37results about How to "Improve installation suitability" patented technology

The utility model relates to pipeline detection technical field discloses a natural gas long -distance pipeline safety pressure testing device, including pressure testing detection box and water delivery pipe, the outside right side fixed connection of pressure testing detection box has the gas straight pipe, the inside fixed connection of gas straight pipe has sealing ring no.

This utility model relates to the field of illuminated sign technology and discloses a splicable illuminated sign structure, including an outer frame, a light-emitting mechanism, and a splicing assembly mechanism. The outer frame includes a square frame with an assembly groove in the lower center of the rear end of the inner side wall for installing related connecting components. A protective tempered glass plate is fixedly connected to the front opening of the square frame to protect the front end of the light-emitting mechanism. This utility model, by setting up an outer frame, a light-emitting mechanism, and a splicing assembly mechanism, provides a foundation for installation and splicing. The light-emitting mechanism, with its light-transmitting letter blocks, backlight module, and light-shielding plate, ensures clear and stable illumination. The splicing assembly mechanism utilizes L-shaped clamps, clamp blocks, connecting shafts, and fastening bolts to achieve flexible and stable splicing, allowing for the combination of different forms of illuminated signs according to requirements, thus solving the problems of difficult splicing and poor flexibility in traditional illuminated signs.

This utility model discloses a stainless steel kitchenware sheet positioning and clamping device, specifically relating to the field of sheet positioning and clamping technology. It includes two supporting top plates, with supporting vertical plates symmetrically fixedly connected to the bottom ends of the supporting top plates. A movable plate is provided on one side of each supporting vertical plate, and a supporting base is provided at the bottom of the movable plate. A third hydraulic push rod is fixedly connected to the top side of the supporting base, and a stabilizing rod is inserted into the bottom end of the movable plate. This utility model first controls the supporting vertical plates to move the supporting top plates up and down by activating the second hydraulic push rod. The installation height can be adjusted according to the position of the processing equipment. The distance between the two supporting top plates can be adjusted by activating the third hydraulic push rod, thereby adjusting the maximum distance of the width limit. Furthermore, the connecting plate is located in the middle of the limiting groove through the fixing rod penetrating the middle of the fixing sleeve, improving the connection stability of the two supporting top plates, enhancing installation adaptability, increasing compatibility with processing equipment, and improving the overall performance.

This utility model relates to the field of radar drone technology, specifically a multi-directional adjustable three-dimensional lidar drone bracket. The utility model provides such a bracket, including a support plate, a limiting plate, a base plate, adjusting rods, a top plate, an electric slide rail, and an electric slider. Limiting plates are slidably connected to the left and right sides of the bottom of the support plate. Adjusting rods are rotatably connected inside each limiting plate, and the base plate is threaded onto each of the two adjusting rods. The base plate is slidably connected to the limiting plates. The top plate is fixedly connected to the top of the support plate, and an electric slide rail is fixedly connected to the top of the top plate. An electric slider is slidably connected to the electric slide rail. This utility model achieves height adjustment through the threaded connection between the adjusting rods and the base plate, improving installation adaptability; simultaneously, the electric slide rail and electric slider achieve precise horizontal positioning, adapting to different application scenarios and showing good application prospects.

The invention discloses a pipeline type multi-stage biological deodorization device which comprises a bio-trickling filter structure section, a connecting device, a pre-wetting structure section and a fine treatment structure section, and the connecting height of the bio-trickling filter structure section and an odor output pipe can be adjusted through the bio-trickling filter structure section; the connecting device is arranged at the rear end of the top of the bio-trickling filter structure section; the pre-wetting structure section is arranged at the left moving end of the connecting device; the biological filtration fine treatment structure section is arranged at the right side moving end of the connecting device and can drive a center component in the top of the biological trickling filtration structure section to rotate and stir in a limiting manner, and the connecting device can drive the pre-wetting structure section and the biological filtration fine treatment structure section to synchronously expand and contract; the fillers in the left end and the right end of the top of the bio-trickling filter structure section are clamped and fixed; in conclusion, flexible adjustment, linkage and quick connection and disconnection of the structural sections are achieved through multiple assemblies, and the odor purification quality and the deodorization efficiency are high.

The application discloses a cylinder-wall-oil-through anti-rotation multi-stage hydraulic oil cylinder and relates to the technical field of hydraulic oil cylinders. The cylinder-wall-oil-through anti-rotation multi-stage hydraulic oil cylinder comprises a cylinder body, a cylinder barrel, a piston rod, a cylinder bottom cover, a primary guide sleeve, a secondary piston, a secondary guide sleeve and an inner piston, the cylinder body is provided with a first piston cavity, the cylinder barrel is provided with a secondary piston cavity, at least one cylinder barrel is sequentially sleeved in the cylinder body, the piston rod is sleeved in the innermost cylinder barrel, the axis of the first piston cavity is parallel to the axis of the cylinder body, the axis of the secondary piston cavity is parallel to the axis of the cylinder barrel where the secondary piston cavity is arranged, the axis of the secondary piston is parallel to the axis of the cylinder barrel connected with the secondary piston, and the axis of the inner piston is parallel to the axis of the piston rod connected with the inner piston. The cylinder-wall-oil-through anti-rotation multi-stage hydraulic oil cylinder realizes reliable anti-rotation of the multi-stage oil cylinder, increases the oil cylinder stroke, is convenient to process and install, has strong universality and is suitable for hydraulic operation scenes, such as a gallery drilling machine, that need to be prevented from rotating.

This utility model discloses a stable deceleration top assembly, relating to the field of deceleration tops, including a housing assembly and a sliding cylinder assembly. The sliding cylinder assembly is disposed inside the housing assembly. The sliding cylinder assembly includes a cylinder, a piston rod assembly, a sealing cover assembly, a support ring, a return valve plate, a shaft retaining ring, and an anti-impact assembly. The piston rod assembly is disposed inside the cylinder, and the sealing cover assembly is disposed inside the top of the cylinder. A support ring is disposed on the cylinder above the sealing cover assembly. A return valve plate is disposed between the support ring and the sealing cover assembly. A shaft retaining ring is disposed on the cylinder below the return valve plate. This utility model adopts a combination design of "double stiffness spring of pressure valve spring assembly and speed valve plate" for the pressure valve, which can dynamically adapt the resistance work according to the vehicle weight and working conditions, thereby improving the vehicle coupling positioning rate in low-temperature winter environments.

The utility model relates to tractor accessory technical field, especially a tractor suspension limiting device, solved the problem that the prior art device exists angle adjustment is restricted, the difficult problem of installation, including two hinge folders, two hinge folders are connected through interval adjusting assembly, hinge folder includes first hinging seat and second hinging seat, first hinging seat is hinged and is connected with second hinging seat, and the fixedly connected with mounting panel on first hinging seat, second hinging seat is connected with interval adjusting assembly, first hinging seat is rotatably connected with first locking piece, and second hinging seat is rotatably connected with second locking piece, and first locking piece and second locking piece are connected through locking bolt. Advantageous effects are: through setting first hinging seat and the hinged connection of second hinging seat, make interval adjusting assembly swing relative to mounting panel, realized the flexible adjustment of angle, effectively solved the difficult problem of installation that the adjusting screw cannot swing relative to regulator in prior art.

The utility model relates to the technical field of door pockets, in particular to an edge sealing door pocket with extensible clamping pieces, which comprises a pocket plate, an edge sealing plate is connected to the edge of the door pocket plate, a clamping groove is arranged on the door pocket plate, a plurality of extensible clamping piece mechanisms are clamped in the clamping groove, and each extensible clamping piece mechanism comprises an insertion piece, a movable rod and an extension component. The extension assembly comprises a bottom plate, a gland and a pair of extension pieces, the movable rod penetrates through the position between the bottom plate and the gland, and the two extension pieces are contained at the left end and the right end of the gland respectively. According to the edge sealing door pocket with the extensible clamping pieces, the clamping grooves are formed in the edges of the front end and the rear end of the door pocket plate, the extensible clamping piece mechanisms are connected in a clamped mode, and the positions and the angles of the extensible clamping pieces can be flexibly adjusted according to the actual situation of the wall face through the inserting pieces, the movable rods and the movable extension assemblies, so that the door pocket can better adapt to the wall faces with different flatness; and the installation adaptability is improved.

The utility model provides a kind of highway noise isolation device, mainly related to road administration equipment field.A kind of highway noise isolation device, including bending support plate.The utility model has the beneficial effect that: the device is modularized bending support plate as core, outside is set sound insulation layer and blocks high-speed noise, inside is with existing balustrade fixed by adjustable height connecting structure.Support plate rear part is equipped with shiftable support connecting column, one side is equipped with sleeve joint structure, and multiple groups of support plates are connected and fastened by two, to form noise barrier.Bending structure can reflect volume and enhance sound insulation effect, flexible connecting structure is adapted to install at high-speed complex turning, and modular design can select installation position and construction length as needed, improve applicability.

The application discloses a connecting assembly and a shock-absorbing support, belongs to the field of mobile intelligent terminals, and relates to support technology of the mobile intelligent terminals. The connecting assembly comprises a back plate, a sliding cushion plate, a pasting plate and a hanging rope, the back plate is provided with a first connecting structure on the back surface, the sliding cushion plate is arranged on the front plate of the back plate, and an automatic-reset movable clamping groove is formed between the sliding cushion plate and the back plate; the pasting plate is provided with a first pasting plate, a buckling piece and a sliding pasting plate, the first pasting plate is fixedly connected with the back surface of the mobile intelligent terminal, and the buckling piece can be clamped in the movable clamping groove; the hanging rope is connected with the sliding pasting plate, and a ring-shaped hanging neck part is arranged on the hanging rope. The shock-absorbing support comprises a mounting piece, a shock-absorbing adjusting frame and the connecting assembly; the mounting piece is used for being connected with a vehicle body, the shock-absorbing adjusting frame is arranged on the mounting piece, and the connecting assembly is arranged on the shock-absorbing adjusting frame. The application solves the technical problem that the conventional connecting assembly and shock-absorbing support of the mobile intelligent terminal cannot meet the requirements of convenient operation and stable placement.

The utility model relates to the technical field of lap joint plate splicing, in particular to a pedestrian lap joint plate for building construction, which is characterized in that L-shaped side plates are arranged on fixing plates on two sides of a support plate, a cylindrical sliding chute is arranged on the support plate between the side plates, a plurality of balls for sliding are arranged in the sliding chute, and the balls are arranged in the sliding chute. The side, away from the fixing plate, of the base plate is provided with limiting grooves sliding on the supporting plate, the limiting grooves are formed in the two ends of the base plate, the two sides of the base plate are each provided with two fixing strips, and the two fixing strips are slidably connected with the L-shaped side plates on the two sides of the fixing plate. The multiple sets of rectangular grooves in the fixing plate are matched with the supporting plate in the middle fixing groove, rapid splicing of multiple lap joint plates is facilitated, the overall length or width can be flexibly adjusted according to the width of a construction site, and the lap joint plate can meet the requirements of channels with different spans. The splicing operation difficulty of the lap joint plates is large, and time consumption is long.

This utility model relates to the field of hygiene product manufacturing equipment, specifically to a convenient angle-adjustable conveying mechanism that solves the problem that current conveying mechanisms cannot easily adjust the conveying output angle. It includes a frame with a fixed support and a movable component extending from it. An adsorption box is mounted on the fixed support and the movable component, such that the adsorption box forms a base end on one side of the fixed support and a rotating end on one side of the movable component. Belt drive assemblies are installed at both ends of the adsorption box. The fixed support includes a fixed base and a connecting seat located at the bottom of the adsorption box, with the connecting seat hinged to the fixed base. The movable component includes a base, a cylinder hinged to the base, and a connecting support hinged to the end of the cylinder piston rod. This utility model is applied to the conveying of raw materials, transfer of semi-finished products, and packaging of finished products in diaper production.

This utility model discloses an alarm device for preventing material spillage, comprising an infrared beam switch transmitter and three infrared beam switch receivers. The infrared beam switch transmitter is mounted on the ground via a pole, and a drive motor is fixed to the top of the pole. The motor output shaft passes through the pole and connects to the central axis of a semi-circular rotating plate. The infrared beam switch transmitter is fixed in the middle of the rotating plate, and a reflective lens is provided on its side. The reflective lens is rotatably connected to the rotating plate via a rotating rod. The rotating rod passes through a second mounting plate and connects to a worm gear, which meshes with a worm. The three infrared beam switch receivers are respectively mounted in the grooves of an arc-shaped slide rail via lockable sliders. The arc-shaped slide rail is fixed to the other side of the vibrating screen feed end by a bracket. A through groove is provided on the side wall of the groove, and an adjusting bolt passes through the through groove and is threadedly connected to the lockable slider. This utility model has the advantages of enabling early warning of spillage trends, high installation adaptability, and low monitoring cost.

The application discloses a spring operating mechanism and method for a circuit breaker, and belongs to the technical field of circuit breakers, which comprises a clamp plate type frame, an energy storage to position clutch, a closing holding and a manual closing soft interlocking device, the clamp plate type frame is fixedly connected by opposite first and second side plates through a supporting piece; an energy storage motor of an energy storage transmission device is connected with an energy storage shaft through a transmission assembly, a cam is arranged on the shaft, and an energy storage holding buckle is arranged; the energy storage to position clutch device is a one-way clutch assembly connecting the transmission assembly and the energy storage shaft; the closing holding device comprises a hinged opening release assembly, a reset elastic piece and a linked output shaft; the manual closing soft interlocking device comprises a sliding manual operating assembly, a closing trigger piece and an interlocking assembly, and is matched with the energy storage holding buckle; the problems of the existing spring operating mechanism for the circuit breaker, such as the reliability, structure, cost or precision related defects of the energy storage clutch device, the manual closing mechanical interlocking, the closing holding structure and the modular mechanism cooperation are solved.

This utility model relates to the field of touch screen edge protection technology, and discloses a touch screen edge protection structure, including a display screen body. The outer wall of the display screen body is provided with four L-shaped edge protection frames. The four L-shaped edge protection frames are arranged in a rectangle and respectively constitute the upper, lower, left, and right edge protection support structures of the display screen body. Elastic bands are fixedly connected between adjacent L-shaped edge protection frames. This touch screen edge protection structure forms a double-layer physical protection through "L-shaped edge protection frames (inner basic edge protection) + L-shaped protective frames (outer protection)". The outer protective frame can directly resist external impacts, compression, and other external forces, while the inner edge protection frame further supports the edge of the display screen. This double protection effectively reduces the risk of damage to the display screen edge due to external forces. Combined with edge protection strips (silicone cushioning) and elastic bands (elastic cushioning), it can effectively resist external impacts and compression, reducing the risk of damage to the display screen edge.

This utility model relates to the field of low-voltage room early warning technology, and in particular to a low-voltage room equipment anomaly early warning device, comprising a device body, a mounting plate fixedly connected to the back surface of the device body, a docking plate fixedly connected to the front surface of the device body, and a mounting base plate fixedly connected to the front surface of the docking plate. This low-voltage room equipment anomaly early warning device, through a set early warning mechanism connected to the mounting base plate via the docking plate, and in conjunction with a combination structure of a limiting crossbar, an adjusting limiting collar, and a limiting plug, can flexibly adjust the horizontal position of the early warning monitoring head assembly according to the actual layout and monitoring needs of the low-voltage room equipment. The power source assembly drives the docking base plate and extension arm to rotate, and combined with the adjustment action of the threaded rod and nut, it can achieve multi-angle and multi-range position adjustment of the information collection head assembly, ensuring accurate monitoring of low-voltage equipment of different models and installation locations.

This utility model discloses a synchronous air intake and exhaust architecture and a fresh air device based on a single-pipe internal cavity, relating to the field of air purification equipment technology. It includes: an outer pipe body; an inner pipe body embedded inside the outer pipe body, with an independent exhaust cavity formed inside the inner pipe body, and an independent air intake cavity formed inside the outer pipe body corresponding to the outside of the inner pipe body, the exhaust cavity and the air intake cavity being arranged alternately inside the outer pipe body; and a wind-driven component with two wind output ends, the two wind output ends of the wind-driven component being arranged one-to-one with the output airflow direction in the exhaust cavity and the air intake cavity, respectively. This solves the technical problems of poor installation adaptability and low ventilation efficiency of existing fresh air units.

The utility model discloses a range hood which comprises a fan box, a fan box hanger, a wall hanger, a flue gas pipeline and a lower cavity, the fan box is used for being at least partially installed above a suspended ceiling, and the smoke pipeline communicates with the lower cavity and the fan box; the wall hanging frame is used for being installed on a wall face above a suspended ceiling. The fan box hanger is used for connecting the fan box and the wall hanger; the wall hanging frame is provided with a hook, the fan box hanging frame is provided with a hanging hole, the fan box is hung on the hook through the hanging hole of the hanging frame, the proportion of the width of the hanging hole to the width of the hook is larger than 1, and the hanging hole can be used for adjusting the position of the fan box relative to an open hole and / or a lower cavity of a ceiling in the left-right direction in the left-right direction. According to the embodiment of the invention, the fan box mounted above the ceiling can be adjusted in the left-right direction, the mounting difficulty of vertically arranging the fan box, the flue gas pipeline and the lower cavity can be reduced, the flue gas pipeline is prevented from being bent, the flue gas is ensured to be smoothly discharged, and the mounting adaptability of a decorative cover can be enhanced when the decorative cover is mounted outside the flue gas pipeline.

The utility model relates to the technical field of mixer truck, disclose a kind of mixer truck oil pump beam device, comprising: the oil pump mounting seat for installing oil pump;Beam assembly and the vehicle frame mounting assembly for being respectively connected with beam assembly and mixer truck frame are installed with the oil pump mounting seat;Wherein, in the oil pump assembly process, the oil pump mounting seat is rotatably connected with beam assembly.Through the above technical scheme, the oil pump mounting seat is installed on beam assembly, and beam assembly is connected with frame by vehicle frame mounting assembly, since the oil pump mounting seat can rotate relative to beam assembly, so that the oil pump fixed on the oil pump mounting seat can rotate relative to beam assembly, the adjustment of oil pump angle is realized, and then the power transmission of different angle can be adapted to oil pump, to improve the installation adaptability of oil pump beam device.

The utility model relates to the technical field of metal door and window processing, and discloses a metal door and window processing and cutting device which comprises a processing table, a feeding channel used for limiting the moving direction of a sealing rubber strip is arranged on the table top of the processing table, and a moving limiting assembly located at the discharging end of the feeding channel is arranged on the table top of the processing table. The moving direction of the moving limiting assembly is the same as the feeding direction of the feeding channel, the moving limiting assembly is used for controlling the cutting length of the sealing rubber strip, the moving limiting assembly is arranged and matched with the graduated scale and the pointer, accurate control over the length of the sealing rubber strip is achieved, manual measurement errors are eliminated, it is ensured that the cutting size is matched with the height of a door and window frame, and the cutting efficiency is improved. The cutting assembly is further arranged, it is guaranteed that a notch is smooth and free of burrs while the sealing rubber strip is cut, and therefore the installation adaptability of the sealing pressing strip is remarkably improved, meanwhile, the pressing piece is further arranged, the sealing rubber strip is synchronously fixed in the cutting process, and notch deviation caused by displacement is avoided.

The utility model discloses a heat exchanger capable of being finely adjusted in shape, which belongs to the technical field of heat exchangers and is technically characterized by comprising a base, a support component used for supporting equipment is arranged at the top of the base, heat exchange components are arranged on two sides of the support component, top plates are arranged at the tops of the heat exchange components, and an elastic plate is arranged between the two top plates. According to the heat exchanger, the elastic plate is arranged, the two heat exchange assemblies are rotated, the elastic plate is extruded to be bent and deform to generate elastic force, and therefore the transverse space occupied by the two heat exchange assemblies becomes smaller, the heat exchange efficiency is improved, and the heat exchange efficiency is improved. And by arranging the supporting assemblies, space is provided for rotation of the heat exchange assemblies, so that the angle between the two heat exchange assemblies is conveniently adjusted, and the installation applicability of the heat exchanger is improved.

The utility model relates to the technical field of photovoltaic equipment, and discloses a photovoltaic optimizer, which comprises a fixed assembly, a fixed assembly and a movable assembly, the equipment body is rotatably connected to the fixing assembly; the first clamping part is arranged on the fixing assembly and located on the side, close to the equipment body, of the fixing assembly; the second clamping part is arranged on the equipment body and located on the side, close to the fixing assembly, of the equipment body; a plurality of first clamping parts are arranged, and the plurality of first clamping parts are arranged at intervals; the second clamping part is detachably connected with any first clamping part; according to the photovoltaic optimizer provided by the utility model, the device body is rotatably connected with the fixing assembly, and the plurality of first clamping parts are uniformly arranged around the first direction at intervals, so that the photovoltaic optimizer can adapt to the arrangement forms of wiring ports of photovoltaic assemblies in different directions, and equipment replacement or additional cable trend adjustment due to the layout difference of the photovoltaic assemblies is not needed; the installation adaptability is improved, and a single photovoltaic optimizer can be adapted to the installation of photovoltaic modules in various different arrangement forms.

The utility model belongs to the technical field of air conditioner outdoor unit cooling, and particularly relates to air conditioner outdoor unit auxiliary cooling equipment which comprises a T-shaped mounting plate, a first clamping plate is welded to one side of the bottom end of the T-shaped mounting plate, and a second clamping plate is welded to the other side of the bottom end of the T-shaped mounting plate. Through cooperative use of a first clamping plate and a pressing plate, the auxiliary cooling equipment can be fixed, the position of the pressing plate can be flexibly adjusted, so that the installation applicability of the equipment can be improved, the use height of an atomization spray head installed on a spray pipe can be adjusted by rotating and adjusting the positions of two fixing nuts on a supporting stud, and the use efficiency of the atomization spray head is improved. A spraying pipe is rotated in a fixing clamping pipe and fixed through a locking screw, the using direction of an atomizing nozzle can be adjusted, and therefore the using applicability of the device can be improved, then a pressurization water supply pipe is installed, the atomizing nozzle can spray atomized water vapor to conduct auxiliary cooling on a condenser of an air conditioner outdoor unit, and the cooling effect is improved. And the equipment is convenient to use.

The utility model belongs to electric equipment technical field discloses a kind of electric equipment control cabinet, comprising: frame, cabinet board, cabinet door, air conditioning pipe hole and installation component, the frame is used for the support of electric equipment control cabinet, the cabinet board is connected in the frame, the cabinet door is hinged in the cabinet board, the air conditioning pipe hole is located in the cabinet board, the installation component includes guide rail, movable piece and mounting piece, the guide rail is connected in the cabinet board, the guide rail is connected in the cabinet board, the movable piece is movably arranged in the guide rail, the mounting piece is arranged in the movable piece, the installation position of external air conditioner can be effectively adjusted, greatly improve the installation adaptability of control cabinet to different models, size air conditioner, also significantly improve the protection level of control cabinet, ensure that the operating environment of control cabinet internal equipment remains stable, also facilitate hoisting and transportation to control cabinet.

This utility model relates to the technical field of high-pressure nitrogen shock absorbers, specifically to a novel high-pressure nitrogen shock absorber with adjustable bidirectional damping for both recovery and compression. It includes an upper cover and a bottom cover, with an oil reservoir sleeved between them. A pressure rod is fixed to the middle of the upper cover, and its middle section is fixedly connected to a sliding sleeve. An upper damping structure is sleeved at the top center of the pressure rod, and its bottom is connected to a middle damping structure. A bottom valve assembly is fixed to the inner wall of the bottom cover. The upper damping structure includes a conical sleeve, an inner bushing within the conical sleeve, a conical spring outside the conical sleeve, and an outer bushing outside the conical spring. This design reduces manufacturing complexity and costs, while also minimizing installation space requirements. Compared to similar products, it reduces costs by approximately 30% and improves installation adaptability by 40%, making it easier to promote and apply on a large scale in industrial production and transportation sectors, providing a cost-effective shock absorption solution for industry development.

The utility model provides a kind of load ring of injection molding type combined conductive ring, including combined conductive ring, combined conductive ring includes middle support spring, the both sides of middle support spring are equipped with conductive sheet, the outside of combined conductive ring is equipped with inner ring, the center of inner ring is equipped with inner hole, inner hole is used to be connected on motor shaft, the outside of inner hole is equipped with positioning groove, conductive ring is arranged in positioning groove, the outside of positioning groove is also equipped with outer groove, and communication hole is equipped between outer groove and positioning groove, communication hole is used to connect outer groove and positioning groove, solve the problem that the conductive ring of original design needs to be placed groove on motor shaft, combined conductive ring is not convenient to disassemble.

The application discloses an automatic charging mechanical arm of an electric vehicle and belongs to the technical field of automatic charging of electric vehicles. The mechanical arm body comprises a first linear driving mechanism, a second linear driving mechanism, and a first rotary driving mechanism, a second rotary driving mechanism and a third rotary driving mechanism which are sequentially and serially arranged. A pitch angle adjusting mechanism is used for actively adjusting the pitch angle of an automatic charging gun. A yaw angle adjusting mechanism is used for actively adjusting the yaw angle of the automatic charging gun. A floating compensation mechanism has two passive degrees of freedom and is used for compensating for positioning deviation during plugging or unplugging of the automatic charging gun and a charging port of the electric vehicle. The application enables the mechanical arm body to complete large-range position adjustment and basic attitude adjustment of the automatic charging gun in a fixed parking space scene. The control burden of multi-joint coupling interpolation is reduced, and the installation adaptability of narrow civil scenes such as underground garages and building exclusive parking spaces is improved.

The application discloses a battery box and a battery pack. The battery box comprises a box body comprising at least one edge beam structure, wherein a sliding groove is arranged on the edge beam structure along a first direction; a lifting lug assembly comprises a lifting lug body and a bushing connecting structure; the lifting lug body is slidingly installed in the sliding groove and is adjustable in position along the first direction; a waist-shaped hole is arranged on the lifting lug body along a second direction, and the bushing connecting structure is installed in the waist-shaped hole and is adjustable in position along the second direction; the bushing connecting structure has a connecting hole arranged along a third direction for mounting a whole vehicle connecting piece, and the length of the bushing connecting structure is adjustable in the third direction, wherein the first direction is the length direction of the box body, the third direction is the height direction of the box body, and the second direction intersects the first direction. Through the application, the technical problem of how to meet the quick mounting requirements of different vehicle models is solved.