101results about "Crowbars" patented technology

The utility model discloses an anode plate adjusting tool. The anode plate adjusting tool comprises a pinch bar, a connecting rod and a tong head, the connecting rod is of a vertical structure, the ripping bar is fixedly connected to the left side of the top end of the connecting rod, the tong head is fixedly connected to the right side of the bottom end of the connecting rod, and the connecting angle between the tong head and the connecting rod is 80-100 degrees. According to the tool composed of the pinch bar, the connecting rod and the plier head, the lever principle is utilized, the anode plate can be easily pried open, the suspension degree of the anode plate can be adjusted by additionally arranging the flat copper rod after the anode plate is pried open, meanwhile, a missing insulating plate cushion block can be installed, the anode plate can be conveniently adjusted, meanwhile, the anode plate is prevented from being directly beaten, and the working efficiency is improved. Therefore, the physical impact on the anode plate and the electrolytic bath is reduced, and the risk of deformation or damage of the anode plate or the electrolytic bath is effectively prevented; the tool is simple in design and convenient to operate, the adjustment work of the anode plate can be completed by only one person, the labor cost is saved, and meanwhile the working efficiency is improved.

The utility model discloses pipeline transferring and mounting equipment which is characterized in that after a pipeline is horizontally placed, the pipeline is connected with the pipeline through a hoisting piece, and then vertical acting force is applied to a force application piece, so that the force application piece vertically moves downwards relative to a traveling piece, and the hoisting piece is driven to vertically move upwards relative to the traveling piece under the transmission of a main body component; therefore, the pipeline is hoisted by utilizing the lever principle, and the pipeline can be locally adjusted when the pipeline is mounted; after the pipeline is hoisted, the acting force in the horizontal direction is applied to the force application part, under transmission of the main body component, the movable end of the advancing part is driven to rotate, then the pipeline transferring and mounting equipment is moved, and therefore the pipeline can be transferred; according to the scheme, the advancing part, the main body component, the hoisting part and the force application part are cooperatively matched, so that hoisting and transferring of the pipeline are achieved, the device is suitable for small-range transferring and mounting of small-diameter pipelines, the construction efficiency of municipal pipeline engineering is further improved, practicability is high, and the device is suitable for wide application and popularization.

A handheld electric jack includes a motorized screw drive mechanism housed within a cylindrical tool body, an actuating platform configured for linear motion, and a detachable control module operable in both docked and remote modes. The control module communicates wirelessly with the tool body and includes user interface elements for initiating lifting or lowering operations. The tool features safety interlocks, including dual-input activation, stall detection, and automatic shutoff. Load sensors and internal controllers enable responsive motor control based on sensor feedback. In some embodiments, multiple jacks wirelessly coordinate to perform synchronized lifting, monitor total load distribution, and respond to failure conditions. The modular platform accepts interchangeable lifting heads, and the system may be configured to operate autonomously or via user commands. This design improves safety, portability, and flexibility in construction, maintenance, and material handling applications.

The utility model discloses an auxiliary pulling device and a support assembly, and the auxiliary pulling device comprises a base; a first lever pivotally connected to the base along a first axis; the second lever is pivotally connected to the base along a second axis and is linked with the first lever; and the unlocking mechanism is movably arranged on the first lever so as to stop or allow the pivoting of the first lever, the unlocking mechanism is provided with a mistaken touch prevention device, and the mistaken touch prevention device is arranged to keep the unlocking mechanism at a position where the pivoting of the first lever is stopped. The pulling assisting device is compact in structure and capable of preventing misoperation.

The utility model provides a telescopic crowbar, including bottom shell, still include the crowbar body of sliding setting in the bottom shell, be used for locking the locking assembly of crowbar body position, the cover of separable connection with bottom shell, be provided with the pusher for driving crowbar body to slide out bottom shell on the cover, the outside of bottom shell is provided with back clamp, the side of bottom shell is provided with slide hole, back clamp is along the vertical bottom shell surface direction and is slidably arranged in the slide hole, the side of cover is provided with guide hole, is provided with the guide rod of being connected with back clamp in guide hole, the outside of guide rod is equipped with spring, the utility model provides a telescopic crowbar, the connecting portion of back clamp is under the action of spring on guide rod and slides in the slide hole, make back clamp's adjustment range be bigger, back clamp is more stable and reliable when clamping the clamping object of different thickness, avoided back clamp to come off the clamping object, back clamp is more small and exquisite when retracting, the use of small crowbar is more time -saving and labor -saving, and the carrying is more safe and reliable.

The utility model belongs to transportation equipment technical field discloses a kind of hoisting transport devices. Hoisting transport device includes support assembly and hoisting assembly, support assembly includes support frame, first connecting piece, wheel shaft and two running wheels, support frame is fixedly connected in wheel shaft, and first connecting piece is fixedly connected in support frame;Hoisting assembly includes hoisting lever, connecting sleeve, fastener, second connecting piece and hoisting piece, hoisting lever can be slidably connected in connecting sleeve, connecting sleeve is provided with fastening thread hole, fastener is arranged in fastening thread hole to fix hoisting lever and connecting sleeve, second connecting piece is fixedly connected in connecting sleeve, and second connecting piece is movably connected with first connecting piece to adjust the distance of hoisting lever to wheel shaft, hoisting piece is configured as connection hoist flange. Hoisting transport device provided by the utility model can quickly transport concrete foundation to specified position, reduce the labor intensity of construction personnel, and improve construction efficiency.

The utility model provides a business line prefabricated cover plate laying trolley device which comprises a wheel set, a main beam, a supporting frame, a sliding lifting ring mechanism and a lifting hook mechanism, the main beam is fixedly arranged on the wheel set through the supporting frame, the sliding lifting ring mechanism comprises a sliding way and at least one lifting ring, and the lifting hook mechanism is arranged on the sliding way. The sliding way is fixedly arranged on the main beam, the extending direction of the sliding way is the same as the length direction of the main beam, the lifting ring is assembled on the sliding way and is in sliding fit with the sliding way, and the lifting hook mechanism is hung on the lifting ring and can lift a prefabricated cover plate. The trolley device has the advantages that the trolley device is small in dead weight and light and convenient to move, the position of the prefabricated cover plate on the main beam can be adjusted through sliding fit of the sliding ways and the hanging rings, time and labor can be saved in the processes of hoisting the prefabricated cover plate, advancing, laying and the like, a plurality of prefabricated cover plates can be transported at the same time, needed labor is small, and construction efficiency is greatly improved.

A floor removal tool comprising a beveled, thin base connected to a long handle, which is used for the removal of materials adhered to a surface, commonly flooring or subflooring. The beveled base is wide to facilitate the efficient removal of large amounts of material when the ergonomic handle is pushed or pulled to leverage the adhered material up. The beveled base is also connected to a second vertical plate that has a fulcrum sill. When a suitably sized block is placed under the sill, the pivot point is raised such that there is a decreased chance of damaging the surface. The base can be easily struck by a man-powered tool or it can be connected to an air-powered tool to facilitate tool insertion under the material to be removed.

The invention discloses a dual-purpose tool for a rail escape crowbar and an emergency rescue anchor rod, belongs to the technical field of mine rescue tools, and aims at solving the problem that the rescue efficiency is reduced due to the fact that a mine rescue tool is single in function and inconvenient to carry. A crowbar mechanism is arranged in the plug-in mounting mechanism at the top position, and an anchor rod mechanism is arranged in the plug-in mounting mechanism at the bottom position; the plug-in mounting mechanisms on the upper portion and the lower portion of the mounting seat are connected with the crowbar mechanism and the anchor rod mechanism correspondingly, so that one tool is dual-purpose, the crowbar mechanism can be used for prying and escaping operation of rail components, the anchor rod mechanism can be used for emergency anchoring and supporting operation, multiple sets of tools do not need to be carried, the equipment load of rescue workers is remarkably reduced, and the rescue efficiency is improved. And the operation requirements under limited space or emergency conditions are met.

Lowering mechanism for a hand held jacking tool comprising a jacking frame, a jacking shaft and a caulking gun jacking mechanism. The lowering mechanism comprises a lowering plate on top a the holding plate, a pushing lever connected with a hinge attachment to the lowering plate at a rear end, wherein a pushing lever is pivoting around a pivot structure connected to the lever or holding plate a distance backward from the hinge attachment, causing the lowering plate to grip the jacking shaft when the lever is pushed downwards and then, in turn, pushing the holding plate downwards and loosening it from the jacking shaft and moving it down along the jacking shaft a distance determined by the pivoting action of the lever. The lowering plate is held in place by a spring biasing the lowering plate towards the holding plate.

A prying tool includes a main body, a wheel frame and a wheel assembly. The main body is provided with a prying portion, a connecting portion, and a supporting portion curvedly formed between the prying portion and the connecting portion. The wheel frame is detachably connected to the connecting portion. The wheel assembly includes a first wheel rotatably mounted to the wheel frame. Therefore, the prying tool can carry an object by the wheel assembly after prying the object.

The utility model belongs to the field of well lid tools, specifically discloses a special crowbar for anti -theft integrated well, including the stick body, upper folding leaf and transmission rod, the inside movable mounting of stick body has transmission rod, and the one side fixed connection of transmission rod has the protection ring, one side movable mounting of stick body has the lower folding leaf, and the bottom of lower folding leaf is provided with the lower pivot, and the top movable mounting of lower folding leaf has upper folding leaf, and the folding hinge is arranged between upper folding leaf and lower folding leaf, and the upper pivot is arranged between upper folding leaf and transmission rod, and upper folding leaf and lower folding leaf are half circular ring type, and the outside wall of upper folding leaf and lower folding leaf all is provided with antiskid boss, the utility model discloses through the upper pivot and the folding hinge misplacement setting V type clamping well lid opening, and the movable block and antiskid boss enhance friction, and the lever effect stabilizes and opens well lid and prevents skidding, and when receiving, the folding leaf inlays the stick body, and the protection ring closes the notched, prevents the impurity from entering the inside of stick body and leads to structure jam, and guarantees durability and repeated use stability.

This utility model relates to a device for quickly pulling and lifting buried steel pipes. It includes: a base for providing stable support; a vertically mounted upright on the base, with an adjustable height to accommodate buried steel pipes of different lengths; a lever mechanism connected to the upright for transmitting and amplifying the force; a clamp at one end of the lever mechanism for holding the buried steel pipe; and an elastic element on the lever mechanism for providing a restoring force. By operating the lever mechanism, utilizing the lever principle and the friction between the clamp and the surface of the buried steel pipe, the buried steel pipe is pulled out from underground. This utility model is applicable to various projects and sites, is easy to install and operate, can be quickly assembled and installed by a single worker, and has high safety and reliability. It can greatly liberate workers' labor and save physical strength and labor costs.

A removal tool is provided. The removal tool includes a tool body extending in a longitudinal direction having an engagement portion at one end and defining an opening at the other end. The engagement portion includes two prongs and defines a notch portion formed between the prongs at a distal end portion. The notch portion extends in the longitudinal direction and rounded at a proximal end portion, each prong has a cut out portion at the distal end portion horizontally tapered toward the notch portion. The distal end portion has a tapered portion vertically tapered away from the distal end portion.

A transfer device with a tilting function relates to the field of transportation and comprises a support bar, traveling wheels are rotatably arranged at two ends of the support bar, and a crow bar is arranged on the support bar; an inserting plate is fixedly arranged on the crow bar, the inserting plate inclines downwards and extends, and the front edge of the inserting plate is in a sharp cutting edge form. The problem that in the prior art, short-distance transfer of equipment such as forklifts and the like is inconvenient to conduct on a loading road surface is solved, and particularly the problem of transfer of heavy-weight goods without logistics trays is solved; particularly, the equipment is low in manufacturing cost, low in maintenance cost, simple to use and suitable for being popularized and used at small logistics points.

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 provides a screw clearance adjusting device of a double-screw variable-pitch dry vacuum pump, which belongs to the technical field of adjusting tools and comprises a base, a distance adjusting mechanism is arranged on one side of the top of the base and comprises a first side plate, a mounting plate, a first deflection plate, a second deflection plate and a third deflection plate, the first side plate is arranged on one side of the top of the base, the mounting plate is arranged on the side portion of the first side plate, and a connecting plate is arranged at one end of the front portion of the first deflection plate through a movable shaft. By arranging the distance adjusting mechanism, during use, the first side plate can be in compression lap joint with the pump body, when the lever principle is used for prying distance adjustment, applied force can be dispersed in a large area, components of the vacuum pump are protected, and the pump body is prevented from being extruded and damaged by a crowbar in a large area; the pump body and the first side plate can keep a good contact state, and normal work of screws in the double-screw pump cannot be affected by local deformation.

The utility model relates to the technical field of bearing crowbars, and discloses a novel bearing lifting crowbar which comprises a prying connecting seat and a warping plate, a mounting column is arranged at one end of the prying connecting seat, supporting bearings are arranged at the two ends of the outer side of the mounting column, limiting clamp springs are arranged at the two ends of the mounting column, a prying rod is arranged at one end of the prying connecting seat, and sliding grooves are formed in the two ends of the prying rod. An anti-skid mechanism is arranged on the outer side of the prying rod; the anti-skid mechanism comprises a sliding sleeve, the sliding sleeve sleeves the outer side of the prying rod, a grip is arranged on the outer side of the sliding sleeve, adjusting seats are arranged at the upper end and the lower end of the sliding sleeve and sleeve the outer side of the prying rod, mounting seats are arranged at the two ends in the adjusting seats, rolling wheels are arranged in the mounting seats, and limiting assemblies are arranged at the two ends of the outer side of the adjusting seats. According to the anti-skid crowbar, by arranging the anti-skid mechanism, the holding comfort of the crowbar can be improved, sweat on the hand of a worker can be adsorbed through the grip, the worker is prevented from slipping in the prying process, and daily use of the crowbar is facilitated.

The utility model discloses an auxiliary tool for carrying a drill rod in a short distance, which relates to the technical field of carrying tools and comprises a ripping bar and a control rod, the ripping bar and the control rod are both cylindrical, the ripping bar is matched with the control rod, and the ripping bar and the control rod are both made of alloy materials. Connecting assemblies are arranged on the outer walls of the two adjacent sides of the ripping bar and the control rod and matched with the ripping bar and the control rod respectively, and a grip is welded to the outer wall of the control rod. When the tool is used, the grip is held by a hand, the pinch bars penetrate into the two ends of the drill rod, the drill rod can be lifted by holding the grip, the grip facilitates control over the control rod, force exerting is convenient, the drill rod is carried in a more labor-saving mode, friction between the anti-skid sleeve and the anti-skid points at the bottom of the anti-skid sleeve is increased, the anti-skid sleeve protects the palm, and the tool is convenient to use. The pinch bar and the control rod are connected through the threaded rod, and when the pinch bar or the control rod is damaged, the damaged part can be directly replaced.

The utility model relates to the technical field of object carrying crowbars, in particular to a crowbar for moving a steel rail, a supporting frame comprises a top cross rod and two bottom vertical rods, the two bottom vertical rods and the top cross rod form an n shape, two ripping bars are fixedly connected to the opposite side walls of the two bottom vertical rods respectively, a wheel seat is fixedly connected to the bottom face of each bottom vertical rod, and the wheel seats are fixedly connected to the bottom face of each bottom vertical rod. The lower ends of the two bottom vertical rods are prying points, the two prying rods are stably connected with the steel rail or the I-shaped steel, the steel rail or the I-shaped steel can be stably pried, the steel rail or the I-shaped steel cannot slip in the upwarping process, and due to the arrangement of the rotating wheels, the steel rail or the I-shaped steel cannot slip off. The steel rail or I-beam lifting device is stable in structure, convenient to connect, easy to use and stably matched with the steel rail or I-beam for use, the labor intensity of carrying work of the steel rail or I-beam is relieved, operation safety is guaranteed, and work efficiency is improved.

The utility model discloses a manual exploration soil auger convenient for sampling, which relates to the technical field of soil sampling, and comprises a sampling barrel arranged at one end of a sampling bracket, an observation window arranged on the side wall of the sampling barrel, handles horizontally and symmetrically arranged at the other end of the sampling bracket, and a through hole arranged in the sampling bracket, a through hole is formed in the sampling support and penetrates through the whole sampling support, the movable support is slidably mounted in the through hole, a push plate is mounted at the end, close to the sampling barrel, of the movable support and slidably mounted in the sampling barrel, and the lever lifting unit is mounted on the outer side wall of the sampling support and used for assisting in lifting the sampling barrel from soil. And the force required for lifting the sampling barrel is reduced through the lever principle. The problems that in the process that an existing manual sampling soil auger is taken out of soil, a user needs to lift the manual sampling soil auger through the arm strength of the user, the use difficulty is large, and the depth of the manual sampling soil auger inserted into the soil is not easy to control in the sampling process are solved.

The application discloses a component carrying device which can be pried up and jacked up and a carrying method thereof. The carrying device comprises a trolley body, a pry plate fixed to the front end of the trolley body and extending out of the trolley body forward, two jacking assemblies arranged on the two sides of the trolley body, and a propelling assembly which can simultaneously drive the two jacking assemblies to move back and forth between the trolley body and the front end of the pry plate under the action of external force. The jacking assembly comprises a jacking frame connected with the propelling assembly and a lifting plate vertically movably connected with the jacking frame. The lifting plates of the two jacking assemblies extend relatively inward to the pry plate. The construction efficiency is improved by the carrying device.

The utility model belongs to the technical field of petroleum refining and chemical equipment, and particularly relates to a manual micro-gap flange separator. The crowbar comprises a first crowbar body, a second crowbar body, a third crowbar body, a connecting piece, a fixing plate and a pushing mechanism. The first crowbar, the second crowbar and the third crowbar are arranged in parallel; one end of the first crowbar and one end of the second crowbar are fixedly connected to the two ends of the connecting piece. One end of the third crowbar is rotatably connected to the connecting piece and is arranged between the first crowbar and the second crowbar; the fixing plate is arranged on one side of the first crowbar, the second crowbar and the third crowbar and fixedly connected with the first crowbar and the second crowbar. The pushing mechanism is vertically and rotatably connected to the plate face of the fixing plate, and the bottom end of the pushing mechanism penetrates through the fixing plate and then makes contact with the third crowbar. The utility model has the advantages of compact structure, small volume, light weight, simple operation and flexible operation; the device is suitable for separation operation requirements of most micro-gap flanges, and the efficiency, quality and safety of related maintenance operation of the flanges are remarkably improved.

The utility model discloses equipment for hoisting curbs, and relates to the technical field of road engineering. Comprising a frame, and wheels are arranged on the two sides of the frame; the top frame is arranged at the top of the frame; the hanging beam is transversely arranged above the top frame, the middle position of the hanging beam is rotatably connected with the top of the top frame, and a cross beam is arranged at one end of the hanging beam; and the two clamping mechanisms are of the same structure, are symmetrically distributed and suspended at the two ends of the cross beam, and are used for being clamped on the curb for hoisting during ascending for hoisting. According to the utility model, the clamping mechanism is used for clamping the curb, and before the clamping mechanism clamps and lifts the curb, the clamping mechanism can firstly clamp the curb in advance and then lift the curb, so that the clamping mechanism is prevented from sliding on the curb or the sliding distance is prevented from being too large in the lifting process, and the curb is stably clamped and lifted; and the use safety of the device is improved.

The utility model provides a device for dismounting and assembling filter disc of rotary table filter, and its technical scheme is: including filter disc, the slope face butt joint of filter disc and conveying slope, and the filter disc is placed with hoisting mechanism and correction mechanism, correction mechanism includes pressure rod and support, the utility model has the advantages of: (1) simplifying filter disc dismounting operation, reducing labour intensity, (2) improving filter disc transfer security, avoiding equipment and personnel damage, (3) optimizing filter disc installation correction, guaranteeing assembly quality, (4) enhancing device versatility and practicality.

The utility model relates to the field of municipal engineering, in particular to a lever type municipal well lid quick opening device which comprises a first connecting rod, a second connecting rod is rotatably connected to the upper side of the left portion of the first connecting rod, and first connecting pieces are rotatably connected between the front side and the rear side of the first connecting rod and the front side and the rear side of the second connecting rod. Second connecting pieces are rotationally connected between the front sides and the rear sides of the second connecting rods and the first connecting rods, the first connecting pieces are located on the outer sides of the adjacent second connecting pieces, third connecting rods which are symmetrical in the front-back direction are rotationally connected to the upper right sides of the first connecting rods, and supporting pieces are rotationally connected to the lower sides of the left sides of the first connecting rods. A connecting frame is connected to the middle lower side of the connecting rod. Impact loads are effectively absorbed through the design of the buffering piece and the double dampers, personnel injury caused by overexertion is avoided, the first limiting piece and the second limiting piece interact, the maximum opening angle of the second connecting rod is limited, risks caused by excessive opening are prevented, and operation safety is guaranteed.

The invention discloses a portable lifter for an overhead ground wire and a lifting method, and relates to the technical field of power transmission line construction and operation maintenance, the portable lifter comprises an operation assembly, a fixing assembly and a lifting assembly, the operation assembly is characterized in that a first operation rod is connected with a fixing base through a fixing fulcrum, and the lower end of the first operation rod is provided with a hanging ring; the second operating rod controls the three groups of connecting rods through locking nuts; the fixing assembly is welded to the top end of the telegraph pole through a fixing base, inverted-L-shaped left and right hooks are arranged on the two sides of the base, and a pole hoop is fixed to the middle of the telegraph pole. A height adjusting connecting rod is hinged to the top of the first operating rod and provided with uniform height holes, and a hook is fixed to the lower portion of the connecting rod through a bolt; ratchet wheel strainers are arranged in the first connecting rod, the second connecting rod and the third connecting rod respectively, and a fixed base-hoop-operating rod triangular stable structure is formed; the inverted L-shaped hook rod provides multidirectional hanging points and is matched with the height hole to realize accurate positioning of the hook; an operator can rapidly complete ground wire lifting, and the risk of high-altitude shoulder-carrying operation is eliminated.

A hand tool with an interchangeable tool head comprising a lever and one or more tool heads that are removably engageable with the lever. The lever includes a slot that is configured to receive the insertion end of a tool head. The tool heads comprise hook arms that are elastically deformable. The tool heads are equipped with flanges that abut circumferential edges of the slot. The lever and tool heads are further equipped with support rods that fit into a support slot.

The utility model relates to a crowbar with an extensible reinforced structure, which belongs to the technical field of crowbars and comprises at least one section of crowbar rod, two adjacent crowbar rods are directly connected, two ends of each crowbar rod are respectively provided with an inner threaded hole, a connector is arranged between the two adjacent crowbar rods, and the inner threaded holes are communicated with the connectors. The connecting joint adopts a threaded joint or a quick-change structure joint to lengthen and fix the crowbar rod; or the indirect structure extends, and at least one section of extension rod is arranged at the rear end of the crowbar rod. The crowbar rod is of a hollow pipe structure, a plurality of reinforcing ribs which are annularly and vertically distributed are arranged on the inner wall or the outer circle of the crowbar rod, and a crowbar head is arranged at the front end of the crowbar rod. The device has the characteristics of simple structure, convenience in use and good connection stability. The scalability of the crowbar structure is achieved, and when the space is limited and needs to be shortened, a single-section structure is adopted. When the force lever needs to be used, a multi-section structure is adopted for extension, and meanwhile the connection strength of the lengthened crowbar is guaranteed.