1695results about How to "Improve support strength" patented technology

The utility model discloses mounting equipment and a trolley thereof. The mounting equipment comprises a main trolley. The trolley comprises a frame, a first micro-motion mechanism and a second micro-motion mechanism, the first micro-motion mechanism is arranged on the frame, and the second micro-motion mechanism is arranged on the first micro-motion mechanism and can be connected with the lifting appliance in the vertical direction. The vehicle frame is slidably connected to the main vehicle, and the first micro-motion mechanism is slidably connected to the vehicle frame in the first direction so as to adjust the positions of the second micro-motion mechanism and the lifting appliance in the first direction; the second micro-motion mechanism is connected to the first micro-motion mechanism in a sliding mode in the second direction so as to adjust the position of the lifting appliance in the second direction; the first direction, the second direction and the vertical direction intersect pairwise. Through combination of the two micro-motion mechanisms, accurate determination and fine adjustment of the hoisting position of the trolley can be achieved, and therefore accurate butt joint installation can be conducted on a to-be-installed part hoisted by the hoisting tool. The weights of the two micro-motion mechanisms directly or indirectly act on the frame, the supporting strength and the supporting stability are good, and the structural layout of the trolley is more compact.

The invention discloses a mahjong machine and a horizontally-pushing tile feeding device and a tile supporting plate transmission mechanism thereof, the mahjong machine comprises a tile feeding seat, a tile supporting plate, two tile feeding curve cams, two tile feeding rocker arms, two tile feeding rocker arm shafts, two tile feeding rocker arm cams and two first gears, the tile feeding rocker arm cams are fixedly connected with the tile feeding rocker arm shafts, cam grooves are formed in the tile feeding rocker arm cams, and the tile supporting plate transmission mechanism is arranged on the tile feeding seat. The first gear is rotatably mounted on the mahjong feeding seat and is in matched transmission with the mahjong feeding rocker arm cam through a crank; and the two first gears are driven by a horizontal pushing mahjong tile feeding motor to rotate synchronously. According to the scheme, the gear transmission mechanism is adopted, the cam is installed on the mahjong tile feeding rocker arm shaft and is in matched transmission with the mahjong tile feeding rocker arm shaft through the crank gear, transmission torque is large, stability and synchronism are better, the torque transmission capacity and bearing capacity of the mechanism are improved, the supporting strength of the mahjong tile supporting plate is improved, the transmission structure is more reasonable, and lifting of the mahjong tile supporting plate is smoother and more reliable; installation and debugging are more convenient, and maintenance, disassembly and assembly are more convenient.

The display box assembly comprises a box body, the box body is an open box body, the bottom of the box body is in a plane shape, the box body is provided with a plurality of side parts, the side parts are arranged at the bottom, the display box assembly further comprises a base plate, a bearing plate and a supporting frame, the base plate is provided with a plurality of filler strips, the filler strips are clamped together, and the supporting frame is arranged on the bearing plate. The cushion plate is arranged in the box body, the cushion strips are distributed on the cushion plate in a cross shape, the cushion plate is arranged in the box body, the cushion strips on the cushion plate are in contact with the bottom of the box body, the bearing plate is arranged in the box body, elastic plates are arranged on the periphery of the bearing plate, and the elastic plates are tightly attached to the side portion of the box body. The elastic plate is perpendicular to the bearing plate and the base plate. Compared with the prior art, the display box assembly has the advantages that the supporting frame is additionally arranged in the box body, the supporting strength of the display box assembly on the lower portion is improved, and the phenomenon that the display box assembly collapses, inclines and collapses when stacked up and down is reduced.

The invention discloses a high-strength pull rod screw for braking, and relates to the field of automobiles. The lower end of a butt joint connecting part assembly is fixedly connected with a pull rod screw end body; a built-in preset oil supply channel is formed in the butt joint connecting part assembly and the pull rod screw end body, a second attaching sealing layer is bonded to the upper end of the built-in preset oil supply channel in a butt joint mode, and a vertical guide reserved groove is formed in the lower end of the outer side of the butt joint connecting part assembly. According to the high-strength pull rod screw for braking, the abutting reserved butt joint piece at the lower end makes contact with the interior of a brake disc to abut against and move inwards, so that the transverse locking supporting piece making contact with the abutting reserved butt joint piece is pressed through the inclined face of the abutting reserved butt joint piece, and the transverse locking supporting piece is pushed to move outwards along the interior of the butt joint connecting part assembly; and the transverse locking supporting pieces on the outer sides of the screw holes abut against the interiors of the screw holes for secondary positioning, and therefore the installation strength and stability of the whole screw are efficiently improved.

The invention discloses a positioning device and a positioning method for a bar planting hole of a constructional column in the technical field of bar planting positioning, a plurality of connecting rods and adjusting supporting rods are assembled into a frame structure in the same plane, a gradienter is further mounted on a center rod, and a foot stool is mounted at each of two ends of each adjusting supporting rod through bolts. A plurality of laser positioners are installed on a frame structure composed of the connecting rods and the adjusting supporting rods, each laser positioner coincides with one embedded steel bar positioning point, a building body on the top of a floor can be marked through the laser positioners, the position of an embedded steel bar hole of a constructional column can be calibrated and positioned all the time, laser positioning is light beam irradiation positioning, and the positioning accuracy is high. In addition, continuous irradiation positioning is achieved during drilling, and it is guaranteed that the drilling direction is accurate; and the supporting height of the frame can be adjusted through the foot stands and the adjusting rods, so that the frame composed of the connecting rods and the adjusting supporting rods can be kept horizontal, the positioning precision of the embedded steel bar holes is improved, and the construction speed and precision are improved.

The invention provides electronic equipment, a display module, a supporting piece and a preparation method of the supporting piece. The supporting piece comprises a first fixing part, a first connecting part, a first bending part and a second fixing part, and the first bending part is provided with at least one groove and / or through hole; the first fixing part is made of a first metal material, the first bending part is made of a second metal material, the first connecting part comprises the first metal material and the second metal material, the hardness of the second metal material is larger than that of the first metal material, and the density of the first metal material is smaller than that of the second metal material; the second fixing part is made of a third metal material, the hardness of the second metal material is larger than or equal to that of the third metal material, and the density of the third metal material is smaller than or equal to that of the second metal material. The supporting piece is of a composite structure of the first fixing part and the first bending part, the material hardness of the first bending part is large, the material hardness of the first fixing part is small, the density of the first fixing part is small, and high reliability and light weight of the supporting piece can be achieved.

The invention discloses a hanging basket system for symmetrical pouring of cantilevers of a variable-cross-section stacked box aqueduct in the technical field of stacked box aqueduct pouring. The hanging basket system comprises a stacked box girder body, an upper truss is arranged on the edge of the upper end of the stacked box girder body in the pouring direction, the upper truss is provided with a suspension arm extending downwards, and a pouring hanging bracket assembly is arranged at the lower end of the suspension arm; the pouring supporting effect of the bottom of the lower box is achieved through stable anchoring of the bottom formwork, the supporting frame which is relatively fixed and matched with the lower box is arranged in the lower box, the supporting cantilever extends in the pouring direction through the supporting frame, and the supporting cantilever is used for bearing the bracket, so that the pouring supporting structure of the whole upper box is formed; the suspension arm is simultaneously connected in series with the bottom template and the support cantilever, so that the integrity is ensured; the whole structure can guarantee the pouring process of the variable cross-section stacked box aqueduct, has good supporting strength and connecting rigidity, and can effectively achieve the pouring process from stacked boxes to short stacked boxes and then to single boxes.

The invention relates to the technical field of tunnel construction, in particular to a construction method for a double-track tunnel to pass through basalt with tuff in a water-rich section. Comprising the following steps: S1, tuff identification; s2, advanced geological forecast; s3, closing the tunnel face; s4, a forepoling system is established; S5, a tunnel body is excavated, wherein a three-step method is adopted as an excavation construction method; s6, reinforcing a steel frame lock leg support; s7, support parameters are determined; s8, arranging drainage holes; and S9, monitoring and measuring. A plurality of supporting systems are formed, the supporting effect is good, combination with the soil body is stable, the water plugging consolidation effect is obvious, and construction is safe and reliable; the supporting method and the grouting means are organically combined, the procedure connection continuity is good, safety is high, the application range is wide, the construction speed is high, and safety performance is high. The construction method is mainly applied to the construction aspect of the double-track tunnel crossing the basalt and tuff in the water-rich section.

The utility model discloses a supporting device for building steel structure construction. The lifting device comprises a supporting column and a lifting structure. The lifting structure is arranged in the supporting column; the lifting structure comprises a lifting column inserted into the supporting column, teeth evenly welded to the outer wall of the lifting column, an adjusting box welded to the outer wall of the lifting column, a gear rotationally connected to the inner wall of the adjusting box, a rotating handle welded to one end of the extending part of the gear and a limiting bolt in threaded connection to the outer wall of the supporting column. The lifting column with the same length as the supporting column is inserted into the supporting column, the limiting bolt is screwed off, the rotating handle is shaken, the gear rotates to drive the teeth to move up and down, and therefore the height of the lifting column in the supporting column can be adjusted, and the rotating handle can be prevented from rotating when the limiting bolt is screwed off. The lifting structure adopted by the device improves the range of the supporting and adjusting height, supporting can be carried out under a high structure, and the practicability of supporting and using of the device is improved.

The utility model provides sectional material storage equipment, which relates to the field of sectional material storage, and adopts the technical scheme that the sectional material storage equipment comprises a material storage frame and a support frame, and further comprises a sectional material correction unit, the sectional material correction unit comprises a lifting beam, a conveying belt assembly and a positioning assembly, the lifting beam is arranged along the sectional material conveying direction and is connected with a driving part, and the conveying belt assembly is connected with the positioning assembly. The driving part can drive the lifting beam to move in the vertical direction, the driving part is connected with the input assembly, the multiple conveying belt assemblies are arranged on the lifting beam in parallel, the conveying direction of the conveying belt assemblies is perpendicular to the conveying direction of the input assembly, and the tops of the conveying belt assemblies are higher than the input assembly after the conveying belt assemblies are lifted. The positioning column is located at the conveying final position of the conveying belt assembly, the lower portion of the positioning column is connected with a supporting plate, and the top of the supporting plate is not lower than the top of the conveying belt assembly after descending. The sectional material correcting device can automatically correct sectional materials, avoids deflection and mechanical faults, and achieves full-automatic warehouse-in and warehouse-out.

The invention relates to the technical field of power cables, in particular to a tensile vibration reduction type power cable. Comprising an outer protective layer; the winding layer is arranged in the outer protective layer in a winding manner; the armor layer is arranged in the winding layer; the filling layer is arranged in the armor layer; the plurality of wire groups are distributed in the circumferential direction and are arranged in the filling layer, and the wire groups are bent; the plurality of groups of supporting sheets are arranged in the filling layer at intervals; and the multiple stretching rods are all arranged in the filling layer, and the stretching rods are fixedly connected with elastic rods which are distributed in the circumferential direction and all located in the filling layer. According to the invention, the elastic rod is driven by the stretching rod to deform, and after the cable is stretched, the deformation of the elastic rod causes the synchronous deformation of the rubber filling layer, so that the bent wire group and the internal structure thereof are gradually straightened, and when the outer protection layer is stretched, the wire group and the internal structure thereof are not affected by a tensile force, thereby improving the tensile capability of the conductive wire.

The utility model relates to a deformation joint supporting device, and belongs to the technical field of deformation joint supporting, the deformation joint supporting device comprises a supporting assembly, the supporting assembly comprises two supporting templates, a double-shaft screw rod, two sets of push rods and two moving blocks, and a top sealing assembly is arranged at the top ends of the two supporting templates; the top sealing assembly comprises two narrow plates, two sleeve plates, two telescopic plates fixedly installed on the opposite walls of the two narrow plates, two supporting blocks fixedly installed at the top ends of the telescopic plates and a splicing structure fixedly installed on the rear sides of the two narrow plates. According to the deformation joint supporting device, by arranging the top sealing assembly, the top ends of the two supporting formworks can be shielded, and the phenomenon that sundries, dust and the like can fall into the space generated between the two supporting formworks, and consequently the interior of a deformation joint needs to be cleaned during follow-up joint filling of the deformation joint is avoided; and the two adjacent supporting assemblies can be stably spliced together, so that the supporting strength of the supporting assemblies can be further improved.

The embodiment of the utility model provides a transfer robot and a driving wheel set thereof, the driving wheel set of the transfer robot comprises a swing arm transverse plate, two supporting vertical plates, two frame hinge shafts, two trundles, two driving wheels and a steering wheel assembly, the two sides of the bottom of the swing arm transverse plate are respectively and vertically provided with the supporting vertical plates, the two supporting vertical plates are provided with two frame hinge shafts in a one-to-one correspondence mode, and the two frame hinge shafts are located on the first axis. The two trundles are arranged at the bottoms of the two supporting vertical plates in a one-to-one correspondence mode. The steering wheel assembly is arranged on the swing arm transverse plate, and the two trundles and the two driving wheels are located on the two sides of the first axis. The trundle and the frame hinge shaft are arranged on the supporting vertical plate, so that the cost can be saved, the supporting strength of the trundle is improved, and the integration degree is improved. When the carrying robot driving wheel set encounters a fluctuating road surface during advancing, the two trundles and the two driving wheels can swing on the two sides relative to the first axis, so that simultaneous landing of the driving wheels and the trundles is conveniently achieved, and the running stability of the carrying robot can be improved.

The utility model discloses a glass curtain wall with a high-strength connecting structure, which belongs to the technical field of glass curtain walls, and is technically characterized by comprising a curtain wall main body, and the curtain wall main body is of a three-layer stacking structure through an arranged butt joint stable mounting mechanism. The transparent sound insulation film for sound insulation is arranged at the joint of the inner-layer curtain wall body and the outer-layer curtain wall body, so that the sound insulation performance of the glass curtain wall is improved, meanwhile, the butt-joint stable installation mechanism also prevents external dust and water from entering a butt-joint installation gap, installation sealing protection of the glass curtain wall is achieved, and the service life of the glass curtain wall is prolonged. In addition, the overall installation stability of the curtain wall is correspondingly achieved through the butt joint stable installation mechanism, the supporting strength and rigidity of the glass curtain wall in use are remarkably improved, the stability is high, vibration and pressure can be buffered and dispersed through the arranged pressure-resistant buffering mechanism, pressure-resistant protection of the glass curtain wall is achieved, the pressure-resistant and anti-seismic performance is high, and the service life of the glass curtain wall is prolonged. The connecting structure has the advantages of good connecting stability and high strength.

The utility model relates to the technical field of meteorological observation, in particular to a device for identifying severe convection weather. The device for identifying the severe convection weather comprises supporting legs, the number of the supporting cylinders is three, the supporting cylinders are evenly distributed, the tops of the three supporting legs are provided with a same fixedly-connected connecting disc, and the connecting disc is provided with a connecting assembly; the connecting assembly comprises a supporting disc, the supporting disc is rotationally arranged on the connecting disc, and the specification of the supporting disc is larger than that of the connecting disc. According to the device for identifying severe convection weather provided by the utility model, through the arrangement of the connecting assembly and the arrangement of the detection part on the supporting disc in the connecting assembly, when the device is erected and installed in the later period, after the device is fixed at a required position through the supporting legs, the device can be conveniently and rapidly identified by controlling the rotation of the supporting disc; therefore, the installation angle of the solar panel and other components in the top detection component can be adjusted, and the flexibility of later installation angle adjustment of the device can be improved.

The present invention relates to the technical field of vehicle air compressors, and in particular to an oil-free air compressor transmission structure and a vehicle. The oil-free air compressor transmission structure includes a motor housing, a motor assembly and a bearing assembly. The motor assembly is arranged inside the motor housing. The motor assembly includes an inner shaft, and the inner shaft is rotatably connected to the motor housing through the bearing assembly; it also includes a housing, a power assembly, and a large bearing. The housing is detachably connected to the motor housing. The power assembly includes a first half crank and a second half crank. The first half crank and the second half crank are mutually buckled and connected to form a crankshaft. The crankshaft is rotatably connected to the housing through the large bearing; it also includes a connecting piece. The first section and the inner shaft can be separated from each other, or can be detachably connected only through the connecting piece. In the present invention, the first section and the inner shaft can be detachably connected only through the connecting piece. The present invention solves the technical problem of how to remove the elastic coupling between the crankshaft and the inner shaft and connect them.

The utility model relates to a parallel shaft type power take-off mechanism for an electric drive axle. The parallel shaft type power take-off mechanism comprises a motor assembly and a gearbox assembly. Shells of the motor assembly and the gearbox assembly are integrally arranged; the motor assembly comprises a motor shaft; the gearbox assembly comprises an input shaft connected with the output end of the motor shaft, a driving gear and an output shaft are arranged on the input shaft, and a driven gear meshed with the driving gear is arranged on the output shaft. The motor assembly, the electric control assembly and the gearbox assembly are designed in an integrated mode, the shell of the motor assembly and the shell of the gearbox assembly are arranged in an integrated mode, power can be independently provided, the power take-off device is modularly arranged on a commercial vehicle, the disadvantage that a power take-off mechanism is arranged through a gearbox in the prior art is overcome, and the power take-off device is simple in structure and easy to install and maintain.

The utility model provides a shot blasting tool for a special-shaped part, which belongs to the technical field of shot blasting tools and comprises a support rod, a hanging ring fixedly connected to the upper end of the support rod, two groups of suspension mechanisms arranged on the outer wall of the support rod along the length direction of the support rod, the special-shaped part shot blasting device comprises a supporting frame, a hanging ring is fixedly connected to the supporting frame, the hanging ring is arranged in a circular shape, a plurality of hanging hooks are fixedly connected to the outer wall of the hanging ring in the circumferential direction of the hanging ring, and the special-shaped part shot blasting device has the advantages that an operator can conveniently conduct shot blasting on a special-shaped part, and the machining efficiency of the special-shaped part is improved.

The utility model belongs to the technical field of scaffolds, and particularly relates to a building scaffold which comprises an adjustable base arranged on the ground; the vertical rod is arranged on the adjustable base; a first buckling head is arranged at the end part of the cross rod; a second buckling head is arranged at the end part of the inclined rod; the buckling assembly comprises a wheel buckle disc arranged on the vertical rod and connected with the vertical rod and a bolt for fixing, and the wheel buckle disc is provided with a plurality of inclined rod holes and inserted rod holes which are sequentially formed at intervals; after the cross rods and the inclined rods correspond to rod holes in the wheel buckle disc, the cross rods and the inclined rods are fixed through the plug pins, and one-time scaffold installation is completed. The construction frame has the beneficial effects that the multiple inclined rod holes and the multiple inserted rod holes which are sequentially spaced are formed in the wheel buckle disc, so that inclined rods can be obliquely fixed, the overall structural strength and the supporting strength of the construction frame are greatly improved, the requirements under different construction scenes are met, and the wheel buckle disc can be arranged to be circular or octagonal.

The Doppler flowmeter mounting device comprises a supporting rod, a supporting sleeve, a Doppler flowmeter and a mounting assembly, the Doppler flowmeter is mounted at the lower end of the supporting rod, the supporting sleeve is arranged on the peripheral side of the supporting rod in a sleeving mode, and the mounting assembly comprises a first mounting plate and two first supporting frames; the first mounting plate is fixedly connected with the supporting sleeve, the first mounting plate is connected with a well wall through expansion bolts, the two first supporting frames are hinged to the first mounting plate and located on the two sides of the supporting sleeve, and first mounting bases are hinged to the ends, away from the first mounting plate, of the first supporting frames; the first mounting seat is connected with a well wall through an expansion bolt; a limiting assembly is arranged on the upper side of the supporting rod and used for limiting the relative positions of the supporting rod and the supporting sleeve. According to the mounting device, the supporting strength of the mounting device can be improved, and then the stability of the Doppler flowmeter during operation is guaranteed.

The utility model discloses a highway tunnel surrounding rock supporting structure which comprises an outer support and an inner support, a positioning assembly is installed on the inner side of the inner support, the positioning assembly comprises a positioning ring and a clamping sleeve, a connecting assembly is installed on the positioning ring and comprises a connecting plate and a guide rod, an alarm assembly is installed on the inner side of the clamping sleeve, and the alarm assembly is installed on the inner side of the clamping sleeve. The warning assembly comprises a clamping block and a button, a reinforcing assembly is installed on the outer support and comprises a connecting rod and a screw rod, according to the highway tunnel surrounding rock support structure, when the outer support and the inner support deform due to large pressure, the clamping block extrudes the button to give out a danger alarm, so that a highway tunnel can be blocked in time, and the safety of the highway tunnel is improved. Meanwhile, the positioning ring can be prevented from collapsing, the safety of personnel and vehicles in the tunnel is guaranteed, the screw is used for generating pulling force to the outer support, the supporting strength of the outer support to rock and soil around the tunnel is improved, and the safety supporting device is suitable for safety supporting of the highway tunnel.

The invention provides a built-in lifting folding structure of an automobile small table board, which is characterized in that two groups of support plates are respectively arranged on two sides of the interior of a rear box body, and a lifting driving mechanism and a small table board assembly are respectively arranged on two sides of the support plates through an inner guide rail and an outer guide rail which vertically extend; the lifting driving mechanism and the small table board assembly are in transmission through a plurality of transmission wheels which are connected with one another, the lifting driving mechanism controls the small table board assembly to stretch out of the opening of the rear box body, and then the center shaft plate is turned over to achieve unfolding of the small table board. The lifting folding structure can be applied to various vehicle types in the prior art, the occupied space is small, the small table plate can be adjusted between the unfolded state and the folded state, and a passenger can adjust the small table plate to the target position according to needs. According to the embodiment, the elastic supporting structure is arranged, the small table board assembly can be supported, and the supporting strength of the small table board assembly in the unfolded state is improved.

The invention provides fiber-reinforced modified silicon dioxide aerogel as well as a preparation method and application thereof, and relates to the technical field of aerogel. Specifically, the method comprises the following steps: sequentially carrying out acid treatment and surface modification treatment on inorganic fibers to obtain hydroxylated modified fibers; mixing silica sol, hydroxylated modified fibers and the modified emulsion, and sequentially carrying out vacuum impregnation treatment and gelation reaction to obtain modified silica gel; wherein the modified emulsion comprises acrylic acid, an acrylate compound and persulfate; and aging the modified silica gel, and carrying out replacement treatment and drying treatment by using an alcoholic solution to obtain the fiber-reinforced modified silica aerogel. By optimizing the preparation method, the bonding property of the silica aerogel and other materials is remarkably improved, the mechanical strength, the heat preservation performance and the heat stability of the silica aerogel are improved, the aerogel heat insulation coating is further provided, and the mechanical property, the weather resistance and the heat insulation performance of the silica aerogel coating can be remarkably improved.

The utility model discloses a disc buckle type under-beam adjustable bracket supporting frame which comprises an adjustable base, a vertical rod, a transverse rod, a long jacking and a supporting beam. The number of the adjustable bases, the number of the vertical rods and the number of the long top supports are all multiple, the adjustable bases, the vertical rods and the long top supports are arranged in a one-to-one correspondence mode, one ends of the vertical rods are connected with the adjustable bases, the other ends of the vertical rods are connected with the long top supports, every two adjacent vertical rods are connected through a transverse rod, a joist is arranged between every two adjacent long top supports, and the joists are arranged at intervals. The two ends of the joist are connected with the vertical rods, and the position of the joist on the vertical rods can be adjusted. Compared with the prior art, the supporting frame has the advantages that a supporting component is not arranged below the supporting beam any more, the threaded rod body of the long jacking is of a rod structure, and compared with the prior art, the supporting frame is high in supporting strength, few in used materials of the whole supporting frame, easy to operate and capable of greatly reducing input labor force in the building process.

The present invention discloses a visual endoscope compression balloon, which belongs to the technical field of postoperative tools. It is composed of a main balloon tube, a secondary balloon tube and an endoscope connecting tube. The tail ends of the main balloon tube and the secondary balloon tube can be connected to the endoscope connecting tube. The main balloon tube and the secondary balloon tube are clamped with the endoscope through the endoscope connecting tube. The endoscope enters the patient's nasal cavity together with the device. The position reached by the end of the device can be accurately determined by the endoscope. The main balloon tube is supported by the secondary balloon tube. The main balloon tube has two balloons, an end support balloon and an upper support balloon. An auxiliary support balloon is provided on the secondary balloon tube. After the balloon is inflated, it plays a supporting role. After the support is completed, the endoscope and the endoscope connecting tube can be disassembled. The part exposed at the patient's nostrils becomes very small, which does not affect the patient's daily activities. The rubber main tubes of the main and secondary balloon tubes connect the internal air pressure of the nasal cavity with the external air pressure, which can also facilitate the patient's breathing and improve the patient's postoperative comfort.

The utility model relates to the technical field of building construction, and provides a building transformation construction outer wall protection device which comprises a bottom plate, a first protection plate and a second protection plate, the top end of the first protection plate and the top end of the second protection plate are each provided with two driving threaded grooves, and the first protection plate and the second protection plate are each provided with two control ports. The bottom end of the first protection plate and the bottom end of the second protection plate are each provided with two driven threaded grooves, the interiors of the driving threaded grooves are in threaded connection with threaded connecting rods, the threaded connecting rods are provided with sliding control grooves, the control openings are rotationally connected with control rotating pieces, and the control rotating pieces are connected with sliding control blocks. The first protection plate and the second protection plate are each connected with two bearing plates, two first electric push rods are installed at the top end of the bottom plate, and the output ends of the first electric push rods are rotationally connected with a push plate, so that the first protection plate and the second protection plate are prevented from moving in the connecting process, and the purpose of improving the stability of the equipment is achieved.

The multifunctional spacer bush bearing clamping jaw comprises a clamping jaw assembly and a gripper assembly, the clamping jaw assembly comprises a clamping jaw installation plate which is horizontally installed, a clamping jaw assembly is arranged at any end of the lower portion of the clamping jaw installation plate, and the gripper assembly is installed on the upper side face of the clamping jaw installation plate and staggered with the clamping jaw assembly in position; the gripper assembly comprises a gripper installation plate and a gripper assembly installed on the side face of the gripper installation plate, the gripper installation plate is longitudinally installed on the clamping jaw installation plate, and the gripper assembly comprises a telescopic air cylinder, a suction cup gripper arranged at the end of a telescopic rod of the telescopic air cylinder and a vacuum generator fixedly installed on the gripper installation plate. The vacuum generator is connected with the suction cup gripper through a pipeline, and a gripper window used for reciprocating motion of the telescopic air cylinder is formed in the clamping jaw mounting plate. The manipulator has the advantages that the gripper assembly is integrated on a conventional clamping jaw assembly through structural layout and driving design, and combined work or alternate work of the gripper assembly and the clamping jaw assembly is achieved.

The utility model relates to the field of reinforcement cages, in particular to an underground diaphragm wall reinforcement cage structure convenient for a pipe shed to penetrate through, which comprises a plurality of unit cage bodies in a concentric-square-shaped array, in every two adjacent unit cage bodies, the side wall of one unit cage body is fixedly connected with a T-shaped rod, and the side wall of the other unit cage body is fixedly connected with the other T-shaped rod. And a T-shaped groove for inserting the T-shaped rod is formed in the side wall of the other unit cage body. The device has the effects that a plurality of reinforcement cages can be conveniently put into the hole channels, and the stability of the reinforcement cages put into the hole channels is improved.

The utility model belongs to the technical field of mining hydraulic supports, and particularly relates to an underground mining hydraulic support which comprises a base, first rotating rods are symmetrically and rotationally arranged on one side of the base, second rotating rods are symmetrically and rotationally arranged on the side, close to the first rotating rods, of the upper side face of the base, and rotating plates are rotationally arranged on the upper sides of the first rotating rods and the upper sides of the second rotating rods. A supporting plate is rotationally arranged on the upper side of the rotating plate. The output end of the main hydraulic rod drives the supporting plate to move upwards, after the supporting plate is close to the top of the roadway, hydraulic pressure in the hydraulic box is controlled through the first liquid guide pipe and the second liquid guide pipe, and the piston rods sequentially push the supporting rods upwards under the hydraulic action. The supporting rods are directly and respectively contacted with the top of the roadway, and the supporting rods can extend out of different heights according to the contact surface distribution of the top of the roadway so as to support different parts of the top of the roadway, so that the supporting contact to the top of the roadway is more comprehensive compared with the supporting of a whole surface plate, and the supporting strength to the top of the roadway and the supporting stability are improved.

The utility model relates to the field of steel structure mounting columns, in particular to a steel structure mounting column convenient to adjust. Comprising a cement base, a steel base arranged on the cement base and a stand column integrated with the steel base, a plurality of embedded screws used for being connected with the steel base are arranged on the cement base, a plurality of installation holes matched with the embedded screws are vertically formed in the steel base, and fastening nuts are in threaded connection with rod bodies, located on the upper portion of the steel base, of the embedded screws. An auxiliary connecting piece used for improving the stability of the stand column is arranged on the cement base. The utility model has the beneficial effects that the cement base is matched with the pre-embedded screw rod on the cement base, the steel base and the fastening nut, so that the upright post is preliminarily mounted and fixed, and the condition that the supporting force of the pre-embedded screw rod and the fastening nut on the upright post is insufficient to support the inclination trend of the upright post when the upright post is inclined is reduced.