Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

1513 results about "Retainer (device)" patented technology

Rigid support and fixing device for furniture shelves

A compact support and fixing device for furniture shelves includes a casing containing a pin compressing a spring between positions of maximum extraction and maximum retraction inside the casing, and a cam for controlling the movement of the pin. The casing has a hollow body with an end wall having a through hole to receive a free terminal end of the pin and another end having an opening to receive a closing plug. The pin has a first end portion of smaller diameter, an intermediate section having a flat surface with a recess receiving an eccentric lobed element of the cam acting on a through opening of the recess, thus determining the movement of the pin between maximum extraction and maximum retraction by rotation of the cam. Retaining elements for retaining the cam inside the hollow body of the casing in an operating position, after insertion, are also provided.
Owner:LEONARDO

Compact support and fixing device for furniture shelves

A compact support and fixing device for furniture shelves includes a casing containing a pin compressing a spring between positions of maximum extraction and maximum retraction inside the casing, and a cam for controlling the movement of the pin. The casing has a first and a second half-shell connected with each other, the first half-shell a wall with a through hole at one end for receiving a free terminal end of the pin. The pin has a first end portion of smaller diameter, an intermediate section receiving the cam, and a second end portion of reduced diameter, with a wall for centering and abutting the spring. The intermediate section has a flat surface with a recess receiving an eccentric lobed element of the cam, which engages a through opening in the recess, thus determining the movement of the pin between maximum extraction and maximum retraction by rotation of the cam.
Owner:LEONARDO

Fixing device for boiler

The invention relates to the field of boiler fixing devices, in particular to a boiler fixing device which comprises two rotating frames, two sets of clamping pieces, an adjusting piece, a plurality of rotating wheels and a limiting rod. The two rotating frames are symmetrically arranged on the fixed seat, and the first openings of the two rotating frames are opposite to each other; the two sets of clamping pieces are installed in the two rotating frames respectively, a clamping space is formed between each set of clamping pieces, a second opening is formed in the side, close to the first opening, of the clamping space, the width of the second opening is smaller than the inner diameter of the clamping space, and the width of the second opening is adjustable; the adjusting piece is inserted into the end parts of the rotating frames, is in transmission connection with the clamping piece and is used for adjusting the clamping piece to move along the opposite directions of the two rotating frames; the multiple rotating wheels are installed on the surface of the clamping piece and attached to the pipeline in the clamping space. The limiting rod is inserted into the fixing base, and when the clamping piece is in a stopped state, the surface of the limiting rod is clamped to the upper end face and the lower end face of the clamping piece, and the clamping piece is fixed.
Owner:JIANGXI KAISITONG ENVIRONMENTAL PROTECTION EQUIP

Fixing device for compressor impeller

The utility model relates to the technical field of compressor impellers, in particular to a compressor impeller fixing device which comprises a driving part, the inner wall of the driving part is connected with the outer wall of a first locking part in a sliding mode, and after a main shaft is inserted into an inner cavity of an impeller body to enable a clamping cavity to be aligned with a clamping groove, a threaded column is screwed into a first threaded hole through threads. In the screwing-in process of a threaded column, a pushing cone at the bottom end makes contact with the inclined face of a clamping block, so that the threaded column descends along a first threaded hole and pushes the clamping block to move into a clamping groove in a clamping cavity at the same time, and the clamping block makes contact with the threaded column after being disengaged from making contact with the pushing cone; at the moment, a part of the clamping block enters the clamping groove to fix the impeller body and the main shaft, meanwhile, the locking column stretches into the locking groove from the sliding groove to be locked through the elastic force of the spring, the whole fixing process is completed in a thread screwing-in mode, operation is easy and fast, extra complex tools or steps are not needed, and people can use the impeller conveniently.
Owner:CHENGTUO (SHANGHAI) IND CO LTD

Device for operating a built-in kitchen appliance

Operating device (3) for operating a hob system (1), comprising an operating element (13) and a fastening device (14, 32, 41, 43, 47, 53, 58, 63) for fastening the operating element (13) to a piece of kitchen furniture, comprising a plurality of pin-shaped elements (24, 34, 44, 48, 55, 60) and a fixing means (26, 35, 50), wherein a plurality of the pin-shaped elements (24, 34, 44, 48, 55, 60) each have a partially threaded section (25, 57), wherein the fixing means (26, 35, 50) has a nut (28) with one or more fixing threaded sections (29) which fit the partially threaded sections (25, 57). are designed such that the nut (28, 36, 56) cooperates with a plurality of the partial thread sections (29).
Owner:BORA VERTRIEBS GMBH & CO KG

Crucible lifting and fixing device and crucible transfer equipment

The utility model relates to a crucible lifting and fixing device and crucible transferring equipment and relates to the technical field of silicon carbide growth, the crucible lifting and fixing device comprises a lifting support, a driving assembly, a sliding rod and two positioning supporting pieces, the lifting support serves as an integral supporting frame body, and the driving assembly is arranged on the lifting support; the sliding rod is arranged on the lifting support and located on the bottom side of the driving assembly. The two positioning supporting pieces are arranged on the sliding rod in a sliding mode and are in transmission connection with the driving assembly. Wherein the two positioning supporting pieces are configured to be far away from each other or close to each other under the driving of the driving assembly so as to be positioned and clamped on the inner wall of the outer crucible or be separated from the outer crucible. Compared with the prior art, the crucible lifting and fixing device provided by the utility model has the advantages that the outer crucible hole position can be automatically clamped, the problem of clamping caused by screwing and unscrewing of a conventional bolt buckle is avoided, and time and labor are saved.
Owner:TONGWEI MICROELECTRONICS CO LTD

Digital modularized low-voltage intelligent switch cabinet

The invention discloses a digital modular low-voltage intelligent switch cabinet which is applied to the technical field of switch cabinets, a fixing device is arranged between a working module and a connecting interface, meanwhile, the fixing device is protected through a fixing arm, and when the connecting interface and a connecting joint are subjected to force in the non-vertical direction, the connecting interface and the connecting joint are fixed through the fixing arm. The force in the limit horizontal direction borne by the connecting interface and the connecting joint is controlled through breakage of the fixing arm, the connecting interface and the connecting joint are protected through the fixing arm, the replacement cost and difficulty are reduced, the connecting interface and the connecting joint are not prone to deformation, and subsequent normal use is not prone to being affected; meanwhile, a locking device and a limiting ring are introduced to support a connecting interface, so that the fixed arm is not prone to fracture and failure in advance, the reliability of the working module and the detection module in the using process is greatly improved, the fixed arm is not prone to frequent fracture, and frequent maintenance work is not needed.
Owner:CHENGDU NCAUTOM AUTOMATION EQUIP CO LTD

Glass carrying and mounting device

The invention discloses a glass carrying and mounting device, and relates to the technical field of glass carrying and mounting, the glass carrying and mounting device comprises a bottom frame, the bottom frame comprises an external fixing rod, a bottom rod, a top rod, a vertical rod, a side rod and a bottom middle fixing rod; the vertical rod, the side rod and the external fixing rod are connected together in a triangular shape, a top rod is arranged on the vertical rod, a fixing mechanism is arranged on the side rod, an adjusting mechanism is arranged on the bottom middle fixing rod, a lifting mechanism is arranged on the vertical rod, and universal wheels are arranged at the four corners of the bottom of the external fixing rod; according to the glass carrying and mounting device, by arranging the fixing device, loading and unloading of glass are achieved, manpower is reduced, and the carrying, loading and unloading efficiency is improved; by arranging the adjusting mechanism, the position change of the glass on the horizontal plane is adjusted, and the inside-out and outside-in adjustment of the glass on the bottom frame is achieved so as to adapt to the installation position; the height of the suction cup is adjusted by arranging the lifting mechanism, and then the distance between the glass and the ground is achieved.
Owner:烟台飞龙绿色建材科技有限公司

Swing arm bushing extrusion equipment

The invention relates to the technical field of bush press fitting, in particular to swing arm bush extrusion equipment which comprises a fixing device and an extrusion device, the fixing device can fix a seat body and a first arm body, the extrusion device comprises a pressing head structure and a first driving assembly, and the pressing head structure comprises a pressing head part; the pressing head structure is arranged between the first arm ring and the second arm ring and faces the second arm ring, the pressing head part can abut against the end, facing the pressing head part, of the outer ring body, the lining unit extends in the first direction, the pressing head part extends in the second direction, and the second direction deflects towards the base body in the horizontal direction relative to the first direction; the first driving assembly can drive the pressing head part to move in the second direction and push the lining unit to be disengaged from the second armlet. Therefore, the problems that the bushing of the swing arm is difficult to disassemble, the swing arm is easy to damage and the efficiency is low are solved.
Owner:WANXIANGQIANCHAO CO LTD +1

Double-clip type numerical control tool machining fixing device

The utility model relates to the technical field of cutter fixing, in particular to a wafer type numerical control cutter machining fixing device which comprises a base and mounting blocks symmetrically arranged at the bottom end of the base, the top end of the base is fixedly connected with a vertically-arranged limiting rod, a vertically-arranged connecting rod is arranged above the base, a limiting groove is formed in the bottom end of the connecting rod, and the limiting rod is fixedly connected with the mounting blocks. According to the tool clamping device, through the arrangement of the limiting rod, the connecting rod, the limiting groove, the positioning block, the tool body, the fixing rod, the sliding block, the threaded groove, the fixing bolt, the butt clamping block, the connecting groove, the positioning groove, the sliding groove, the fastening block, the fastening hole, the connecting bolt and the connecting nut, a plurality of tools can be installed and replaced at the same time; the tool body and the connecting assembly of the tool body are fixed to the proper positions through the two same butt-clamping blocks by adopting the butt-clamping design, uniform clamping force can be provided in the mode, and the tool body is fixed more firmly.
Owner:WUXI YUTIAN PRECISION TOOL

Fixing device of large-stroke jacking oil cylinder for convertible stand and using method of fixing device

The invention relates to the technical field of steel structure construction, in particular to a jacking technology of a steel structure module, in particular to a fixing device of a large-stroke jacking oil cylinder for a convertible stand and a using method of the fixing device. The fixing device is characterized in that the fixing device comprises an anchoring part (1), a connecting part (2) and an oil cylinder fixing part (3), the anchoring part (1) is connected with the oil cylinder fixing part (3) through the connecting part (2), and the connecting part (2) is connected with the oil cylinder fixing part (3) through the connecting part (2); and the anchoring part (3) is connected with a structural part of the convertible stand. The invention provides a method for fixing a jacking oil cylinder for synchronous jacking construction of a movable inclined stand. The fixing device can be installed on a vertical web member and a chord member of a main truss of the movable inclined stand, jacking oil cylinders on the two sides are fixed in an embracing mode through the hoop plates, and it is guaranteed that the oil cylinders are always kept stable in the jacking process.
Owner:MCC (SHANGHAI) STEEL STRUCTURE TECHNOLOGY CORP LTD +1

Bicycle frame with stable structure

The utility model relates to the technical field of bicycles, and discloses a bicycle frame with a stable structure, which comprises a head tube and a middle tube, a crank support shell is arranged at the center of the lower end surface of the middle tube, rear lower forks are arranged at the front and rear parts of the center of one side of the crank support shell, and a firm shell is arranged at the center of the outer sides of the head tube and the middle tube. Fixing devices are arranged on the upper portions and the lower portions of the centers of the outer sides of the two firm shells, a lower pipe is fixedly connected to the center between the two fixing devices on the lower portion, an upper pipe is fixedly connected to the center between the two fixing devices on the upper portion, and the center of the outer side of the upper end of the upper pipe is sleeved with a protection device. According to the bicycle frame, the requirement for the detachability of the lower pipe and the upper pipe is met through the fixing device, a user can conveniently and rapidly assemble, disassemble, maintain and replace the bicycle frame, the user can rapidly replace a damaged or outdated part, the whole bicycle frame is prevented from being replaced, the damage cost is reduced, and the service life is prolonged.
Owner:太仓源壬金属科技有限公司

Fixing device and clamp

The invention belongs to the technical field of clamps, and discloses a fixing device and a clamp. The fixing device comprises a pressing claw, a guiding mechanism and a driving mechanism. The pressing claw is used for applying downward pressure to the product so that the product can be fixed to the preset position. The guide mechanism comprises a guide groove arranged along a preset path, and the pressing claw is in sliding fit with the guide groove and has a loosening position and a pressing position. When the pressing claw in the fixing device provided by the invention is switched to the loose position, the pressing claw only needs to move to the inclined upper part of the product along the guide groove, so that a taking and placing area can be avoided, a vertical movement space does not need to be reserved, a taking and placing mechanism does not need to adjust a movement track for avoiding the pressing claw, additional extension of a taking and placing path is avoided, and the production efficiency is improved. And meanwhile, an additional coordinated action time sequence is not needed between the taking and placing mechanism and the pressing claw, the motion control logic is simplified, finally, time consumed in the product taking and placing process is shortened, and the overall machining efficiency is effectively improved.
Owner:SUZHOU XIMENG INTELLIGENT EQUIP CO LTD

Clip-In Fixation Device

Disclosed is a fixation device that secures cylindrical items, like pipes or cables, to an external structure, such as a vehicle, without tools. The device features a clip-in part that deforms to allow insertion of the item. The clip-in part then reshapes to a closed state and holds the item securely. A frame part attaches the device to the carrier. A spring element part connects the clip-in and frame parts, allowing the clip-in part to move from a neutral position to a locking position where it touches the frame part. This design ensures high reliability and vibration-damping for the attached item.
Owner:HELLERMANN TYTON GMBH

QUICK RELEASE MOBILE DEVICE MOUNT

Disclosed herein are exemplary mobile device mounts having an adjustable retaining fixture for adjustably sizing a mobile device enclosure. The adjustable retaining fixture may include one or more adjustable arms extending from the body of the device mount. The adjustable retaining fixture may also include a corresponding number of engagement members disposed at the ends of the one or more adjustable arms. The one or more adjustable arms and the one or more corresponding engagement members may move from an unbent state to a bent state when a mobile device is inserted into the enclosure and may be biased, for example, by spring elements, to return to the unbent state when the mobile device is removed from the enclosure.
Owner:DEERE & CO

Intelligent maintenance platform utilizing characteristics of fan blade

The invention discloses an intelligent maintenance platform utilizing the characteristics of a fan blade, and relates to the field of fan blade maintenance equipment, the intelligent maintenance platform comprises a mounting seat, a first clamping platform and a second clamping platform, the first clamping platform and the second clamping platform are movably connected to a mounting frame through a holding driving device, the mounting frames are fixed to the upper side and the lower side of the mounting base, the first clamping platform and the second clamping platform are provided with fixing devices and moving devices, and the first clamping platform or the second clamping platform is provided with at least one set of load mechanical arm assemblies or other working condition overhauling devices. The device is reasonable in layout and compact in structure, multiple devices work cooperatively, automatic and accurate butt joint and stable fixing of the fan blades can be achieved, the device adapts to curvature changes of the surfaces of the blades, then the stable and reliable clamping state is kept, the adaptability is remarkably improved, and therefore the overhaul task at any position of the fan blades in the shutdown and blade collection state is achieved.
Owner:YANCHENG INST OF TECH

Fixing device and fixing structure for article attaching member

A fixing device for an article attaching member that makes it possible to fix with sufficient strength an article attaching member, to which a desired article or articles is / are capable of being attached, to a fragile wall surface made of gypsum board or the like by easy work, is provided.In a state where a first engaging portion 14 and a second engaging portion 15 are contacted with a wall surface 50a, nails 20 inserted respectively through guide holes 14a and 15a of the first and second engaging portions 14 and 15 are pushed into the wall surface 50a, thereby engaging the first and second engaging portions 14 and 15 with the wall surface 50a. An engaged portion 41 of an article attaching member 40 is inserted into a space S formed by an engagement wall 11 and the first and second side walls 12 and 13, and the engaged portion 41 of the member 40 received in the space S is engaged with the engagement wall 11, thereby fixing the member 40 to the wall surface 50a at a desired location. It is preferred that the engaged portion 41 and the engagement wall 11 are connected together using a connecting means (for example, a screw member, a nail or pin, a glue, an adhesive, a magnet, etc.).
Owner:DANDORI VIS CO LTD

Fixing device

The utility model belongs to the technical field of fixation and connection between objects, and particularly relates to a fixing device. Comprising a fixing part and a fastening part, the fixing part is provided with a connecting part and a buckling part, the fastening part is movably arranged on the connecting part and used for fastening the buckling part, the buckling part is provided with a plurality of annularly-arranged buckling strips, a spacing area is formed between every two adjacent buckling strips, and one end of each buckling strip is provided with an inserting part used for being inserted into a mounting hole. And the buckling part has a loosening state in which the plurality of inserting parts are separated and an inward retracting state in which the plurality of inserting parts are gathered. During installation, the buckling part is tightened to form an inward contraction state and is directly clamped into an installation hole in a target object, then the buckling part is loosened to return to a relaxed state, and the buckling part can be clamped into the installation hole to complete installation; and during disassembly, the buckle part is tightened to form an inward shrinkage state, and then the buckle part is directly pulled out from the mounting hole to finish disassembly, so that the disassembly is very convenient and labor-saving.
Owner:TAIZHOU KEJIA FLUID CONTROL TECHNOLOGY CO LTD

Splicing and fixing device for aluminum profile door and window machining

The utility model relates to the field of aluminum profile door and window machining auxiliary equipment, and discloses an aluminum profile door and window machining splicing fixing device which comprises a first operation table, a second operation table, a threaded rod, a U-shaped plate, supporting legs, a storage mechanism, a clamping mechanism and a locking mechanism. The threaded rod penetrates through the first operation table in a threaded mode, the U-shaped plate is fixed to the lower surface of the second operation table, the supporting legs are rotationally arranged on the U-shaped plate, and first sliding grooves are formed in the first operation table and the second operation table. According to the splicing and fixing device, supporting legs can be folded conveniently, a clamping mechanism can be stored conveniently, the whole device occupies a smaller area and is convenient to transport, in addition, the positions of a second operation table and a sliding block can be flexibly adjusted conveniently according to the models of aluminum profile doors and windows, and the applicability is higher.
Owner:HANGZHOU YAOHUI GLASS CO LTD

Charging basket fixing device and pressure plate pump device

The utility model relates to a charging basket fixing device and a pressure plate pump device. The material barrel fixing device comprises a first hoop and a second hoop. The first hoop is used for sleeving the barrel body, the second hoop is used for sleeving the flange, the second hoop sleeves the first hoop, and the first hoop and the second hoop define a limiting space for accommodating the flange. During installation, the first hoop sleeves the barrel body, the second hoop sleeves the flange, meanwhile, the flange is located in the limiting space, and the end face of the first hoop limits the flange so as to limit the material barrel to move in the direction away from the supporting base. Thus, under the cooperation of the first hoop and the second hoop, the material barrel is fixed relative to the supporting base, the empty material barrel is prevented from moving up and down along with the pump body, an operator can conveniently and rapidly replace the material barrel, meanwhile, fingers are prevented from being squeezed when the operator manually replaces the material barrel, and the operation safety is guaranteed. In addition, by arranging the first hoop, the structural strength of the material barrel fixing device can be improved through the first hoop, and deformation of the material barrel fixing device is prevented.
Owner:TONGWEI SOLAR ENERGY (SICHUAN) CO LTD

Fixing device, fixing method, processing device, and chip manufacturing method

PendingJP2026100439AFixed frameRetainer (device)
This reduces the likelihood that devices contained in a plate-like material will be damaged and / or that chips manufactured from the plate-like material will detach from the first and / or second sheets due to the application of external force to the plate-like material. [Solution] A fastening device for fastening a second sheet to a frame unit, which includes a frame having a through hole formed therein, a first sheet whose outer edge region is fixed to the frame so as to close one end of the through hole, and a plate-like object fixed to the central region of the first sheet so as to be positioned in the through hole, wherein the fastening device comprises a holding mechanism for holding the frame unit and a fastening mechanism for fastening the second sheet to the frame unit, the holding mechanism including a holding portion for applying an attractive force to the plate-like object through the central region of the first sheet and a raised portion for raising an intermediate region of the first sheet located between the outer edge region and the central region toward or beyond the other end of the through hole.
Owner:DISCO CORP

Overshoe for a shoe

ActiveDE102024106102B4Front edgeRetainer (device)
Overshoe (1) designed to accommodate a shoe (140) worn by a person, comprising: - a sole (15), - a front edge (20), - a front edge cover (25) adjoining the front edge (20), and - a shaft (30) adjoining the front edge cover (25) with a first shaft section (35) and a second shaft section (40), each extending from an upper shoe edge (45) to a lower shoe edge (50) adjacent to the sole (15) and separated from each other by a gap (55) extending from the upper shoe edge (45) to the lower shoe edge (50) in a heel area (5) of the overshoe (1), - a shaft front section (60) located on a region of the shaft (30) opposite the gap (55), - an overlap section (65) located on one of the two shaft sections (35,40) and extends from the upper shoe edge (45) to the lower shoe edge (50) and selectively closes the gap (55) or opens it, forming an opening (190), and- at least one fastening means (115) attached to the shaft (30), which is configured to detachably fasten the overlap section (65) to the shaft (30), characterized in that- the overlap section (65) has a first overlap subsection (70) extending from the upper shoe edge (45) to a first end region (85) located away from the sole (15), wherein the distance of the outer edge (90) of the first overlap subsection (70) from an edge (95) opposite the front edge (20) of the first shaft section (35) or of the second shaft section (40) increases up to the first end region (58),- the overlap section (65) has a second overlapping subsection (75) haswhich extends from the first end region (85) to a second end region (100) adjacent to the sole (15), wherein the distance of the outer edge (105) of the second overlap section (75) from the edge (95) opposite the front edge (20) of the first shaft section (35) or the second shaft section (40) decreases up to the second end region (100), - the overlap section (65) is designed to at least partially cover the shaft front section (60) when the overshoe (1) is closed, - at least one electrical heating element (170) is located at least partially on the front edge cover (25), at least partially on the sole (15), at least partially on the first shaft section (35) and / or at least partially on the second shaft section (40), - at least one energy storage device (130) is provided which supplies the at least one heating element (170) with electrical energy at least temporarily,and- at least one operating device (110) is operatively connected to at least one heat medium (170) and / or at least one energy storage device (130).
Owner:FLEMMER KATHARINA +1

A combined fixing device for a plurality of pipes

ActiveCN224414525URealize double limitless attachmentsStructural engineeringPipe
The utility model discloses a kind of multiple pipelines joint fixing device, including supporting plate, support and fixed mechanism, supporting plate is by the length same inner supporting plate and outer supporting plate long side alignment splicing composition, inner supporting plate and outer supporting plate are respectively symmetrical with multiple semicircular holes in its contact surface, support includes the supporting arm of spacing matching supporting plate length, the outside end of two side supporting arms is respectively connected with the both ends of a connecting arm, the length direction both sides of inner supporting plate and outer supporting plate are provided with supporting plate fixed hole along supporting plate width direction, the both sides of connecting arm are provided with the through support fixed hole corresponding supporting plate fixed hole, fixed mechanism includes fixed bolt and locknut, fixed bolt passes through support fixed hole, the supporting plate fixed hole of inner supporting plate and outer supporting plate, end head installs locknut and tightens fixed inner supporting plate and outer supporting plate and the multiple pipelines needing to be fixed.The utility model solves the problem that traditional wood supporting plate is easy to deviate and fall off, and the device is easy and efficient to operate, suitable for multiple pipeline installation scene.
Owner:山西七建集团有限公司

Fixing device of cast-in-place arch bridge formwork

The utility model provides a fixing device of a cast-in-place arch bridge formwork, relates to a building construction fixing and supporting technology, and particularly discloses a supporting seat used for supporting a steel formwork and a base installed on a supporting platform, a hinge piece connected with the base in a rotating mode is installed on the supporting seat, and an inclined supporting frame used for supporting the supporting seat is arranged on the base. The side wall, opposite to the steel formwork, of the supporting base is provided with a supporting structure matched with the supporting base in a self-adaptive mode. The supporting seat can rotate by 0-180 degrees on the base under the cooperation of the hinge piece, so that the lower end steel template is supported at different angles; the inclined supporting frame, the base and the supporting seat form a relatively stable triangular structure, so that the supporting effect of the structure on the steel formwork is improved, and the problems of collapse and the like are avoided; the supporting structure can deflect by a certain angle on the supporting seat, so that the supporting structure is self-adaptive to the steel formwork, a gap between the supporting seat and the steel formwork can be reduced, the supporting seat and the steel formwork are attached more tightly, and the steel formwork is supported more stably.
Owner:SICHUAN ROAD BRIDGE & BRIDGE ENG CO LTD +1

A center holding mechanism and a gas insulated switchgear

The application discloses a kind of mid-position holding mechanism and gas insulated switchgear in the technical field of electric power switch equipment, mid-position holding mechanism includes compression spring, straight line rod, mid-position holding cylinder, spring fixing device and spring sealing device, the straight line rod is fixed by spring fixing device into the compressed state of less than compression state when preloading, the mid-position holding cylinder is opened along the axis straight line cavity and both ends are opened, respectively, and spring sealing device is used to seal the compression spring in the straight line cavity, the compression height of the compression spring is less than the length of the straight line cavity of the mid-position holding cylinder, the scheme solves the problem of two compression springs in the prior art, and the cost performance is poor, and the beneficial effects of simplifying the structure, saving cost and reducing the volume are achieved.
Owner:JIANGSU DAQO CHANGJIANG ELECTRICAL

Counterweight bolt dismounting wrench lifting tool

ActiveCN224674781UExcavatorRetainer (device)
The utility model discloses a counterweight bolt dismounting wrench lifting tool, including wrench adjusting device, fixing device and elevating gear, the wrench adjusting device includes the clamping groove device and rotating mechanism, and the clamping groove device is used for placing and lifting wrench, the rotating mechanism is installed at one end of clamping groove device, is used for adjusting the angle of wrench, elevating gear is installed on fixing device, and is connected with clamping groove device below, is used for adjusting the height of clamping groove device, and then adjusts the height of wrench, fixing device is used for supporting wrench adjusting device and elevating gear. This counterweight bolt dismounting wrench lifting tool changes the working mode of excavator counterweight bolt dismounting by originally two people cooperation use traveling crane to lift the wrench into the working mode of single person using tool to lift the wrench, reduces the security risk of wrench drop, and reduces personnel configuration, improves assembly efficiency, reduces manual cost.
Owner:XCMG EXCAVATOR MACHINERY CO LTD