35results about How to "Position unchanged" patented technology

The invention discloses a withstand voltage insulation test device for a high-frequency high-speed microwave copper-clad plate, and relates to the technical field of copper-clad plate test.The withstand voltage insulation test device comprises an operation plate and further comprises a fixing device, a placement frame is fixedly installed on the surface of the operation plate, and a withstand voltage insulation detection device is arranged at the bottom of the inner wall of the placement frame; a placing plate is fixedly mounted at the top of the operation plate, an electric push rod is fixedly mounted at the top of the operation plate, a clamping frame is fixedly mounted at the output end of the electric push rod, and an elastic telescopic block moves downwards so that the free end of the elastic telescopic block can make contact with a limiting groove and limit a sliding frame and the clamping frame; the clamping frame is limited by the elastic telescopic block and cannot continuously extrude the copper-clad plate to prevent the copper-clad plate from being deformed due to excessive extrusion, the copper-clad plate is slightly moved or deformed due to excessive clamping to influence the reliability of a test result, the copper-clad plate is prevented from being deformed in a proper fixing mode, and the accuracy of the test result can be further ensured.

The invention discloses a variable exhaust port device of a two-stroke engine, and aims to overcome the defects that in the prior art, although an exhaust hole with a variable opening size is formed in the two-stroke engine, the exhaust efficiency of waste gas is still limited and needs to be further improved when the engine runs at a high speed. According to the technical scheme, a main exhaust hole and an auxiliary exhaust hole are formed in the inner side wall of an air cylinder body, a main exhaust valve for controlling the opening size of the main exhaust hole is arranged in the main exhaust hole, and an auxiliary exhaust valve for controlling the opening size of the main exhaust hole is arranged in the auxiliary exhaust hole; the main control assembly controls the opening size of the main exhaust valve; the auxiliary assembly is connected with the main control assembly and controls the opening size of the auxiliary exhaust hole; wherein the auxiliary exhaust valve is in a normally closed state, and the main control assembly drives the auxiliary assembly and controls the auxiliary exhaust valve to open the auxiliary exhaust hole.

The invention relates to the field of water quality sampling equipment, and discloses an unmanned inspection boat for sampling water quality at a sewage outlet into a river, comprising a hull and a suction component arranged in the hull; the unmanned inspection boat also comprises: a sampling bottle base, fixedly arranged in the hull; a plurality of sampling bottles, inserted and connected to the sampling bottle base in a linear array; a plurality of limiting holes for placing the sampling bottles are opened on the sampling bottle base; a plurality of limiting components, corresponding to the limiting holes one by one; used for limiting the sampling bottles; by placing the sampling bottles into the limiting holes of the sampling bottle base, the corresponding sampling bottles are limited by the limiting components, so as to prevent the sampling bottles from tipping over and causing the sample to flow out when the unmanned boat is shaken, and the sampling bottles are in a sealed state, so that the samples in the sampling bottles will not spill out and contaminate other samples, nor will they be contaminated, resulting in inaccurate detection results, and also avoid the reduction of the sample amount in the sampling bottles during shaking.

The present application relates to a kind of chip glue removal device and glue removal method, its device includes sander, bottom plate, rotating platform and be used for clamping chip clamping linkage mechanism, sander is installed at the one end of the upper surface of bottom plate, rotating platform is slidably arranged at the other end of the upper surface of bottom plate, clamping linkage mechanism is arranged on rotating platform, and can rotate with rotating platform, and clamping linkage mechanism can slide with rotating platform on bottom plate, to approach or away from sander, sander can be polished to the glue of the edge of chip clamped on clamping linkage mechanism remains.By clamping linkage mechanism, chip can be clamped, and the polishing range of chip to sander is adjusted by the sliding of rotating platform to polish, the orientation of chip is adjusted by the rotation of rotating platform, so that the glue on the surface of chip can be removed conveniently by once clamping, simple structure, easy and safe to operate, greatly improve glue removal efficiency, avoid chip damage.

The utility model discloses a rotary fixture for welding processing, which relates to the technical field of fixtures, and comprises a fixing frame mechanism, a rotary driving mechanism is fixed in the middle of the lower end of the fixing frame mechanism, and the upper end of the fixing frame mechanism is connected with a middle clamping mechanism. According to the welding device, a rotation driving mechanism is arranged, a driving motor drives two sets of rotating rollers to rotate in the same direction, a centering clamping mechanism is arranged, threads on the two sides of a bidirectional symmetrical threaded rod are symmetrical, and therefore sliding assemblies on the two sides can move symmetrically; free rotation of the triangular blocks enables the pressing wheels to be in contact with the side ends of the circular pipes, centering fixing is achieved, rotation clamping of the clamp enables the position and the angle of a welding head to be kept unchanged during circular welding, and meanwhile the two sets of devices are arranged in a matched mode, so that synchronous positioning and butt joint of the two sets of circular pipes can be achieved.

The utility model belongs to the technical field of data processing, and particularly discloses a data processing device which comprises a device table, a scanning table is fixedly installed on the device table, a rotating shaft is rotatably connected to the inner surface of the device table, a rotating frame is fixedly arranged on the outer surface of the rotating shaft in a sleeved mode, and an identification instrument is fixedly installed on the outer surface of the rotating frame. The device table is provided with a driving mechanism used for adjusting the recognition angle of the recognition instrument, and the device table is provided with a simple retention mechanism used for stabilizing an object. According to the data processing device, when the scanning visual angle of an object is limited, the device can automatically adjust the position and the angle of a recognition instrument through a motor driving system, it is ensured that the recognition instrument can obtain the optimal scanning angle, then the scanning efficiency and accuracy are improved, equipment operation is relatively simple, the automation degree is high, manual intervention is small, and the device is suitable for popularization and application. The complexity and the cost of operation are reduced, and the data processing efficiency of the object is improved.

The utility model relates to the field of safety nets, in particular to a building safety net with a buffering effect. The technical problems that according to an existing safety net, when a single-layer net piece is subjected to large impact, the impact force is difficult to effectively absorb and disperse, the net piece deforms, loosens or falls off, the ground or the wall face is directly impacted when an object falls off, larger damage is caused, and the protection effect is reduced are solved. According to the technical scheme, the building safety net with the buffering effect comprises a fixing frame, a buffering assembly, a connecting assembly and a protection assembly; the multiple sets of buffer nets are arranged at intervals in a stacked mode, so that stronger buffer and protection effects can be achieved, part of impact force is absorbed, harm of falling objects to the human body is relieved, the impact resistance is improved, safety of workers and materials can be better protected when the workers and the materials fall accidentally, and the overall safety is improved; the multiple sets of partition plates and the buffer springs are connected with the buffer net for buffering and rebounding, impact force is evenly dispersed, the impact force generated during falling is effectively absorbed, and harm to the human body is reduced.

The invention relates to the technical field of thickness measurement, and discloses a wall thickness measuring device and a method for measuring the wall thickness of a turbine engine shell, the wall thickness measuring device comprises a device main body, a console and a rotating mechanism, the console is fixedly installed on the top of the device main body, the rotating mechanism is installed in the device main body, and the rotating mechanism is fixedly installed on the console. And an internal measuring mechanism is mounted in the device main body. The internal detection mechanism and the external detection mechanism are arranged on the inner side and the outer side of the turbine engine shell respectively, and when the thickness of the turbine engine shell is detected, the horizontal part of the turbine engine shell can be detected through horizontal movement of an internal detection sliding block and an external detection sliding block; and then the thickness of the vertical part of the turbine engine shell is detected through the vertical movement of the internal detection sliding block and the external detection sliding block, and the turbine engine shell is kept in a rotating state in the detection process, so that the thickness of the turbine engine shell can be detected in all directions.

The present invention provides a combination device for hydrogen fuel cells, which relates to the technical field of battery assembly, comprising: a base, wherein an assembly low column is fixedly arranged in the middle of the top rear side of the base, and an assembly seat for stacking batteries is fixedly arranged on the top of the assembly low column; two groups of drive frames and two groups of positioning frames are fixedly arranged on both sides of the top of the base; the top sides of the base cooperate with the drive frames and the positioning frames, and a front track module, a middle module and a rear track module are fixedly arranged in sequence from front to back; the present invention is provided with a conveyor belt, and provides a stacking assembly structure, which can streamline the assembly process, and can match the shoulder structure of the triggering support block to carry the battery carbon sheet and convey it, and when the transport frame moves to the rear and moves downward, the triggering support block descends at the same time, and the side of the carbon sheet is put between the guide vertical pole and the movable vertical pole to realize automatic stacking, automate the stacking process, and solve the problem that the existing assembly method is inconvenient for streamlined combination.

The utility model relates to an atomizer fixing support which is characterized by comprising a base, a supporting stand column, a rotating seat, a first swing arm, a second swing arm and a fixing clamp. The lower end of the supporting stand column is installed on the base, the rotating seat is horizontally and rotatably installed at the upper end of the supporting stand column, the first end of the first swing arm is rotatably installed on the rotating seat, the first end of the second swing arm is rotatably installed on the second end of the first swing arm, and the fixing clamp is installed on the second end of the second swing arm. The atomizer fixing support can play a role in supporting and fixing an atomizer, can adjust the height position and the orientation angle of the atomizer, is convenient to use, and can be used by patients with different heights and body positions.

The present invention relates to the field of electromagnetic valves, and discloses a seal installation structure, a moving iron structure and an electromagnetic valve, wherein the seal installation structure includes a seal installation frame and a seal installed on the seal installation frame, the seal includes a sealing surface and a bottom surface arranged opposite to the sealing surface, an opening is arranged on the seal installation frame corresponding to the bottom surface, and the seal can be extruded in the direction of the opening after swelling. The present invention provides an escape opening at the bottom of the seal installation frame, so that the central part of the tail end of the seal is not subjected to force, and when the seal swells, the enlarged part of the seal can be extruded toward the opening of the seal installation frame, so that the stress of the seal is released, thereby ensuring that the position of the seal between the seal position and the sealing position remains unchanged during sealing, and reducing the failure risk of the electromagnetic valve.

The bottle cap iron sheet clamping and moving mechanism with the limiting function comprises a long installation plate, three pneumatic clamps are fixedly installed on the long installation plate at equal intervals, limiting devices are installed at the left end and the right end of the long installation plate respectively in a mirror symmetry mode, each limiting device comprises a fixing block, and the bottoms of the fixing blocks are fixedly installed on the long installation plate. A telescopic rod is vertically and fixedly installed at the top of the fixing block, an L-shaped connecting piece is fixedly installed at the top end of the telescopic rod, an L-shaped groove is formed in the inner side of the L-shaped connecting piece, and the L-shaped connecting pieces on the limiting devices at the left end and the right end are arranged in a mirror symmetry mode towards the inner side. According to the technical scheme, the two corners of the bottle cap iron sheet are inserted into the grooves to ensure that the position of the bottle cap iron sheet is kept unchanged, then the iron sheet is clamped through the pneumatic clamp and moves to the next procedure along with the whole device, it is ensured that the iron sheet is located at the limiting position all the time, and therefore it is ensured that patterns on the bottle cap iron sheet cannot deviate; raw material waste is reduced, and cost is saved.

The utility model provides a connector assembly alignment tool which comprises an installation structure and a fixing structure. The mounting structure is provided with a first mounting groove and a second mounting groove; the number of the first mounting grooves is multiple, and each first mounting groove is used for mounting an SMP connector; the second mounting groove is used for mounting a multi-row pin connector; the fixing structure is detachably connected with the mounting structure, and the fixing structure is used for fixing the SMP connectors and the multi-row pin connectors on the mounting structure. According to the connector assembly alignment tool provided by the utility model, the installation structure is provided with the plurality of first installation grooves used for installing the SMP connectors, and the installation structure is also provided with the second installation grooves used for installing the multi-row pin connectors. The fixing structure is detachably connected with the mounting structure, and the fixing structure is used for fixing the SMP connectors and the multi-row pin connectors on the mounting structure, so that the positions of the SMP connectors and the multi-row pin connectors are ensured to be fixed.

This utility model relates to a braising device for processing braised eggs, including a fixing component and a storage component. The fixing component includes a brine tank and positioning columns. The outer peripheral wall of the brine tank is fixed by multiple columns. Two positioning columns are symmetrically arranged and fixed to both sides of the bottom inner wall of the brine tank. The storage component includes screws and support brackets. Two screws are symmetrically arranged and fixed to two positioning columns. Multiple support brackets are arranged vertically, with each end of the support bracket slidingly passing through two screws. Multiple storage slots are provided on the support brackets. Multiple limiting rings are provided below the support brackets of the bottom support bracket, and the limiting rings are concentrically arranged with the corresponding storage slots on the support brackets. The storage slots below the braised eggs and the limiting rings above them can limit the upper and lower ends of the braised eggs, ensuring that the position of the braised eggs remains unchanged during the braising process. Therefore, it prevents the boiling brine from forcing the braised eggs to collide and break during the braising process.

The invention relates to the technical field of pavement construction, particularly discloses a self-stabilizing template system for ardealite pavement base construction, and solves the technical problems of low stability and insufficient edge rolling support of an existing template in the existing ardealite pavement base construction process. The self-stabilizing formwork system comprises a fixing assembly at least partially arranged underground; the edge supporting piece is perpendicular to the fixing assembly and detachably connected with the fixing assembly; the first inclined supporting piece is obliquely arranged, and the two ends of the first inclined supporting piece are connected with the fixing assembly and the edge supporting piece correspondingly; one end of the second inclined supporting piece is connected with the edge supporting piece, and the other end of the second inclined supporting piece is anchored to the ardealite subbase layer. The device can meet the requirement of edge mechanical rolling, and provides good support for the edges of a base layer and a subbase layer.

This application relates to the field of motor tooling technology, specifically to a tooling device for press-fitting a stator to a housing. The tooling device includes a housing clamp, a press-fitting mechanism, and a spring mechanism. The press-fitting mechanism includes a press-fitting drive component, a mounting post, and a locking component. The mounting post is sleeved on the stator. The press-fitting drive component drives the mounting post to move the stator back and forth between a waiting position and a target position. The locking component locks the stator at the waiting position and unlocks it upon reaching the target position. The spring mechanism includes a movable shaft, a movable drive component, a brush holder, and a spring drive component. The movable shaft is slidably mounted in a sliding slot provided on the mounting post. The movable drive component drives the movable shaft to extend out of its first end. The brush holder is movably sleeved with the output end of the spring drive component. The brush holder and the first through hole are interference-fitted. The spring drive component drives its output end to reciprocate inside and outside the housing through the first through hole. After the stator reaches the target position, the brush holder moves into the housing and pushes against the movable shaft, causing the tension spring to disengage from the movable shaft and engage with the brush holder, which remains inside the housing.

The utility model provides an inspection tool which comprises a sheet bar, a horizontal plane used for being attached to the upper surface of a steel rail and an arc-shaped face used for being attached to the inner side face of the steel rail are machined on the sheet bar, a plurality of first strip-shaped openings arranged at equal intervals are machined in the horizontal plane, and a plurality of second strip-shaped openings are annularly formed in the arc-shaped face at equal intervals. And a positioning piece is arranged at the upper part of one side surface of the sheet bar. The steel rail strengthening processing spot position detection device has the following beneficial effect that whether the position of a steel rail strengthening processing spot is correct or not can be conveniently and intuitively observed.

The utility model discloses a steel belt edge rolling mechanism, which relates to the technical field of steel belt processing, and comprises a base, a speed reducer and a stepping motor, the upper side of the base is fixedly connected with an edge rolling assembly, and the upper end of the edge rolling assembly is provided with an adjusting assembly. Meanwhile, the first driving roller and the second driving roller are mutually horizontal and located on the upper portions of the supports to play a role in connecting the two supports, the coupling is located in the center of the height direction of the supports to further connect the two supports, the structural stability of the two supports is enhanced, and it is guaranteed that the positions of the two supports do not deviate in the edge rolling process; therefore, the positions of the first driving roller and the second driving roller are not changed, and the rolling quality of the steel strip is guaranteed.

The application provides a hydraulic rotary damper and a control method thereof, and relates to the technical field of mechanical damping shock absorption and structural safety protection. The hydraulic rotary damper comprises a shell assembly, a rotor, a vane, a flow cutoff plate and a damping adjustment system. The flow cutoff plate and the vane divide an internal working cavity into a first chamber and a second chamber filled with hydraulic damping oil. A throttling channel is formed in the flow cutoff plate to communicate the two chambers. The damping adjustment system is composed of a pressure sensor, a throttle valve rod, a servo pressure regulating motor and a controller. The controller drives the servo pressure regulating motor to axially displace the throttle valve rod according to the pressure signal fed back by the pressure sensor in real time, changes the flow area of the throttling channel, and realizes dynamic stepless adjustment of damping force. Through closed-loop feedback regulation, the application can be used for offline batch fine adjustment to solve the performance dispersion problem, and can also adaptively match the wind load change in real time during operation, thereby improving the system reliability and power generation efficiency.

The utility model provides a longitudinal adjusting device of a steel beam hoisting system on a bridge fabrication machine, which comprises a lower bottom plate, an upper bottom plate, a locking mechanism and a center hole jack, the lower bottom plate is fixed at the top of a main beam, the upper bottom plate is fixed at the bottom of a front cross beam, and the upper bottom plate is attached to the upper part of the lower bottom plate and is positioned between two groups of longitudinal limiting blocks; the locking mechanism comprises a threaded rod, a locking block and a pushing block, the locking block is fixed to the upper bottom plate or the front cross beam, the threaded rod is horizontally arranged in the longitudinal direction, one end of the threaded rod penetrates through the locking block and is locked on the locking block, the other end of the threaded rod penetrates through the pushing block, and the pushing block is locked and abuts against the outer side of the longitudinal limiting block; the two sets of locking mechanisms are symmetrically arranged, and the center hole jack is arranged on one threaded rod in a penetrating mode and abuts against the outer side of the pushing block in a locked mode through a nut. The longitudinal adjusting device is easy to install, easy to adjust and operate, high in adjusting precision and high in speed.

The utility model discloses a wafer grinding device which comprises a machine table, a cover body arranged on the machine table, and a turntable, a grinding assembly and a driving assembly which are arranged in an accommodating space of the cover body, a containing space is defined by the cover body and the machine table, the rotating disc and the grinding assembly are arranged in the containing space, and the driving assembly is arranged outside the containing space. The grinding assemblies are distributed in the circumferential direction of the rotary disc. The wafer grinding device is reasonable in overall structural layout and convenient to operate, and the safety performance, the component maintenance or replacement efficiency and the production efficiency are improved.

This utility model discloses a die-changing hot melt machine, relating to the field of hot melt machines. It includes a main frame with a heating plate connected to its top. Heating element one and heating element two are respectively connected to both sides of the heating plate. A protective cover is hinged to the main frame. A guide block is rotatably connected to the end of the rotating block two away from the rotating block one. The guide block slides inside a through groove. A fixing frame is fixed between the guide blocks. A pull rod is fixed to the center side of the fixing frame. A spring connects the fixing frame to the through groove. In this die-changing hot melt machine, after the first and second inserts slide out of the heating elements one and two, the heating elements one and two lose their compressive force. At this time, the heating elements one and two can be disassembled and replaced. When the threaded ring slides, it can drive the first insert towards the second insert, and the first insert can drive the sliding groove to slide through the sliding block. The sliding of the first insert towards the second insert changes their lengths.

The utility model relates to jig technical field, specifically is a kind of microwave frequency reducer metal shell processing jig, including magnetic force polishing machine, the both sides of the top of magnetic force polishing machine are equipped with two support legs, the top of the two support legs located in the same side of magnetic force polishing machine is fixedly connected with same drawbar, multiple positioning slots are equipped on the drawbar, same cross bar is clamped between opposite two positioning slots, hooking structure is equipped on the cross bar, the hooking structure includes hook and limiting protrusion, multiple hooks are clamped on the cross bar, limiting protrusion is integrally formed on the hook, clamping between limiting protrusion and cross bar, nut is threadedly connected on the hook, and the nut is in contact between cross bar, fixed structure is equipped on the support leg;Multiple shells can be orderly arranged in the inside of polishing groove, avoid stacking between shell, so as to guarantee the effect of polishing.

The utility model relates to the technical field of welding furnace discharging, and discloses an SMT reflow welding furnace discharging device which comprises a reflow welding furnace, the left side and the right side of the inner wall of the reflow welding furnace are both fixedly connected with fixing blocks, the inner wall of the right side of the reflow welding furnace is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a power wheel. And a rotating shaft is rotationally connected between every two adjacent fixing blocks, a power wheel is fixedly connected to the middle of each rotating shaft, the outer walls of the two power wheels are in transmission connection through a transmission belt, transmission wheels are fixedly connected to the front end and the rear end of each rotating shaft, and a conveying frame is fixedly connected to the right side of the outer wall of the reflow soldering furnace. According to the utility model, the automatic transmission function can realize rapid discharging, reduce manual intervention and improve the efficiency of the whole production line, the correction function ensures the accurate position of the PCB in the discharging process, the assembly problem caused by position deviation is avoided, and the welding quality and the yield can be improved.

This invention relates to the field of sensor calibration technology, and more particularly to a calibration device for an accelerometer, comprising a vibration table for simulating a vibration environment to calibrate the accelerometer. The vibration table has multiple locking slots on one side of its inner wall, and a displacement chamber for automatic movement of the accelerometer is located at the bottom of its inner cavity. A locking mechanism is also provided, located on one side of the vibration table, and includes a clamping lock. In this invention, the clamping lock can fix the accelerometer in the inner cavity of the locking slots, ensuring that the position of the accelerometer remains unchanged during the test, thereby eliminating the influence of position changes on the test results and improving test accuracy. Simultaneously, after the clamping lock stops fixing the accelerometer, the sensor can move freely, fully simulating the dynamic working state in actual applications and accurately evaluating the sensor's response characteristics under different vibration frequencies and displacements.

The utility model relates to a single-mode continuous hydraulic system, which comprises an oil supply assembly and four groups of working assemblies, each working assembly comprises an oil cylinder, the four oil cylinders respectively correspond to a left main die, a right main die, a left sealing die and a right sealing die, and the valve core of a three-position four-way servo valve corresponding to the left main die and the right main die is changed to a first position by electrifying; pressure oil pumped by the oil supply assembly enters rodless cavities of oil cylinders of the left main mold and the right main mold through the first working oil way, piston rods stretch out, the left main mold and the right main mold are closed, and forming of a bottle body part is completed. And the valve elements of the three-position four-way servo valves corresponding to the left main mold and the right main mold are changed to second positions through electrification, so that pressure oil pumped by the oil supply assembly enters rod cavities of the oil cylinders of the left main mold and the right main mold through a second working oil way, the piston rods retract, the left main mold and the right main mold are opened, and demolding of the bottle body part is completed. Similarly, closing and opening of the left sealing mold and the right sealing mold are achieved, and forming and demolding of the head of the bottle body are completed. The actions are repeated, and continuous production of the bottle containers is achieved.

The utility model discloses a kind of servo electric spraying machines, including bottom plate, screw rod, servo motor, sliding rail, moving block, box and spraying device, the screw rod is movably connected at the top of bottom plate, the servo motor is fixedly installed at the left side of bottom plate.The utility model is by being set lubricating maintenance mechanism in the left side and right side of box, including mounting block, oil outlet head and oil supply mechanism, when equipment operation needs to lubricate screw rod, oil supply mechanism starts work, oil supply mechanism transports lubricating oil to oil outlet head, and oil outlet head is fixedly installed outside mounting block by pipe clamp, and is located directly above screw rod, lubricating oil drops from oil outlet head to screw rod surface, realizes the lubrication of screw rod, realizes automatic lubrication to screw rod, greatly reduce the cumbersome operation of artificial lubrication, solve the effective lubricating maintenance structure of above-mentioned equipment lack to screw rod, when operator maintains screw rod in actual operation, face many inconvenient problems.

The present invention discloses a non-powered rainwater and sewage interception well mounting bracket, comprising a base and a mounting plate fixed to the base by a limiting bracket, the mounting plate being provided with a central fixing hole and two circumferentially arranged arc-shaped limiting grooves located on the outer periphery of the central fixing hole, a flange plate being fixed to the swirl valve away from the water inlet side, the flange plate being fixed to the mounting plate by limiting pieces and a central fixing piece respectively, the center of the central fixing hole and the center of the water inlet of the swirl valve being on the same axis. Using the mounting bracket to fix the swirl valve can effectively solve the problem of unstable fixation caused by vibration, pressure and other factors when the valve is in working state, and ensure the firmness of the fixation; by providing the mounting plate, and providing the central fixing hole and the arc-shaped limiting groove on the mounting plate, the swirl valve can be easily installed at an angle.

The invention discloses an impact test device for automobile bumper processing, and relates to the technical field of automobile bumper processing, the impact test device comprises a base and a bumper body, the exterior of the base is fixedly provided with a winding mechanism and a support frame, the inner side of the winding mechanism is provided with a rope, the exterior of the base is provided with an adjusting structure, and the adjusting structure is arranged on the support frame. And the adjusting structure comprises two mounting frames, the mounting frames are fixedly connected with the base, first sliding blocks are arranged on the inner sides of the mounting frames in a sliding mode, and a rotating shaft is rotationally connected between the two first sliding blocks. According to the impact test device for automobile bumper processing, the impact strength can be adjusted according to needs, compared with a traditional pendulum type impact test, the work adaptability of the device is improved, the motor drives the rotating shaft to slide on the inner side of the adjusting rod, the distance between the rotating shaft and the impact hammer can be adjusted, and the impact test efficiency is improved. And the flexibility of force adjustment is improved.

The invention provides an LED lamp capable of automatically compensating thermal state color point deviation. The LED lamp comprises an LED light source and a compensation loop. The compensation loop is provided with a thermistor and a compensation light source in series, the thermistor is used for detecting the light emitting temperature of the LED light source, changing the resistance value of the thermistor according to the temperature change, and adjusting the light supplementing brightness of the compensation light source according to the resistance value change of the thermistor so as to keep the color temperature and the color point position of the light source output by the LED lamp basically unchanged before and after heating; by introducing the thermistor and the compensation light source, automatic compensation of color temperature and color point deviation after the LED light source is heated is achieved, the light emitting color quality of the LED lamp is improved, the price and cost of the compensation loop are low, and complex materials and processes are not needed.