35results about How to "The installation is firm and stable" patented technology

The invention relates to a torsional fretting friction wear test method, the method is that: an upper testing part is clamped in an upper clamp, a lower clamp is fixed with a high-precision low-speed rotation table by a thread, a vertical central line of a holding cavity of the lower clamp is aligned with a rotating shaft of the high-precision low-speed rotation table, a spherical lower testing part is clamped by the lower clamp; the upper clamp is controlled for up and down movements by a data collection control system, the upper and lower testing parts are contacted and are exerted by a set load, at the same time, the lower clamp and the lower testing part clamped by the lower clamp are controlled by the data collection control system to carry out a plurality of times of reciprocating rotations by a set rotation speed and a rotation angle; at the same time, the friction torque is measured by a six-dimension force/torque sensor which is connected with the upper clamp and is sent to the data collection control system, and a torque-angular displacement curve under the set rotation speed and the load conditions can be obtained by analysis. The method can conveniently allow the materials to generate the small angle torsional fretting friction wear, the degree of the automation is high, the precision of the control and the test is high and the reproducibility of the test data is good.

The invention relates to a rotary inching friction abrasion test method and a relative device, wherein the method comprises clamping a plane upper sample on an upper clamp, fixing a lower clamp on the horizontal rotation shaft of a high-precision ultra-low speed rotation motor, clamping a spherical lower sample via a lower clamp, aligning the horizontal central line of the lower sample with the rotation shaft of the rotation motor, using a data acquisition and control system to control the up-and-down and left-and-right motions of the upper clamp to contact the upper and lower samples and apply a preset normal load, at the same time, using the data acquisition and control system to control the rotation motor to reciprocally rotate the lower clamp and lower sample at preset rotation argument, rotation speed and times, to realize the rotary inching friction between the upper and lower samples, using a six-dimension force/torque sensor to test and feed the friction force to the data acquisition and control system to be analyzed to obtain a friction force-angle displacement curvature. The inventive method can simply realize small angle rotary inching friction abrasion of material, with high automatic degree, high control and test accuracy and better test data reappearance.

The invention discloses a pipe machining and fixing clamp which comprises a fixing clamp bearing groove, a clamp bearing rack and a pipe fixing ring. The clamp bearing rack is installed on the inner wall of the fixing clamp bearing groove. The pipe fixing ring is installed on the outer wall of the top of the clamp bearing frame. The bottom of an air pressure connecting port is connected with one outer air pressure telescopic arm through an air pressure flow division pipeline. Inner air pressure telescopic arms are installed in inner cavities of the bottoms of the outer air pressure telescopic arms. Pipe fixing clamping grooves are formed in the bottoms of the inner air pressure telescopic arms. By the adoption of the pipe machining and fixing clamp, the air pressure telescopic arms are adopted as pipe clamping mechanisms, and the pipe machining and fixing clamp is effectively made more convenient to use; and meanwhile the multiple clamping mechanisms are adopted, the pipe clamping effect of the pipe machining and fixing clamp is more stable, and pipe machining efficiency is greatly improved.

A mounting and fixing apparatus for analog-to-digital electrical equipment according to an embodiment of the present invention comprises: a mounting rail (11), an electrical equipment-insulated pedestal (12) and a stop element (16). By translation and locking of the stop element (16) mounted on the electrical equipment-insulated pedestal (12), the dimension of the opening mounting and fixing the electric equipment to the mounting rail (11) may be manually varied or locked, which greatly improves the firmness and stability for mounting the electric equipment, and thereby realizing convenient mounting and dismounting of the electric equipment or convenient movement or rearrangement of the electric equipment in the mounting rail (11), and enhancing the interchangeability and compatibility for coordination and mounting of the electric equipment to the mounting rail (11).

The invention discloses a channel gate for hydraulic engineering, which comprises a gate body, a supporting seat and two deicing devices, wherein the two deicing devices are correspondingly arranged on the front side and the rear side of the supporting seat and each comprise a driving motor, a rotating screw rod and a deicing head, the driving motors are positioned on the top surface of the supporting seat, the top ends of the rotating screw rods are connected with the driving motors, and the deicing heads sleeve the rotating screw rods. The mounting method comprises the following steps: (1) preparing construction; (2) installing a channel gate; (3) installing a winch; and (4) and running in a trial mode. The channel gate is simple in structure, the gate body can be more conveniently mounted through the design of the supporting seat, and the structure of the channel gate is firmer and more reliable; and meanwhile, through the design of the deicing devices on the two sides of the gate body, when the surface of the channel gate is frozen, deicing is performed on the two sides of the channel gate, so that the channel gate can be normally used in cold and frozen seasons, and the channel gate is more convenient to use.

The invention relates to an agricultural plant protection unmanned aerial vehicle carrying mechanism which comprises an integrated framework, an inner baffle, an outer baffle, undercarriage fixing boards, an undercarriage and a flight control sealing box. The integrated framework comprises an upper carbon fiber board and a lower carbon fiber board, pesticide box holes are formed in the upper carbon fiber board and the lower carbon fiber board of the framework respectively, two hole arms of the pesticide box holes are connected through the inner baffle, outer edges of the upper carbon fiber board and the lower carbon fiber board are connected through the outer baffle, four groups of undercarriage fixing boards are arranged on the lower carbon fiber board and fixedly connected with the undercarriage, and the flight control sealing box is placed outside the integrated framework. The mechanism is quite simple to disassemble, assemble and replace, maintenance difficulty and cost are greatly reduced, small mass of an unmanned aerial vehicle is ensured, and natural environment resistance is high.

The invention discloses a pile mounting bracket and a fuel cell using the same. The pile mounting bracket comprises a mounting bottom plate at the bottom and a vertical supporting plate erected upwardfrom the mounting bottom plate. A plurality of first mounting holes is arranged on the mounting bottom plate, and the vertical supporting plate is provided with a plurality of rows of second mountingholes from bottom to top, and a mounting boss are arranged on the bottom plate inside a case body. The mounting base plate is mounted on the mounting boss by screws through the first mounting hole, and a fuel cell unit is locked to the vertical supporting plate by screws through the second mounting hole. The vertical supporting plate is further provided with a plurality of studs, and the studs are provided with screw holes, and a positive bus bar copper row and a negative bus bar copper bar are all mounted together with an insulating block, and the insulating block is locked on the stud by the screws. The structure of the pile mounting bracket is simple, the module integrated installation is realized, the structure design is reasonable, and the pile mounting bracket has more functions.

The invention relates to the technical field of building materials, and provides a sound barrier applied to an existing railway line and a mounting method thereof. The sound barrier comprises sound barrier stand columns, sound barrier back plates, sound absorbing plates, a ground foundation and transparent plates. The ground foundation is provided with cup opening parts, and the sound barrier stand columns are inserted into the cup opening parts. The sound barrier stand columns are provided with strip-shaped mounting grooves, each sound barrier back plate comprises a back plate body, and the sound absorbing plates are embedded into the back plate bodies; the sound barrier back plates are embedded into the mounting grooves of the corresponding two adjacent sound barrier stand columns; and each transparent plate is arranged between every two adjacent back plate bodies and connected with the corresponding mounting grooves and the corresponding upper and lower back plate bodies. The soundbarrier has the advantages of being firm in connection, light, high in intensity, long in service life, good in sound isolation effect and the like. The mounting method comprises the steps of sequentially mounting the ground foundation, the sound barrier stand columns, the back plate bodies provided with the sound absorbing plates, the transparent plates and other back plate bodies provided with the sound absorbing plates. The mounting method is scientific and reasonable in design, easy and convenient to operate and capable of firmly mounting the sound barrier.

The invention relates to the technical field of automobile data recorders, in particular to an intelligent automobile data recorder convenient to install. The automobile data recorder comprises a collecting mechanism, a clamping mechanism, a connecting mechanism, an air exhaust mechanism, an adjusting mechanism and a limiting mechanism, through adsorption installation of the collecting mechanism and automobile internal glass, recording and collecting of real-time road conditions during driving are facilitated, clamping installation and disassembly of internal components of the collecting mechanism are facilitated under the effect of the clamping mechanism, adjustment of the direction of the collecting mechanism is facilitated under the action of the adjusting mechanism, more effective collection is achieved, the adjusting mechanism is limited under the effect of the limiting mechanism and is not easy to rotate at will, the collecting mechanism can be conveniently assembled and subsequently disassembled and replaced under the effect of the connecting mechanism, the collecting mechanism can be firmly and stably mounted and adsorbed under the action of the air exhaust mechanism, and the collecting mechanism is convenient to disassemble and mount.

The invention relates to a synchronizer shifting fork gear shift mechanism for a tractor, and belongs to the field of tractor gear shift. The synchronizer shifting fork gear shift mechanism is located in a gearbox shell and comprises a gear shaft, a shifting fork shaft, a shifting fork and a gear self-locking device. The gear shaft is perpendicular to the shifting fork shaft, and the gear shaft is sequentially sleeved with a first shifting gear, a synchronizer and a second shifting gear. The synchronizer is in sliding connection with the gear shaft through a spline and can be in hitching connection with the first shifting gear or the second shifting gear. The outer edge of the synchronizer is provided with an annular groove. The shifting fork is provided with a shifting block corresponding to the annular groove. The gear self-locking device is provided with a spring positioning pin abutting against the shifting fork. A first positioning hole, a middle positioning hole and a second positioning hole are formed in the outer side of the shifting fork at intervals. According to the synchronizer shifting fork gear shift mechanism, the product structure is compact, operation is easy and convenient, the shifting fork shaft rotates only under the effect of external force, the gear shifting performance is more stable, gear shifting and hitching connection are easier, more convenient and smoother, and the problem that the synchronizer is likely to be damaged or be out of gear in the gear shifting process can be effectively solved.

The invention discloses a building decorative plate. The building decorative plate comprises a base plate and a panel, wherein a threaded hole is formed in the center of the base plate; inserting grooves are respectively formed in the two sides of the base plate; elastic sheets are respectively arranged at the top and the bottom of the base plate; the bottom of each elastic sheet is fixedly connected with the base plate; the top of each elastic sheet is in clearance fit with the base plate; a first inserting sheet is fixed to the top of each elastic sheet; second inserting sheets are arrangedat the bottom surface of the panel; a through hole is formed in each second inserting sheet; each second inserting sheet penetrates through the through hole in the corresponding second inserting sheetof the panel adjacent to the second inserting sheet to be matched with the inserting groove in the corresponding base plate adjacent to the second inserting sheet in an inserted mode; grooves for being matched with the first inserting sheets are formed in the bottom surface of the panel; an adjusting bolt in press fit with the corresponding first inserting sheet is in threaded connection with theouter edge of each groove; a first through hole is formed in the center of the panel; and a fixing bolt penetrates through the first through hole to be connected with the threaded hole. The buildingdecorative plate can overcome the defects in the prior art, simplify the mounting process of the decorative plate and facilitate the adjustment of the decorative plate.

The invention discloses an aluminum core surface spraying device which comprises a glue box; a sliding bar is arranged at the lower left corner of the glue box; a sliding block is arranged on the outer surface of the sliding bar; struts are arranged at the lower surfaces of first clamping blocks; the struts penetrate through a cylinder and are connected with cushion blocks; first springs are arranged on the upper surfaces of the cushion blocks; the cushion blocks are connected with the cylinder through the first springs; fasteners are arranged at the lower surfaces of the cushion blocks; gaskets are arranged at the left end and the right end of each fastener; through holes are formed in the surfaces of the gaskets; metal connecting rods are arranged in the through holes; and the upper end and the lower end of each metal connecting rod are connected with the inner wall of the cylinder. According to the aluminum core surface spraying device, the fasteners are pushed towards the upper end and the lower end and then the fasteners push the cushion blocks to move, the cushion blocks are pushed to move to the center by the first springs, the fasteners are pushed to move by the cushion blocks, and an aluminum core is clamped by interaction force between the fasteners, so that a filter element is mounted more securely and stably.

The invention discloses a heat radiation support with a splicing function. The heat radiation support with the splicing function comprises a heat radiation support, a top board, a main support, a circular hole, fans, a base plate, installation grooves, bolts, a clamping board, crossbeams, bolt holes and slots. The beneficial effects of the heat radiation support are that the heat radiation performance is good, a stable support effect is achieved, the installation grooves can facilitate installation of the base plate, three fans arranged on the surface of the base plate can achieve a good heatradiation function, the main support and the crossbeams are fixedly mounted through installation of the bolts and the bolt holes, the installation and the dismounting of parts of the heat radiation support are facilitated, the structure is simple, the connection between the parts is firm, the heat radiation effect of the fans is good, a buckle opening arranged at the front end of the main supportcan facilitate support, the main support has a support function, the heat radiation support is advantaged by compact structure and long service lifetime, the clamping board arranged on a sidewall of the top board and the slots can be mounted in fit, the top board can be conveniently fixed, and the top board can achieve a stable support effect.

The invention provides a concrete socket capable of facilitating cushioning and fixing of a building support frame, and relates to the technical field of building sockets. The concrete socket aims to solve the problems that when an existing concrete socket of the building support frame is used, no auxiliary limiting structure is arranged, a fixing limiting structure cannot be selected according to the ground material, and sliding is prone to occurring. The concrete socket comprises a main body, a stress groove, clamping blocks, a buffer piece, a side plate, a control rod and a stress block, wherein the main body is of a rectangular structure with a protruding middle, and the main body is a socket body; the clamping blocks are installed inside jacks, and the clamping blocks are arranged in an annular shape; and the buffer piece and a buffer rod are made of rubber materials. The stress groove is used for installing the stress block, so that the stress block can be installed inside a moving groove to move, when the control rod moves, the stress block can be controlled to move downwards, the stress block can assist the device to be limited and fixed, and sliding is avoided when the device is used.

The invention relates to the field of buildings, in particular to a fireproof thermal insulation board for an interior wall with heat not liable to lose. The fireproof thermal insulation board comprises a board body, wherein the board body comprises a thermal insulation layer, a fireproof layer and a decorative surface layer from outside to inside in sequence, wherein one surface, close to a wallbody, of the thermal insulation layer is provided with a rectangular pit which penetrates through the thermal insulation board; a soundproof layer and a heat insulation layer are sequentially arrangedon the thermal insulation board on the top of the pit; the heat insulation layer, the soundproof layer and the thermal insulation board are prefabricated and fixedly mounted through rivets; reinforcing ribs are arranged in the thermal insulation boards at the two sides of the pit, and the outer side surfaces of the fireproof thermal insulation boards are covered by panels; a connector is prefabricated and mounted on the interior wall; the connector is L-shaped, and comprises a bottom plate and side plates; the bottom plate is riveted with the wall body through a rivet; an elastic cushion is cushioned between the bottom plate and the wall body; the bottom plate is positioned on bulged parts on the side surfaces of the pits of the thermal insulation boards; the side plates abut against theouter side surfaces of the thermal insulation boards; and the side plates are fixed with the thermal insulation boards through rivets. The device provided by the invention is good in thermal-insulation soundproof effect, is easy to mount, and is stable in structure.

The invention discloses a BIPV photovoltaic roof system and a construction method, and belongs to the field of roof construction, and the BIPV photovoltaic roof system comprises a roof structure, a waterproof layer laid on the roof structure, a keel supporting system penetrating through the waterproof layer and connected to the roof structure, photovoltaic modules laid on the keel supporting system, and decorative rods covering the left and right adjacent photovoltaic modules. The decorative rod is of a barrel-shaped structure which is narrow in head and wide in tail and provided with an opening in the lower portion, and the decorative rod comprises vertical clamping parts on the two sides and a decorative part between the two clamping parts. The tail parts of the decorative rods are provided with inserting clamping edges, and the decorative rods connected end to end are inserted through the inserting clamping edges in a matched manner; an assembly bayonet with a high tail and a low head is formed in the lower part of the decorative rod, and the bayonet depth of the assembly bayonet is gradually increased from the tail to the head; the lower frame of the photovoltaic module is clamped on the module bayonet; and a sealing plug is arranged on the decorative rod close to the cornice. The problems that an existing photovoltaic roof is generally single in structural modeling, small in roof application range, poor in heat dissipation performance and poor in waterproof leakproofness are solved.

The invention discloses a medical multifunctional infusion support device which comprises a base. A first stretchable rod is fixedly connected to the top of the base. The portions, of the two sides corresponding to the first stretchable rod, of the top of the base are each fixedly connected with a trapezoid supporting foot, the trapezoid supporting feet and the first stretchable rod are fixedly connected through first locking screws, a second stretchable rod is slidably connected to the surface of a second locking screw, fixing teeth are fixedly connected to one side of the surface of the first supporting plate, sliding teeth are slidably connected to one side of the surface of the first supporting plate, one sides of the surfaces of the sliding teeth inside the sliding groove are fixedlyconnected with springs, a clock is fixedly connected to one side of the surface of the first stretchable rod, wheels are fixedly connected to the bottom of the base, and the wheels are universal wheels. The invention relates to the technical field of medical apparatuses and instruments. The medical multifunctional infusion support device achieves the multifunctional effect, is simple in structure,occupies little space, is convenient to move and use, achieves multifunctional effect, and lowers potential safety hazards.

The invention discloses a ferris wheel emergency rescue device and a control method thereof. The ferris wheel emergency rescue device comprises an internal control system and an external rescue execution part, wherein the control system mainly comprises a monitoring sensor, a main control chip and an alarm unit; therefore, the alarm is given at the first time, ferris wheel power failure can be carried out at the highest speed. Lifting hooks arranged in the steel wire rope A and the steel wire rope B are connected with hanging lugs on a bottom rotating rod, a first winch, a second winch, a third winch and a fourth winch are started, the steel wire rope A and the steel wire rope B drive the rotating rod to rotate, the sightseeing bin at the high position is rotated to the bottom of the ferris wheel, and passengers in the sightseeing bin are rescued. The method is based on the device, and emergency rescue execution of the ferris wheel can be achieved through the device and the method provided by the scheme.