31results about How to "Realize hugging" patented technology

The invention discloses a bionic flexible tree climbing robot. The robot comprises a trunk system, mechanical leg systems and a display and detection system. The trunk system is composed of an upper trunk and a lower trunk which are connected through a connecting rod, the body structure of an animal is simulated, the two trunks are driven by electric cylinders, and the robot is controlled to steerand move forwards; the mechanical leg systems are independently driven through the electric cylinders, front-back swinging and up-down tree trunk climbing actions of mechanical legs are achieved, andtree holding and climbing tasks are completed. In the tree climbing process of the robot, the stroke of the electric cylinders of the mechanical legs is changed, the holding angle can be changed, andthe robot can adapt to trees with different diameters; the multi-degree-of-freedom display and detection system feeds back information detected by the robot in real time, the states of the trees arechecked, and field monitoring and detection work is completed.

The invention discloses a rollover table for a rollover disk insulator. The rollover table comprises a frame, a lifting mechanism and a clamping mechanism, wherein the lifting mechanism is connected with the frame and the clamping mechanism; the frame comprises rollers and a limiting block; the lifting mechanism comprises a lower retaining plate, an upper retaining plate, a first cylinder, a second cylinder, a bracket, a lifting plate, a linear bearing, guide columns, pull rods, a supporting shaft, a chain wheel and a chain; the clamping mechanism comprises a holding frame, a supporting frame, a rotating shaft, a left moving plate, a right moving plate, a linear guide rail, a retaining plate, a cylinder and a connecting rod mechanism. The rollover table is one which is suitable for the disk insulator produced by an assembly line; the speed and the positioning accuracy are greatly improved compared with manual pick and place of the insulator.

The invention discloses a battery string assembly adhesive tape automatic cutting and pasting all-in-one machine. The battery string assembly adhesive tape automatic cutting and pasting all-in-one machine comprises a rack, a carrying device is fixedly arranged on the rack, a battery string assembly adhesive tape pasting device is arranged on the carrying device, and the carrying device can drive the battery string assembly adhesive tape pasting device to move in the long edge direction and the short edge direction of the rack. Full-coverage adhesive tape pasting on a battery string assembly is realized, the battery string assembly adhesive tape pasting device can rotate in the circumferential direction and can adapt to adhesive tape pasting of the battery string assembly in the transverse position and the longitudinal position, a battery string assembly conveying device is fixedly arranged below the rack, and an adhesive tape preparing device is fixedly arranged on the rack. The adhesive tape preparing device is adjacent to the battery string assembly adhesive tape pasting device, and the adhesive tape preparing device can automatically replace an adhesive tape for the battery string assembly adhesive tape pasting device. When the battery string assembly adhesive tape automatic cutting and pasting all-in-one machine is used, the adhesive tape can be automatically replaced, the pasting speed is high, the adhesive tape is firmly pasted, and the pasting efficiency is greatly improved.

The invention discloses a hydraulic pipe connector, which includes a joint body, a hydraulic oil pipe and a nut. There is a movable groove at one end of the joint body, the ferrule is installed in the movable groove and its inner wall is attached to the outer peripheral wall of the hydraulic oil pipe, the ferrule is composed of a buffer part and a sealing part, and the sealing part is along the axial direction of the ferrule toward The inner conical surface extends inside the interface, and there is an annulus between the first sealing surface, the second sealing surface and the hydraulic oil pipe. The first sealing surface is in close contact with the outer peripheral wall of the hydraulic oil pipe, the annular space is maintained between the second sealing surface and the outer peripheral wall of the hydraulic oil pipe, the inner wall of the sealing part body is in close contact with the outer peripheral wall of the hydraulic oil pipe, and the side of the buffer The wall and the arc-shaped expansion part on the outer wall are respectively closely attached to the side walls of the movable groove, so as to ensure the airtightness of the ferrule assembly under high temperature and high pressure conditions.

The invention provides a hydraulic rotary drilling or repairing tubular column two-way locking device and belongs to the technical field of drilling equipment. The hydraulic rotary drilling or repairing tubular column two-way locking device comprises an upper shell, a lower shell and a locking device core. The upper shell and the lower shell are assembled through a bolt assembly. The locking device core is arranged in a cavity defined by the upper shell and the lower shell. A slip fixed seat, slips, slip sliding seats, radial driving oil cylinders and slip locking sleeves are arranged in the locking device core, wherein the slips, the slip sliding seats, the radial driving oil cylinders and the slip locking sleeves are symmetrically arranged at the upper end and the lower end of the slip fixed seat. The slips are embedded into the inner side walls of the slip sliding seats, pistons of the radial driving oil cylinders and the slip sliding seats are assembled in a screwed mode, the inner walls of the slip locking sleeves are of a conical surface structure, a set of axial locking double-acting oil cylinders are evenly arranged between the upper slip sleeve and the lower slip sleeve in the circumferential direction, and the upper slip sleeve and the lower slip sleeve are connected with piston rods of the axial locking double-acting oil cylinders respectively. A drilling tubular column can be automatically locked and unlocked, and anti-ejecting and anti-falling two-way locking functions are achieved.

The invention discloses a greenhouse support pipe production line, belongs to the technical field of greenhouse support pipe production, and solves the problems that raw material pipes need to be transferred to different devices in the processing process, the transfer is complex, the clamping is repeated, the process is complex and the working efficiency is low. Continuous operation production isrealized, and the production efficiency is improved. The greenhouse support pipe production line comprises a feeding frame, a polishing machine, a medium-frequency heating machine, a plastic packagingmachine and a cooling system which are sequentially arranged side by side, wherein a conveying device is arranged below the polishing machine, the medium-frequency heating machine, the plastic packaging machine and the cooling system; fixed seats of which every two fall into one group are arranged at the upper end of the conveying device side by side, the upper ends of one group of fixed seats are correspondingly provided with installing seats of which every two fall into one group, the installing seats are provided with through holes allowing the pipes to penetrate through, the pipes are rotationally connected with the installing seats, and fastening units used for driving the pipes to rotate are arranged on the outer sides of the installing seats.

The invention provides a rotary sliding regulating device, which comprises a knob, two holding clamps, an elastic element and a rotating shaft, wherein the knob is linked and connected with one end ofthe rotating shaft; the other end of the rotating shaft is provided with a clamp block; the height of the clamp block is smaller than the width; one ends of the two holding clamps are rotationally connected with the fixing shaft; the other ends of the two holding blocks simultaneously define a cavity; the other end of each holding clamp is provided with a jacking and abutting block; the jacking and abutting blocks of the two holding clamps are in crossed arrangement and are positioned at the two sides of the clamp block; the elastic element is arranged at one end, rotationally connected withthe fixing shaft, of the holding clamps, and is arranged between the two holding clamps; and two ends of the elastic element are abutted against the two holding clamps. The rotary sliding regulating device provided by the invention has the advantages that the regulating device can maintain the unlocking state; a user does not need to always maintain the pressing or rotating action; and the operation experience is good. The switching power is small; and the operation experience is further improved.

The invention discloses a multi-level seal hydraulic pipe ferrule. The multi-level seal hydraulic pipe ferrule comprises a connector body, a hydraulic oil pipe and a nut, wherein the hydraulic oil pipe is sleeved with the connector body; an inner conical face connector is arranged at the connection end of the connector body and the hydraulic oil pipe; a movable groove is formed in the end, right facing the connector body, of the nut; a ferrule body is installed in the movable groove, the inner wall of the ferrule body is attached to the peripheral wall of the hydraulic oil pipe, the ferrule body is composed of a buffer portion and a sealing portion, the sealing portion extends into the inner conical face connector in the axis direction of the ferrule, and a first sealing face and a second sealing face form an annular space along with the hydraulic oil pipe. The first sealing face is tightly attached to the peripheral wall of the hydraulic oil pipe, the second sealing face and the peripheral wall of the hydraulic oil pipe keep an annular space, the inner wall of the body of the sealing portion is tightly attached to the peripheral wall of the hydraulic oil pipe, and the lateral wall of the buffer portion and the arc expansion portion on the outer wall of the buffer portion are tightly attached to the lateral wall of the movable groove respectively, so that air tightness of a ferrule assembly under high temperature and high pressure is ensured.

The invention discloses a moso bamboo drilling machine. A hollow rack is composed of a machine body, a top end detachable plate and a bottom detachable plate; a pushing seat is installed in an upper cavity inside the machine body; a drilling head is connected with a first motor fixed to the pushing seat through a second coupling; a small hole is formed in the portion, directly facing the drilling head, of the machine body; the middle of an L-shaped push rod is fixed to the machine body through a hinge; one end of the L-shaped push rod is connected with a connecting rod through a hinge, and a short arm at the other end of the L-shaped push rod extends out of the machine body; the other end of the connecting rod is connected with the pushing seat through a hinge; a pair of travel switches are installed between the portion, close to the short arm, of the front face of the L-shaped push rod and the machine body; a spring is installed between the back side of the short arm of the L-shaped push rod and the machine body; a plurality of clamping rings are installed on a first nut and a second nut, and the first nut and the second nut are located inside a cavity in the side face of the machine body; the two sides of each clamping ring are clamped in clamping grooves. A moso bamboo is clamped through the clamping rings by shifting a bilateral switch, and then the moso bamboo is drilled by pressing the short arm of the L-shaped push rod. The operation is convenient, safe and efficient.

The invention relates to a novel pile insertion construction device. The novel pile insertion construction device effectively solves the problem that in the prior art, a large machine cannot enter theconstruction site, and therefore manual pile insertion efficiency is low and labor is wasted. The technical scheme of the novel pile insertion construction device is characterized by comprising a first flat plate, wherein a third flat plate is arranged above the first flat plate, vertical rods are arranged on the first flat plate, a second flat plate is arranged on the vertical rods, the first flat plate is provided with through holes, the second flat plate is provided with through holes, and the third flat plate is provided with through holes; first push rods are arranged on the second flatplate, a first sleeve is arranged on the first push rods, a second sleeve is arranged in the first sleeve, second push rods are arranged on the side wall of the second sleeve, and a clamping device isarranged between each second push rod and the first sleeve; and a third sleeve is arranged above the first sleeve, a hammer head is arranged in the third sleeve, a through hole is formed in the center of the hammer head, a fixing device is arranged between the hammer head and the third sleeve, and first ropes are arranged on the fixing device. The novel pile insertion construction device has theadvantages that pile bodies can be clamped and loosened in the pile insertion process, and meanwhile, the rising height of the hammer head can be adjusted according to the requirements of the actual foundation soil quality so that requirements of foundations with different hardness can be met.

The invention discloses a multi-stage sealed hydraulic pipe ferrule, which includes a joint body, a hydraulic oil pipe and a nut. The joint body is sleeved on the hydraulic oil pipe. There is an active groove at the end of the cap opposite to the joint body. The ferrule is installed in the movable groove and its inner wall is attached to the outer peripheral wall of the hydraulic oil pipe. The ferrule is composed of a buffer part and a sealing part. The sealing part is along the axis of the ferrule. The direction extends toward the interface of the inner cone surface, and there is an annulus between the first sealing surface, the second sealing surface and the hydraulic oil pipe. The first sealing surface is in close contact with the outer peripheral wall of the hydraulic oil pipe, the annular space is maintained between the second sealing surface and the outer peripheral wall of the hydraulic oil pipe, the inner wall of the sealing part body is in close contact with the outer peripheral wall of the hydraulic oil pipe, and the side of the buffer The wall and the arc-shaped expansion part on the outer wall are closely attached to the side walls of the movable groove, so as to ensure the airtightness of the ferrule assembly under high temperature and high pressure conditions.

The invention discloses a stable hanging and separating mechanism of a pod rod for a spacecraft, wherein the mechanism comprises an upper fixing ring, a lower fixing ring, an upper and lower ring connecting device, a sliding pin locking device, an action sensing device, a pin detacher and a pop-up separator. When the pod rod is fully extended to be in place, the lower end of a locking pin of the sliding pin locking device penetrates through a through hole formed in the pod rod and slides into a locking hole of the lower fixing ring, and the pod rod is locked by the mechanism; meanwhile, the action sensing device generates a triggering electric signal, on one hand, a retractable pin of the pin detacher is triggered to withdraw, the upper fixing ring moves downwards, and thus, the pod rod hugging is achieved; on the other hand, the pop-up separator is triggered to be started, and separation of the structure is achieved. According to the stable hanging and separating mechanism of the pod rod for the spacecraft, two technical means of using the sliding pin locking device and the movable upper fixing ring structure are combined, stable hanging of a film structure on the pod rod can be achieved, and meanwhile, the stable hanging and separating mechanism has the advantages of being simple, effective, sensitive and reliable.

The invention provides a hydraulic rotary drilling or repairing tubular column two-way locking device and belongs to the technical field of drilling equipment. The hydraulic rotary drilling or repairing tubular column two-way locking device comprises an upper shell, a lower shell and a locking device core. The upper shell and the lower shell are assembled through a bolt assembly. The locking device core is arranged in a cavity defined by the upper shell and the lower shell. A slip fixed seat, slips, slip sliding seats, radial driving oil cylinders and slip locking sleeves are arranged in the locking device core, wherein the slips, the slip sliding seats, the radial driving oil cylinders and the slip locking sleeves are symmetrically arranged at the upper end and the lower end of the slip fixed seat. The slips are embedded into the inner side walls of the slip sliding seats, pistons of the radial driving oil cylinders and the slip sliding seats are assembled in a screwed mode, the inner walls of the slip locking sleeves are of a conical surface structure, a set of axial locking double-acting oil cylinders are evenly arranged between the upper slip sleeve and the lower slip sleeve in the circumferential direction, and the upper slip sleeve and the lower slip sleeve are connected with piston rods of the axial locking double-acting oil cylinders respectively. A drilling tubular column can be automatically locked and unlocked, and anti-ejecting and anti-falling two-way locking functions are achieved.

The invention discloses a floating support device. The device comprises a top cover, a housing, a bottom cover, a push block, a movable column and a support column. The top cover and the bottom coverare connected with the top surface and the bottom surface of the housing in a fastening manner. Therefore, a cavity is formed among the top cover, the housing and the bottom cover. The lower end of the movable column penetrates through the top cover and stretches into the cavity. At this time, the upper end of the movable column is exposed out of the top cover. The support column is arranged in the cavity and the lower end of the support column is fixedly connected with the bottom cover. The upper surface of the bottom cover is equipped with a groove. The lower surface of a baffle board is provided with a groove. Two limiting columns are arranged in parallel and penetrate through a movable sleeve in a horizontal direction. The two limiting rods are located below a second flange of the support column. The upper part of a threaded rod is embedded into the lower part of an outer sleeve and movably connected with the movable sleeve. Through simple structural design, the device can automatically return to the original state. Without adding downward pulling force, all parts can return to the original state. The floating support device is ingenious in structure and convenient to use.

The invention relates to a cleaning treatment device for metal pickup parts of stethoscopes. The cleaning treatment device comprises an I-shaped frame, a chute, a wiping device, a supporting base plate, a turnover device, a fixing device and a cleaning device. According to the cleaning treatment device, when electric push rods are pushed forwards, movable plates can be driven to slide on long plates, and the pickup parts of the stethoscopes in inner cavities of clamping frames can be tightly held; the pickup parts of the stethoscopes can be turned over quickly by rotating a worm clockwise; sliding sector plates are pulled forwards, lifting limiting plates are synchronously driven to move forwards when the sliding sector plates move, then the pickup parts are prevented from moving upwards due to friction force during cleaning; and through contraction of hydraulic rods, when the hydraulic rods retract, connecting blocks are driven to ascend, so that the pickup parts with different scales can ascend before being turned over.

The invention discloses an enclasping type anti-loosening bolt pair. The enclasping type anti-loosening bolt pair comprises a bolt and a nut. The bolt comprises a bolt head and a bolt rod, wherein thebolt head is of an integral structure, and the bolt rod is provided with an external thread which extends to the tail end. The nut is in threaded fit with the bolt rod. The nut comprises a nut body and an enclasping mechanism, wherein the enclasping mechanism is arranged on one end face of the nut body and can be adjusted to enclasp the bolt rod. According to the bolt pair of the structure, afterthe nut is in threaded fit with the bolt rod and fastened, the bolt rod can be enclasped by adjusting the enclasping mechanism, and the nut is not easy to loosen; and the anti-loosening effect is obvious.

The invention discloses a middle double-wheel driving holding type vehicle carrier and a using method. The middle double-wheel driving holding type vehicle carrier comprises two groups of relatively independent carriers, wherein the two groups of carriers are connected through a flexible connecting device; each group of carriers comprises a frame; middle double-wheel driving devices for driving the whole carrier to move are symmetrically mounted in the middle of the frame; holding mechanisms are symmetrically mounted on two sides of the top of the frame; holding rod structures for holding wheels are mounted at the tail ends of the holding mechanisms; and the holding mechanisms are connected with holding power devices for driving the holding mechanisms to realize holding action. According to the middle double-wheel driving carrier structure, the middle double wheels are driving wheels, and the four wheels on two sides are driven wheels; the driving mounting structure is controlled to steer by two driving mechanisms, and is relatively flexible; and the bearing gravity center and the driving wheels are positioned on the same vertical line, so that the carrier is unlikely to slip.

The invention discloses a multifunctional machining center, which belongs to the technical field of machining tools. The multifunctional machining center is characterized in that a walking mechanism is connected with an electric spindle (14) and drives the electric spindle (14) to move, the electric spindle (14) is vertically arranged, a movable workbench is arranged on the lower side of the electric spindle (14), the movable workbench is connected with a B-axis power device driving the movable workbench to rotate around a vertical rotating shaft, and the electric spindle (14) is further connected with a self-locking mechanism; the self-locking mechanism comprises a locking disc (28), a brake belt and a locking power device, the locking disc (28) is coaxially arranged on a rotor of the electric spindle (14) in a sleeving mode and synchronously rotates along with the rotor, the brake belt is arranged around the locking disc (28), and the locking power device is connected with the brakebelt and enables the brake belt to clasp or loosen the locking disc (28). The locking disc of the multifunctional machining center is coaxially installed on the rotor of the electric spindle, the locking disc is locked through the brake belt, self-locking is achieved, self-locking is reliable, the structure is simple, and damage is not likely to happen.

The invention provides a tool and equipment for machining a middle opening of a valve body, relates to the technical field of valve body machining equipment, and aims at solving the technical problem that the clamping efficiency is low during existing valve body machining. The tool for machining the middle opening of the valve body comprises a base, a positioning piece, a driving piece and a clamping piece. The positioning piece is arranged on the base, a gap is formed between the positioning piece and the base, and a first positioning part is arranged on the side, away from the base, of the positioning piece. The driving part is arranged between the base and the positioning part, two connecting blocks are arranged on the driving part, the two connecting blocks penetrate through the positioning part respectively, and the driving part has the moving freedom degree of getting close to or getting away from the positioning part; the number of the clamping pieces is two, and the two clamping pieces are hinged to the two connecting blocks in a one-to-one correspondence mode. The two clamping pieces are respectively provided with a second positioning part; and when the driving piece is far away from the positioning piece, the second positioning parts on the two clamping pieces are driven to correspondingly clamp two port flanges of the valve body with the first positioning parts. The tool for machining the middle opening of the valve body has high clamping efficiency.

The invention discloses an intermediate two-wheel drive holding type vehicle carrier and its use method, which comprises two sets of relatively independent carriers connected by a flexible connection device; the carriers of each group are respectively Including the frame, the middle part of the frame is symmetrically installed with the middle two-wheel drive device for driving the entire carrier to move; the holding mechanism is installed symmetrically on both sides of the top of the frame, and the end of the holding mechanism is installed for holding. The holding rod structure of the tight wheel, the holding mechanism is connected with the holding power device for driving it to realize the holding action. The structure of the two-wheel drive carrier in the middle is that the two wheels in the middle are driving wheels, and the four wheels on both sides are driven wheels. This kind of driving installation structure is controlled by two driving mechanisms, which is more flexible. The load-bearing center of gravity and the driving wheels are on the same vertical line. Not easy to slip.

The invention discloses a composite drive FAST cable detection robot system, and belongs to the technical field of cable detection. The problems that an existing FAST cable detection device is poor inautonomous obstacle crossing capacity and poor in stability due to the fact that the existing FAST cable detection device is prone to being affected by distance, gradient and weather in the detectionprocess are solved. Thecomposite drive FAST cable detection robot system comprises a cable detection robot which is installed on a detected cable in a sliding mode, a first traction device and a second traction device which are used for controlling the cable detection robot to move on the detected cable, and the cable detection robot comprises a first mechanism assembly. Two first motors are fixedly installed on the first frame and control the two holding wheel sets to be held and separated on a detected cable through the winding and unwinding connecting pieces, and the cable flaw detection sensors are correspondingly and fixedly installed on the opposite sides of the two holding wheel sets and buckled on the detected cable. Movement of the first mechanism assembly on the tested cable isrealized through the first enclasping wheel assembly. The problem that in the prior art, cable detection equipment is poor in stability is solved, and the robot has good obstacle crossing capacity.

The invention discloses a joint ferrule assembly, which includes a joint body, a hydraulic oil pipe and a nut. There is a movable groove at one end of the joint body, the ferrule is installed in the movable groove and its inner wall is attached to the outer peripheral wall of the hydraulic oil pipe, the ferrule is composed of a buffer part and a sealing part, and the sealing part is along the axial direction of the ferrule toward The inner conical surface extends inside the interface, and there is an annulus between the first sealing surface, the second sealing surface and the hydraulic oil pipe. The first sealing surface is in close contact with the outer peripheral wall of the hydraulic oil pipe, the annular space is maintained between the second sealing surface and the outer peripheral wall of the hydraulic oil pipe, the inner wall of the sealing part body is in close contact with the outer peripheral wall of the hydraulic oil pipe, and the side of the buffer The wall and the arc-shaped expansion part on the outer wall are closely attached to the side walls of the movable groove, so as to ensure the airtightness of the ferrule assembly under high temperature and high pressure conditions.

The invention discloses a moso bamboo drilling machine. A hollow rack is composed of a machine body, a top end detachable plate and a bottom detachable plate; a pushing seat is installed in an upper cavity inside the machine body; a drilling head is connected with a first motor fixed to the pushing seat through a second coupling; a small hole is formed in the portion, directly facing the drilling head, of the machine body; the middle of an L-shaped push rod is fixed to the machine body through a hinge; one end of the L-shaped push rod is connected with a connecting rod through a hinge, and a short arm at the other end of the L-shaped push rod extends out of the machine body; the other end of the connecting rod is connected with the pushing seat through a hinge; a pair of travel switches are installed between the portion, close to the short arm, of the front face of the L-shaped push rod and the machine body; a spring is installed between the back side of the short arm of the L-shaped push rod and the machine body; a plurality of clamping rings are installed on a first nut and a second nut, and the first nut and the second nut are located inside a cavity in the side face of the machine body; the two sides of each clamping ring are clamped in clamping grooves. A moso bamboo is clamped through the clamping rings by shifting a bilateral switch, and then the moso bamboo is drilled by pressing the short arm of the L-shaped push rod. The operation is convenient, safe and efficient.

The invention relates to the field of power supply, in particular to a safe climbing ladder which is simple in structure and convenient to carry, assemble and disassemble. Each rod body assembly comprises a base and a ladder rod arranged on the base, wherein the ladder rod is provided with a middle hole, the inner side of the ladder rod is provided with a first sliding groove in the vertical direction, the outer side of the ladder rod is provided with a pair of second sliding grooves which are parallel to each other in the vertical direction, the first sliding groove is located between the second sliding grooves, and the outer side of the ladder rod is evenly provided with a plurality of blocking sheets which are located between the second sliding grooves; each foot fastener assembly comprises a fastener body, a sliding support and V-shaped racks, wherein the bottom of the fastener body is provided with an inserting sheet, the sliding support is in a U shape, the two ends of a U-shaped opening of the sliding support are arranged in the second sliding grooves respectively, the fastener body is connected to the ends of the U-shaped opening of the sliding support, and the inner side of the sliding support is provided with a spherical-hinge base which is located in the first sliding groove. The safe climbing ladder is convenient to machine and reliable in operation.

The invention relates to the technical field of robots, and discloses a climbing robot telescopic composite wheel leg based on circumferential autonomous tension cable clasping. The wheel leg comprises a carrier member, a climbing robot telescopic support assembly and a climbing robot telescopic climbing assembly. Climbing robot telescopic supporting legs and climbing robot telescopic crawling wheels are arranged on the carrier member in parallel. According to the technical scheme, the structure is simple, control is convenient, load bearing can be achieved in a climbing process, the wheel leg can be suitable for a large-section climbing robot, and the practical requirements of engineering construction and comprehensive maintenance are met.

The invention relates to the field of power supply, in particular to a combined ascending ladder. The combined ascending ladder is simple in structure and convenient to take, carry, assemble and disassemble. Each rod body assembly comprises a base and a ladder rod arranged on the base, wherein middle holes are formed in the ladder rod, a first slide way in the vertical direction is formed in the inner side of the ladder rod, a pair of second slide ways in parallel in the vertical direction is formed in the outer side of the ladder rod, the first slide way is located between the two second slide ways, and multiple block pieces are uniformly distributed on the outer side of the ladder rod and located between the second slide ways; a bulb is arranged in the middle of each V-shaped frame and located in a spherical hinge base, wherein connecting holes are formed in the two ends of the V-shaped frame respectively, and multiple L-shaped pulling pieces are uniformly distributed at the front end of each ladder rod; the combined ascending ladder further comprises supporting rings, ring holes are formed in the bases of the pair of rod body assemblies respectively, and the supporting rings are connected into the ring holes. The combined ascending ladder is convenient to machine and reliable in operation.