CN108382893B - Safe handling equipment for cement pipeline - Google Patents
Safe handling equipment for cement pipeline Download PDFInfo
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- CN108382893B CN108382893B CN201810156368.5A CN201810156368A CN108382893B CN 108382893 B CN108382893 B CN 108382893B CN 201810156368 A CN201810156368 A CN 201810156368A CN 108382893 B CN108382893 B CN 108382893B
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- gear
- sliding
- slow descending
- rope
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/22—Horizontal loading or unloading platforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/28—Loading ramps; Loading docks
- B65G69/30—Non-permanently installed loading ramps, e.g. transportable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0276—Tubes and pipes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
the invention discloses safe handling equipment for a cement pipeline, which comprises a high-position conveying device for conveying a pipe fitting, a low-position slipping mechanism for slowly slipping and conveying the pipe fitting conveyed by the high-position conveying device, a transmission device for providing power for the slow conveying of the pipe fitting, and a pulling and holding device for suspending the transmission device, wherein the high-position conveying device is fixed on a conveying carriage through a fastening piece, one end of the low-position slipping mechanism is connected with the discharging end of the high-position conveying device, the other end of the low-position slipping mechanism extends to the ground, and a slow descending rope for slowly descending the pipe fitting is arranged between the transmission device and the low-position slipping mechanism.
Description
Technical Field
The invention relates to a discharging device, in particular to a safe loading and unloading device for a cement pipeline.
Background
In the perfect in-process of facility such as water conservancy, the application of conduit is comparatively extensive, the workman adopts mechanical equipment such as fork truck mostly to load and unload the pipe fitting, owing to receive operation space's influence, mechanical equipment often can not be disposable carry the pipe fitting to suitable position, workman's the amount of labour has been increased, work efficiency descends, and simultaneously, because pipe fittings such as conduit are cement pipeline mostly, when cement pipeline receives the striking, cause the pipeline to break easily, not only influence the job schedule, can cause the potential safety hazard again, be unfavorable for workman's construction, therefore, in the loading and unloading in-process of pipe fitting, accomplish and slowly transport, when guaranteeing the pipe fitting quality, can improve workman's work efficiency again.
Disclosure of Invention
To address the deficiencies of the prior art, it is an object of the present invention to provide a secure handling apparatus for cement pipes.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The safe loading and unloading equipment for the cement pipeline is characterized by comprising a high-position conveying device, a low-position slipping mechanism, a transmission device and a pulling and holding device, wherein the high-position conveying device is used for conveying a pipe fitting, the low-position slipping mechanism is used for slowly slipping and conveying the pipe fitting conveyed by the high-position conveying device, the transmission device is used for slowly conveying the pipe fitting and providing power, the pulling and holding device is used for suspending the transmission device, the high-position conveying device is fixed on a transport carriage through a fastening piece, one end of the low-position slipping mechanism is connected with a discharging end of the high-position conveying device, the other end of the low-position slipping mechanism extends to the ground, and a slow descending rope for slowly descending the pipe fitting is arranged between the transmission device and the low;
The low-position sliding mechanism comprises two parallel sliding rods, one end of the sliding rod in the length direction is hinged with the discharging end of the high-position conveying device, the core line of a hinged shaft is vertical to the length direction of the sliding rod, the other end of the sliding rod in the length direction extends to the ground, a lantern ring for tying a slow descending rope is arranged between the two sliding rods and at the position close to the discharging end of the high-position conveying device, a rope winding mechanism and a slow descending mechanism are arranged between the two sliding rods, the rope winding mechanism comprises rope winding rods which are arranged between the two sliding rods and are mutually vertical to the sliding rods, sliding grooves are arranged in the length direction of the sliding rods, rope winding devices which are used for winding slow descending ropes and are vertical to the sliding rods along the central axis are arranged at the two ends of the rope winding rods, the rope winder is provided with a rope winding groove, and two ends of the rope winding mechanism are provided with slow descending mechanisms for slowly descending or providing supporting force for the pipe fittings in the lifting process;
The sliding rod comprises a sliding section and an abutting section, the abutting section is close to the ground, one end, close to the sliding section, of the abutting section is a protruding abutting wall, an installation hole is formed in the abutting section of the sliding rod and close to the abutting wall, the length direction of the installation hole is perpendicular to the length direction of the sliding rod, the slow descending mechanism comprises a sliding frame, a ratchet mechanism and a locking mechanism, the sliding frame is in sliding guide fit with a sliding groove in the sliding rod, the ratchet mechanism is arranged on the sliding frame, the locking mechanism is arranged in the installation hole in the sliding rod, and the sliding frame is connected with the rope winder;
The ratchet mechanism comprises a ratchet wheel, a pawl, a swing rod, a descent control plate and a transmission plate, wherein the ratchet wheel is arranged on the sliding frame, the central axis of the ratchet wheel is perpendicular to the sliding rod, the pawl is matched with the ratchet wheel, the descent control plate is used for providing supporting force for the pipe fitting and synchronously rotates with the ratchet wheel, the transmission plate is used for triggering the ratchet wheel to rotate, the ratchet wheel can rotate in a direction opposite to the rotation direction of the ratchet wheel in the descending process of the pipe fitting in a single direction by matching with the pawl, the pawl is hinged to the sliding frame and hinged to one end of the swing rod, the other end of the;
the sliding frame comprises a guide groove which is in sliding guide fit with the transmission plate and a pushing block used for triggering the locking mechanism to lock, a spiral spring is arranged in a disc of the slow descending plate connected with the ratchet wheel, the spiral spring is a coiled steel bar, the slow descending plate rotates anticlockwise under the action of gravity of the pipe fitting, the spiral spring arranged in the disc of the slow descending plate is wound tightly and accumulates elastic potential energy, and when the spiral spring releases the elastic potential energy, the slow descending plate and the ratchet wheel can be driven to rotate clockwise;
the locking mechanism comprises a triggering state and a locking state, wherein a convex block for locking is arranged on the slow descending plate, and the convex block is positioned on the large surface facing the sliding frame.
The technical scheme is further optimized and improved.
the locking mechanism comprises a trigger block, a locking spring and a reset spring, wherein the trigger block is arranged in a mounting hole on the sliding rod, the motion direction of the trigger block is perpendicular to the length direction of the sliding rod, the trigger block comprises a trigger section and a guide section, the guide section is provided with a guide groove, the guide direction of the guide groove is perpendicular to the length direction of the sliding rod, the locking block is arranged in the guide groove, the locking spring which is perpendicular to the length direction of the sliding rod is arranged between the locking block and the side wall of the guide groove, one end of the locking spring is abutted against the locking block, the other end of the locking spring is abutted against the side wall of the guide groove, the locking mechanism also comprises the reset springs which are arranged on two sides of the guide section and are parallel to the guide direction of the guide section, the contact end of the slow descending plate and the pipe fitting is an arc concave surface, and, one end of the lower supporting rod is connected with one sliding rod, and the other end of the lower supporting rod is connected with the other sliding rod.
the technical scheme is further optimized and improved.
The transmission device comprises a transmission mechanism and a containing mechanism, the transmission mechanism is arranged in the containing mechanism, the containing mechanism comprises a shell for containing the transmission mechanism, a connecting lug for hanging the transmission device on a pull rope is arranged on the shell, the containing mechanism also comprises a limiting element which is arranged in the shell and used for limiting the transmission mechanism, the limiting element comprises a connecting plate and a connecting frame, the connecting plate is connected with the connecting frame through a fastener, the transmission mechanism is arranged between the connecting plate and the connecting frame, a mounting cavity for avoiding the slow descending rope output on the transmission mechanism is arranged on the connecting plate, the mounting cavities are arranged in two parallel, sleeves are arranged on the connecting plate and the connecting frame, and the two sleeves are coaxially arranged and positioned between the connecting plate and the connecting frame, the fixing frame is matched in the mounting cavity, two parallel sliding rods are arranged in the fixing frame, and the transmission mechanism is externally sleeved with a protection tube.
The technical scheme is further optimized and improved.
the transmission mechanism comprises a motor, a transmission gear set and a rope pulling mechanism, wherein the output end of the motor is connected with the transmission gear set, the transmission gear set comprises a first gear, a second gear, a third gear, a rotary disc, a fourth gear and a fifth gear, the first gear, the second gear, the third gear, the rotary disc and the fourth gear form a speed reducing mechanism, the first gear, the second gear, the third gear and the fourth gear are all arranged on the rotary disc, the rotary disc is a shell with an inner ring groove and an inner gear, the inner gear is arranged on the groove wall of the inner ring groove, the rotary disc is movably arranged in the protective tube and can rotate around the axis of the rotary disc, the rotary disc comprises a gear surface and a smooth surface, the first gear, the second gear and the third gear are arranged on the gear surface, the fourth gear is arranged on the smooth surface, the first gear is coaxially sleeved at the output shaft end of the motor, and the first gear is meshed with the second gear, and the axis of first gear and the axis of second gear are parallel and the off-centre sets up in the gear face of carousel, and third gear and the coaxial setting of second gear and third gear can rotate with the second gear is synchronous, and the internal gear meshing of third gear and carousel and the axis of third gear and carousel are parallel and the third gear sets up in the gear face of carousel, rope pulling mechanism include with the coaxial worm that sets up of fifth gear, with worm matched with worm wheel, the center department level of worm wheel be provided with pivot and worm wheel fixed connection, cup joint the rope winding section of thick bamboo and the rope winding section of thick bamboo that arrange with the pivot coaxial line in the pivot can rotate with the pivot is synchronous, the rope winding section of thick bamboo be provided with two and be located one side of worm wheel respectively, the winding has the rope that slowly falls that is used for providing the binding power to the pipe fitting on the circumference of rope winding section of thick bamboo.
Compared with the prior art, the equipment has the advantages that the equipment can slowly descend the pipe fitting, the possibility of breakage of the pipe fitting is reduced, the slowly descending ropes are in contact with the pipe fitting in the slowly descending process of the pipe fitting, the pipe fitting is prevented from falling off, meanwhile, the pipe fitting can be lifted, loading and unloading of the pipe fitting can be simultaneously met, and time and labor are saved in the slowly descending and lifting process.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
FIG. 4 is a schematic view of the high-position conveying device of the present invention.
Fig. 5 is a schematic view of the suspension of the present invention.
Fig. 6 is a schematic view of the sliding sleeve structure of the present invention.
FIG. 7 is a schematic view of the clamping mechanism of the present invention.
Fig. 8 is a schematic view of a low-position sliding mechanism of the present invention.
Fig. 9 is a schematic view of the sliding rod and the descent control mechanism of the present invention.
Fig. 10 is a schematic view of the structure of the slide rod of the present invention.
Fig. 11 is a schematic view of the roping arrangement according to the invention.
FIG. 12 is a schematic view of the rope winding mechanism and the descent control mechanism of the present invention.
Fig. 13 is a schematic view of a descent control mechanism of the present invention.
Fig. 14 is a schematic view of a descent control mechanism according to the present invention.
FIG. 15 is a schematic view of the ratchet mechanism and carriage of the present invention.
FIG. 16 is a schematic view of the ratchet mechanism of the present invention.
Fig. 17 is a schematic view of a slow descending plate structure according to the present invention.
Fig. 18 is a schematic view of the sliding frame structure of the present invention.
FIG. 19 is a schematic view of the locking mechanism of the present invention.
fig. 20 is a schematic view of the transmission of the present invention.
Fig. 21 is a schematic view of the structure of the housing of the present invention.
FIG. 22 is a schematic view of the containment mechanism of the present invention.
FIG. 23 is a schematic view of a connector of the present invention.
FIG. 24 is a schematic view of the fixing cavity of the present invention engaged with a slide bar.
Fig. 25 is a schematic structural view of the protection tube of the present invention.
Fig. 26 is a schematic view of the transmission mechanism of the present invention.
fig. 27 is a schematic view of the transmission mechanism of the present invention.
Fig. 28 is a schematic view of the turntable structure of the present invention.
Fig. 29 is a schematic view of the worm wheel of the present invention engaged with a rope drum.
Labeled as:
10. A pipe fitting.
20. a high-position conveying device; 210. a vertical plate; 220. a horizontal plate; 230. a guide connecting rod; 240. and fixing the grooves.
30. A pulling device; 310. a sliding sleeve; 311. a first fixed connection hole; 312. a second fixed connection hole; 313. locking the bolt; 320. a support bar; 330. and pulling a rope.
40. A transmission device; 410. a transmission mechanism; 411. a first gear; 412. a second gear; 413. a third gear; 414. a turntable; 415. a fourth gear; 416. a fifth gear; 417. a worm; 418. a worm gear; 419. a rotating shaft; 420. an accommodating mechanism; 421. a housing; 422. connecting lugs; 423. a connecting plate; 424. a placement cavity; 425. a sleeve; 426. a connecting frame; 427. a fixing frame; 428. a slide bar; 429. and (5) protecting the tube.
50. a clamping mechanism; 510. a clamping frame; 520. a clamping plate; 530. a connecting head.
60. A low-position sliding mechanism; 610. a slide bar; 611. a chute; 612. mounting holes; 620. an upper support rod; 630. a rope winding mechanism; 631. a rope winding rod; 632. a rope winder; 640. a slow descending mechanism; 641. a ratchet mechanism; 641a, ratchet wheel; 641b, slow descending board; 641c, pawl; 641d, a driving plate; 641e, a swing rod; 642. a carriage; 642a, a guide groove; 642b, a push block; 643. a locking mechanism; 643a, a trigger block; 643b, a locking block; 643c, a locking spring; 643d, a return spring; 650. a lower support bar;
Detailed Description
the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 29, the safety handling apparatus for cement ducts includes an upper transport device 20 for transporting a pipe 10, a lower slip mechanism 60 for slowly slipping and transporting the pipe 10 transported by the upper transport device 20, a driving device 40 for powering the slow transportation of the pipe 10, a pulling device 30 for suspending the driving device 40, the high-position conveying device 20 is fixed on the transport carriage through a fastener, one end of the low-position sliding mechanism 60 is connected with the discharging end of the high-position conveying device 20, the other end of the low-position sliding mechanism 60 extends to the ground, thereby, a height difference is formed between the high-position conveying device 20 and the ground, the pipe 10 can slide down to the ground along the low-position sliding mechanism 60, a slow descending rope for slowly descending the pipe fitting 10 is arranged between the transmission device 40 and the low-position sliding mechanism 60.
as shown in fig. 4, the high-position transportation device 20 includes a placing plate for placing the pipe 10 and a guiding connection rod 230 for connecting the pulling device 30, the guiding connection rod 230 is vertically disposed on the placing plate, when the pipe 10 is unloaded, the pipe 10 is placed on the placing plate, the pipe 10 is lightly pushed to slide along the low-position sliding mechanism 60 through the unloading end of the high-position transportation device 20, the pipe 10 can slowly slide to the ground under the action of the transmission device 40 disposed on the pulling device 30, a good protection effect is provided for the pipe 10, and the pipe 10 is prevented from being collided and broken due to too fast sliding speed.
More perfect, place the board including horizontal plate 220, two vertical boards 210 set up respectively in horizontal plate 220 length direction's one end and vertical board 210 upwards extend along the direction of height, pipe fitting 10 sets up on horizontal plate 220, and the vertical board 210 of the central axis perpendicular to of pipe fitting 10, when pipe fitting 10 was arranged in on horizontal plate 220, can guide spacingly through the vertical board 210 that sets up at horizontal plate 220 length direction both ends to pipe fitting 10.
More preferably, the two vertical plates 210 are provided with fixing grooves 240 for fixing the guide connecting rod 230 on the side walls away from each other, the connecting line between the two fixing grooves 240 is parallel to the central axis of the pipe 10 and is a group, the fixing grooves 240 are vertically arranged, the guide connecting rod 230 is connected with the fixing grooves 240 in a matching manner, when the device is used, the guide connecting rod 230 is inserted into the fixing grooves 240, so that the operation is facilitated, and the pulling and holding device 30 is arranged on the guide connecting rod 230.
More preferably, the fixing slots 240 are provided with three groups and are spaced apart from each other in the rolling direction of the pipe 10, and the distance between the guide link 230 and the discharge end of the high-position delivery device 20 is adjusted according to the height difference between the high-position delivery device 20 and the ground or the size of the pipe 10.
As shown in fig. 5 to 6, the pulling and holding device 30 is disposed on the guiding connecting rod 230, the pulling and holding device 30 includes two connectors 310 disposed on the guiding connecting rod 230 and a pulling rope 330, the two connectors 310 are disposed on two parallel guiding connecting rods 230, respectively, the pulling rope 330 is disposed between the two connectors 310, two ends of the pulling rope 330 are connected to the connectors 310, respectively, and the transmission device 40 is disposed on the pulling rope 330.
Preferably, the connector 310 is a sliding sleeve, the guiding connecting rod 230 and the connector 310 form a sliding guiding fit, the connector 310 can slide along the height direction of the guiding connecting rod 230, and the height of the connector 310 can be adjusted through the sliding guiding fit between the connector 310 and the guiding connecting rod 230, so as to adjust the height of the transmission device 40. More preferably, a height positioning mechanism is disposed between the connector 310 and the guide connecting rod 230, so as to fix the connector 310 at a task position in the height direction of the guide connecting rod 230, and more specifically, the height positioning mechanism includes a trepan boring disposed on the connector 310 and matched with the guide connecting rod 230, a positioning hole disposed on the connector 310 and matched with the trepan boring, and a locking bolt matched with the positioning hole and used for locking the connector 310 and the guide connecting rod 230.
More perfectly, be provided with the bracing piece 320 that is used for supporting guide connecting rod 230 between two connectors 310, the both ends of bracing piece 320 connect respectively on connector 310 and with pipe fitting 10 the central axis is parallel, when this equipment during operation, the transmission 40 that sets up on stay cord 330 produces the effort to pipe fitting 10 on moving to low-level glide machanism 60, pipe fitting 10 produces the reaction force to transmission 40 simultaneously, this reaction force passes through stay cord 330 and transmits to guide connecting rod 230 on, make two guide connecting rod 230 take place relative bending easily, can solve above-mentioned problem through the bracing piece 320 that sets up between two connectors 310.
More optimally, in order to make the device convenient to operate, the pulling device 30 is detachably disposed, the connector 310 is provided with a first fixed connection hole 311 for inserting the support rod 320 into the connector and a second fixed connection hole 312 for inserting the pull rope 330 into the connector, two ends of the support rod 320 are respectively inserted into the first fixed connection hole 311 of the connector 310, two ends of the pull rope 330 are respectively inserted into the second fixed connection hole 312 of the connector 310, the side walls of the first fixed connection hole 311 and the second fixed connection hole 312 are both provided with threaded holes penetrating through the wall thickness of the first fixed connection hole 311 and the second fixed connection hole 312, and the threaded holes are internally and matchingly provided with locking bolts 313 for locking the support rod 320 and the pull rope 330.
as shown in fig. 7-8, in order to facilitate the operation of the present apparatus, the lower sliding mechanism 60 is detachably connected to the discharging end of the upper conveying device 20, preferably, a clamping mechanism 50 is disposed between the lower sliding mechanism 60 and the discharging end of the upper conveying device 20, one end of the lower sliding mechanism 60 in the length direction is connected to the discharging end of the upper conveying device 20 through the clamping mechanism 50, the other end of the lower sliding mechanism 60 in the length direction extends to the ground, preferably, one end of the lower sliding mechanism 60 is hinged to the clamping mechanism 50, the core line of the hinge shaft is perpendicular to the length direction of the lower sliding mechanism 60, the lower sliding mechanism 60 can rotate around the core line of the hinge shaft, the angle between the lower sliding mechanism 60 and the ground can be adjusted through the rotation of the lower sliding mechanism 60, and an operator can adjust the lower sliding mechanism 60 according to the height difference between the upper conveying device 20 and the ground or the size of the pipe 10 The angle between the sliding mechanism 60 and the bottom of the channel is convenient for the construction operation of operators.
As shown in fig. 7, the clamping mechanism 50 includes a clamping frame 510, a clamping plate 520, and a connector 530 for connecting the low-position sliding mechanism 60, the clamping frame 510 is provided with an opening for clamping the discharging end of the high-position conveying device 20, the inner wall of the opening is provided with a mounting hole, the clamping plate 520 is disposed above the mounting hole, the large surface of the clamping plate 520 is perpendicular to the height direction of the opening and the upward large surface is a clamping surface, the inner wall of the opening is provided with a bolt, one end of the bolt is matched with the mounting hole, the other end of the bolt is connected with the clamping plate 520, the interval between the clamping surface of the clamping plate 520 and the inner wall of the clamping frame 510 can be adjusted in the process of rotating the bolt, when the clamping mechanism 50 is installed, the opening of the clamping frame 510 is matched with the discharging end of the high-position conveying device 20, and the top of the discharging end of the high-position conveying device 20 is contacted with the top of the opening of the clamping frame 510, at this time, the bolt is The contact pressure is generated between the top of the discharge end of the high-position conveying device 20 and the open top of the clamping frame 510, so that the stability of the whole mechanism is ensured.
More perfect, the clamping surface on be provided with the friction line that is used for increasing frictional force, the contact pressure of the big face that clamping plate 520 up and the bottom of high-order conveyor 20 discharge end can be increased to the friction line, makes whole mechanism more stable.
As shown in fig. 8-12, the low position sliding mechanism 60 includes two parallel sliding rods 610, one end of the sliding rod 610 in the length direction is hinged to the connector 530 of the latch mechanism 50, the hinge axis of the hinge axis is perpendicular to the length direction of the sliding rod 610, the other end of the sliding rod 610 in the length direction extends to the ground, an upper support rod 620 perpendicular to the sliding rod 610 is disposed between the two sliding rods 610 and near the latch mechanism 50, and two ends of the upper support rod 620 are provided with collars for tying a slow descending rope, when the pipe 10 is slowly descended, the transmission device 40 slowly releases the slow descending rope, the pipe 10 is disposed between the slow descending rope and the two sliding rods 610, and the slow descending rope 10 generates a restraining force for slowly descending the pipe 10 and slowly slides the pipe 10 to the ground, when the pipe 10 is lifted, the slow descending rope generates a pulling force for slowly ascending the pipe 10 and slowly slides the pipe 10 to the high position transportation device 20 Is arranged on the plate.
Due to the fact that the bottom surface of a construction site is uneven, the pipe 10 is laterally moved to a certain extent in the loading process, the slow descending rope is gradually lengthened along with the slow descending process of the pipe 10, and the slow descending rope is gradually deviated towards the center of the pipe 10 or towards other directions under the condition that the gravity is unevenly stressed, therefore, the uneven stress on the two sides of the pipe 10 is further aggravated, and the pipe 10 can be turned over in the slow descending process; in order to solve the problem, the present invention further designs a rope winding mechanism 630 and a slow descending mechanism 640 disposed between the two sliding rods 610 to solve the above problem.
As shown in fig. 11-12, the rope winding mechanism 630 includes a rope winding bar 631 disposed between the two sliding bars 610 and perpendicular to the sliding bars 610, a sliding groove 611 is disposed in the length direction of the sliding bars 610, rope winding devices 632 for winding slow descending ropes with central axes perpendicular to the sliding bars 610 are disposed at both ends of the rope winding bar 631, a rope winding groove is disposed on the rope winding device 632, the slow descending ropes are wound in the rope winding groove to ensure the stability of the slow descending ropes, a slow descending mechanism 640 for providing supporting force to the pipe 10 during slow descending or lifting is disposed at both ends of the rope winding mechanism 630, when the pipe 10 is slowly descended or lifted, the slow descending ropes are guided by the transmission device 40 and then smoothly tied to the sleeve ring through the rope winding groove on the rope winding device 632, and the slow descending ropes are always in contact with the pipe 10 and close to the end of the pipe 10 during slow descending or lifting of the pipe 10, the smooth descending or lifting of the pipe 10 is ensured.
More specifically, rope winder 632 on the cover be equipped with and be used for slowly falling the protective housing that the rope protected, be provided with on the protective housing and be used for preventing slowly falling the rope and take place skew limiting plate, guaranteed slowly falling the gentle removal of rope.
The sliding rod 610 comprises a sliding section and an abutting section, the abutting section is close to the ground, the abutting section is provided with a protruding abutting wall at one end close to the sliding section, and the length direction of the abutting section of the sliding rod 610, which is close to the abutting wall and provided with the mounting hole 612 and the mounting hole 612, is perpendicular to the length direction of the sliding rod 610.
The slow descending mechanism 640 comprises a sliding frame 642 which is formed by a sliding groove 611 on the sliding rod 610 and is matched with the sliding groove 611 in a sliding guide mode, a ratchet mechanism 641 arranged on the sliding frame 642, and a locking mechanism 643 arranged in a mounting hole 612 on the sliding rod 610, wherein the sliding frame 642 is connected with the rope winder 632.
As shown in fig. 15-16, the ratchet mechanism 641 includes a ratchet 641a disposed on the sliding frame 642 and having a central axis perpendicular to the sliding rod 610, a pawl 641c cooperating with the ratchet 641a, an oscillating bar 641e, a descending plate 641b for providing a supporting force to the pipe 10 and rotating synchronously with the ratchet 641a, and a transmission plate 641d for triggering the rotation of the ratchet 641a, wherein the cooperation between the ratchet 641a and the pawl 641c can realize the rotation of the ratchet 641a in a direction opposite to the rotation direction during descending of the pipe 10, i.e. clockwise rotation, the pawl 641c is hinged to the sliding frame 642 and is hinged to one end of the oscillating bar 641e, the other end of the oscillating bar 641e is hinged to the transmission plate 641d, a central line of the hinge axis is perpendicular to the length direction of the transmission plate 641d, the sliding frame 642 includes a guiding groove a forming a sliding guiding fit with the transmission plate 641d, and a pushing block 642b for triggering the locking of the locking mechanism 643, when the pipe 10 slides along the two sliding rods 610, the pawl 641c engages with the ratchet 641a, the ratchet 641a and the slow-falling plate 641b are in a synchronous static state, when the pipe 10 slides to a position close to the bottom of the sliding rods 610, the free end of the transmission plate 641d abuts against the abutting wall of the abutting section of the sliding rods 610 and slides along the guide groove 642a in the direction opposite to the sliding direction of the pipe 10, the movement of the transmission plate 641d drives the swing rod 641e to move and drive the pawl 641c to rotate around the hinge axis core of the hinge shaft in the direction away from the ratchet 641a, the spring is arranged in the disc connecting the slow-falling plate 641b with the ratchet 641a, the spring is a coiled steel bar, and has excellent bending performance, the thickness of the spring is thin, and the spring can be wound, when in the winding state, the spring accumulates elastic potential energy, and the gravity of the pipe 10 makes the slow-falling plate 641b rotate counterclockwise, the spiral spring arranged in the circular disc of the slow descending plate 641b winds up and accumulates elastic potential energy, during the rotation process of the slow descending plate 641b, the slow descending plate 641b abuts against the locking mechanism 643 to lock the slow descending plate 641b, and after the slow descending plate 641b is locked, the pipe 10 slides to the ground through the two sliding rods 610; when the spring releases the elastic potential energy, the slow descending plate 641b and the ratchet wheel can be driven to rotate clockwise.
The movement states of the locking mechanism 643 include a trigger state and a locking state, and during the rotation of the slow descending plate 641b, the slow descending plate 641b interferes with the locking mechanism 643 to switch the locking mechanism 643 from the trigger state to the locking state.
more specifically, the slow descending plate 641b is provided with a projection for locking, and the projection is located on a large surface of the slow descending plate 641b facing the sliding frame 642.
As shown in fig. 19, the locking mechanism 643 includes a trigger block 643a, a locking block 643b, a locking spring 643c, and a return spring 643d, the trigger block 643a is disposed in the mounting hole 612 of the slide rod 610, the moving direction of the trigger block 643a is perpendicular to the length direction of the slide rod 610, the trigger block 643a includes a trigger section and a guide section, the guide section is provided with a guide slot, the guide slot is perpendicular to the length direction of the slide rod 610, the locking block 643b is disposed in the guide slot, the locking spring 643c perpendicular to the length direction of the slide rod 610 is disposed between the locking block 643b and the side wall of the guide slot, one end of the locking spring 643c abuts against the locking block 643b, the other end abuts against the side wall of the guide slot, the pushing block 642b on the sliding frame 642 abuts against the trigger section of the trigger block 643a, and the trigger block 643a moves toward the slow descending plate 641b, at this time, the locking mechanism 643 is in an activated state, when the slow descending plate 641b is rotated counterclockwise by the gravity of the tube 10, during the rotation of the slow descending plate 641b, the locking mechanism 643 is switched from the activated state to the locked state, the convex block on the slow descending plate 641b abuts against the locking block 643b on the locking mechanism 643b, and the locking block 643b moves in a direction away from the slow descending plate 641b along the guiding direction of the guiding groove, and the locking spring 643c is in a compressed state, when the slow descending plate 641b continues to rotate, the convex block on the slow descending plate 641b moves to a lower direction of the locking block 643b, at this time, the locking spring 643c releases the elastic potential energy and moves the locking block 643b in a direction approaching the slow descending plate 641b, so that the slow descending plate 641b is in the locked state, at this time, the slow descending plate 641b is kept level with the sliding rod 610 or the upward side of the slow descending plate 641b is lower than the upward side of the sliding rod 610, and the tube 10 can slide down to the ground through, the safety slow descending of the pipe 10 onto the ground is ensured, meanwhile, when the slow descending plate 641b is in the locking state, the pipe 10 is facilitated to be lifted, the locking mechanism 643 further includes a return spring 643d disposed on both sides of the guiding section and parallel to the guiding direction of the guiding section, when the pipe 10 is loaded, the pipe 10 is moved to the bottom of the low sliding mechanism 60 and the pipe 10 is placed on the slow descending plate 641b, after the slow descending rope is tied, the slow descending rope pulls the pipe 10 to move upwards along the sliding rod 610 and pulls the slow descending mechanism 640 to move upwards under the transmission action of the transmission device 40, at this time, the pushing block 642b on the sliding frame 642 is disengaged from the triggering section of the triggering block 643a, the elastic force of the return spring 643d makes the triggering block 643a move in the direction away from the slow descending plate 641b and drives the locking block 643b to move, at this time, the locking block 643b is disengaged from the projection on the slow descending plate 641b and releases the locking of the slow descending plate 641b, the free end of the transmission plate 641d is separated from the abutting section of the sliding rod 610 and the transmission plate 641d moves toward the abutting section of the sliding rod 610 along the guiding direction of the guiding slot 642a disposed on the sliding frame 642 during the separation process, and more preferably, a thrust spring for pushing the transmission plate 641d to move toward the bottom plate of the sliding rod 610 is disposed between the transmission plate 641d and the sliding frame 642, and more specifically, the thrust spring is disposed in the guiding slot 642a and abuts against the output end of the transmission plate 641d at one end and the sliding frame 642 at the other end, the movement of the transmission plate 641d drives the swing link 641e to move and drive the pawl 641c to rotate toward the ratchet 641a around the core line of the hinge shaft, so that the pawl 641c engages with the ratchet 641a, and the elastic force of the spring causes the slow-falling plate 641b to rotate clockwise when supporting the pipe 10 and causes the ratchet 641a and the slow-falling plate 641b to rotate synchronously, when the elastic potential energy of the clockwork spring is completely converted into power potential energy, the slow descending plate 641b and the ratchet 641a stop rotating, and the slow descending plate 641b which stops rotating slides upwards along with the sliding frame 642, so that a secondary protection effect on the pipe 10 can be achieved, the pipe breakage caused by the breakage of the slow descending rope is avoided, and the pipe 10 is prevented from moving laterally in the carrying process.
More specifically, slowly fall board 641b and pipe fitting 10's contact end be the arc concave surface, this arc concave surface contacts with the arc surface of pipe fitting 10 and can increase the area of contact with the pipe wall of pipe fitting 10, when slowly falling board 641b and pipe fitting 10 bump, the arc concave surface can reduce pipe fitting 10 and take place cracked possibility in handling, has guaranteed construction safety simultaneously.
More optimally, the glide rods 610 between and be close to ground and be provided with the lower support rod 650 of perpendicular to glide rod 610, the one end of lower support rod 650 link to each other with a glide rod 610, the other end links to each other with another glide rod 610, pipe fitting 10 produces the extrusion to glide rod 610 at the in-process that slowly falls, lower support rod 650 has avoided glide rod 610 to produce the extrusion deformation.
As shown in fig. 18 and 19, a chamfer a is arranged at a corner of the triggering section of the triggering block 643a facing the sliding frame and contacting with the pushing block 642b, and a chamfer b is arranged at a corner of the pushing block 642b facing the triggering section of the triggering block 643a and contacting with the chamfer a, and the cooperation of the chamfer a and the chamfer b can reduce the resistance of the pushing block 642b to push the triggering section of the triggering block 643a and ensure the smooth triggering of the triggering block 643 a.
As shown in fig. 20, the transmission device 40 includes a transmission mechanism 410 and a receiving mechanism 420, the transmission mechanism 410 is disposed in the receiving mechanism 420, the receiving mechanism 420 includes an outer shell 421 for receiving the transmission mechanism 410, and the outer shell 421 is provided with an engaging lug 422 for suspending the transmission device 40 on the pulling rope 330.
Accommodating mechanism 420 still including set up the spacing component that is used for carrying on spacingly to drive mechanism 410 in shell 421, spacing component include connecting plate 423, link 426, connecting plate 423 and link 426 between link 426 link to each other through the fastener, be provided with drive mechanism 410 between connecting plate 423 and the link 426, connecting plate 423 on be provided with and be used for carrying out the arrangement chamber 424 of dodging to the slow rope that falls of output on drive mechanism 410, arrangement chamber 424 be provided with two and parallel arrangement.
Preferably, the connecting plate 423 and the connecting frame 426 are both provided with sleeves 425, the two sleeves 425 are coaxially arranged and located between the connecting plate 423 and the connecting frame 426, and the two sleeves 425 are used for connecting the transmission mechanism 410.
More perfectly, a fixing frame 427 is matched in the installation cavity 424, two parallel sliding rods 428 are arranged in the fixing frame 427, the slow descending rope passes through a gap between the two sliding rods 428 and can slide relatively, smooth transportation of the slow descending rope is guaranteed, and severe friction between the line body and the edges of the installation cavity 424 and the fixing frame 427 is avoided.
Preferably, the transmission mechanism 410 is externally sleeved with a protection tube 429, and the protection tube 429 can ensure the stability of the transmission mechanism 410 in the transmission process of the transmission mechanism 410.
As shown in fig. 26 to 29, the transmission mechanism 410 includes a motor, a transmission gear set, and a rope pulling mechanism, an output end of the motor is connected to the transmission gear set and drives the transmission gear set to rotate, and the rotation of the transmission gear set drives the rope pulling mechanism to rotate, so as to implement retraction of the slow descent rope.
As shown in fig. 26 to 27, the transmission gear set includes a first gear 411, a second gear 412, a third gear 413, a rotating disc 414, a fourth gear 415, and a fifth gear 416, and the first gear 411, the second gear 412, the third gear 413, the rotating disc 414, and the fourth gear 415 constitute a speed reduction mechanism, since the pipe 10 itself has a large mass, the speed reduction mechanism can reduce the rotation speed and increase the torque during the transportation of the pipe 10, so as to achieve the slow and smooth descent of the pipe 10, the first gear 411, the second gear 412, the third gear 413, and the fourth gear 415 are all disposed on the rotating disc 414, the rotating disc 414 is a housing with an inner ring groove and an inner gear disposed on the groove wall of the inner ring groove, the rotating disc 414 is movably disposed in the protection tube 429 and can rotate around its axis, the rotating disc 414 includes a gear surface and a smooth surface, the first gear 411, the second gear 412, the third gear 413, the rotating disc 415, and, The second gear 412 and the third gear 413 are arranged on a gear surface, the fourth gear 415 is arranged on a smooth surface, the first gear 411 is coaxially sleeved at an output shaft end of the motor and the first gear 411 is meshed with the second gear 412, the axis of the first gear 411 is parallel to the axis of the second gear 412 and eccentrically arranged on the gear surface of the turntable 414, the third gear 413 is coaxially arranged with the second gear 412, the third gear 413 can synchronously rotate with the second gear 412, the third gear 413 is meshed with an internal gear of the turntable 414, the third gear 413 is parallel to the axis of the turntable 414, the third gear 413 is arranged on the gear surface of the turntable 414, when the motor is started during operation, the rotation of the output end of the motor can drive the first gear 411 to rotate around the axis thereof, the rotation of the first gear 411 drives the second gear 412 to rotate around the axis thereof and drives the third gear 413 to synchronously rotate, the third gear 413 rotates to drive the turntable 414 to rotate around the axis thereof, the fourth gear 415 is arranged at the center of the smooth surface of the rotating disc 414 and is fixedly connected with the rotating disc 414, the fifth gear 416 is meshed with the fourth gear 415, the axis of the fifth gear 416 is parallel to the axis of the fourth gear 415, the rotation of the rotating disc 414 drives the fourth gear 415 to rotate around the axis, the rotation of the fourth gear 415 drives the fifth gear 416 to synchronously rotate, and the rotation of the fifth gear 416 drives the rope pulling mechanism to rotate.
The rope pulling mechanism comprises a worm 417 and a worm wheel 418, the worm 417 and the worm wheel 418 are coaxially arranged with a fifth gear 416, the worm wheel 418 is matched with the worm 417, a rotating shaft 419 is horizontally arranged at the center of the worm wheel 418 and fixedly connected with the worm wheel 418, a rope winding drum which is coaxially arranged with the rotating shaft 419 is sleeved on the rotating shaft 419 and can synchronously rotate with the rotating shaft 419, the rope winding drum is provided with two rope winding drums which are respectively positioned at one side of the worm wheel 418, a slow descending rope for providing restraint force for the pipe fitting 10 is wound on the circumference of the rope winding drum, the rotation of the fifth gear 416 can drive the worm 417 to rotate around the axis of the worm 417, the worm 417 drives the worm wheel 418 to rotate around the axis of the worm winding drum and drives the rotating shaft 419 to rotate, the rotating shaft 419 rotates to drive the rope winding drum to rotate, and the rope winding drum can be.
A method for conveying building tubular members such as cement pipes, comprising the steps of:
the mounting process;
S1, an operator fixes a high-position conveying device 20 on a conveying carriage through a fastener, the discharge end of the high-position conveying device 20 is flush with the side wall of the conveying carriage, one end of the low-position sliding mechanism 60 in the length direction is connected with a clamping mechanism 50, the other end of the low-position sliding mechanism 60 extends to the ground, when the clamping mechanism 50 is installed, the opening of a clamping frame 510 is matched with the discharge end of the high-position conveying device 20, the top of the discharge end of the high-position conveying device 20 is in contact with the top of the opening of the clamping frame 510, at the moment, a bolt is rotated, the upward large surface of a clamping plate 520 is in contact pressure with the bottom of the discharge end of the high-position conveying device 20, and the top of the discharge end of the high-position conveying device 20 is in contact pressure with the top of the;
S2, inserting the guide connecting rod 230 into the fixing groove 240, sleeving the connector 310 outside the guide connecting rod 230, adjusting the height of the connector 310, fixing the connector and the guide connecting rod 230 through a height positioning mechanism, inserting two ends of the supporting rod 320 into first fixing connecting holes 311 on the two connectors 310 respectively, inserting two ends of the pull rope 330 into second fixing connecting holes 312 on the two connectors 310 respectively, and rotating the locking bolt 313 for locking and fixing;
S3, the transmission device 40 is fixedly connected to the middle position of the pull rope 330, and the slow descending rope is guided by the transmission device 40 and then is smoothly tied to the lantern ring after being guided by a rope winding groove on the rope winding device 632;
(II) unloading the pipe 10;
s4, conveying the pipe 10 to the horizontal plate 220 of the high-position conveying device 20 by an operator or mechanical equipment, enabling the axis of the pipe 10 to be perpendicular to the vertical plate 210, pushing the pipe 10 and enabling the pipe 10 to move towards the direction of the low-position sliding mechanism 60, and when the pipe 10 moves to the discharging end of the high-position conveying device 20, enabling the pipe 10 to be in contact with the slow descending rope and enabling the slow descending rope to be in a tensioning state;
S5, a motor is started, rotation of an output end of the motor drives a first gear 411 to rotate around a self axis, rotation of the first gear 411 drives a second gear 412 to rotate around the self axis and drive a third gear 413 to synchronously rotate, rotation of the third gear 413 drives a rotary disc 414 to rotate around the self axis, rotation of the rotary disc 414 drives a fourth gear 415 to rotate around the self axis, rotation of the fourth gear 415 drives a fifth gear 416 to synchronously rotate, rotation of the fifth gear 416 can drive a worm 417 to rotate around the self axis, rotation of the worm 417 drives a worm wheel 418 to rotate around the self axis and drive a rotary shaft 419 to rotate, the rotary shaft 419 rotates to drive a rope winding drum to rotate, rotation of the rope winding drum can achieve winding and unwinding of a slow descending rope, the slow descending rope can inhibit rapid sliding down of the pipe 10 in a slow rotation process of the rope winding drum, the pipe 10 slowly slides down to the bottom of a sliding rod 610, a pushing block 642b on the sliding frame 642 collides with a triggering section of a triggering block 643a and enables the triggering block 643a to approach to a slow rotation When the slow descending plate 641b rotates, the slow descending plate 641b rotates counterclockwise due to the gravity of the pipe 10, the locking mechanism 643 is switched from the triggered state to the locked state, and during the rotation of the slow descending plate 641b, the convex block on the slow descending plate 641b abuts against the locking block 643b on the locking mechanism 643b, and the locking block 643b moves away from the slow descending plate 641b along the guiding direction of the guiding groove, and the locking spring 643c is in a compressed state, and when the slow descending plate 641b continues to rotate, the convex block on the slow descending plate 641b moves below the locking block 643b, at this time, the locking spring 643c releases the elastic potential energy and moves the locking block b towards the direction of the slow descending plate 641b, so that the slow descending plate 641b is in the locked state, at this time, the pipe 10 can slide down to the ground through the slow descending plate 643b, and the safe slow descending of the pipe 10 to the ground is ensured;
(III) loading process of the pipe 10;
s6, an operator or mechanical equipment conveys the pipe 10 to the bottom of the low-position sliding mechanism 60 and is positioned on the slow descending plate 641b, the axis of the pipe 10 is perpendicular to the length direction of the sliding rod 610, and then a slow descending rope is tied down;
s7, after the slow descending rope fastening system is completed, the pipe 10 is moved to the bottom of the low sliding mechanism 60 and is placed on the slow descending plate 641b, under the driving action of the driving device 40, the slow descending rope pulls the pipe 10 to move upwards along the sliding rod 610 and pulls the slow descending mechanism 640 to move upwards, at this time, the pushing block 642b on the sliding frame 642 is disengaged from the triggering section of the triggering block 643a, the elastic force of the return spring 643d causes the triggering block 643a to move in the direction away from the slow descending plate 641b and drives the locking block 643b to move, at this time, the locking block 643b is disengaged from the protruding block on the slow descending plate 641b and releases the locking of the slow descending plate 641b, the free end of the transmission plate 641d is separated from the collision section of the sliding rod 610 and the transmission plate 641d moves in the direction close to the core line of the collision section of the sliding rod 610 along the guiding direction of the guiding groove 642a arranged on the sliding frame during the separation, and the movement of the transmission plate 641d drives the hinge shaft 641e to move and drive the pawl 641e around the ratchet 641 When the pipe 10 is loaded upwards, the pipe 10 is not in contact with the slow-descending plate 641b due to the supporting force provided by the slow-descending rope to the pipe 10, when the elastic potential energy of the spring is completely converted into the kinetic potential energy, the slow-descending plate 641b and the ratchet 641a stop rotating, the slow-descending rope pulls the pipe 10 to move upwards continuously along the length direction of the sliding rod 610, and when the pipe 10 moves to the discharging end of the high-position conveying device 20, the pipe 10 is moved into the loading compartment by an operator or mechanical equipment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention; various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The safe loading and unloading equipment for the cement pipeline is characterized by comprising a high-position conveying device, a low-position slipping mechanism, a transmission device and a pulling and holding device, wherein the high-position conveying device is used for conveying a pipe fitting, the low-position slipping mechanism is used for slowly slipping and conveying the pipe fitting conveyed by the high-position conveying device, the transmission device is used for slowly conveying the pipe fitting and providing power, the pulling and holding device is used for suspending the transmission device, the high-position conveying device is fixed on a transport carriage through a fastening piece, one end of the low-position slipping mechanism is connected with a discharging end of the high-position conveying device, the other end of the low-position slipping mechanism extends to the ground, and a slow descending rope for slowly descending the pipe fitting is arranged between the transmission device and the low;
The low-position sliding mechanism comprises two parallel sliding rods, one end of the sliding rod in the length direction is hinged with the discharging end of the high-position conveying device, the core line of a hinged shaft is vertical to the length direction of the sliding rod, the other end of the sliding rod in the length direction extends to the ground, a lantern ring for tying a slow descending rope is arranged between the two sliding rods and at the position close to the discharging end of the high-position conveying device, a rope winding mechanism and a slow descending mechanism are arranged between the two sliding rods, the rope winding mechanism comprises rope winding rods which are arranged between the two sliding rods and are mutually vertical to the sliding rods, sliding grooves are arranged in the length direction of the sliding rods, rope winding devices which are used for winding slow descending ropes and are vertical to the sliding rods along the central axis are arranged at the two ends of the rope winding rods, the rope winder is provided with a rope winding groove, and two ends of the rope winding mechanism are provided with slow descending mechanisms for providing supporting force for the pipe fittings in the slow descending or lifting process;
The sliding rod comprises a sliding section and an abutting section, the abutting section is close to the ground, one end, close to the sliding section, of the abutting section is a protruding abutting wall, an installation hole is formed in the abutting section of the sliding rod and close to the abutting wall, the length direction of the installation hole is perpendicular to the length direction of the sliding rod, the slow descending mechanism comprises a sliding frame, a ratchet mechanism and a locking mechanism, the sliding frame is in sliding guide fit with a sliding groove in the sliding rod, the ratchet mechanism is arranged on the sliding frame, the locking mechanism is arranged in the installation hole in the sliding rod, and the sliding frame is connected with the rope winder;
The ratchet mechanism comprises a ratchet wheel, a pawl, a swing rod, a descent control plate and a transmission plate, wherein the ratchet wheel is arranged on the sliding frame, the central axis of the ratchet wheel is perpendicular to the sliding rod, the pawl is matched with the ratchet wheel, the descent control plate is used for providing supporting force for the pipe fitting and synchronously rotates with the ratchet wheel, the transmission plate is used for triggering the rotation of the ratchet wheel, the ratchet wheel is matched with the pawl to realize that the ratchet wheel rotates in a direction opposite to the rotation direction of the ratchet wheel in the descending process of the pipe fitting, the pawl is hinged to the sliding frame and hinged to one end of the swing rod, the other end of the swing;
The sliding frame comprises a guide groove which is in sliding guide fit with the transmission plate and a pushing block used for triggering the locking mechanism to lock, a spiral spring is arranged in a disc of the slow descending plate connected with the ratchet wheel, the spiral spring is a coiled steel bar, the slow descending plate rotates anticlockwise under the action of gravity of the pipe fitting, the spiral spring arranged in the disc of the slow descending plate is wound tightly and accumulates elastic potential energy, and when the spiral spring releases the elastic potential energy, the slow descending plate and the ratchet wheel are driven to rotate clockwise;
the locking mechanism comprises a triggering state and a locking state, wherein a convex block for locking is arranged on the slow descending plate, and the convex block is positioned on the large surface facing the sliding frame.
2. The safe handling device for cement pipelines according to claim 1, wherein the locking mechanism comprises a trigger block, a locking spring and a return spring, the trigger block is arranged in the mounting hole of the sliding rod, the motion direction of the trigger block is perpendicular to the length direction of the sliding rod, the trigger block comprises a trigger section and a guide section, the guide section is provided with a guide groove, the guide direction of the guide groove is perpendicular to the length direction of the sliding rod, the locking block is arranged in the guide groove, the locking spring perpendicular to the length direction of the sliding rod is arranged between the locking block and the side wall of the guide groove, one end of the locking spring is abutted against the locking block, the other end of the locking spring is abutted against the side wall of the guide groove, the locking mechanism further comprises the return springs arranged at two sides of the guide section and parallel to the guide direction of the guide section, and the contact end of the slow-falling plate and the pipe, the lower support rod is arranged between the sliding rods and close to the ground, and is perpendicular to the sliding rods, one end of the lower support rod is connected with one sliding rod, and the other end of the lower support rod is connected with the other sliding rod.
3. The safe handling equipment for cement pipelines according to claim 2, wherein the transmission device comprises a transmission mechanism and a receiving mechanism, the transmission mechanism is arranged in the receiving mechanism, the receiving mechanism comprises a housing for holding the transmission mechanism, the housing is provided with a connecting lug for hanging the transmission device on the pulling rope, the receiving mechanism further comprises a limiting element arranged in the housing for limiting the transmission mechanism, the limiting element comprises a connecting plate and a connecting frame, the connecting plate is connected with the connecting frame through a fastener, the transmission mechanism is arranged between the connecting plate and the connecting frame, the connecting plate is provided with a mounting cavity for avoiding the slow descending rope output from the transmission mechanism, the mounting cavities are arranged in two parallel, and the connecting plate and the connecting frame are both provided with sleeves, the sleeve pipe coaxial line arrange and be located between connecting plate and the link, the arrangement intracavity match have a fixed frame, be provided with two slide bars that are parallel to each other in the fixed frame, drive mechanism the overcoat connect the protection tube.
4. The safety handling equipment for cement pipe according to claim 3, wherein the transmission mechanism comprises a motor, a transmission gear set and a rope pulling mechanism, the output end of the motor is connected with the transmission gear set, the transmission gear set comprises a first gear, a second gear, a third gear, a turntable, a fourth gear and a fifth gear, the first gear, the second gear, the third gear, the turntable and the fourth gear form a speed reducing mechanism, the first gear, the second gear, the third gear and the fourth gear are all arranged on the turntable, the turntable is a shell with an inner annular groove and an inner gear, the inner gear is arranged on the groove wall of the inner annular groove, the turntable is movably arranged in the protection tube and can rotate around the axis of the turntable, the turntable comprises a gear surface and a smooth surface, the first gear, the second gear and the third gear are arranged on the gear surface, the fourth gear is arranged on the smooth surface, the first gear is coaxially sleeved at the output shaft end of the motor and meshed with the second gear, the axis of the first gear is parallel to the axis of the second gear and eccentrically arranged on the gear surface of the turntable, the third gear and the second gear are coaxially arranged and can synchronously rotate with the second gear, the third gear is meshed with the inner gear of the turntable and is parallel to the axis of the turntable, the third gear is arranged on the gear surface of the turntable, the rope pulling mechanism comprises a worm coaxially arranged with the fifth gear and a worm wheel matched with the worm, a rotating shaft is horizontally arranged at the center of the worm wheel and fixedly connected with the worm wheel, a rope winding drum coaxially arranged with the rotating shaft is sleeved on the rotating shaft and can synchronously rotate with the rotating shaft, two rope winding drums are respectively arranged on one side of the worm wheel, the circumference of the rope winding drum is wound with a slow descending rope for providing restraining force for the pipe fitting.
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| CN201810156368.5A CN108382893B (en) | 2018-02-24 | 2018-02-24 | Safe handling equipment for cement pipeline |
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| CN201810156368.5A CN108382893B (en) | 2018-02-24 | 2018-02-24 | Safe handling equipment for cement pipeline |
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| CN109250645A (en) * | 2018-10-10 | 2019-01-22 | 高明芳 | A kind of conduit bracket |
| CN110127395B (en) * | 2019-04-28 | 2020-10-16 | 江苏润泰管业有限公司 | Sewage pipeline unloader |
| CN111017803A (en) * | 2019-11-30 | 2020-04-17 | 徐州恒佳机械科技有限公司 | Mining machinery loads strutting arrangement |
| CN111879513B (en) * | 2020-07-31 | 2024-06-21 | 河北工业大学 | Right-angle suspension type RV reducer comprehensive performance testing device |
| CN112776695B (en) * | 2021-01-22 | 2022-08-09 | 李振江 | Slowly fall formula culvert pipe transport vechicle |
| CN113428641B (en) * | 2021-07-08 | 2022-04-08 | 绍兴罡龙针纺服饰有限公司 | Mechanical arm cloth clamping device |
| CN117566368A (en) * | 2024-01-19 | 2024-02-20 | 烟台凡西农业科技有限公司 | Automatic conveying equipment for transferring fruit tree seedlings |
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| DE2731415C3 (en) * | 1977-07-12 | 1980-12-11 | Mannesmann Ag, 4000 Duesseldorf | Four rope system of a facade access device |
| CN101195468A (en) * | 2006-12-06 | 2008-06-11 | 张良 | Control device |
| CN203021268U (en) * | 2012-08-29 | 2013-06-26 | 中铁六局集团有限公司 | Combination device utilizing light-type railway to carry heavy device |
| CN203411302U (en) * | 2013-08-09 | 2014-01-29 | 胡尔曼别克.托列乌 | Lifter |
| CN203382476U (en) * | 2013-08-12 | 2014-01-08 | 李芬香 | High-rise material conveyor |
| CN204433827U (en) * | 2015-01-28 | 2015-07-01 | 潘学胜 | A kind of grain delivery trolley and magazine loading attachment |
| CN109110692A (en) * | 2017-07-25 | 2019-01-01 | 六安永贞匠道机电科技有限公司 | The handling tool of cable reel, electric pole |
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