164results about "Crowbars" patented technology

A trim and clip extractor tool includes a handle with a storage compartment and an extractor blade with a channel formed between prongs. The extractor blade is stored in the compartment when not in use.

A device for lifting a wheel and rolling the wheel on a surface includes an elongated rigid plate having a top side, a bottom side, a peripheral edge, a pedal portion at a rear end of the rigid plate, and a wheel portion at a forward end of the rigid plate. A ground roller is fixed with the bottom side of the rigid plate and at least two wheel rollers are fixed with a top side of the wheel portion. In use, with the wheel resting on the wheel rollers, the pedal portion may be pressed downwardly to pivot the rigid plate about the roller to lift the wheel. The lifting device is then rolled on the surface to place the wheel at a desired position, and rotated until obtaining a desired rotational orientation.

An adjustable hand tool includes a rod, a tool head, and a pivoting device. The tool head is pivotally connected to the rod. The pivoting device includes an engaging member and an axial member. The engaging member is movably inserted through the tool head and the rod. The engaging member is provided with an engaging portion detachably engaged with an engaging hole of the tool head, and a limiting portion corresponding to a limiting hole of the rod. The axial member is movably inserted through the tool head, and the axial member is fixedly connected to the engaging member to drive the engaging member, allowing the engaging portion to disengage from the engaging hole.

A pry bar assembly includes a plate that is elongated and has a first end, a second end, a first lateral edge, a second lateral edge, an upper surface and a lower surface. The plate includes a claw section, a chisel section and a middle section positioned therebetween. The claw section includes the first end and a rounded heel. The claw section includes a first portion and a second portion. The first portion is attached to the middle section and curves upwardly and away from the middle section in a semi-cylindrical shape to form the rounded heel. The second portion extends downwardly from the first portion. The chisel section is angled upwardly from the middle section. The upper surface has an elongated crest therein that is spaced from the first and second lateral edges and extends along a length of the middle section and into the chisel section.

The utility model discloses an automobile body lifting device which comprises a transmission rod, one end of the transmission rod is fixedly connected with a grip, a containing groove is formed in the center of the transmission rod, a limiting groove is formed in the top end of the containing groove, a guide groove is formed in one side of the top end of the containing groove, and round grooves are formed in the two sides of the tail end of the guide groove. When the automobile lifting mark reinforcing device is used, the groove of the first pressure-bearing block corresponds to the automobile lifting mark reinforcing position at the bottom end of an automobile, one corner of an automobile body can be lifted by pressing the transmission rod downwards, the adjusting button slides along the guide groove, and the automobile lifting mark reinforcing position can be adjusted. The transmission rod, the circular shaft and the second supporting rod can form a cross-shaped structure, the vehicle body can be stably supported, the overall operation is rapid and convenient, the stability is good, and the use is convenient.

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.

The utility model discloses a portable lever type well lid opening device, and relates to the technical field of municipal pipeline detection. The support (1) is used for being supported on one side of a well lid, the lever (2) is hinged to the support (1), the sliding groove (3) is formed in the lever (2), the pull rod (5) is limited in the sliding groove (3) in a sliding mode and can be locked in one position of the sliding groove (3), and the clamping hook is arranged at the end of the pull rod (5) and used for being connected with the well lid in a clamping mode when the pull rod (5) stretches into an opening hole. The portable lever type well lid opening device well solves the problem that part of old reinforced concrete well lids and composite material well lids cannot be opened due to repeated rolling and non-regular maintenance in the long-time use process, and the well lids can be conveniently opened in municipal pipe network troubleshooting and overhauling work; the construction cost is effectively saved, and the operation is simple and convenient.

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 utility model discloses a lever structure for automobile repair, which relates to the technical field of lever structures for automobile repair and comprises an assembly seat, a shaft lever is rotatably mounted above the inner side of the assembly seat, a prying plate is fixedly arranged on the left side of the surface of the shaft lever, a force application rod is fixedly mounted on the right side of the surface of the shaft lever, and the length of the force application rod is larger than that of the prying plate. And a positioning mechanism is arranged on the front side of the assembling seat. Compared with an existing common lever structure for automobile repair, the lever structure for automobile repair has the advantages that the shaft lever can drive the ratchet wheel to rotate during rotation, the stop lever can be pushed to move downwards by the aid of the inclined planes of the convex teeth of the ratchet wheel, and after the lever is prized to the required height, the stop lever is inserted between the convex teeth of the ratchet wheel by the aid of the tension spring to limit the ratchet wheel, so that the shaft lever cannot rotate; the lifting position of the prying plate can be automatically fixed without manual continuous force application, the hands of workers are liberated, the automobile spring cushion can be replaced more conveniently, and the automobile repair work efficiency is improved in a disguised mode.

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.

The present lever tool (1) is suitable for the stripping of boards (T) nailed to beams (V), and comprises two longitudinal arms (11) arranged symmetrically with respect to a median plane and articulatedly joined by one of its longitudinal ends, its other longitudinal ends comprising two heads (12) whose adjacent faces have fulcrum elements (13) provided with a pushing segment (131) and a support segment (132), where the pushing segment (131) and / or the support segment (132) define a lever resistance arm by means of a portion (1311) projected perpendicular to the longitudinal direction of the longitudinal arms (11) and parallel to said median plane.

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 discloses a prying head with an adjustable acting force point, which comprises a tip part, the tip part is connected to one end of a head part, one end of the tip part is positioned inside the head part, the tip part and the head part are fixed by utilizing a fixing screw, one end of the head part is connected to the inside of a support body part, one end of the head part is connected with a handle part, and the handle part is connected with the tip part. A supporting mechanism is arranged on the outer surface of the supporting body part, the supporting mechanism is arranged to be of a height-adjustable structure with two supporting points, a worker installs a shaft assembly on a shaft and installs a locking gasket and a round nut, so that a claw piece of the locking gasket is aligned with a groove of the round nut, and then the locking gasket and the round nut are clamped. The head of the prying head is plugged into the gear box, the tip is attached to the locking gasket, then the adjusting screw is adjusted, the prying head tilts and bends the claw piece of the locking gasket by 90 degrees with the adjusting screw as a fulcrum, and workers can bend the locking gasket conveniently when assembling is conducted in a narrow space.

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.

The invention relates to the technical field of building construction transportation devices, in particular to a novel simple indoor carrying tool and a using method thereof.The novel simple indoor carrying tool comprises two vertical rods, a transverse rod is rotationally connected between the middles of the two vertical rods through a connecting piece, a hanging basket is hung below the transverse rod, the hanging basket comprises a bottom frame and a hanging ring, and the hanging ring is fixedly connected to the transverse rod in a sleeving mode. The tool adopts the lever carrying principle, has the advantages of being small in dead weight, convenient to use, low in cost, high in turnover rate, capable of greatly reducing manpower and the like, is suitable for the stair climbing transportation process, has the advantage of carrying 1.5 times of materials manually at a time, and effectively solves the problems that the manual material carrying process consumes physical strength, is low in speed, high in danger and the like.

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.

The utility model discloses a fulcrum folding type vehicle-mounted crowbar, and particularly relates to the field of vehicle-mounted crowbars, the fulcrum folding type vehicle-mounted crowbar comprises a crowbar, the upper end of the crowbar is connected with a connecting bar through a hinge, one side of the upper end of the connecting bar is fixedly provided with a grip, one side of the crowbar is provided with a folding assembly, the folding assembly comprises limiting rods, and the limiting rods are located on the two sides of the connecting bar. And the upper end of the limiting rod is connected with a fixing rod through a mounting block, the fixing rod penetrates through the mounting block and is connected with the limiting rod, and an extrusion spring is arranged at the bottom of the connecting block and surrounds the fixing rod. According to the vehicle-mounted crowbar, the folding assembly is arranged, the vehicle-mounted crowbar can be folded and limited through the clamping frame in the folding process, the stability of the vehicle-mounted crowbar in the folding process is improved, meanwhile, when the crowbar and the connecting bar are limited through the threaded rod, the phenomenon that the use of the vehicle-mounted crowbar is affected due to bending is not prone to occurring when the vehicle-mounted crowbar is used is avoided, and the vehicle-mounted crowbar is convenient to use. And the practicability of the device is enhanced.

A steel component alignment tool that is used to align adjacent steel components, such as the framework in a concrete form. Adjacent sections of framework have openings that align when the forms are aligned. The head of the tool is tapered from a narrow end to a wider base such that the tapered tool end can be inserted into a pair of misaligned openings, and hit with a hammer or similar striking object to force the tapered head of the tool into the openings. This force causes the adjacent framework to align.

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.

The utility model discloses a rotary lifting power assisting device and a railway double-layer vehicle special for transporting automobiles, which are used for assisting in lifting an upper-layer end bottom frame and comprise a spring balancer, a rotating shaft, a rotating shaft and a rotating shaft, and the connecting mounting base is used for being fixed to the upper-layer end underframe, and the rigging of the spring balancer is connected to the connecting mounting base. When the upper-layer end underframe needs to be lifted, an operator can apply upward thrust to the upper-layer end underframe, the upper-layer end underframe can ascend under the assistance effect of the spring balancer, and when the upper-layer end underframe ascends to the needed position, the operator applies downward tension to stop rotation of the upper-layer end underframe, and then the upper-layer end underframe is fixed. When the upper-layer end underframe needs to descend, an operator can continuously apply downward pulling force. The device is simple to operate and does not need an external power source. Operators only need to apply upward or downward initial force, lifting of the upper-layer end bottom frame can be achieved, the response speed is high, and energy conservation and environmental protection are achieved.

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.