35results about How to "Strong pulling force" patented technology

A building thermal insulation dry powder mortar belongs to a building thermal insulation material. The weight ratio of a dry powder to water is 1: 1.5. The dry powder is prepared by mixing 450 parts by mass of ordinary portland cement, 70 parts by mass of a calcined gypsum powder, 37.5 parts by mass of a redispersible emulsion powder, 15 parts by mass of fine xylem fibers, 13 parts by mass of polypropylene staple fibers, 10 parts by mass of slaked lime, 10 parts by mass of sierozem, 10 parts by mass of heavy calcium carbonate, 3 parts by mass of hydroxypropyl methyl cellulose, 364 parts by mass of a calcined expanded perlite and 17.5 parts by mass of a premixed auxiliary agent. The thermal insulation building dry powder mortar has the advantages of strong thermal insulation, strong bond with walls, high compressive strength, strong drawing force, excellent weather resistance, and environmental protection, and also has the advantages of fire resistance, cracking resistance, leakage resistance, moisture resistance, sliding resistance, earthquake resistance and the like.

The invention discloses an electric connector and a wire connecting method thereof. The connecting method comprises the step of connecting socket wires or plug wires and comprises the following concrete steps: strengthening the end parts of wires; welding and protecting each wire after the end parts of the wires are welded with a socket or a plug; and protecting the integrated wires connected with the socket or the plug. The electric connector comprises a socket, a plug, a first wire cable and a second wire cable, wherein the first wire cable and the second wire cable are respectively connected with the plug or the socket; metal terminals are fixed at the end parts of the wires and are welded together with pins on the plug or the socket; a small thermal shrinkable sleeve is sleeved at thewelding part of the wires; a big thermal shrinkable sleeve is sleeved outside the second wire cable; and the sheath of the first wire cable is clamped by a tail clamp of the plug. The connecting method of the invention can enhance the connecting strength, can enhance the tensile resistance and the torsion resistance, and completely can ensure the reliability requirement of a reinforced computer. The electric connector of the invention has high connecting strength, tensile resistance and torsion resistance, and the wires can not be broken easily.

The invention relates to a coal mine tunnel drilling rig, specifically relates to a drilling rig which can perform super-deep hole directional drilling in non-soft coal layers and perform deep hole double-tube directional drilling in soft coal layers and solves the problem that existing drilling rigs can not perform super-deep hole directional drilling in the non-soft coal layers and can not perform deep hole directional drilling in the soft coal layers. According to the drilling rig, two power heads, a shackle mechanism and a clamp holder are mutually cooperated; by means of a combination drilling mode which combines technologies of hole bottom dynamic directional drilling, sleeve revolving drilling and hole deslagging, the problem of hole collapse in the soft coal layers can be solved, and drilling efficiencies are improved; the drilling rig uses a split self-walking structure, the whole drilling rig can independently walk when the drilling rig is divided into two parts, the size of the whole drilling rig is controlled, and adaptivity to a roadway is improved; a feed mechanism uses a hydraulic motor to drive a spiral pair to provide feed forces so that the two power heads can achieve large-stroke independent action and coordination action on the same axis; and the drilling rig is provided with a support oil cylinder and a ground anchor cylinder and is high in intensity of a rig body and work stability.

The invention discloses a novel plastic injection mould of an oblique core-pulling mechanism. A support plate is arranged on a movable mould base plate, wherein a movable mould plate is arranged on the support plate; a cavity plate is arranged on the movable mould plate; a fixed module base plate is arranged on the cavity plate; a swinging rod is arranged in a cavity body and is articulated in the support plate; a pin shaft I is arranged on one side of an oblique pin; the pin shaft I is connected with the oblique pin in a long circular sliding slot of the swinging rod in a sliding manner; the swinging rod is connected with a connection rod; the other end of the connection rod is articulated with a sliding block; a guide rail rod penetrates through the sliding block; a bracket I is arranged on one side of the cavity plate and is articulated with a bent pin swinging hook; a bracket II is arranged on one side of the movable mould plate; a pin shaft II is arranged at the end of the bracket II and is located in an oblique guide slot of the bent pin swinging hook; a convex mould is arranged on the movable mould plate; an oblique rod at the upper end of the oblique pin is arranged in an oblique hole of the movable mould plate; a pushing rod is arranged under a plastic part generation tank; a pushing plate fixing plate is arranged under the pushing rod; a pushing plate is arranged in the pushing plate fixing plate. According to the novel plastic injection mould of the oblique core-pulling mechanism, the swinging rod-bent pin structure is used for obliquely pulling the core; the structure is simple and is liable to manufacture, great in pulling force and adjustable in core-pulling distance.

The invention discloses an injection mould with a pushing needle for pushing out. The injection mould includes a bottom plate, a back mould plate and a surface plate. The surface plate is provided with a front mould plate. The front mould plate and the back mould plate are movably connected to each other through a guide column. A back mould insert is arranged in the back mould plate and a front mould insert is arranged in the front mould plate. A flow pass is disposed between the front mould insert and the back mould insert. The bottom plate is provided with a pushing needle bottom plate. The pushing needle bottom plate is provided with the pushing needle, a first water opening pushing needle, a second water opening pushing needle and a third water opening pushing needle, wherein heads of the pushing needle, the first water opening pushing needle, the second water opening pushing needle and the third water opening pushing needle are disposed in the flow pass. The head of the second water opening pushing needle is fan-shaped and the heads of the first water opening pushing needle and the third water opening pushing needle are ball-shaped. The injection mould is simple in structure and is convenient to use. A material is convenient to push out. The injection mould is large in material-pushing strength and a plastic workpiece can be pushed out more conveniently during a demoulding process.

The invention relates to an apparatus, in particular a firing apparatus (1) for a pyrotechnic protection apparatus, in particular an airbag or belt pretensioner, comprising: a power leadthrough, in particular a metal fixing material leadthrough (2), comprising a base body (8) which is provided with a passage opening (7), and at least one metal pin (6) which is arranged in the passage opening (7) in the base body (8) in a fixing material (6); a housing part (19, 4) which at least partially accommodates the power leadthrough so as to form a space for accommodating a propellant charge (5); a casing (22) which at least partially surrounds the power leadthrough (2), the metal pin (6) and the housing part (19, 4); wherein the base body (8) has a thickness D in the range of from 2.0 mm to 0.1 mm, preferably in the range of from less than 1.0 mm to 0.1 mm, in particular less than 0.8 mm to 0.5 mm, and means (27) are provided on the metal pin (6) in such a way that the casing (22) engages with the metal pin, wherein the casing and the base body together absorb a pull-out force of the metal pin which is greater than 150 N, in particular greater than 165 N, preferably greater than 200 N, in particular greater than 250 N, in particular greater than 300 N.

The invention relates to a scaffold cantilever material platform with sheave tensioning adjustment devices. The scaffold cantilever material platform comprises a material platform plate. The two sides of the material platform plate are each provided with one material platform longitudinal beam. Each material platform longitudinal beam is connected with the surface of a building floor through a U-type anchoring bolt fastening device. Two sets of hoisting rings are arranged in the symmetrical positions of the two sides of the material platform plate correspondingly. Each set of hoisting rings includes a safety hoisting ring, a tensioning hoisting ring and a material platform plate hoisting ring, wherein the safety hoisting ring is connected with a safety steel wire rope, the tensioning hoisting ring is connected with a tensioning steel wire rope, and the material platform plate hoisting ring is connected with a hoisting steel wire rope. The two sides of the upper portion of the material platform plate are each provided with one sheave tensioning adjustment device. The safety steel wire rope and the tensioning steel wire rope on the same side are jointly connected with the sheave tensioning adjustment device on the corresponding side. The tensioning force of the four steel wire ropes of the cantilever material platform in the invention is large, and safety and reliability are realized. The scaffold cantilever material platform can be repeatedly dismounted and mounted for use many times, is convenient to install, saves labor and materials when manufactured, and has remarkable economical benefits.

A universal spherical joint supporter with an anti-loosening position-limiting structure comprises a main spherical joint structural part consisting of a main top base with a concave spherical surface and a main bottom base with a convex spherical surface; the main bottom base consists of a base body, at least three reinforced plates and a steel ball; the steel ball is a convex ball component arranged in the bottom base; the reinforced plates are distributed in the bottom base radially and vertically by taking the vertical middle axis line of the steel ball as a central line; each reinforced plate is provided with a vertical edge closely to the middle axial line of the steel ball; a spherical concave position used for bearing the steel ball is arranged on an upper plate of the reinforced plate closely to the middle axis line by taking the spherical center of the steel ball as a center, and a convex claw is arranged in a space between every two adjacent reinforced plates on the main bottom base correspondingly to the lower circumference of the main top base, thus forming the position-limiting structure of the spherical joint. The position-limiting structure can play roles of preventing loosening, restricting the rotation of the top base around the axis line and bearing the pulling force and has excellent bearing performance; and when the position-limiting structure bears the pulling force, the spherical joint part can rotate slightly and simultaneously.

The invention provides a hydraulic pipe drawing device, relating to the field of building construction. The hydraulic pipe drawing device consists of a hydraulic system and a pipe drawing device; the hydraulic ram arm of the hydraulic system is provided with a pipe drawing frame; the middle part of the pipe drawing frame is provided with a large steel pipe insertion hole; the insertion hole and the large steel pipe are locked firmly by a locking device. The hydraulic pipe drawing device of the invention is corollary equipment of the construction method for the impact-typed large-diameter steel pipe pore-forming pouring pipe. The hydraulic pipe drawing device has simple structure, large upper drawing force and convenient movement; especially the steel pipe is clamped firmly by tapered iron; therefore, the hydraulic pipe drawing device has the greatest advantages that the greater the upper drawing resistance of the steel pipe is, the greater the claming force is, thus leading the steel pipe punched into the ground with extremely large upper drawing resistance to be pulled out easily.

The invention provides a hydraulic key puller. The hydraulic key puller is composed of a hydraulic puller, a clamping block seat, wedge-shaped clamping blocks and a base. The hydraulic puller serving as a core power part of the hydraulic key puller is a double-acting hollow hydraulic cylinder and is mainly composed of a piston rod, an outer cylinder body, a hollow cylinder barrel, a cylinder cover, a hanging ring and a number of sealing pieces and guiding pieces. A first oil nozzle and a second oil nozzle are arranged on the outer cylinder body, and a key outlet and threaded holes for fixing adjusting bolts are formed in the cylinder cover. The hydraulic key puller is compact in structure, large in pulling force, easy to operate, convenient and reliable to use and high in adaptability, and hydraulic key pullers with various dimensions, various strokes, various pulling forces and various clamping block forms can be customized according to the dimensions, shapes and other actual conditions of target keys. By the adoption of the hydraulic key puller and a key pulling method, the working efficiency can be improved, potential safety hazards can be eliminated, and good economic benefits are brought to users.

The sheet metal pullout appliance of the invention is composed of a stretcher shell forming the external container; a shaft component capable of advancing and regressing freely relative to the stretcher shell and provided with gear rack at one plane along the length direction; more than two gear components with pinion included, which are set in the shell for advancing and regressing the shaft component, and an external force guiding device for applying stretching force to the gear components, the gear components amplify and transfer guided external force to the force pulling out the shaft component by gear ratio of the gear components. The positive effect of the present invention is that: (1) external is amplified by the gear ratio of the gear components to form stronger pullout force; (2) pullout force and pullout amount are optionally set by adjusting gear ratio through stretch lever; (3) depression with comparative high hardness of the sheet metal can be pulled out; (4) the sheet metal pullout appliance owns lower working intensity, easy operation, light weight, and high efficiency.

The invention discloses a mining lateral resistivity video imaging well-logging instrument. The mining lateral resistivity video imaging well-logging instrument includes a control console and a display. The display is arranged at the upper end of the control console, and the control console and the display are fixedly connected through bolts. The display is electrically connected with a power supply, and the control console is electrically connected with the power supply. A cable is arranged at the left end of the display. In the mining lateral resistivity video imaging well-logging instrument, a reinforcing rib is arranged at the surface end of a traditional cable so that the whole structure of the cable can have stronger pulling force under the action of the reinforcing rib, the phenomenon of cable breakage is avoided, and the reinforcing rib is fixed to a first centralizer in an insertion mode through a pin shaft. A first temperature detector and a second temperature detector are arranged in the mining lateral resistivity video imaging well-logging instrument so that temperature detection can be better carried out by the first temperature detector and the second temperature detector during temperature detection, and the phenomenon of inaccurate temperature detection is avoided.

The invention provides a metal product punching method, a metal product, a metal plastic combined product and a terminal. The metal product punching method comprises the steps that a to-be-punched meta product is placed on a laser punching workbench, and a punching strategy aimed at the metal product is confirmed; and then, a laser source on the laser punching workbench is adopted to punch the metal product according to the punching strategy, at least one hole formed through the method is used for accommodating a plastic material flowing into the hole in an injection molding stage, and after the plastic material is cured, the plastic material and the metal product are combined. According to the metal product punching method, the hole which combines the metal product with the plastic material is formed through the laser source, so that relative to holes formed through hardware punching, the hole has the advantage that the hole wall is more rough, after the plastic material is cured in the hole, adhesive force of the hole is higher, the plastic iron separation probability is reduced, and reliability of the metal plastic combined product is improved.

The invention relates to the technical field of drivers, and discloses a software driver and a software device. The software driver comprises a hose, a transmission part and a driving device; an innercavity of the hose is filled with fluid; one end of the hose is arranged in the transmission part in a penetrating manner; the driving device is connected with the transmission part and can drive thetransmission part to move so as to drive the hose to move relative to the transmission part; when the hose retracts into the transmission part in the first direction, the transmission part extrudes the hose, and fluid in the hose is extruded out of the hose; and when the hose extends out of the transmission part in the second direction, the extruded fluid flows back into the hose. In the softwaredriver, the output response of the driving pressure is more sensitive, the structure is simpler, and the software driver can adapt to a complex operation environment.

The invention discloses a building progressive collapse resisting reinforcing system and method with HPFL and steel plates combined. The system comprises the anchoring steel plates bonded on the surface of a column to be reinforced and an HPFL reinforcing layer arranged on the surface of a beam to be reinforced, and the HPFL reinforcing layer comprises a carrying steel net, an adhesion agent layer and a high-performance mortar binding layer. The method comprises the steps that 1, loads are removed, the surface is leveled, and cracks are sealed; 2, the surface is polished, cleaned and dried; 3, the anchoring steel plates and the carrying steel net are prefabricated; 4, the carrying steel net is anchored on the anchoring steel plates, and fixes the anchoring steel plates; 5, the carrying steel net is fixed; 6, watering wetting is carried out; 7, the adhesion agent layer and the high-performance mortar binding layer are sprayed; 8, maintenance is carried out; 9, rust preventing treatment is carried out on the anchoring steel plates. The building progressive collapse resisting reinforcing system and method are convenient to construct, the bearing capacity and ductility of the original beam to be reinforced and the original column to be reinforced are improved, a building to be reinforced is not damaged, the integrality and progressive collapse resisting capacity of the building are improved, and application and popularization are facilitated.

The invention provides a dynamic truck scale and a truck scale system. The dynamic truck scale comprises a supporting structure layer, a bearing structure layer and a limiting structure. The supporting structure layer is used for being connected with an installation foundation; the bearing structure layer and the supporting structure layer are arranged at an interval, the bearing structure layer is located above the supporting structure layer, and a weighing bearing surface is formed on the surface of the side, away from the supporting structure layer, of the bearing structure layer; and the limiting structure is arranged between the supporting structure layer and the bearing structure layer, and the two ends of the limiting structure are connected with the supporting structure layer and the bearing structure layer correspondingly, so that when a vehicle impacts the weighing bearing surface, the bearing structure layer is prevented from moving relative to the supporting structure layer. The problem that in the prior art, when a dynamic truck scale overcomes the displacement problem of a weighing bearing table, the economy and practicability of the truck scale are poor, and the limiting stability of the weighing bearing table is poor is solved.