physical model technology. It includes: multiple columns with connecting mechanisms on each column; placement grooves on the columns, with a slidable support seat within each groove, and support rods detachably connected to the support seat; the tops of the support rods are covered with a surface film; and an adjustment mechanism and a limiting mechanism, both located on the support seat. This solution connects the columns using the connecting mechanisms, limits and fixes the support rods using the limiting mechanisms, and adjusts the height of the support seat and support rods using the adjustment mechanism. This allows each support rod to be positioned at the appropriate height according to the model's needs. Unlike current methods that rely on bricks and cement mortar, this design saves significant time and manpower, shortens the overall construction period, and is highly practical. Furthermore, all columns, support rods, and components in this solution are reusable, reducing waste, saving materials, and lowering costs.

The utility model discloses a tower crane attachment device for a super high-rise building without dismounting a hanging basket, which comprises a back plate, a panel, an attachment lug plate, a screw rod and a screw cap, a bolt sleeve penetrating through a wall is pre-embedded during the construction of a main body structure, the panel and the back plate are connected with a building wall body through bolts, the attachment lug plate is welded on the panel, and the screw rod is welded on the back plate. The attaching lug plate is used for being connected with an attaching rod of a tower crane, the nut is fixed to the panel, a penetrating hole is formed in the panel, and the screw penetrates through the nut and the penetrating hole and then is connected with a bolt sleeve in a wall. When the tower crane is used for dismantling, the attachment device is synchronously dismantled, the nut and the back plate are dismantled in the floor, and the attachment rod of the tower crane and the attachment device are hoisted to the ground together by the tower crane and then dismantled, so that by means of the tower crane attachment device, the dismantling work can be completed in the floor, the dismantling efficiency is improved, and the high-altitude operation risk existing in the dismantling work is reduced; meanwhile, when the tower crane attachment device is dismantled, a hanging basket does not need to be additionally erected to serve as a dismantling operation tool, and the cost for leasing and installing the hanging basket is saved.

The utility model discloses a technical scheme is a kind of oil control valve head filter screen subassembly's dismantling device, including workbench, fixed seat, first control valve and second control valve are connected on the workbench, oil control valve is installed fixedly by fixed seat, sliding cylinder is connected on the workbench of fixed seat rear side, sliding cylinder is connected to first control valve by air pipe and carries out reversing control, sliding cylinder top is connected with sliding block, the cylinder rod connection of sliding block and sliding cylinder, clamping cylinder is connected in sliding block top, clamping cylinder front side left and right two ends are connected with clamping block respectively, the inside of clamping block is provided with blade, clamping cylinder is connected to second control valve by air pipe and carries out reversing control. The utility model novel structure, it is easy to use, and dismantling efficiency is high, and valve body will not be scratched in dismantling process, safe and reliable.

This invention relates to the field of vibratory coal preparation, and more particularly to a coal preparation device with a vibration function. In existing coal vibratory screening machines, the screens are mostly fixed inside the device using screws and bolts. During vibration, these screws may loosen, causing the screen to loosen. Once the screen loosens, it not only affects the screening effect but may also lead to equipment malfunction. The invention includes an outer shell with self-locking devices on both sides of the rear end. The self-locking devices include two main protective shells symmetrically fixed to the outside of the outer shell. The outer shell has through holes relative to the main protective shells. Two fixing sleeves are symmetrically fixed inside the main protective shells, and sliding columns are slidably connected inside the fixing sleeves. The screening screen pushes a trigger block, causing the support slider to move into the fixing shell, releasing the support of the linkage block. Under the action of a third return spring, the locking column penetrates the screening screen downwards.

The invention discloses a generator bar dismantling auxiliary method. At present, the stator bar of a large-scale generator set is mostly disassembled by finding a supporting point on site, prizing the upper end and the lower end of the bar by using a crowbar, and pulling out the bar. The method comprises the following steps that the device is lifted and placed in a generator chamber, then one person holds an operation shaft in an operation box by hand, the operation shaft rotates, a worm sleeve on the operation shaft is meshed with a worm gear, rotating rod frames of the operation shaft rotate, the two rotating rod frames synchronously and reversely rotate, and the position of a cushion frame can be adjusted; adjusting to enable the cushion frame to abut against the stator iron core, and enabling the tail transverse cushion plate to abut against the stator iron core at a position opposite to a generator chamber; after installation is completed, the winding bar is bound through the binding band, then the winding bar can be pulled out by pulling the binding band through the hook of the chain block, the efficiency of disassembling the winding bar is improved, and meanwhile the generator stator iron core is prevented from being damaged. The device is used for dismounting the generator winding bar.

The utility model is suitable for the field of ground anchor dismantling, provides a ground anchor dismantling device for smart grid, including support piece, adjusting part, clamping piece and jacks, the support piece includes support cylinder, the adjusting part includes operating lever, operating lever rotation is connected in support cylinder, operating lever outer thread has first threaded cylinder, the bottom of first threaded cylinder is connected with movable plate, the lower surface of movable plate is connected with fixed support, in the utility model, convenient and efficient, through the rotation operating block, can easily drive the clamp sleeve of bolt type expansion ground anchor to carry out quick clamping and fixing, compared with traditional manual fixing mode, greatly shorten the preparation time, rotation operating lever can realize the steady pull -out of ground anchor sleeve, need not many people cooperation and complex operation, significantly improve the dismantling efficiency, reduce the manpower.

This invention discloses an attachment and construction method for a suspension frame, including a suspension frame and a wall-mounting device. The side of the suspension frame closest to the building wall is fixed to the building via the wall-mounting device. The wall-mounting device serves as the main load-bearing structure, and multiple wall-mounting devices are used to fix the suspension frame to the building, eliminating the need for cantilevered steel beams. It also eliminates the need to drill holes in the exterior wall of the cantilever layer for installing cantilevered steel beams or to pre-embed fasteners for cantilevered steel beams in the main floor, thus improving the efficiency of the suspension frame's connection. It also solves the potential for leakage on the facade caused by later repairs of holes. The suspension frame, from bottom to top, includes a bottom horizontal truss, scaffolding, and a transition layer. When erecting the suspension frame, the transition layer connects to the bottom horizontal truss of the second suspension frame, enabling rapid erection of the second suspension frame. During disassembly, the transition layer is first removed to disconnect the two suspension frames, facilitating the disassembly of the first suspension frame and improving the efficiency of installation and disassembly.

The invention relates to the technical field of underground engineering construction, and discloses a simple and rigid ditch cable channel steel inner mold capable of actively shrinking and demolding and a construction method, and the construction method comprises the following steps: S1, implanting an anti-floating pull rod on a tunnel base surface; s2, the formwork units are integrally placed at a construction position through hoisting equipment; s3, forming a geometric cavity to be poured by the template units; s4, the anti-floating pressing rods abut against the top faces of the formwork units; s5, concrete is poured in a cavity formed by the formwork units and the base plane in a layered mode; and S6, the anti-floating pressing rods are removed to release the vertical constraint stress. Through rigid connection and lead screw nut transmission, the structure is simple, stress is clear, the problems that a complex sliding groove structure is prone to clamping stagnation and damage are solved, working reliability is high, bonding between a formwork and concrete is stripped in advance through active transverse shrinkage of the side wall plates, forced pulling is changed into easy separation, and the demolding efficiency is improved. And the integrity of concrete edges and corners is fundamentally protected.

The utility model discloses a quick release type hub which comprises a hub body. A quick-release mounting mechanism is arranged in the hub body, and oil injection mechanisms for continuous lubrication are arranged at the two ends of the outer side of the mounting mechanism. The mounting mechanism comprises a connecting assembly, a fixing assembly and an adaptive assembly, the connecting assembly is arranged in the hub body, the fixing assembly is arranged in the connecting assembly, and the adaptive assembly is arranged in the connecting assembly; the oil injection mechanism comprises a storage assembly, a filling assembly and an oil discharge assembly, the storage assembly is arranged on the outer side of the connecting assembly, the filling assembly is arranged at the top of the storage assembly, and the oil discharge assembly is arranged at the bottom of the storage assembly. According to the utility model, through the arrangement of the mounting mechanism, the advantage of quick dismounting is realized, the operation is facilitated, the dismounting and mounting efficiency is high, limiting and limiting operation are realized according to the mutual adaptation between the spline and the shaft lever and between the inner shaft and the key slot, and the effect of bolting and fixing can be achieved through the threaded connection between the nut and the shaft lever, so that the fixing operation is completed.