144results about How to "Strong bite" patented technology

The invention discloses a valve clamping device. The valve clamping device comprises a first clamping component, a second clamping component and a fixing component. The fixing component is used for fixing the first clamping component and the second clamping component. The first clamping component comprises at least two first clamping arms. The second clamping component comprises a corresponding number of second clamping arms. A pair of clamps can be formed by each first clamping arm and the corresponding second clamping arm. The valve clamping device has the advantages that the valve clampingdevice can employ the smooth-transition top design, the high-clamping-stability clamping tooth design and the 'one-stripe-for-dualpurpose' fixing ring deign, so that damage to valves during movement of the clamping device is reduced, users capture the valves conveniently, and clamping performance is improved while damage to the valves is reduced; the overall structure of the clamping device has high machinability, and production and manufacture of factories are facilitated.

A self-piercing nut has a main threaded cylinder (2) and a pilot (5) surrounding a threaded bore (3). The main cylinder has a lower end continuing to a flange (4), with the pilot (5) protruding from a central bottom of the flange so as to pierce a hole in a metal panel (11). A skirt (7) depends from the flange's periphery to serves as a seat (8) contacting the panel. An annular groove (9) is defined between the pilot (5) and skirt (7) such that the pilot is projected beyond the seat (8). The end face (6) of pilot has an outer diameter ‘B’ larger than that ‘A’ of the lower end of main cylinder (2). The outer periphery of pilot (5) is tapered to decrease its diameter inwards and to-wards the nut axis, and a corrugation (10) is formed in the outer periphery or in the inner periphery of skirt (7).

Provided is a suspended ceiling light steel subsidiary keel. Side walls on two sides of the light steel subsidiary keel are respectively provided with one groove type rib. The invention further relates to a method of assembling the light steel subsidiary keel in a special-shaped suspended ceiling. According to the method of assembling the light steel subsidiary keel in the special-shaped suspended ceiling, a connection piece is needed to be matched. Strip-shaped grooves which are matched with the groove type ribs of the light steel subsidiary keel are formed in corresponding positions of the connection piece. The connection piece is inserted into a light steel keel and the light steel subsidiary keel, is positioned through the groove type ribs and the strip-shaped grooves in an insertion-connection mode and finally fixes the light steel keel and the light steel subsidiary keel through the connection piece. Compared with a previous screw fixation mode, the suspended ceiling light steel subsidiary keel and the method of assembling the suspended ceiling light steel subsidiary keel in the special-shaped suspended ceiling are good in fixing effect, capable of improving the construction speed, free from requirements of adding spare parts and auxiliary structures, low in cost, firm in connection and free from dislocation.

The invention relates to a construction method for an unsymmetrical big-span and small-span subway tunnel, namely an excavation construction method for an unsymmetrical small-space tunnel. The excavation construction method comprises the following steps: firstly, excavating a small-span tunnel; putting an anchor rod in a clamped rock between a big-span tunnel and the small-span tunnel before the primary support of the small-span tunnel is manufactured, wherein the anchor rod has the functions of grouting and oppositely pulling; then manufacturing the primary support of the small-span tunnel; welding one end of the anchor rod with the primary support of the small-span tunnel; excavating the big-span tunnel by steps after the secondary lining of the small-span tunnel is manufactured; firstly excavating one side close to the small-span tunnel; processing and welding the other end of the anchor rod to the primary support of the big-span tunnel to form the oppositely pulling anchor rod; excavating the big-span tunnel by steps; and manufacturing secondary tunnel linings. In the excavation construction method, the clamped rock stability for excavating the small-span tunnel and the space effect of surrounding rock stress variation are considered, the oppositely pulling grouting anchor rod is used for reinforcing the clamped rock; the excavation sequence of firstly excavating the small-span tunnel and then excavating the big-span tunnel is cooperated; and the effects on stabilizing the clamped rock and controlling the support structure of the tunnel and ground sedimentation are obvious.

An artificial tooth or teeth and occlusion-controlling system(s) thereof, wherein information about the situation of occlusion in the mouth of a patient is transmitted to a computer (151) from a biting-pressure sensing element(s) (155) or film(s) incorporated in the present invention, and said computer (151) dictates control-signals to make a driving motor (152) or motors drive and adjust an occlusal surface of said patient in place so as to give a desirable, appropriate functional occlusion to said patient's comfort instantly.

The invention belongs to the technical field of waterproof materials and the paving methods thereof and specifically relates to a self-adhesive composite waterproof layer for a tunnel and a paving method of the self-adhesive composite waterproof layer. The waterproof layer is composed of a double-faced self-adhesive film polymer waterproof roll and single-rolled self-adhesive film composite non-woven cloth; the double-faced self-adhesive film polymer waterproof roll orderly comprises a bituminous adhesive layer, a polymer waterproof material layer and a self-adhesive layer from top to bottom; the single-rolled self-adhesive film composite non-woven cloth orderly comprises a self-adhesive layer, a polymer waterproof material layer and a non-woven cloth layer from top to bottom; the self-adhesive layer of the double-faced self-adhesive film polymer waterproof roll is glued with the self-adhesive layer of the single-rolled self-adhesive film composite non-woven cloth. The self-adhesive composite waterproof layer for the tunnel is used for solving the problems of waterproof plate tear and back voids of secondary lining concrete due to uneven surface of the primary support shotcrete, and the waterproof layer is securely attached on the structural surface of the primary support shotcrete and the secondary lining concrete permanently and securely in an effective and economic manner.

The invention discloses a method for preparing a microwave instant taco through sour dough and belongs to the technical field of food production. According to the method, firstly, liquid sour dough paste fermented through lactobacillus plantarum is prepared; secondly, the sour dough is taken to prepare taco dough, and the taco is prepared through the steps of fermenting, cooking and the like. According to the taco prepared through the method, the product technology can be effectively simplified, the product cost can be reduced, the amount of chemical addition agents can be decreased, the taco can be stored at least for four months at the normal temperature, the shelf expiration date of the product is effectively prolonged, the aging speed of the product is reduced, and the taco has the advantages of being nutrient, health, easy to process and the like.

The invention relates to a multi-position mandibular anti-snoring device, which comprises upper and lower jaw braces. Titanium alloy screws are embedded in the front teeth of the upper jaw, and titanium alloy hook holes are embedded in the inner side of the front teeth of the lower jaw. At the same time, the tip of the titanium alloy screw hook is connected to the titanium alloy hook hole, so that the lower jaw is supported, so that it can be easily opened and closed. Movement, so as to realize an adjustable anti-snoring device with multi-position adjustment of the mandible. The structure is simple and light, and it can be customized according to the tooth shape of different patients. .

The invention discloses an emergency safety device for car tire explosion. The safety device comprises a circular ring composed of at least two annular support bands, the adjacent ends of every two adjacent annular support bands are connected through an adjustable fastening part, and the annular support bands are installed in wheel grooves of wheel rims to be used; the radial inner surface of each support band is provided with a plurality of support cushion blocks which are evenly distributed, the inner end surface of each support cushion block is in a regular shape, and horizontal surfaces or oblique surfaces with the 10-degree oblique angles serve as the inner end surfaces; the radial outer surface of each support band is provided with a plurality of tooth-shaped engaging strips, the outer surfaces of the tooth-shaped engaging strips are provided with engaging teeth, and when the emergency safety device is used, the tooth-shaped engaging strips are closely engaged with the inner wall of a tire. According to the emergency safety device for car tire explosion, the structure is reasonable, assembling and disassembling are convenient, the tire and the wheel rims can keep synchronous running in the states of tire explosion or tire gas deficiency, the controllability of a steering and braking system is guaranteed, traffic accidents are reduced, and the traffic safety is improved.

The invention discloses a wood floor laying robot, and relates to the field of building machinery. The wood floor laying robot comprises a rack, a stock bin, a falling mechanism, a paving mechanism and a chassis, and the rack is mounted on the upper part of the chassis; the stock bin is mounted at the top of the rack and used for accommodating to-be-paved wood floors, and a discharging outlet is formed in the side part of the stock bin; the falling mechanism is arranged on the rack, located on the lower part of a second side part of the discharging outlet of the stock bin, and used for receiving the to-be-paved wood floors from the stock bin; and the paving mechanism is arranged on the rack, located on the lower part of the falling mechanism, and used for receiving the to-be-paved wood floors from a guiding mechanism and loading the to-be-paved wood floors into paved wood floors. The wood floor laying robot is simple in structure, the wood floors can be quickly laid, the construction site is tidy, and manpower input is lowered while the engineering quality is ensured.

The invention discloses a composite device for simultaneously realizing front traction of maxilla and orthodontic tooth three-dimensional movement. The device comprises a front tractor, a series of personalized bracket-free appliances, and traction elastic rings connecting the series of personalized bracket-free appliances and the front tractor. The device realizes three-dimensional orthodontic movement of teeth in an oral cavity by utilizing the series of personalized bracket-free appliances, and also provides supporting force for the traction elastic rings through the front tractor, so thatthe traction elastic rings generate forward elasticity which is conducted to the maxilla through the series of personalized bracket-free appliances so as to achieve the purposes of front traction of the maxilla and promotion of maxilla development of patients in the growth and development period. The device simultaneously realizes the promotion of the development of maxilla and the three-dimensional movement of orthodontic teeth of the patients in the growth and development period, thereby greatly improving the correction efficacy of osteal three dentofacial deformities of the patients in thegrowth and development period, and quickly realizing the four aims of the correction of the dentofacial deformities: beautiful appearance, function, health and stable occlusion.

The invention discloses an aluminum radiator of an improved riveting-embedding structure and a riveting method. After a riveting-embedding portion of each radiating aluminum fin is subjected to surface activation treatment, a nonporous solid blocking layer and a porous viscidity layer are attached to the surface of the riveting-embedding portion; after riveting-embedding grooves of an aluminum substrate are subjected to surface activation treatment, an aluminum oxide passivating film layer is attached to the surface of each riveting-embedding groove; and the riveting-embedding portions are in interference fit with the riveting-embedding grooves after riveting-pressing machining is conducted, clearances formed between the riveting-embedding portions and the riveting-embedding grooves are filled with the porous viscidity layers of the riveting-embedding portions after riveting-pressing deformation, and the porous viscidity layers of the riveting-embedding portions are in engaging fit with the aluminum oxide passivating film layers of the riveting-embedding grooves. According to the aluminum radiator of the improved riveting-embedding structure and the riveting method, the process is simple, riveting is firm, structure loosing or falling is not prone to occurring, and the heat conduction speed at the riveting joint is high.

The invention relates to the technical field of building materials and particularly discloses a light porous artificial stone board and a preparation method thereof. The density of the artificial stone board is below 2.0 g/cm<3>, and 500 or more holes are formed in every cubic centime of the artificial stone board. The artificial stone board is prepared from tile waste, kaolin, a foamer, ore sand and glaze. The stone board is low in mass, low in density and high in strength, and has good heat preservation and insulation functions, the waste recovery ratio is larger than 40%, and the stone board belongs to environment-friendly products. The surface texture of the stone board is closer to that of natural stone. The back face of the stone board is porous and is used for outer wall wet combining, a binder can permeate into gaps, engaging force is higher, and the stone board can be firmly attached to an outer wall. In addition, the stone board is calcined at high temperature, has stable physical and chemical performance, and is not prone to weather.

To provide a nut that is easy to fasten and does not come loose. A double nut (600) comprises a first nut and a second nut (500). The central axis C of a screw hole (30) in the first nut (400) (C2) and the center axis c of the bolt corresponding to the double nut (600) are consistent with the center axis C of the bolt corresponding to the double nut (600). A lower surface opening formed in the lower surface of the first nut is formed (407), and a central axis C1 of the lower surface opening part (407) extends from the bolt (80) is inclined (theta10) with respect to the central axis C. The second nut (500) is arranged on the upper surface of the second nut (73), an upper surface protruding portion (72), an upper surface protruding portion (72) and a nut main body portion (10) and the central axis c of the formed screw hole is consistent with the central axis C of the bolt.

The invention discloses a decorative board comprising a long or square board body which is provided with a first side surface and a second side surface which are opposite. The decorative board is characterized in that at least two paths of spaced joint tongues are bulged on the first side surface from top to bottom, and the second side surface is provided with at least two paths of spaced connecting troughs matched and installed with the joint tongues on the first side surface from top to bottom. Two paths of joint tongues and connecting troughs are provided by the invention; compared with the single chase mortise matching structure, the matching area of a board body trough and tenon joint is enlarged, frictional force is increased, and the board body trough and tenon joint are tightly meshed, have favorable stability and high joint strength; in addition, because the connecting trough and the joint tongues are in multilayer structure, water is stopped by the highest connecting troughs or joint tongues when water is used for cleaning the board body, so that water can not seep into other lower connecting troughs or joint tongues, and the phenomenon that the board body deforms or arches because of water penetration can be reduced. The design of long and short mortises can save more timber resource than common single tenon and brings better economic value.

The invention relates to the technical field of petroleum development downhole tools, and discloses a fully-soluble bridge plug. The fully-soluble bridge plug comprises a pull rod and a shear rod, wherein the shear rod is fixedly connected to the lower end of the pull rod through at least one fastening screw, the pull rod is sleeved with a central pipe, the outer surface of the lower end of the central pipe is connected with a one-way moving cone through a locking ring, a rubber sleeve is arranged between the outer surface of the central pipe and the upper end of the cone, the lower end of thecone is connected to the pull rod through a shear pin, the lower end of the shear rod is in threaded connection with a guiding shoe, and slips capable of being connected with the cone in an insertedmode are arranged on the guiding shoe. According to the fully-soluble bridge plug, through matching of the structures formed between the slips and the guiding shoe, the slips can be evenly broken whenbeing engaged with a casing pipe, and the risk that the bridge plug is not centered in the casing pipe due to the fact that the axial positions of the slips are not uniform or the slips are broken from a certain position to form a larger notch, and finally bridge plug anchoring is unreliable is avoided.

The invention discloses an efficient wire peeling device for power construction. The efficient wire peeling device comprises a moving wheel, a support frame, a work box, an inlet, a collecting box, apeeling device and a base. The moving wheel is installed on the bottom of the base. The collecting box is arranged on the base. The work box is arranged above the collecting box. The side of the workbox is fixedly connected with the base through the support frame. The side of the work box is provided with the inlet. The peeling device comprises a pedal pushing mechanism, a transmission mechanism,a synchronization device, a moving device, a rolling mechanism, a peeling mechanism, and a reset device. The efficient wire peeling device for power construction can peel a wire by a simple procedure, saves time and labor, improves work efficiency, and can generate cutting power by pedal operation, can transfer the power to the work box for cutting by the transmission mechanism. The synchronization device can ensure the cutting stability and the reset device facilitates the next cutting operation.

The invention discloses a special molding machine for automobile seat angle adjustment assembly, comprising a frame. The frame is provided with a primary forming device, an automatic assembling device and an linkage pipe station transfer device. An automatic feeding device is arranged at the upstream of the primary forming device. A discharge station is arranged at the downstream of the automatic assembling device, the linkage pipe is provided with a left inner convex ring and a right inner convex ring through the primary molding device. A left connecting plate and a right connecting plate are assembled on the automatic assembling device in a sleeving mode and a left outer convex ring and a right outer convex ring are formed on the automatic assembling device. The special molding machine does not need the welding operation, so that the left connecting plate and the right connecting plate are fixed in the left and right ends of the linkage pipe in a way similar to the riveting way, the firmness is higher, the degree of automation is high, and heat deformation of the linkage pipe is avoided. The invention also discloses a method for forming the regulating component, the forming method has the same effect as the molding machine.

The invention discloses meshing pincers which comprise a clenching mechanism and a clamping mechanism. The clenching mechanism comprises a fixed handle (10) and a movable handle (20). The clamping mechanism comprises a fixing pincer head (60) and a movable pincer head (70) for meshing foreign matter, and the movable handle (20) and the fixed handle (10) of the clenching mechanism can open and close to drive the movable pincer head (70) and the fixed pincer head (60) of the clamping mechanism to open and close. The clenching mechanism is further provided with a locking mechanism (80) which can lock the clamping state of the movable pincer head (70) and the fixed pincer head (60) by locking the open state of the movable handle (20) and the fixed handle (10) of the clenching mechanism. The meshing pincers can be automatically locked and increase meshing force and are convenient to operate and capable of saving labor and being poured and flushed in an operation, a wound surface is small, and the pain of a patient is relieved.