45results about How to "Easy fine-tuning" patented technology

The utility model discloses an adjustable television connection hanger belongs to television installation equipment technical field, including wallboard, adjusting arm, hanging board, connecting plate, crosspiece and hook adapter, the wallboard is connected with the hanging board through adjusting arm, the connecting plate is fixed in one side of hanging board, the crosspiece is two, two crosspiece symmetry is installed in the connecting plate, the hook adapter is two, and is installed with the inner hook on the hook adapter, the hook adapter cooperation inner hook is installed on the crosspiece, be equipped with the pitch adjusting bolt on the inner hook, two extension rods are movably connected in the crosspiece, the bottom of crosspiece is fixed with a plurality of cable fixer. This adjustable television connection hanger not only reduces the transportation cost, guarantees the stability after television installation simultaneously, and is suitable for different size television, and can effectively fix cable.

The utility model relates to a large H-shaped frame welding tool which comprises a rotating base composed of a circular plate, a support and supporting legs, and the rotating base can be controlled by a motor to rotate. Supporting rods are symmetrically arranged on the upper portion of the circular plate, a foundation plate is arranged on the tops of the supporting rods, and a first supporting plate and a second supporting plate are hinged to the foundation plate through second rotating shafts; a clamping groove is formed in the upper surface of the foundation plate, and a push rod is arranged in the clamping groove and can adjust the opening and closing angle of the first supporting plate and the second supporting plate. The upper portions of the first supporting plate and the second supporting plate are connected with a fixing plate through a third rotating shaft which can adjust the inclination angle of the fixing plate. A round pipe is installed between the first supporting plate and the second supporting plate, and the two ends of the round pipe are provided with fixing buckles connected with an H frame to be machined. The tool is driven by the motor and assisted by the controller, manual fine adjustment is combined, multi-angle positioning and convenient overturning of the H-shaped frame component are achieved, the manual overturning workload is reduced, and the welding fineness is improved.

The utility model belongs to power distribution cabinet technical field, concretely is a kind of power distribution cabinet inside adjustable distribution frame device, including power distribution cabinet body;The support is installed in the inside of power distribution cabinet body;Many groups of fixed blocks are installed on the support;The number of each group fixed block is a pair;Adjusting assembly is equipped on the sliding block;Fixed block side wall is equipped with distribution frame body;First sliding slot is equipped in the fixed block of one side;Screw rod is rotatably connected in the first sliding slot;Distribution frame body side wall is equipped with sliding block;Distribution frame body is rotatably connected on sliding block;Through the above structure, set support and distribution frame body and fixed block, cooperate first sliding slot and screw rod and sliding block, it is convenient to carry out fine adjustment to the height of distribution frame body after distribution frame body is installed in power distribution cabinet body, to reduce the height of distribution frame body when adjusting distribution frame body needs to be removed from power distribution cabinet body again Reinstallation, lead to the situation of cumbersome process.

The utility model discloses a medical cart support welding tool which comprises a bottom plate, mounting holes are formed in the four corners of the top of the bottom plate, a fixed batten is mounted in the center of the top of the bottom plate, a movable plate is mounted on the outer wall of the fixed batten, a reinforcing plate is mounted on the front end face of the movable plate, and the reinforcing plate is mounted on the front end face of the movable plate. An adjusting plate is installed on the rear end face of the movable plate, a groove is formed in the top of the fixed batten, a threaded rod is rotationally connected into the groove, and a threaded plate integrated with the movable plate is installed on the outer wall of the threaded rod. The distance between the first connecting plate and the fixing plate can be adjusted by movably connecting the first connecting block and the first movable groove, so that cart supports with different widths can be adjusted and clamped, and the distance between the second connecting plate and the first connecting plate can be adjusted by movably connecting the second connecting block and the second movable groove. Therefore, cart supports with different heights can be adjusted and clamped.

The utility model discloses a kind of spotlight energy-saving lamps, including LED energy-saving lamp, the surface of LED energy-saving lamp is provided with sliding slot, and the inside sliding connection of sliding slot has slider.The utility model is set to several sliding slots on the surface of LED energy-saving lamp and cooperate with slider connection spotlight cover cylinder, simultaneously utilize the structural design of fixed frame, locking frame, tension spring and slot, so that spotlight cover cylinder can be adjusted position along sliding slot up and down sliding, fixed by the plug-in of locking frame and the slot of different position, simple and convenient operation.This structure does not need complex drive system, greatly reduces production manufacturing cost, and the setting of tension spring can ensure that locking frame is stably plugged, avoid spotlight cover cylinder to slide randomly, simultaneously extend spotlight pipe is connected with containing groove by thread, can adjust extension length according to need, to realize flexible spotlight adjustment, overall structure is simple and reliable, convenient to use, the device has the advantages of simple structure, convenient for spotlight adjustment and convenient to use.

This utility model discloses an adjustable-spacing transformer and rectifier mounting base, specifically relating to the field of transformer and rectifier installation technology. It includes a base crossbeam and two mounting frames located above the base crossbeam. Each mounting frame includes two mounting longitudinal plates and a second mounting transverse plate welded between the two longitudinal plates. After equipment installation, if the spacing between the transformer and rectifier is incorrect, external tools can be used to connect positive and negative lead screws and drive them to rotate. This causes the sliders to move away from each other, and through linkage transmission, the base plate moves downwards into the inner side of the base crossbeam, reducing friction between the mounting frame and the base crossbeam, facilitating fine-tuning. Furthermore, no holes need to be drilled in the base crossbeam before adjustment; drilling is only required after the spacing is adjusted. This simplifies the installation process, improves installation efficiency, avoids damage to the structural strength of the base crossbeam from excessive drilling, and extends the service life of the base.

The utility model discloses a pipeline structure for urban and rural planned drainage, which is characterized in that a passive hoop is fixed on a support, a spring can enable the support to be close to a connecting plate in a free state so as to drive the passive hoop to be close to the connecting plate, the connecting plate is fixed below a pipe clamp, and when the pipe clamp is fixed on a transverse pipeline, the passive hoop can be close to the pipe clamp so as to drive the pipe clamp to be close to the connecting plate. The fixing end of the blocking plate is fixed to the lower portion of the connecting plate, and before the sealing gasket is placed, the passive clamp is pulled out firstly by the mounting personnel, so that the passive clamp is prevented from falling off, the mounting personnel do not need to hold the clamp to prevent the passive clamp from falling off, and the mounting personnel can sleeve the clamp conveniently, the operation difficulty is reduced, the labor intensity is reduced, and the mounting efficiency is improved; and in order to prevent the spring from retracting, the free end of the blocking plate is pushed to the position between the spring and the step, the passive hoop is kept in the pull-out state, and the passive hoop can be located at the position away from the pipeline.

The utility model discloses a steel structure assembling and connecting device, which belongs to the technical field of steel structure installation and comprises a steel beam and a steel frame, a support frame is placed on the steel beam, a plurality of reinforcing plates are fixedly connected onto the support frame, and an installation plate and a connecting plate are connected onto the support frame. A plurality of rolling wheels are rotationally connected to the connecting plate and the supporting frame, a jack for jacking the steel frame to move is connected to the bottom of the mounting plate, the jack is fixedly mounted on the supporting frame, a limiting mechanism is arranged on the mounting plate, and the limiting mechanism comprises a two-way lead screw, sliding blocks and clamping blocks, and the sliding blocks and the clamping blocks are symmetrically arranged. Through cooperative use of the devices, the supporting frame can slide on the steel beam, the steel frame is limited through the clamping blocks in the limiting mechanisms on the mounting plate and prevented from sliding off from the mounting plate, then the steel frame on the mounting plate is jacked to move by means of the jacks, and fine adjustment of the steel frame is facilitated through cooperation of the rollers and the jacks.

The invention relates to the technical field of craniocerebral injury biomechanical analysis, discloses a semi-automatic craniocerebral injury index CSDM extraction method, and aims to improve CSDM extraction efficiency, applicability and flexibility. The method comprises the following steps: a brain tissue area display state pre-selection step: importing a head model simulation result file into post-processing software, screening and retaining brain tissue entity unit components, hiding irrelevant components and recording parameters; a strain and volume frame-by-frame output step: compiling an automatic script based on a post-processing software secondary development function to realize frame-by-frame output of unit data; and an automatic operation step: automatically calculating the CSDM value of each frame based on the output file through a Matlab calculation program. According to the method, the problems that manual extraction is low in efficiency and prone to errors and a full-automatic method is poor in universality are solved through a manual preprocessing and automatic calculation fusion mode, and the method is suitable for various head models and supports craniocerebral injury mechanism research and clinical assistance.

The utility model relates to the technical field of auxiliary fascia console sliding, and discloses a driving mechanism for a sliding fortress of an automobile auxiliary fascia console, which comprises a lower slide rail, two groups of mounting plates are fixedly mounted at two ends of the outer side of the lower slide rail, and the mounting plates are fixedly mounted on the lower slide rail. An automobile instrument is arranged on the outer side of the lower sliding rail, and a driving mechanism is arranged on the outer side of the lower sliding rail. According to the driving mechanism for the automobile auxiliary fascia console sliding fortress, in order to enable the device to adapt to different driving scenes and operation requirements, the driving mechanism is arranged, the driving mechanism is matched with a first motor of an upper sliding frame to be matched with a gear and a rack of a lower sliding rail, gear and rack transmission is formed, and accurate linear displacement is achieved; a second motor drives a threaded rod to be matched with a threaded groove of a connecting block, stable and powerful propelling force is provided, and the position of the upper sliding frame is adjusted in an auxiliary mode; and the third motor drives the worm and the worm gear to transmit, so that the fine adjustment and positioning precision in the moving process is further optimized.

This utility model relates to the field of battery racks and provides a micro-adjustable telescopic battery rack, including a rack body, a first rack, and at least one second rack telescopically mounted on the first rack. The first rack and the second rack are telescopically connected by at least one first connecting part, which includes an outer tube and an inner tube. The outer tube can be fitted onto the inner tube, and the inner tube has a fixing hole. The outer tube has at least one pair of first elongated holes and second elongated holes. At least two first gaskets are detachably mounted in the at least one first elongated hole. The positions of the first positioning holes on the at least two first gaskets are different. Each first gasket has at least one first positioning hole. A fixing member passes through the fixing hole and the first positioning hole, and the fixing member can pass through the first rack and the second rack for fixation. By selecting different first gaskets, micro-adjustment can be achieved, making it suitable for battery packs of different sizes and solving the technical problem of the difficulty in achieving micro-adjustment of telescopic battery racks.

The invention relates to the technical field of automobile accessories, and particularly discloses a telescopic anti-freezing device for automobile glass. The winding mechanism is arranged in the winding sleeve, and the winding mechanism comprises a mounting plate; according to the anti-freezing cover winding device, through the arrangement of the mounting plate, the rotating hand wheel, the mounting frame and the adjusting plate, when the anti-freezing cover is wound, the winding wheel can be driven to rotate on the rotating seat by rotating the hand wheel, so that the anti-freezing cover can be wound outside the winding wheel, at the moment, the scraping and sweeping plate abuts against the outer portion of the anti-freezing cover, and the anti-freezing cover can be scraped through rotation of the adjusting wheel; according to the anti-freezing device, the position of the adjusting plate can be adjusted on the threaded rod, fine adjustment of the position of the scraping and sweeping plate can be conveniently conducted when the scraping and sweeping plate abuts against the anti-freezing cover, and therefore rain and snow on the surface of the anti-freezing cover can be automatically scraped and swept when the anti-freezing cover is wound through abutting and limiting of the scraping and sweeping plate on the anti-freezing cover, and the use functionality of the anti-freezing device is improved.

The utility model discloses a kind of super-thick prefabricated thermal insulation wallboard installation fixed components, including prefabricated GLC board and cast-in-place concrete beam, the lower portion of cast-in-place concrete beam is provided with embedded part, and the upper portion of prefabricated GLC board is connected with cast-in-place concrete beam by cast-in-place concrete beam bottom embedded part. The middle of the prefabricated GLC board is provided with thermal insulation layer, fixed screw rod is inserted into prefabricated GLC board from thermal insulation layer side, and the inner side of GLC board is provided with connecting piece, connecting piece is L-shaped, top and cast-in-place concrete beam bottom embedded part are connected, fixed screw rod is threaded through prefabricated GLC board and passes through connecting piece, and is fastened using nut. The super-thick prefabricated thermal insulation wallboard installation fixed component can realize the quick installation and fixation of super-thick prefabricated wallboard, is convenient and fast for construction, green and environmental protection, and is conducive to prefabricated wallboard installation quality control.

The utility model belongs to the technical field of medical apparatus and instruments, concretely relates to a minimally invasive atlas and axis internal fixation device, including base, the outside fixed connection of base has the mounting panel, the inside sliding connection of mounting panel has the bolt, the upper end contact of base has the connecting plate, the upper end fixed connection of connecting plate has the clamping plate, the inside clamping of clamping plate has the connecting rod, the lower fixed connection of connecting plate has the sliding block, the sliding block is connected with base. This minimally invasive atlas and axis internal fixation device is clamped connecting rod through a plurality of even distribution's clamping plate, can steady connecting rod from multiple directions, greatly enhanced the stability of fixed. The sliding connection of cooperation guide rod and sliding block and the adjusting effect of threaded rod, can accurate adjustment position. In operation, the doctor can more conveniently install the device to the position, ensure the fixed effect, help the patient postoperative recovery, reduce the risk because of the fixed instability brings.

This utility model discloses a fixed support for formwork in construction engineering, comprising multiple support units arranged in a rectangular array, with each pair of adjacent support units connected by a reinforcing frame. Each support unit includes a support column and a height-adjusting column. The support column includes a base column with a base at its bottom and an adjustable column that can be finely adjusted vertically. The bottom of the height-adjusting column is inserted and fixed to the top of the adjustable column. This utility model, through the cooperation between the support column, the height-adjusting column, and the support base, allows for flexible adjustment of the overall support height according to installation height requirements, easily adapting to different installation environments and requirements. It offers high flexibility and is simple to operate.

The present application relates to the technical field of energy storage battery, in particular to an energy storage battery and a module heat insulation drainage plate and a temperature and pressure collecting line heat insulation structure, the energy storage battery comprises a battery module, the top of the battery module is provided with a module end plate, the module end plate is provided with an electric core explosion-proof valve, further comprising a heat insulation drainage plate, the heat insulation drainage plate covers above the module end plate, the heat insulation drainage plate is provided with a plurality of through holes and the upper surface is covered with a heat insulation sheet, the heat insulation sheet can withstand high temperature above 600 DEG C, further comprising a temperature and pressure collecting line heat insulation structure, the temperature and pressure collecting line is located in the inside of the battery module, the temperature and pressure collecting line heat insulation structure comprises a temperature and pressure collecting line and a heat insulation pipe wrapped outside, the heat insulation pipe can withstand high temperature above 600 DEG C.The present application can isolate the high temperature and high pressure mixed combustible gas liquid outside the module, prevent the high temperature and high pressure mixed combustible gas liquid from falling to the top of the electric core, prevent the secondary heating of the electric core; it can ensure that each conductive wire harness is separated from each other, completely isolate the situation of mutual lap and internal short circuit.

This utility model relates to the technical field of reactor production equipment, and in particular to a reactor assembly fixture, including a coil positioning component and a yoke positioning frame. The coil positioning component is located inside the yoke positioning frame. The coil positioning component includes a base plate, a front side plate, and a rear side plate. The front side plate is located at the front end of the base plate, and the rear side plate is located at the rear end of the base plate. Three sets of U-shaped grooves corresponding to each other are respectively opened on the front and rear side plates. The U-shaped grooves are arranged at intervals along the length direction of the base plate, and the horizontal height of the bottom of the U-shaped grooves is higher than that of the base plate. The yoke positioning frame includes a front clamp and a rear clamp arranged opposite to each other, and several tie bolts connecting the front clamp and the rear clamp. The front side plate corresponds to the position of the front clamp, and the rear side plate corresponds to the position of the rear clamp. This utility model can improve the assembly efficiency of three-phase iron-core reactors and improve the consistency of product performance.

The utility model relates to a machining automation trimming device with a protective device, which comprises a cutting disc rotatably connected in a mounting seat, splash-proof baffles are symmetrically arranged at two ends of the mounting seat, the splash-proof baffles are detachably connected to the mounting seat through a protective assembly, and the protective assembly comprises a mounting block fixedly connected to the end part of each splash-proof baffle. The side, abutting against the splash-proof baffle, of the installation base is inwards concavely provided with an installation groove allowing the installation block to be inserted and slide, a positioning groove allowing the positioning rod to be vertically inserted for locking is formed in the installation groove towards the installation base, the other end of the positioning rod penetrates through the installation block and is fixedly connected with a positioning magnet, and a fixing rod extending horizontally is fixedly arranged in the middle of the installation block. The fixing rod is sleeved with and slidably connected with a moving plate, a first magnet repelling the positioning magnet and a second magnet attracting the positioning magnet are arranged on the moving plate at intervals, the mounting base and the splash-proof baffle can block and protect cutting chippings, meanwhile, disassembly is convenient, and the practicability is high. And groove body chips in the mounting seat and the splash-proof baffle are convenient to clean.

This invention relates to the field of microphone technology, and more particularly to a telescopic directional microphone. The invention provides such a telescopic directional microphone, comprising a base, a controller, a stabilizing plate, a connecting block, a sleeve, a telescopic rod, and a socket block. The controller is mounted on the left side of the base, and the stabilizing plate is mounted on the top left side of the base. The connecting block is connected to the top of the stabilizing plate, and the sleeve is rotatably connected to the connecting block. The telescopic rod is slidably connected inside the sleeve, and the socket block is rotatably connected to the right end of the telescopic rod. The microphone is snapped onto the socket block and electrically connected to the controller. With the coordinated operation of the first, second, and third motors, the microphone can achieve omnidirectional adjustment in horizontal, forward / backward, and vertical tilt angles, adapting to various sound recording scenarios and accurately capturing sound signals.

The utility model relates to a logistics field especially relates to a roller machine blocking mechanism, including two crosspieces, a plurality of connecting bars are connected between two crosspieces, a group of long waist holes are set up on the crosspiece, the crosspiece detachably connects with the crosspiece, the fixed seat is fixed between two crosspieces, the fixed seat is fixed with the speed reducer motor, the output shaft of speed reducer motor is fixed with the crank, the crank is fixed with the first bearing, the first bearing sets up in rectangular groove, rectangular groove sets up on the blocking plate, the blocking plate is equipped with the limit structure, the utility model discloses the setting of long waist hole etc. Structure can realize the fine adjustment of the position of blocking plate between two rollers, not only convenient adjustment, and greatly improve the accuracy of the material blocking position, the utility model sets up the limit structure on the blocking plate, instead of setting on double chain roller machine, thus saves the step of installation, not only plays good limiting effect, and greatly improves the efficiency of installation.

The utility model relates to the technical field of oral medical treatment for children, in particular to a CBCT (cone beam computed tomography) guided 3D (three-dimensional) printing personalized distal guide plate gap retainer, which comprises an abutment fixing sleeve and a distal guide plate vertical plate, a mounting mechanism is arranged between the abutment fixing sleeve and the distal guide plate vertical plate, and anti-licking mechanisms are arranged on the inner sides of the abutment fixing sleeve and the distal guide plate vertical plate. The abutment fixing sleeve and the distal guide plate vertical plate are formed by 3D personalized printing under the guidance of CBCT (cone beam computed tomography), the abutment fixing sleeve can be accurately matched with the anatomical form of an abutment, the distal guide plate is ensured to be perfectly attached to the mesial adjacent surface of an ungerminated first permanent molar of a child, and the abutment fixing sleeve is sleeved on the abutment, so that the abutment fixing sleeve can be used for fixing the first permanent molar of the child. Then, a rotating rod is screwed to drive a driving bevel gear and a driven bevel gear to rotate in a meshed mode, a lead screw rotates to push a hollow pipe to move outwards, a vertical plate of a distal guide plate is pushed to move to the mesial adjacent face where a first permanent molar is not germinated for installation, and the gap length of a gap retainer can be finely adjusted along with child development.

The utility model relates to the technical field of assembly type component transportation, concretely to an assembly type component transportation device, including base, the base is provided with multiple placing table on the symmetry, each placing table all has the support frame of sliding installation, the support surface of support frame and the placing surface of placing table are perpendicular to each other, and the placing surface of placing table is seted up with the installation sliding slot, the bottom of support frame is provided with the installation sliding strip, and the installation sliding strip is slidingly arranged in the installation sliding slot, and the placing table is provided with locking structure in cooperation with the installation sliding strip, the surface of placing table is evenly provided with multiple moving rollers, the surface of moving roller is provided with shock pad, the surface of support frame is provided with antiskid pad, and the both sides of support frame are provided with limit structure, the utility model can improve the loading convenience, and simultaneously, is convenient for dismantling when not using support frame, realizes the stacking storage.

The utility model provides a vacuum pump noise reduction structure, include: the exhaust port department of vacuum pump rotor chamber bottom is installed with the detachable plug -in pipe, the box cover setting is in vacuum pump rotor chamber downside, the box body is installed to the box cover lower surface, the muffler is installed in the box body, the air inlet end of muffler is installed with the butt joint pipe, butt joint pipe is away from the one end of muffler and extends to the upside of box cover, butt joint pipe is pasted with seal cover in, the plug -in pipe lower extreme is inserted in seal cover, the air outlet end of muffler is installed with the connecting pipe, the one end of connecting pipe is away from muffler and extends to the outside of box body, the support board is set up on the plug -in pipe and is connected with plug -in pipe through screw, the both ends of support board all extend to the outside of vacuum pump rotor chamber, the both ends of support board all are connected with box cover through connecting piece, the utility model has the following advantages: realize convenient connection silencer and vacuum pump rotor chamber.

The utility model discloses a large-scale venue humidity adjusting plate installation structure, which comprises a keel frame and a plate body, a movable seat is slidably sleeved on the keel frame, a connecting rod is installed inside the movable seat through a rotating mechanism, the rotating mechanism is used for driving the connecting rod to rotate, a fixed seat is fixed at the end part of the connecting rod, and the fixed seat is fixed on the keel frame. Two clamping blocks are installed on the fixing base through a moving mechanism, two clamping bases are fixed to the side edge of the plate body, and the clamping blocks are clamped into the clamping bases. According to the utility model, the clamping block and the clamping seat can be clamped or separated, so that the plate body is convenient to mount and dismount; and the connecting rod can drive the fixed seat to rotate through the rotating mechanism, so that fine adjustment of the mounting angle of the plate body is facilitated.

The utility model discloses a support frame for cast-in-place concrete floor slab relates to building construction technical field, including vertical pipe, and the outer wall of vertical pipe is equipped with detachable connection's horizontal pole, adjustable jack -up, installs at the top of vertical pipe, and adjustable jack -up is by the head of jack -up rod and jack -up, and the outer wall fixed connection of jack -up rod has abutment disc, lengthening sleeve, and the outer wall of jack -up rod is movably sleeved, and the top of lengthening sleeve and the bottom of abutment disc are mutually abutted, and the bottom of lengthening sleeve and the top end of vertical pipe are adjustably fixedly connected through locking mechanism, main keel, installs at the top of jack -up head, and the top of main keel is equipped with with concrete formwork mutually abutted secondary keel, the utility model discloses the lengthening sleeve of setting, equivalent to the " extension arm " of vertical pipe, has provided second -level, wide -range coarse adjustment, and then cooperates the fine adjustment of jack -up screw rod, makes the total adjustment range of whole support frame greatly increase, can cope with various special floor height and local height difference.

The application discloses an ink squeegee device for a screen printing machine and relates to the technical field of screen printing machines.The device comprises a moving frame, a movable frame arranged below the moving frame, an electric push rod fixedly installed at the top of the moving frame, and a movable end of the electric push rod fixedly connected with the movable frame through the moving frame; the top of the movable frame is symmetrically provided with guide rods, the two guide rods are slidably connected with the moving frame; the device further comprises a fixed plate symmetrically arranged at the bottom of the movable frame; after the squeegee body is reset and moved after use, the squeegee body can be automatically cleaned, the two squeegee bodies can be intermittently used, the abrasion of the two squeegee bodies is reduced, the service life is prolonged, and the squeegee body can avoid ink dripping during the cleaning process, thereby avoiding affecting subsequent printing work, avoiding cleaning during shutdown, facilitating continuous printing work, and improving practicability.

The utility model relates to the technical field of automobile suspension spring, and disclose a kind of automobile suspension spring mounting structure, comprising: spring assembly, the spring assembly includes shock absorber, the outside of shock absorber is provided with shock absorbing spring, the top of shock absorbing spring is fixedly connected with spring top plate, the bottom of shock absorbing spring is fixedly connected with spring bottom plate, installation component, the installation component includes cap, clamping block and fixed block, the top of shock absorber is located in cap, thread groove is set in the inner chamber of cap, the top of spring top plate is fixedly installed with threaded sleeve, the top of shock absorber is inserted in the inner chamber of threaded sleeve. This kind of automobile suspension spring mounting structure, by setting installation component, to realize the adjustment of shock absorbing spring telescopic stroke, it is convenient for operator to fine tune the overall damping effect according to own driving style, improve the flexibility of equipment overall use, it is convenient for operator to use.

The utility model relates to a kind of explosion-proof transfer flatcar, involving transfer car technical field, including frame, transfer track, automatic and manual driving device etc..Frame is composed of box girder, end beam etc., high structural strength, and fence is equipped to improve security.Transfer track is detachably installed in the top sink of frame.Automatic driving device contains driving wheel, explosion-proof driving motor etc., can stably drive frame to walk;Manual driving device contains driven wheel, speed reducer etc., when motor fails or needs to fine-tune position, it can be manually or driven by electric wrench.Driving motor and speed reducer output end are all equipped with clutch, can switch power source to make corresponding component be in free state.Frame both ends have parking device, containing fixed seat, telescopic cylinder and brake pad, can realize parking function.The utility model can meet the explosion-proof requirement of dangerous environment operation, with automatic walking, manual or electric wrench fine-tune position and other multiple functions, improve the flexibility and adaptability of use.