1029 results about "Horizontal bar" patented technology

A safety attachment which is used to stabilize a straight ladder or an extension ladder, comprising: a main body, which contains an upper portion and a lower portion, the upper portion and the lower portion are connected to each other; the upper portion can be attached to the ladder, and the lower portion can stably contact ground surface; a plate, which is fixed on the main body, and a first loop is fixed on the plate; and at least one rope, which has one connector located on both ends of the rope respectively, and one of the connectors is used to detachably attach to the first loop to let the rope connect to the main body, another one of connectors is used to detachably attach to a second horizontal bar on the ladder to let the rope connect to the ladder.

The invention discloses a pulmonary nodule puncture and ablation positioning device, and belongs to the technical field of pulmonary nodule puncture. Comprising mounting plates which are symmetrically arranged, vertical rods are arranged on the mounting plates, one ends of the vertical rods are fixed to the mounting plates, a transverse rod is arranged at the other ends of the vertical rods, the two ends of the transverse rod are fixed to the other ends of the two vertical plates respectively, and the transverse rod is sleeved with a sliding sleeve; a plurality of protruding edges are arranged on the outer surface of the transverse rod in the length direction, a plurality of grooves matched with the protruding edges are formed in the inner side face of the sliding sleeve and are connected to the protruding edges in a sliding mode, first sliding rods are symmetrically arranged on the sliding sleeve and are parallel to the mounting plate, and the first sliding rods are connected to the sliding sleeve in a sliding mode. One end of each first sliding rod is fixed to the sliding sleeve, the two first sliding rods are each provided with a sliding ring, and the sliding rings are arranged on the first sliding rods in a sleeving mode. According to the technical scheme, positioning and puncture path guiding are provided for puncture operation, and the puncture effect is improved.

The utility model discloses a drainage system with an intercepting and buffering mechanism. The intercepting plate is connected to the interior of the main frame, the baffles are arranged in the intercepting plate, the base rod is connected to the middle of the front end of the main frame, the transverse battens are connected to the inner side of the base rod and correspond to the baffles in a one-to-one mode, the linkage rods are detachably connected between the transverse battens and the baffles, and rectangular bases are arranged on the two horizontal sides of the main frame. And the fixing plate is connected in the rectangular seat in a retractable manner. A plurality of movable baffles are arranged on the intercepting plate, and the baffles can be overturned to different inclination angles in a rectangular through opening in the intercepting plate under the mutual cooperation of a push rod, a transverse strip plate and a linkage rod, so that the size of an overflow opening formed by the rectangular through opening in the intercepting plate is controlled, and the water flow intercepting and buffering effects are rapidly achieved; and the fixing plate and the rectangular seat arranged on the two sides of the main frame can be matched with each other to be quickly mounted at a proper closure position of the ditch.

The utility model discloses a punching and positioning device for a bridge concrete guardrail. The punching and positioning device comprises a cross beam, a hanging rod is fixed to the surface of the cross beam, a first adjusting rod is installed on the cross beam, vertical beams are symmetrically fixed to the surface of the cross beam, adjusting grooves are formed in the surfaces of the vertical beams, and cross rods are arranged on the outer sides of the vertical beams. According to the punching and positioning device for the bridge concrete guardrail, a first adjusting rod is screwed to push a cross rod to move up and down between two vertical beams, so that up-down displacement adjustment of a pistol drill which is installed subsequently is facilitated, and a guide rod can move and slide left and right on the cross rod through an adjusting frame; the gun drill is installed between the first clamping arm and the second clamping arm, the gun drill can be manually pushed to slide back and forth on the guide rod through the adjusting seat, and therefore the gun drill can drill holes in the concrete guardrail, the situation that a worker only holds the gun drill to drill holes is avoided, and the working efficiency is improved. And the stability of drilling machining is improved.

An apparatus configured to attached to a wheeled transport device is disclosed. The apparatus may include a first clamping mechanism and a second clamping mechanism configured to removably attach to the wheeled transport device. The apparatus may include a first push arm and a second push arm extending vertically from respective first clamping mechanism and second clamping mechanism. The apparatus may further include a horizontal bar configured to connect the first push arm and the second push arm. The apparatus may further include a first swiveling mechanism disposed between the first clamping mechanism and the first push arm and a second swiveling mechanism disposed between the second clamping mechanism and the second push arm. The first swiveling mechanism and the second swiveling mechanism may be configured to swivel the first push arm and the second push arm relative to the first clamping mechanism and the second clamping mechanism respectively.

The invention discloses an adjustable sliding rail reinforcing steel bar pre-embedding positioner and a construction method thereof, and relates to the technical field of reinforcing steel bar pre-embedding positioning, the positioner comprises a first positioner used for positioning frame column reinforcing steel bars and a second positioner used for positioning foundation horizontal bars, the first positioner comprises four positioning pipes which define a rectangular frame, and the positioning pipes are arranged in the rectangular frame; a plurality of groups of positioning hoops in one-to-one correspondence with frame column steel bars are correspondingly and fixedly arranged on each positioning pipe; the second positioner comprises a first positioning module and a second positioning module, and further comprises an adjusting module; the first positioning module and the second positioning module respectively comprise two groups of positioning columns which are symmetrically arranged in parallel; frame column steel bars are positioned through the frame column steel bar positioning mechanism, stirrups are placed according to the interval and the number required by a construction drawing, and the stirrups and the frame column steel bars are firmly bound through binding wires; and each link is ensured to meet the design requirement and the quality standard.

The utility model relates to an anchor rod lattice beam side slope scaffold which comprises vertical upright rods, inclined transverse rods perpendicular to the upright rods, transverse bottom transverse rods and longitudinal bottom transverse rods, and the transverse bottom transverse rods and the longitudinal bottom transverse rods are installed on the bottom layers of the upright rods. The transverse bottom horizontal tube and the longitudinal bottom horizontal tube are connected with the inner vertical tube and the outer vertical tube through rotary fasteners, and the inclined cross rods are connected with the inner vertical tube and the outer vertical tube through cross fasteners. The inner vertical rod is connected with an anchor rod pre-buried in a side slope through a wall connecting piece, the wall connecting piece comprises a wall connecting piece inner rod, a wall connecting piece outer rod and a wall connecting piece steel pipe, the wall connecting piece inner rod is pre-buried in the side slope and welded to the anchor rod, one end of the wall connecting piece outer rod is in threaded connection with the wall connecting piece inner rod through a conical sleeve, and the other end of the wall connecting piece outer rod is in threaded connection with the wall connecting piece steel pipe. The other end of the wall connecting piece outer rod is connected to the wall connecting piece steel pipe, and the wall connecting piece steel pipe is connected with the inner vertical rod through a steel pipe fastener.

A gate hinge bracket assembly for pivotally mounting a gate having longitudinal horizontal members and a leg frame member to a vertical support such as a post. A pair of U-shaped brackets, each one having opposing side flanges, receive a horizontal bar with the vertical leg frame member disposed therebetween adjacent the inner surface of the U-shaped bracket. A pair of spaced apart aligned vertical bracket sleeves are welded on the outer surface of the bracket opposite the opposing side flanges. Each gate hinge bracket assembly includes a threaded tee rod with a pair of nuts and washers for securing the rod to a post. The threaded tee rod includes a proximate end including a vertical tee rod sleeve alignable for cooperative engagement mounting between the bracket sleeves. A fastener is inserted through the bracket sleeves and vertical tee rod sleeve pivotally connecting and supporting the gate to the post.

The utility model relates to a framework type tower structure node structure which comprises a transverse rod, an inclined rod and a connecting module, and the transverse rod and the inclined rod are both arranged to be square pipes; the connecting module is arranged in the middle of the cross rod, the four inclined rods are detachably connected to the connecting module, and the four inclined rods are located in four different directions; the connecting module comprises a connecting plate and a connecting part; the connecting plates are attached to the upper side and the lower side of the transverse rod correspondingly and are detachably connected. The four connecting parts are arranged in one-to-one correspondence with the four inclined rods, are detachably mounted on the connecting plates located on the upper surfaces of the cross rods, and are used for detachably connecting the inclined rods with the cross rods. According to the framework type tower, the cross rods and the inclined rods of the square pipes are detachably connected through the connecting modules, the cross rod and inclined rod system does not have welding seams perpendicular to the stress level, the risk of fatigue damage of a welded steel structure is avoided, the welding work amount of nodes of the cross rods and the inclined rods is reduced, the production work amount is reduced, and the cost is reduced.

The invention provides a multi-layer cold chain discharging device for hotpot condiments, belongs to the technical field of material conveying equipment, and relates to hotpot condiment discharging. A plurality of pairs of material supporting rods are arranged, a transverse strip is arranged below the outlet end of each conveying belt, and each pair of material supporting rods are arranged on the corresponding transverse strips in a sliding and penetrating mode; the four lifting plates are all horizontally arranged outside the outlet end of the conveying belt, the four lifting plates are arranged around a first rotating shaft arranged in the vertical direction in a circumferential array mode and rotationally arranged around the first rotating shaft, the lifting plates are all movably arranged in the vertical direction, and the vertical distances between the first rotating shaft and the two side faces of the lifting plates are equal. The vertical distances between the first rotating shafts and the material supporting rods are equal, and the width of the lifting plate is smaller than the distance between each pair of material supporting rods. According to the multi-layer cold-chain hotpot condiment discharging device, multi-layer cold-chain hotpot condiment discharging work can be completed without manual participation, the discharging efficiency is high, hotpot condiments are not prone to being damaged, and high practicability is achieved.

The utility model discloses a metal plate flexible bending machine, which relates to the technical field of bending machines, and comprises a rack and two symmetrically arranged support plates fixedly arranged on the table top of the rack, the upper end of each support plate is provided with a rotating groove, a cross rod is rotatably arranged in the rotating groove in a penetrating manner, the rod wall of the cross rod is fixedly sleeved with a bearing plate, and the bearing plate is positioned in the rotating groove. The ends of the two cross rods penetrate out of the supporting plate and are jointly provided with a driving mechanism used for driving the cross rods to rotate, a hydraulic cylinder is fixedly arranged at the top of the rack, the tail end of a piston rod of the hydraulic cylinder penetrates into the rack and is fixedly provided with a movable frame, a bidirectional lead screw rotationally penetrates through the inner wall of the movable frame, and the two ends of the rod wall of the bidirectional lead screw are sleeved with sliding rods in a threaded mode. According to the bending machine, the supporting plate, the transverse rod, the bearing plate, the driving mechanism, the moving frame, the bidirectional lead screw, the sliding rod, the bending plates and the connecting mechanism are provided, the angle between the two adjacent bending plates and the bearing plate can be adjusted according to the bending angle requirement, and the bending multifunctionality of the bending machine on the flexible metal plate is improved.

The invention relates to the technical field of nuclear engineering building structure design, and discloses a floor integrated structure module and a construction method thereof. The reinforcing mesh structure comprises horizontal bars and tie bars, one ends of the tie bars are connected with the bottom plate structure, and the other ends of the tie bars are connected with the horizontal bars; the detachable truss structure comprises detachable truss units and truss connecting assemblies, and the truss connecting assemblies are suitable for connecting every two adjacent detachable truss units; the detachable truss unit comprises an upper chord component and a web component, the upper chord component is arranged on the side, away from the bottom plate structure, of the reinforcing mesh structure, one end of the web component in the first direction is connected with the upper chord component, and the other end of the web component is detachably connected with the first bottom plate and / or the second bottom plate. According to the floor integrated structure module, the construction problem of areas such as large-span floors, limited-space floors and scaffolding-supporting-difficult floors is solved, formwork-free and scaffolding-free supporting is achieved, and the construction efficiency and safety are improved.

The anti-cracking assembly type partition wall board comprises a wall board body, a transverse rib and a vertical rib, the two ends of the transverse rib are provided with a quick connecting base and a quick connector respectively, the quick connecting base comprises a base body connected with the transverse rib, a quick connecting inserting hole is formed in the base body, and a locking piece clamping hole is formed in the hole wall of the quick connecting inserting hole; the quick connector comprises a connector body provided with a movable sliding hole, a center column is arranged in the movable sliding hole in a sliding mode, the center column is provided with a guide face, a locking plate sliding hole is formed in the connector body, the locking plate sliding hole is provided with a guide column sliding hole, a quick connecting locking plate is arranged in the locking plate sliding hole in a sliding mode, and the guide column sliding hole is provided with a guide face. The end face, close to the center column, of the pushed guide column abuts against the guide face. According to the anti-cracking assembly type partition wall board, the installation efficiency is improved while the connection strength of the partition wall boards is improved, and the situation that the partition wall boards deform and crack is not prone to occurring between the partition wall boards.

A precise positioning device for a dam panel side mold comprises a supporting frame and a pressing device, the supporting frame comprises a longitudinal rod and a transverse rod, one end of the transverse rod is fixedly connected to the lower side of the longitudinal rod, the other end of the transverse rod is provided with at least one adjusting sleeve, the adjusting sleeve is used for being connected with a reinforcing steel bar embedded in the ground, and the upper end of the longitudinal rod extends outwards and is fixedly connected with a supporting rod; the pressing device is mounted at the top of the longitudinal rod; an adjusting screw rod is mounted at the lower end of the longitudinal rod; in the using state, the upper ends of the side molds are placed on the supporting rods, and the downward pressing devices are pressed on the side molds. The side formwork is supported through the supporting frame, the position of the side formwork is limited and adjusted through the adjusting sleeve and the adjusting screw which are installed on the supporting frame, the steel formwork does not need to be lifted manually during adjustment, adjustment is easy and convenient, and the adjustment precision is higher.

The invention discloses a wind tunnel test device and test method for a multi-vertical-degree-of-freedom segment model, and belongs to the technical field of bridge wind tunnel tests.The test device comprises a bridge segment model and supports symmetrically arranged on the two sides of the bridge segment model, and the supports are provided with two parallel transverse rods; a first supporting rod and a second supporting rod are slidably installed on the support in the longitudinal direction, the first supporting rod is fixedly connected with the bridge segment model through a connecting rod, a first spring is installed between the first supporting rod and a supporting transverse rod located at the top of the support, and a second spring is fixedly installed between the first supporting rod and the second supporting rod. A third spring is installed between the second supporting rod and the supporting cross rod located at the bottom of the support, a threaded rod is fixedly connected to the bottom of the second supporting rod, and a balancing weight is connected to the threaded rod in a threaded mode. The weight of the whole sliding structure is adjusted by adjusting the number of the balancing weights, so that the multi-vertical vibration frequency is adjusted.

A pulley system for assisting in the performance of exercises includes a first and a second belt member each having an attachment ring member on a first end and a handle on an opposing end, where the attachment ring members are configured for attachment to a horizontal bar and the first and second belt members are configured each for having a portion of the belt member and the belt member over-hanging the horizontal pullup bar. The pulley system further includes an arm support member having at least two pulley elements each interfacing with respective intermediate sections of the first and second belt members which are threaded through the at least two pulley elements and where the pulley system is configured for supporting a user under their arms using the arm support member while the user simultaneously grabs the overhanging handles for enabling the user to enhance a leg lifting exercise.

The utility model provides a stiff skeleton suitable for construction of a space linear complex concrete tower column, the stiff skeleton comprises a plane truss structure composed of stiff skeleton vertical rods, stiff skeleton inclined rods and stiff skeleton horizontal rods, and a space truss structure is formed by connecting stiff skeleton parallel connection components and stiff skeleton horizontal inclined struts. Joints are connected through splice plates, stiff skeleton vertical inclined struts are arranged between the stiff skeleton vertical rods and the stiff skeleton parallel connection components, and stiff skeleton horizontal inclined struts are arranged between the stiff skeleton horizontal rods and the stiff skeleton parallel connection components. Stiff skeleton vertical rods of the stiff skeleton of the middle section are connected through a filling plate, and node stiffening plates are arranged on the upper side and the lower side of the filling plate respectively. The stiff framework provided by the utility model replaces a traditional cast-in-place support construction method, the steel consumption of a temporary structure is reduced, the adaptability to surrounding geology and environmental conditions is improved, the steel bar construction difficulty is reduced, and the stress performance of the space linear complex tower column is effectively improved.

The invention discloses a mortise and tenon joint structure and a using method thereof, and belongs to the technical field of mortise and tenon joint, the mortise and tenon joint structure comprises stand columns, crosspieces, seat frames, side surrounding plates and a seat surface, the number of the stand columns is four, the crosspieces are arranged between the adjacent stand columns, the number of the crosspieces is four, surrounding frames are arranged at the tops of the four corresponding crosspieces, and the number of the surrounding frames is four. The wood seat has the beneficial effects that when the volume of wood is expanded or shrunk due to temperature change, the seat surface can freely move in the seat frame in the front, back, left and right directions in a limited manner, so that stress is effectively released, and the spalling phenomenon caused by stress concentration is avoided; and through the stress dispersion and buffering effects, the adaptability and stability of the structure in a complex environment are further enhanced, the risk of structural damage caused by thermal expansion and cold contraction is reduced, and therefore the reliability and economical efficiency of the tenon-and-mortise structure in practical application are improved.

The motor dismounting device for the twisting machine comprises a support, a lead screw, a transverse rod and two supporting clamping jaws, the lead screw is connected to the support in a threaded mode, and the lead screw is arranged in the vertical direction; the transverse rod is connected to the support in a sliding mode, the transverse rod is arranged in the horizontal direction and rotationally connected with one end of the lead screw, the lead screw can drive the transverse rod to do lifting motion, and a positioning sleeve is fixedly connected to the lower portion of the transverse rod and can be connected to the outer side of the bearing in a sleeving mode so as to position the position of the positioning sleeve; the two supporting clamping jaws are connected to the cross rod in a sliding mode, symmetrically distributed on the two opposite sides of the positioning sleeve and capable of moving close to each other so as to abut against the bottom of the bearing. The relative position of the supporting clamping jaw and the bearing can be positioned, the supporting clamping jaw evenly applies force from the two opposite sides of the bearing to disassemble and take out the motor, the motor disassembling stability is improved, and the motor disassembling and taking-out device is suitable for disassembling and taking out the motor in a narrow space.

The invention relates to the technical field of wafer carrying, and particularly discloses a wafer carrying device with an anti-collision structure, which comprises a cubic frame, and four cross rods are arranged among four stand columns of the cubic frame; the supporting plate is fixedly installed among the four transverse rods, and a pushing and holding device is arranged at the bottom end of the supporting plate; the four damping air bags are distributed in an array mode, and the damping air bags are installed at the top end of the supporting plate; the bearing table is installed at the top end of the damping air bag, and the bearing table is used for placing a wafer boat box; the anti-rollover transverse frame is mounted on the inner wall of the top frame of the cubic frame; the lifting arm device comprises a tension spring, and a plurality of first supporting rings are arranged at the top end of the bearing table. The anti-collision performance of the carrying device is improved, the damping effect on wafers with different weights is improved, and the carrying device is provided with an automatic leveling structure for the wafers.

The invention relates to the technical field of geotechnical engineering slope support, in particular to an anchor rod soil nailing wall slope support reinforcing mesh fixing method. According to the technical scheme, the method comprises the following treatment steps of 1, slope surface pretreatment, wherein a slope surface and a top slope surface are cleaned; 2, drilling positions are determined, specifically, drilling is conducted on the top slope surface and the slope surface; 3, anchor rod soil nails are installed, and a reinforcing mesh layer is laid; fourthly, U-shaped steel bars are mounted, wherein mounting holes allowing the U-shaped steel bars to be inserted are formed in the slope soil body, and the semicircular top face is exposed; fifthly, the reinforcing mesh layer and the U-shaped steel bars are bound and fixed, wherein horizontal bars and longitudinal bars of the reinforcing mesh layer are bound to the U-shaped steel bars; and 6, pouring of a surface layer. The U-shaped reinforcing steel bars are adopted for fixing and supporting the reinforcing mesh, the thickness of a protective layer of the reinforcing mesh and a slope soil body is effectively controlled, it is also guaranteed that the slope reinforcing mesh is located on the same plane, the overall stability of supporting is improved, the slope appearance after construction is good, and the construction safety performance is high.

The invention provides a supporting device for an assembly type laminated slab and a construction method. Two supporting frames in the supporting device are arranged in a spaced mode and located on corresponding bases respectively. Each supporting frame comprises a front vertical rod, a rear vertical rod, an upper transverse rod and a lower transverse rod which form a frame structure in a surrounding mode, the rear vertical rods are connected with the corresponding bases, the upper transverse rods and the lower transverse rods are hollow pipes, and the front ends, away from the rear vertical rods, of the upper transverse rods and the lower transverse rods are open. The two ends of the upper connecting rod are arranged in the corresponding upper transverse rods of the two supporting frames in a sleeved mode respectively. The two ends of the lower connecting rod are arranged in the corresponding lower transverse rods of the two supporting frames in a sleeved mode respectively. And the plurality of tie pieces are distributed on a supporting rod body structure formed by the two lower cross rods and the lower connecting rod in the extending direction of the lower cross rods. The supporting device for the fabricated laminated slab is mounted in an upright manner, does not occupy the lower space, does not need to consider the concrete strength of a lower floor during construction, is higher in construction efficiency, is positioned at the upper part of a construction floor surface, and does not involve high-altitude operation during mounting and dismounting.

The utility model provides a tool type scaffold wall connecting piece, and belongs to the technical field of building construction tools. Comprising a fixing clamp used for fixing a scaffold rod body and an embedded part embedded into a concrete beam body, and further comprises a connecting piece used for connecting the fixing clamp and the embedded part. A containing cavity used for containing and fixing a scaffold rod body and a fixing block used for fixing the scaffold rod body are arranged in the fixing clamp, and the fixing clamp fixes a scaffold transverse rod and a scaffold vertical rod through a single bolt. The embedded part comprises a cylinder connected with the connecting piece and a connecting piece, a closed cushion block is arranged between the cylinder and the concrete beam body pouring formwork, and an anti-disengaging bolt is connected into the closed cushion block in a sleeved mode. The fixing device has the advantages that the transverse rods and the vertical rods of the scaffold rod body are fixed through the fixing blocks, the fixing clamps are locked through rotation of the single bolt, meanwhile, the transverse rods and the vertical rods of the scaffold rod body are fixed, and the complexity degree of fixing operation is reduced.

A system comprising rectangular panels being installed against the outer surface (7) of a building. Oblong support elements (6) provided with horizontal bars (8) are attached against said outer surface (7). The panels are attached to these horizontal bars (8). The panel may include a rectangular plate like element (1) at its frontside and two oblong holder members (2, 3) at its backside, wherein said holder members (2, 3) are positioned parallel with respect to each other and are located near opposite edges of the plate like element (1). Each holder member (2, 3) is provided with a first recess (4) and a second recess (5) and each recess (4, 5) engages one of said horizontal bars (8). At least a part of said first recess (4) extend in a direction parallel with respect to said plate like element (1) and said second recess (5) extend in a direction perpendicular with respect to said plate like element (1). The panels can be attached to the support elements (6) by moving the panel in such way that the first recesses (4) engage two bars (8) and subsequently the two second recesses (5) engage two other bars (8).

The invention provides a prefabricated box girder steel bar component construction method and device based on stirrup bending. The method comprises the steps that according to the design size, an upper row of longitudinal bars and a lower row of longitudinal bars are arranged in order; transverse bars are inserted into the bottoms of the longitudinal bars in the lower row, and the transverse bars are welded to the longitudinal bars in the lower row; the transverse bars are bent into closed stirrups according to the design size requirement, the inner top walls of the stirrups are attached to the longitudinal bars in the upper row, and the lap joints of the two ends of the stirrups are welded; and the longitudinal bars in the upper row are welded with the stirrups. The transverse bars are inserted into the outer portions of the two rows of arranged longitudinal bars, the steel bar blocks are manufactured in the mode of forming stirrups through welding and bending, industrial standardized equipment can be conveniently used for production, meanwhile, the high-precision steel bar meshes and the steel bar blocks are obtained, the overall quality of steel bar components is improved, the mechanical production mode is adopted, and the production cost is reduced. The production efficiency can be greatly improved, and the labor intensity is reduced.

The invention relates to the technical field of heat treatment equipment, and particularly discloses a continuous high-frequency quenching device and a continuous high-frequency quenching method.The continuous high-frequency quenching device comprises a heating furnace, a cooling pond, a conveying belt, a carrying plate and a clamping net rack; a feeding station, a heating station and a clamping station which are located on the upper conveying face and a cooling station located on the lower conveying face are sequentially formed on the conveying belt in the length direction of the conveying belt. The multiple carrying plates are arranged on the conveying belt in the length direction of the conveying belt, and inserting blocks and releasing rods are arranged on the carrying plates. The clamping net rack comprises an outer frame, transverse rods and longitudinal rods, the transverse rods and the longitudinal rods are installed in the outer frame and distributed at equal intervals, the transverse rods and the longitudinal rods are arranged in a crossed mode to form a plurality of limiting grids used for stretching into the tooth tips of the bucket teeth, and extension springs are arranged between every two adjacent transverse rods or longitudinal rods. The outer frame is provided with a locking block used for compressing the extension spring and an inserting groove matched with the inserting block. According to the continuous high-frequency quenching device and the quenching method, the structure is relatively simple, and the total cost is reduced.

The invention relates to the technical field of sports equipment detection, and discloses sports equipment strength detection equipment which comprises a movable frame, and a detection mechanism used for detecting the strength of one or two cross bars of parallel bars is arranged at the top of the movable frame. And an adjusting piece for transversely adjusting the detection mechanism is arranged in the movable frame. According to the sports equipment strength detection equipment, through rotation of two winding wheels, two hooks can be pulled through two steel wire ropes, pulling detection of two cross bars is formed, the winding angle of the two steel wire ropes is limited through a guide assembly, then the pulling angle of the two hooks can be changed, and the strength of the sports equipment is detected. The multi-angle strength detection device has the advantages that the two cross bars of the parallel bars are vertically downward, the two cross bars are centered and obliquely downward, and the two cross bars move relatively, so that the multi-angle strength detection function is realized, and the detection diversity of the detection device is improved.