53results about How to "Avoid loosening and falling off" patented technology

The invention relates to the field of tube clamps, in particular to a clamp tool for a square tube. The clamp tool comprises a chassis and a clamping assembly. According to the clamp tool for the square tube, a first-class screw is rotated, the inner end of the first-class screw is rotationally connected with a movement plate, the guide effect on a first-class sliding block and left and right sliding rails exists, the whole clamping assembly moves in the left-right direction, and adjustment of left and right clamping zones is achieved; a second-class screw is rotated, as guide of a second-class sliding block and front and back guide rails, a clamping plate moves in the axial direction of the second-class screw, adjustment of front and back clamping zones is achieved, and adaptation to thesquare tube size change is achieved; and in addition, due to thread self-locking, the condition of loosening falling caused by reverse rotation is effectively avoided.

The invention discloses an automatic power construction robot which structurally comprises a mechanical arm, a power connection wire, a connection arm, a rotary connection seat and a fixed base; a through hole is formed in the upper side of the connection arm; the mechanical arm is connected to the interior of the through hole in an embedding manner; the connection arm is connected with the mechanical arm in an interference fitting manner; one end of the power connection wire is connected to the interior of the mechanical arm in the embedding manner and is closely connected with the interior of the mechanical arm; one end of the bottom of the connection arm is connected with the rotary connection seat through a bearing; the cross section of the rotary connection seat is of a circular structure; and the rotary connection seat is arranged on the fixed base. The automatic power construction robot provided by the invention realizes clamping operation on an object during construction and can effectively improve the clamping stability to the object, avoids the conditions of loosening, falling and the like, is beneficial to maintaining the construction order and improves the working efficiency in the construction process.

The invention discloses an integrated brush and its injection mold. The integrated brush includes a brush handle and brush filaments. The brush handle is molded by injection molding, and is integrally formed with the brush filaments through injection molding. The integrated brush The injection mold of the injection mold comprises a fixed mold and a movable mold, the fixed mold is installed on the bottom of the fixed template, the movable mold is installed on the upper part of the movable template, guide columns are arranged on the top surface of the movable template, and the movable template The bottom of the bottom is connected with a support column and a base in turn, and a push shaft is sleeved in the base, and the top of the push shaft has a push plate, a push rod and a push rod guide rod in turn. The invention integrates the brush handle covered with the brush wire through the injection molding process, the bonding is firm and reliable, the material can be directly remelted and utilized, the waste of resources and equipment cost investment are reduced, the product specifications are relatively uniform, and the production efficiency is high.

The invention discloses a temperature-resistant and cold-resistant control cable with a fluoroplastic insulating thermoplastic elastic sheath. The cable comprise conductors, a wrapping tape and a second sheath. The wrapping tape is wound on the outer surface of the side edge of first sheaths; fillers are filled between the first sheaths and the wrapping tape. The outer surface of the side edge ofthe wrapping tape is provided with an armor tape, the outer surface of the side edge of the armor tape is sleeved with the second sheath, the number of the conductors and the number of the first sheaths are respectively seven, the thickness of the second sheath is larger than that of the first sheath, the second sheath and the first sheaths are made of fluoroplastic materials; and the wrapping tape is made of non-woven fabric materials. According to the temperature-resistant and cold-resistant control cable with the fluoroplastic insulating thermoplastic elastic sheath, the control cable hasa double-thermal-insulation structure, the temperature resistance and cold resistance of the cable can be effectively improved, the cable can be suitable for a high-temperature or low-temperature environment, and the application range of the cable is widened.

The invention discloses an electric meter box enabling more secure wiring. The electric meter box comprises a box cover and a box body; the box cover is installed at the front end of the box body; thebox cover and the box body are fixedly connected with each other through hinges; two main wire locking devices are additionally arranged inside the electric meter box; the two main wire locking devices are respectively installed on the inner walls of the left end and right end of the box body directly above two main wire holes; and therefore, after an electric meter and a total switch in the electric meter box are wired and installed, main wires passing through the main wire holes can be locked and fixed through the main wire locking devices. The wires passing through the wire holes can be prevented from loosening, and a condition that the wires are loosened and detached from the electric meter or the total switch which is caused by manual pulling of the wires can be prevented, and thus,short circuits and fires caused by the looseness and falling off of the wires can be avoided. With the main wire locking devices adopted, the use safety of the electric meter box as well as the electric meter and switch in the electric meter box can be greatly enhanced.

The invention belongs to the technical field of mechanical accessory production, and particularly relates to a clamping and fixing device for mechanical accessory production. Aiming at the problem that the existing clamping and fixing device is as only a simple hanging tool, the existing clamping and fixing device is prone to shake during spraying operation so that the production efficiency of a side cover plate is affected, the following scheme is proposed. The clamping and fixing device comprises a base plate, the top end of the base plate is fixedly provided with a plurality of partition plates, a top plate is fixedly installed between the top ends of the partition plates, both ends of the top of the top plate are both provided with strip-shaped through holes, the inner parts of the twostrip-shaped through holes are slidably connected with supporting rods, and the bottom ends of the two supporting rods are provided with driving mechanisms. In the clamping and fixing device for mechanical accessory production, effectively clamping and fixing the side cover plate is carried out by a clamping mechanism which is installed on the side face of a supporting mechanism, and in the process of paint spraying, the side cover plate can be rotated by a stepping motor, so that convenience for double-sided spraying of the side cover plate is provided, and the phenomenon of uneven paint distribution caused by shaking of the side cover plate can be avoided in the spraying process.

The invention discloses automatic packaging equipment for pipe film covering, and relates to the technical field of pipe packaging equipment. The automatic packaging equipment for pipe film covering comprises a base and two sets of sliding rods symmetrically and fixedly connected to the upper end face of the base through fixing blocks, a mounting base is fixedly connected between the sliding blocks, the right end of a connecting rod is fixedly connected to the left end of the mounting base, and an annular pipe is arranged at the upper end of the mounting base through a conveying pipe; nozzles are communicated with the circumference of the outer surface wall of the annular pipe at equal intervals and point to the center direction of the annular pipe; according to the device, a pipe can be automatically subjected to film covering operation, time and labor are saved, heating and compacting can be conducted after film covering is completed, so that an adhesive film can be tightly wound around the outer portion of the pipe, the situation of loosening and falling is avoided, dust on the surface of the pipe can be cleaned, the adhesive film can be tightly attached to the surface wall of the pipe, and the service life of the pipe is prolonged. The film covering quality is improved.

The invention discloses a silicone rubber insulation shielding medium-voltage mobile cable. The cable comprises a rubber sheath, a wrapping layer, a shielding layer, a first semi-conductive layer, aninsulating layer, a second semi-conductive layer and conductors, wherein the number of the conductors is three groups; the second semi-conductive layer is arranged on the outer surface of the conductor in a sleeving manner; the insulating layer fixedly sleeves the outer surface of the side edge of the second semi-conductive layer; the first semi-conductive layer is arranged on the outer surface ofthe side edge of the insulating layer; the outer surface of the first semi-conductive layer is fixedly sleeved with the shielding layer; the outer surface of the shielding layer is wound and wrappedwith a wrapping layer; the rubber sheath is fixedly sleeves the outer surface of the side edge of the wrapping layer; and the rubber sheath and the insulating layer are both made of a silicone rubbermaterial. According to the silicon rubber insulation shielding medium-voltage mobile cable, the cable is provided with a double-layer protection structure, and the safety of the cable in use is improved. Meanwhile, the cable is provided with the double-wrapping structure, and the efficiency of cable wrapping processing operation is improved.

The invention discloses a scenic spot multi-pipe fire hose reel. The scenic spot multi-pipe fire hose reel comprises a reel support plate; one end of the reel support plate is rotationally connected with a reel inner ring; a first reel outer ring is mounted on the outer side of the reel inner ring; connecting bolts are uniformly embedded in one end of the first reel outer ring; and a hose protecting base is connected to the other end of the first reel outer ring. The scenic spot multi-pipe fire hose reel is scientific and reasonable in structure and safe and convenient to use; through arrangement of the connecting bolts, the first reel outer ring and the hose protecting base, fire hoses wound on the hose reel can be exposed, so that the fire hoses are conveniently and quickly replaced and maintained, and the replacement and maintenance convenience of the fire hoses is improved; and through arrangement of an embedding column, an embedding plate and a fixing plate, the embedding column and the embedding plate can be mounted more tightly to meet complex mountain structures in scenic spots, so that the loose falling condition generated between the support plate and mountains is prevented.

The invention discloses a urine acquisition device for a patient. The urine acquisition device comprises a urine collecting bag, a connecting block and a connecting belt, wherein the upper end of theurine collecting bag is equipped with a connecting tube in an embedded way; the upper end of a fixing sleeve is reserved with a rope penetrating hole; the connecting blocks are arranged at both left and right sides of the connecting tube; an extruding rod is mounted at the inner side of a limiting slot; the inner part of a connecting slot is equipped with a connecting plate in a clamping way; theinner side of a fixed slot is equipped with a spring, and the outer end of the spring is connected with a limiting block; the connecting belt is positioned at the upper end of the connecting plate atthe left side of the connecting tube, and fixing holes are formed in the surface of the connecting belt; a fixing belt is arranged at the upper end of the connecting plate at the right side of the connecting tube, and the top end of the fixing belt is fixedly equipped with a fixing sheet; and the inner part of the fixing sheet is equipped with a fixing rod in a penetrating mode. The urine receiving device for an ICU male patient has the characteristics of preventing the urine collecting bag and a urine discharge portion of the patient from loosening and dropping, and conveniently replacing theurine collecting bag; and the connecting tube and the fixing sleeve are coated with anti-freezing layers, so that use experience of the patient is improved.

The invention relates to an array type silencer with a stable structure.The array type silencer comprises a box body, a silencing mechanism, a fixing mechanism and a lifting mechanism, the silencing mechanism comprises two stand column sets, a silencing column is arranged between the two stand column sets, the fixing mechanism comprises a bolt rod, and a bolt head is arranged at one end of the bolt rod. According to the array type silencer with the stable structure, the silencing mechanisms are spliced through the fixing mechanism, due to the fact that bolt rod of the fixing mechanism is limited by a sleeve rod and a tension spring, the situation that the bolt rod loosens and falls off is avoided, the silencing column can be lifted through the lifting mechanism, and therefore the stress of the fixing mechanisms is reduced, and the stability of the mounting structure is improved. The box body is divided into the inner shell body and the outer shell body, inert gas is injected between the inner shell body and the outer shell body, and the carbon dioxide detector is installed, so that the damage condition of the structure can be found in time, the damage position of the structure is repaired, and the stability of the structure is ensured.

The invention discloses a low-residual-voltage protection device, and particularly relates to the technical field of power transmission protection devices, the low-residual-voltage protection device comprises a residual-voltage protection device, the upper surface of the residual-voltage protection device is in lap joint with the lower surface of a top pressing plate, and a positioning groove is formed in the upper surface of the residual-voltage protection device; the top pressing plate is located in a positioning groove formed in the upper surface of the residual voltage protection device. According to the residual voltage protection device, by arranging the positioning toothed plates, the winding cable and the side pressing plate, after positioning is completed, the two positioning toothed plates fix the position of the side plate, meanwhile, the driving device can fix the driving shaft through internal parts of the driving device, and therefore the stability of the side pressing plate when the residual voltage protection device is fixed is guaranteed, and in the actual use process, the residual voltage protection device can be fixed more stably. The condition that the connecting part of the residual voltage protection device and the bus is loosened and falls off due to shaking after the residual voltage protection device is installed is avoided, it is guaranteed that the residual voltage protection device is not prone to short circuit in the using process, and the actual using effect of the protection device is guaranteed.

The invention discloses a special cable for an intelligent coal mining machine, which comprises a power line, a control line, a communication line, an optical fiber, a grounding line, an air pipe andan insulating jacket, a zipper mechanism is arranged on the insulating jacket, and the insulating jacket is closed by the zipper mechanism to form an insulating sleeve; and the power line, the controlline, the communication line, the optical fiber, the grounding line and the air pipe are arranged in an inner cavity of the insulating sleeve, the air pipe is arranged in the middle of the insulatingsleeve, and a foam extrusion filling layer is arranged on the inner wall of the insulating sleeve. The insulating outerjacket is provided with an anti-disengaging and anti-abrasion accessory, the anti-disengaging and anti-abrasion accessory comprises a tightening ring strip fixedly arranged on the insulating outer sleeve in a sleeving mode, the tightening ring strip is provided with a plurality of supporting rolling pieces, and the tightening ring strip is fixed through a positioning mechanism to form a positioning ring arranged on the insulating outer sleeve in a sleeving mode. And the insulating jacket is provided with a positioning hoop mechanism. Various lines are integrated, various requirements of the coal mining machine are met, and the anti-abrasion device has the advantage of being good in anti-abrasion effect.

The invention belongs to the technical field of geological survey, and particularly relates to a non-static 3D map view which comprises a map box body and further comprises a lifting assembly arranged on one side of the map box body, and the lifting assembly comprises a handle, a threaded rod, a ring cylinder, a positioning strip, a lever, a rotating shaft, a stabilizing rod, a connecting shaft, a connecting plate and map plates. The map plates can be separated and lifted by the lifting assembly , workers can effectively observe topographic features of a certain place, effective illumination work can be carried out on the lifted map plates through cooperative work of the illumination assembly and the lifting assembly, the workers can concentrate on planning work of the place, through the connection work of a clamping head arranged on a connecting assembly and a connecting column, the connecting assembly and the lifting assembly can be stably connected, and the situation that the map plate looses and falls off in a long-term planning project is avoided.

The invention discloses a card structure and electronic equipment, and belongs to the field of electronics. The card structure comprises a card body, a chip part and a limiting part, wherein an accommodating groove is formed in the card body, the chip part is arranged in the accommodating groove, and the limiting part is arranged on the side surface of the card body, and wherein the limiting partis used for being matched with a card support, and the card structure is installed in the card support. According to the embodiment of the invention, the problem that the card structure is easy to loosen and fall off after being installed is solved.

The invention discloses a process of punching a center hole of an aluminium alloy wheel hub by spinning. The process comprises the steps of rotating a screwing button of a threaded rod according to dimension of the aluminium alloy wheel hub, wherein the threaded rod moves out from a threaded bushing, adjusting a separation distance between a first disc and a second disc, loosening a telescopic rodand an outer loop bar by the first and second discs, pulling a first clamp and a second clamp outward to extract the telescopic rod from the outer loop bar, adjusting a separation distance between the first clamp and the second clamp, rotating fastening bolts on the first and second clamps, wherein inner shoe plates in the first and second clamps are loosened to pull two ends of the first and second clamps; and extracting the inner shoe plates from the first clamp and the second clamp, and adjusting notches of the first and second clamps. According to the process, aluminium alloy wheel hubs of different sizes can be perforated by the process, so that it is firmer to fix the aluminium alloy wheel hubs, and meanwhile, it can be flexible to control the perforating depths and the perforatingpositions of the aluminium alloy wheel hubs, so that the operating flexibility of the aluminium alloy wheel hubs is improved.