36results about How to "Not easy to drill" patented technology

The invention provides a preparation method of an integrally-woven hot-pressed friction material. According to the method, metal fibers, inorganic fibers and/or organic fibers are made into plied yarns; the plied yarns are woven into cloth through a multi-layer integral weaving method; the cloth is soaked in resin and then dried, so that a blank can be obtained; the blank is cut and then placed ina hot-pressing mold; hot-pressing curing is conducted to obtain a semi-finished product; and the semi-finished product is subjected to heat treatment, machining and other procedures, so that a finished product can be obtained. As the friction material takes the integrally woven cloth as a framework, the fiber content of thefriction material is high, and the resin content of the friction materialis low. The finished product is high in strength and low in hardness, has certain flexibility, and can assist in solving the problems of an existing friction material.

The invention discloses an ice ball lock system with an active warning function and relates to the technical field of ice ball locks. The ice ball lock system has the advantages that a lock cylinder is not likely to be drilled, and a warning can be given actively when a key insertion hole of an ice ball lock is drilled. The ice ball lock system comprises an ice ball lock body, a protective jacket, a mobile phone, a warning center, a controller and a wireless module connected with the controller. The wireless module can be in wireless connection with the mobile phone and the warning center under instructions of the controller correspondingly. If the controller receives pressure signals uploaded by a pressure detection sensor, short-distance temperature signals uploaded by a short-distance temperature detection sensor, long-distance temperature signals uploaded by a long-distance temperature detection sensor, vibration signals uploaded by a vibration detection sensor and drilling sound signals uploaded by a drilling sound detection sensor simultaneously and the short-distance temperature signals are larger than the long-distance temperature signals, the controller gives information that someone is drilling the ice ball lock to the mobile phone of a user or the warning center by means of the wireless module, and then the user or the warning center can conduct corresponding processing.

The invention provides a sheet material, a preparation method and a use method. The sheet material comprises the following raw materials in parts by mass: 40-75 parts of polyvinyl chloride; 10 to 20 parts of calcium carbonate; 10 to 30 parts of wood; and 5-10 parts of an auxiliary additive. The sheet material provided by the invention has the advantages of less formaldehyde release, high environmental protection degree, high mechanical strength, easy cleaning and good fireproof performance.

The invention discloses a diamond ring processing technology. The technology comprises the following steps: (1) planting a wax tree, and welding the wax plates with selected patterns together; (2) putting the planted wax tree into a crucible, and carrying out reverse moulding; (3) adding gold, and then performing a high-temperature treatment; (4) cutting the mould in sequence to obtain a plurality of blanks of ring holders; (5) grinding and polishing the plurality of ring holders; (6) welding the metal frame and the ring holders together; (7) grinding and polishing the ring holders and metal frame again; (8) embedding a diamond into the metal frame; (9) grinding and polishing for the last time; (10) electroplating the finished diamond ring in electrolyte, and printing patterns on the ring to obtain a diamond ring finished product. The operation is simple, the produced diamond ring has high glossiness, the diamond will not fall out easily, the cost for entrepreneurs is reduced, and at the same time, the requirements of consumers are fully met.

The invention discloses a drilling and fixing platform for a steel channel of a paying-off tackle main frame and belongs to the technical field of special tools for electric equipment. The drilling and fixing platform comprises two bases arranged in parallel, a stop head I and a stop head II, wherein the stop head I and the stop head II are perpendicularly located between the two bases and used for containing workpieces. A fixing support used for installing a jack to clamp the workpieces is arranged on the outer side of the stop head I. A round hole allowing a jack head of the jack to penetrate is formed in the stop head I. The bases are provided with a pressing device for preventing the workpieces from moving. The pressing device comprises multiple supporting rods, pressing rings arranged on the supporting rods and pressing strips, wherein each pressing strip penetrates the pressing rings on the same base. By the adoption of the drilling and fixing platform, the drilling efficiency is improved by over three times compared with that of a vice, time is saved, and production efficiency is improved; due to the fact that the pressing device is arranged, the phenomenon that multiple workpieces are arched upwards when flatly placed in drilling operation can be effectively prevented, and the contact area of the platform is large; and in the drilling process, the safety coefficient is high, drilling deviation is not likely to happen, and the product quality of a paying-off tackle is guaranteed.

The invention relates to a novel lock comprising a safety protection board, a password lock, a password wheel, a key lock, and the like. A key hole on the key lock is blocked by the safety protection board installed in the front; the key hole is hidden behind the protection board; and the opening and closing of the safety protection board is controlled by the password lock beside the safety protection board. The key hole of the novel lock is not exposed, so that the lock can not be easily drilled by criminals or unlocked by a master key, therefore, the protection is enhanced; and the novel lock is safe and practical and can be used in various doors, warehouses, safes and the like.

The invention discloses an ice ball lock system with an intelligent alarm function and relates to the technical field of ice ball locks. An ice ball lock is provided with a lock cylinder and is unlikely to be drilled; and when a key insertion hole of the ice ball lock is drilled, an alarm can be given out actively. The ice ball lock system with the intelligent alarm function comprises an ice ball lock body, a protective sleeve, a mobile phone, an alarm center, a controller and a wireless module connected with the controller. The wireless module can be connected with the mobile phone and the alarm center wirelessly under a command of the controller. If the controller receives a pressure signal uploaded by a pressure detection sensor, a close-range temperature signal uploaded by an close-range temperature detection sensor, a remote temperature signal uploaded by a remote temperature detection sensor, a vibration signal uploaded by a vibration detection sensor and a drilling sound signal uploaded by a drilling sound detection sensor and the close-range temperature is larger than the remote temperature signal, the controller immediately sends an alarm indicating that the ice ball lock is drilled by someone to the mobile phone of a user or the alarm center by means of the wireless module, and then the user or the alarm center can give a corresponding response.

The burning device flame cover is made by forging a ring a even distributed slant teeth on the inner ring of the flame cover with an included angle alphawith the radius of the inner circle of the flame cover, vertical surface of the root of the slant teeth forming an included angle beta with the vertical direction, flame drilling hole to fasten the flame cover with a clamp tool, drilling the drill hole surface and flame drill vertical surface. With the dividing disc driving the rotation of the flame cover to allow the flame hole vertical surface perpendicular to the drill head, drilling the drilling surface of the slant drill teeth and the flame hole of the root slant teeth and lathe the upper slant surface slant teeth of the inner circle. It is simple and low in cost.

The invention discloses an ice hockey lock system with an active alarming function, and relates to the technical field of ice hockey locks. An ice hockey lock is provided with a lock cylinder not prone to being drilled, and when a key inserting hole of the ice hockey lock is drilled, an alarm can be actively given. The ice hockey lock system comprises an ice hockey lock body, a protection sleeve, a mobile phone, an alarm center, a controller and a wireless module connected with the controller. The wireless module can be in wireless connection with the mobile phone and the alarm center through an instruction of the controller. If the controller receives pressure signals uploaded by a pressure detection sensor, near temperature signals uploaded by a short-distance temperature detection sensor, far temperature signals uploaded by a far-distance temperature detection sensor, vibration signals uploaded by a vibration detection sensor and drilling sound signals uploaded by a drilling sound detection sensor at the same time and the near temperature signals are larger than the far temperature signals, the controller immediately sends the information that somebody drills the ice hockey lock to the mobile phone of a user or the alarm center through the wireless module, and the user or the alarm center can do corresponding treatment accordingly.

The invention discloses an ice ball lock system capable of achieving automatic alarm, and relates to the technical field of ice ball locks. An ice ball lock is provided with a lock cylinder, thereby being not likely to be drilled. When a key inserting hole of the ice ball lock is drilled, an alarm can be actively given. The ice ball lock system comprises an ice ball lock body, a protective sleeve, a mobile phone, an alarm center, a controller and a wireless module connected with the controller. The wireless module can be in wireless connection with the mobile phone and the alarm center correspondingly under the instruction of the controller. If the controller simultaneously receives a pressure signal uploaded by a pressure detection sensor, a short-distance temperature signal uploaded by a short-distance temperature detection sensor, a long-distance temperature signal uploaded by a long-distance temperature detection sensor, a vibration signal uploaded by a vibration detection sensor and a drilling sound signal uploaded by a drilling sound detection sensor and the short-distance temperature signal is larger than the long-distance temperature signal, the controller immediately gives an alarm to the mobile phone of a user or the alarm center through the wireless module to indicate that somebody drills the ice ball lock, and then the user or the alarm center can carry out corresponding treatment.

The invention discloses an ice ball lock system capable of achieving active locking and relates to the technical field of ice ball locks. An ice ball lock is provided with a lock cylinder and is unlikely to be drilled; and when a key insertion hole of the ice ball lock is drilled, an alarm can be given out actively. The ice ball lock system capable of achieving active locking comprises an ice ball lock body, a protective sleeve, a mobile phone, an alarm center, a controller and a wireless module connected with the controller. The wireless module can be connected with the mobile phone and the alarm center wirelessly under a command of the controller. If the controller receives a pressure signal uploaded by a pressure detection sensor, a close-range temperature signal uploaded by a close-range temperature detection sensor, a remote temperature signal uploaded by a remote temperature detection sensor, a vibration signal uploaded by a vibration detection sensor and a drilling sound signal uploaded by a drilling sound detection sensor and the close-range temperature is larger than the remote temperature signal, the controller immediately sends an alarm indicating that the ice ball lock is drilled by someone to the mobile phone of a user or the alarm center by means of the wireless module, and then the user or the alarm center can give a corresponding response.

The invention belongs to the technical field of deep foundation pit construction, and particularly discloses a construction method for a foundation pit wall body of a complex stratum with soft upper part and hard lower part. The construction method comprises the steps that S1, survey lofting, equipment entering and equipment positioning are conducted; S2, a full-casing full-rotary drilling machine is adopted to vertically guide holes to the level of a hard rock stratum, then a down-the-hole hammer drilling machine is adopted to continue excavation to the groove bottom, guide holes are formed, and at least two guide holes are drilled along the center line of the foundation pit wall; S3, a guide wall groove is excavated along the side boundary of the foundation pit wall body, and concrete is symmetrically cast in place on the two sides of the guide wall groove to form guide walls; S4, in the slurry wall protection state, a trenching machine is adopted to excavate a soil body between the hole sites till the elevation of the hard rock stratum; and S5, in the slurry wall protection state, a slot milling machine is adopted to excavate the hard rock part of the soil body between the hole positions till the slot bottom, and the down-the-hole hammer drilling machine is adopted to assist in crushing the hard rock. According to the combined grooving construction method, the grooving quality is ensured, the construction assembly line is formed, the grooving work efficiency is improved, and the combined grooving construction method has very high application value.

The invention discloses a hockey lock system with an active locking function and relates to the technical field of hockey locks. A hockey lock is provided with a lock cylinder, so that the hockey lock is not likely to be drilled; and when a key inserting hole of the hockey lock is drilled, an alarm can be sent out actively. The hockey lock comprises a hockey lock body, a protective sleeve, a mobile phone, an alarming center, a controller and a wireless module connected with the controller; the wireless module can be in wireless connection with the mobile phone and the alarming center under an instruction of the controller; if the controller receives a pressure signal uploaded by a pressure detection sensor, a near temperature signal uploaded by a short-distance temperature detection sensor, a far temperature signal uploaded by a long-distance temperature detection sensor, a vibration signal uploaded by a vibration detection sensor and a drilling sound signal uploaded by a drilling sound detection sensor at the same time and the near temperature signal is greater than the far temperature signal, the controller immediately sends a signal indicating that a person is drilling the hockey lock to the mobile phone of a user or the alarming center by means of the wireless module, and the user or the alarming center can make corresponding treatment.