54results about How to "Uniform locking force" patented technology

The invention provides an automatic screw locking device for a moulded case circuit breaker, and solves the technical problems that work efficiency is low, work intensity is large and locking forces of locking screws are uneven when the locking screws are assembled on the moulded case circuit breaker, product consistency is poor, and quality of products is unstable. The automatic screw locking device for the moulded case circuit breaker is provided with a workpiece locking assembly, wherein the workpiece locking assembly is provided with a supporting plate; the supporting plate is provided with a torque-adjustable wrench; the torque-adjustable wrench is connected with a torsion shaft; a locking bit is arranged at the front end of the torsion shaft; a screw inlet is formed in the locking bit; the supporting plate is slidably connected with a vertical plate through a perpendicular guide track; a perpendicular feeding cylinder is arranged on the vertical plate; and one end of the perpendicular feeding cylinder is connected with the supporting plate. The automatic screw locking device for the moulded case circuit breaker can be widely used for automatic locking of screws.

The invention discloses a back tong of a top-driving well drilling device. The back tong comprises a back tong shell and a pair of tongs consisting of a left tong head and a right tong head; the back tong also comprises a tong head float mounting seat which can move right and left along the shell; one side of an inner cavity of the float mounting seat is provided with a hydraulic cylinder; the hydraulic cylinder float right and left through the pressure change of inner oil liquid; and the pair of the tong heads are connected with the float mounting seat and the sidewall of the hydraulic cylinder respectively. When the back tong of the top-driving well drilling device is shackled, the back tong can realize the effects of the reliable clamping of the back tong and the even and consistent locking force of the left tong head and the right tong head, and avoid the problems that the back tong is worn and a drill stem is scratched and needs mechanical strengthening; and when the shackling is finished and is loosened, the back tong can keep proper distance with the drill stem, has the same clearance with the drill stem, prolongs the service cycle and replacement cycle of the back tong so that the whole top-driving well drilling device is safer and more reliable.

A hose end fitting in which a connection body (300) is secured to a hose end (401) by an inner sleeve (200) and an outer collar (100). A radius of an outer surface (201) of the inner sleeve (200) is greater than a radius of an inner surface (102) of the outer collar (100) such that when the outer collar (100) is forced over the inner sleeve (200), the inner sleeve is radially compressed onto the hose end. The outer collar (100) and inner sleeve (200) are locked in position by the radial expansion force of the compressed hose (401) and the inner sleeve (200).

The invention belongs to the technical field of a detection device, and relates to a sealing property detection device for a submersible pump. A pressure tank body and a guide bar at the outside of the tank body are fixed on a pedestal of a box; a tank cover of the pressure tank is slidingly arranged on the guide bar which is arranged between a top board and the tank body, and can be lifted and dropped driven by a cylinder; the tank body and the tank cover are locked together through an automatic locking device; the lower side of a vertical mounting board fixed on the bottom surface of the tank cover is provided with a supporting plate, a submersible pump positioning clamp and a bulkhead; the bulkhead is driven by the cylinder to move in the lateral direction and is used for blocking an oil chamber detection joint of the submersible pump; the middle part of the tank cover is provided with a bulkhead which is driven by the cylinder to move up and down and is used for blocking a motor chamber detection joint for the submersible pump; and the side wall of the tank cover is provided with a cable slot and a cable sealing locking block. The sealing property detection device for a submersible pump has the advantages of being accurate in the control motion, being high in detection precision, having more detection items, and being suitable for high accuracy detection of the submersible pump.

The invention relates to a locking structure of a discharging door of a hard ice cream machine and the application thereof. The locking structure comprises a hand handle revolving shaft seat, a revolving shaft A, a revolving shaft B, a copper bush and a hand handle; wherein, the hand handle revolving shaft seat is fixedly arranged on the hard ice cream machine and is positioned at the side of the discharging door; the revolving shaft A is connected with the hand handle revolving seat in a fitting way. The screwed end of the revolving shaft B is screwed together with the revolving shaft A. The hand handle is sheathed on the revolving shaft B. The copper bush is pressed in a counter bore of the hand handle revolving seat in a fitting way so as to ensure that the surface of the two sides of the hand handling revolving seat is neat. The discharging door of the hard ice cream machine adopting the locking structure has better leak tightness, more harmonious appearance, and overcomes the defects that the traditional locking structure may lead to lax sealing of the discharging door in the locking aspect.

The invention relates to an intelligent decontamination all-in-one machine for a recycled asphalt concrete highway sewer. The intelligent decontamination all-in-one machine comprises a lifting locking device which has the good cleaning direction performance, the good device locking performance and the lifting adjustment performance, wherein an angle conversion device is mounted on the lower end surface of the lifting locking device, and has the advantage that the cleaning angle is accurate and adjustable, so that the bent position of a pipeline is easy to dredge, a searching and decontaminating device is mounted at the lower end of the angle conversion device, and can realize the functions of automatically searching foreign matters and efficiently smashing the foreign matters, the foreign matter particles after smashing are automatically washed away by virtue of sewage, the dredging effect is good, the risk of secondary blockage within a short time does not exist, the manual secondary treatment for the foreign matters and sludge is not needed, and therefore, the work efficiency is high. With the adoption of the intelligent decontamination all-in-one machine, the full-automatic dredging function for the sewer can be realized, and a novel path for automatically and efficiently cleaning the sewer is provided.

The invention discloses a double-person double-lock connecting rod mechanical device. The connecting rod mechanical device comprises a plurality of lock part mechanisms and transmission strips fixed to lock grooves through the lock part mechanisms, wherein lock part connecting rods are hinged to lock part cranks, the lock part connecting rods are fixedly connected with lock part moving rods and drive the lock part moving rods to move up and down, the transmission strips are connected with transmission gears in a meshed mode, lock cylinders are arranged at one ends of the transmission strips, the transmission gear drives the first lock cylinder to move left and right through the transmission strips, the transmission strips are connected with the plurality of lock cylinders through the plurality of lock cylinder connecting rods, and the transmission strips drives the third lock cylinder to move up and down through the lock cylinder connecting rods; and a poisonous anesthesia medicine cabinet comprises the connecting rod mechanical device, the plurality of lock part mechanisms are connected with a plurality of key holes, and the transmission gears are connected with a door handle androtates along with the rotation of the door handle. According to the connecting rod mechanical device, the plurality of lock cylinders are connected through the plurality of connecting rods, the lockcylinders extend out of different parts of a cabinet door and clamp a cabinet body, the influence of the lock cylinders on the neutrality is eliminated, it is ensured that the locking force of the whole cabinet door is uniform, the multi-fixed-point design is adopted, and the movement resistance is reduced.

The invention relates to intelligent municipal engineering road sewer cleaning equipment. The intelligent municipal engineering road sewer cleaning equipment comprises a lifting and locking device, wherein the lower end surface of the lifting and locking device is provided with an index dirt removal device, the index dirt removal device can realize the functions of automatically indexing sundries and efficiently crashing the sundries, the crashed sundry particles are automatically flushed away by virtue of sewage, the dredge effect is good, the risk of secondary blocking within a short time is avoided, and the sundries and sludge are prevented from being treated manually for a second time, so the working efficiency is high. The lifting and locking device comprises an upper lifting circular table, the middle of the lower end surface of the upper lifting circular table is provided with a lifting motor through a motor base, an output shaft of the lifting motor is provided with a lifting screw through a coupling, the bottom end of the lifting screw is installed on a lifting support plate through a bearing, and four No. 2 locating shafts are symmetrically welded between the lifting support plate and the lifting circular table. According to the equipment provided by the invention, the full-automatic dredging function of a sewer can be realized, and a novel full-automatic efficient approach for cleaning the sewer is provided.

The invention relates to intelligent municipal engineering road sewer cleaning equipment. The intelligent municipal engineering road sewer cleaning equipment comprises a lifting and locking device, wherein the lower end surface of the lifting and locking device is provided with an index dirt removal device, the index dirt removal device can realize the functions of automatically indexing sundries and efficiently crashing the sundries, the crashed sundry particles are automatically flushed away by virtue of sewage, the dredge effect is good, the risk of secondary blocking within a short time is avoided, and the sundries and sludge are prevented from being treated manually for a second time, so the working efficiency is high. The lifting and locking device comprises an upper lifting circular table, the middle of the lower end surface of the upper lifting circular table is provided with a lifting motor through a motor base, an output shaft of the lifting motor is provided with a lifting screw through a coupling, the bottom end of the lifting screw is installed on a lifting support plate through a bearing, and four No. 2 locating shafts are symmetrically welded between the lifting support plate and the lifting circular table. According to the equipment provided by the invention, the full-automatic dredging function of a sewer can be realized, and a novel full-automatic efficient approach for cleaning the sewer is provided.

A lightweight automobile seat adjusting device can greatly improve the convenience of seat adjustment, by supporting the adjusting device in an elastic supporting manner, the cushioning performance ofthe seat can be improved when the seat is adjusted, the device can reduce vibration due to adjustment, improve seat comfort, prevent discomfort caused by collision during adjustment; the invention adopts the mode of circular guiding column to perform adjustment, and locks with a locking assembly on the slider, the convenience of seat adjustment can be improved, At the same time, the locking assembly of the invention can prevent the damage of the locking hook or the locking tongue to the guide rail. The locking assembly of the invention cannot damage the circular guide pillar, the locking force is uniform, and the device has higher adjustment comfort and stability.

The invention relates to concrete road sewer sewage removing equipment for municipal maintenance. The concrete road sewer sewage removing equipment for municipal maintenance comprises a parallel supporting mechanism. The parallel supporting mechanism comprises a fixed platform, three parallel branch chains are evenly installed on the lower end face of the fixed platform in the axial direction, and the top ends of the three parallel branch chains are all installed on a movable platform. A lifting locking device is welded to the lower end face of the movable platform and achieves good cleaning direction performance, equipment locking performance and lifting adjusting performance. An angle conversion device is installed on the lower end face of the lifting locking device and has the advantage that the cleaning angle is accurate and adjustable. A searching and sewage removing device is installed at the lower end of the angle conversion device and can achieve the functions of automatically searching for debris and efficiently smashing the debris. Smashed derbies particles can be automatically washed away along with sewage, and the dredge effect is good. The concrete road sewer sewage removing equipment for municipal maintenance can achieve the full-automatic sewer dredging function and provides a new way for full-automatic efficient sewer cleaning.

The invention relates to a supporting robot used for decontamination of a concrete road sewer. The robot comprises a self-stability running gear. The middle part of the upper end face of the self-stability running gear is welded with a lower supporting circular truncated cone. The upper end face of the lower supporting circular truncated cone is uniformly welded with six supporting cylinders along an axis direction. The middle part of the upper end face of the lower supporting circular truncated cone is welded with a supporting stand column. The upper end faces of the supporting stand column and the six supporting cylinders are welded with an upper supporting circular truncated cone. The upper end face of the upper supporting circular truncated cone is provided with a connecting sheet through a screw. The middle part of the upper end face of the connecting sheet is welded with a supporting bended arm. The tail end of the supporting bended arm is welded with a lifting locking device. Four reinforcement blocks are welded between the periphery of the tail end of the supporting bended arm and the lifting locking device. The lower end face of the lifting locking device is provided with an angle conversion device. The supporting robot realizes a rigid supporting function in a sewer cleaning process, eliminates chattering phenomena in the cleaning process, and device stability is good and manual operation is not needed. A new approach for rigid support in sewer cleaning is provided.

The invention relates to a lifting locking device used for decontaminating a sewer of a concrete road. The lifting locking device comprises an upper lifting round table, wherein a lifting motor is mounted in the middle of the lower end surface of the upper lifting round table through a motor base, a lifting screw is mounted on an output shaft of the lifting motor through a coupler, the bottom end of the lifting screw is mounted on a lifting support board through a bearing, four No.2 positioning shafts are symmetrically welded between the lifting support board and the upper lifting round table, and the effect of uniformly supporting the lifting support board is achieved through the four No.2 positioning shafts; a lifting ejecting block is mounted on the lifting screw through threads, four No.1 positioning holes are symmetrically formed in the lifting ejecting block, four No.2 locating shafts are arranged in the four No.1 positioning holes in the lifting ejecting block in a penetrating manner, respectively, and the four No.1 positioning holes play the role of limiting the motion direction of the lifting ejecting block. According to the lifting locking device, the rigid lifting locking function in the sewer cleaning process can be realized, and the manual operation is not needed.

The invention provides an internally-locking-type push broach which comprises an expanding core, an expanding sleeve and locking bolts. The expanding sleeve sleeves on the outer side of the expanding core, a rear guide member, a spline push broach body, a rectangular spline and a front guide member are sequentially arranged on the outer side of the expanding sleeve from left to right in a sleeved manner, a through hole is arranged at a position of the central axis of the expanding core, a cylindrical supporting seat is arranged at the left end in the through hole in an inserted manner, multiple threaded holes in annular-array-type arrangement and parallel to the central axis of the expanding core are arranged on the right-side end face of the expanding core, and the locking bolts are arranged in the threaded holes. The push broach body, the guide members and the supporting seat are locked in an internally-locking manner through matched use of the expanding core and the expanding sleeve. Compared with conventional locking structures, an internally-locking structure of the internally-locking-type push broach is small in occupied space, and the internally-locking-type push broach is connected with a machine tool unilaterally, so that convenience is brought to mounting and demounting of workpieces, internally-locking force is lasting, and repeated locking is avoided.

The invention relates to a supporting integrated machine for cleaning a bituminous concrete road sewer. The machine comprises a lifting locking device which has the good cleaning direction performance, equipment locking equipment and lifting adjusting performance. The lower end face of the lifting locking device is provided with an angle conversion device which has the advantage that the cleaning angle is accurate and adjustable, and therefore a bent portion of a pipeline is easy to dredge. The lifting locking device comprises an upper lifting circular truncated cone, the middle of the lower end face of the upper lifting circular truncated cone is provided with a lifting motor through a motor base, an output shaft of the lifting motor is provided with a lifting lead screw through a coupler, the bottom end of the lifting lead screw is installed on a lifting supporting plate through a bearing, and four second positioning shafts are symmetrically welded between the lifting supporting plate and the upper lifting circular truncated cone. According to the supporting integrated machine, a rigid supporting function is achieved in the sewer cleaning process, manual operation is not needed, and a new approach is provided for rigid support during cleaning of the sewer.

The invention relates to a parallel-connection lifting locking device for urban sewer decontamination. The lifting locking device comprises a parallel-connection supporting mechanism. A lifting locking device body is installed in the middle of the upper end face of the parallel-connection supporting mechanism and has good cleaning performance, device locking performance and lifting adjusting performance. The parallel-connection supporting mechanism comprises a fixed platform. Three parallel-connection branch chains are evenly installed on the lower end face of the fixed platform in the axis direction. The top ends of the three parallel-connection branch chains are all installed on a movable platform. Each parallel-connection branch chain comprises a lug base welded to the lower end face and the upper end face of the fixed platform. A first hydraulic cylinder is installed on the lug base through a pin shaft and can rotate on the lug base. The top end of the first hydraulic cylinder is provided with a connecting cylinder through threads. The connecting cylinder is provided with a threaded column through threads. The tail end of the threaded column is welded to a movable cylinder. The rigid lifting locking function in the sewer cleaning process can be achieved, the shaking phenomenon in the cleaning process is eliminated, device stability is good, and no manual operation is needed.

The invention relates to walking-limited concrete road sewer support equipment which comprises a self-stabilization walking device, wherein a lower support circular truncated cone is welded at the middle of the upper end surface of the self-stabilization walking device; six support cylinders are uniformly welded at the upper end surface of the lower support circular truncated cone along the axis direction; support vertical columns are welded at the middle of the upper end surface of the lower support circular truncated cone; an upper support circular truncated cone is welded on the upper end surfaces of the support vertical columns and the six support cylinders; the upper end surface of the upper support circular truncated cone is provided with a connection plate by virtue of a screw; a support bent arm is welded at the middle of the upper end surface of the connecting plate; a lifting locking device is welded at the tail end of the support bent arm; four rib blocks are welded between the periphery of the tail end of the support bent arm and the lifting locking device; the self-stabilization walking device comprises a walking mounting table; the lower end surface of the walking mounting table is symmetrically provided with four support mechanisms connected in parallel. A rigid support function during a sewer clearing process is achieved, and a new way for rigid support for sewer clearing is provided.

The invention discloses a rotary shaft mechanical locking device based on the lever micro-motion principle. The rotary shaft mechanical locking device is mainly composed of three main parts, namely acam mechanism, a lever device and a locking assembly. The locking principle of the locking device is characterized in that the cam mechanism is driven by a hand wheel to move, and the lever micro-motion principle is utilized, so that the lever mechanism is enabled to slightly move up and down by means of hinge points; and the appearances of the two ends of the lever device are reasonably arrangedso that the lever device can tightly press pressing blocks in the locking device. According to the rotary shaft mechanical locking device based on the lever micro-motion principle, the factors of thedeformation of shafting and the reliability of the locking effect are considered, the three pressing blocks are evenly arranged on the locking assembly, pressing and loosening of the pressing blocks are controlled through the lever device and the hand wheel, the structure is reliable and reasonable, and the operation is convenient.

The invention belongs to the technical field of pressure tanks, and relates to an automatic locking device for a tank cover of a pressure tank. The pressure tank comprises a pressure tank body and the tank cover covering an opening of the tank body. Three or more fixing seats are arranged on the outer wall of the opening of the tank body at intervals in the circumferential direction. A hinging portion in the middle of each locking block is hinged to the corresponding fixing seat through a hinging shaft, a locking hook is arranged on the upper side of each locking block, and a driving arm is arranged on the lower side of each locking block. A driving ring is arranged on the lower sides of the driving arms, driven by a power device to move up and down and mounted on the outer wall of the pressure tank in a sleeving mode. The driving ring is provided with wedge blocks driving the driving arms to rotate around the hinging shafts. After the tank cover covers the opening of the tank body and the power device drives the driving ring and the wedge blocks to move upwards, the wedge blocks drive the driving arms to rotate so as to enable the locking hooks of the locking blocks to clamp the upper surface of the tank cover, and automatic locking of the tank body and the tank cover is achieved. The automatic locking device has the advantages that the tank body and the tank cover are automatically locked, locking stability is good, friction force is small, and the automatic locking device is suitable for automatic locking between the tank body and the tank cover of a small pressure container.