CN110454490B - Traction middle part controllable connecting device - Google Patents
Traction middle part controllable connecting device Download PDFInfo
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- CN110454490B CN110454490B CN201910760999.2A CN201910760999A CN110454490B CN 110454490 B CN110454490 B CN 110454490B CN 201910760999 A CN201910760999 A CN 201910760999A CN 110454490 B CN110454490 B CN 110454490B
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- coil spring
- pressure control
- air pressure
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- external air
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- 230000007246 mechanism Effects 0.000 claims abstract description 335
- 230000005484 gravity Effects 0.000 claims abstract description 101
- 238000007789 sealing Methods 0.000 claims abstract description 90
- 230000037431 insertion Effects 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
- B66C1/0256—Operating and control devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B47/00—Suction cups for attaching purposes; Equivalent means using adhesives
Abstract
The invention discloses a middle part controllable connecting device for traction, which comprises a main hollow pipeline shell. The invention can realize the connection between the traction machine and the pulled component by utilizing the combination capability of the negative pressure state, and once the phenomenon that the traction force between the traction machine and the pulled component is overlarge, the device can be disconnected in time, thereby preventing the component damage caused by overlarge traction force, and in addition, the device has a spherical structure size and gravity control type air unidirectional flow mechanism, can realize the control function of unidirectional flow of large air pressure under the action of the size and gravity of a sphere, and in addition, the device is provided with a coil spring type maximum internal and external air pressure control mechanism which can utilize the elasticity of a coil spring to ensure that once the maximum internal and external air pressure control mechanism is larger than the control range of the device, in addition, the device is provided with a piston movable air sealing mechanism and has a moving function.
Description
Technical Field
The invention relates to the technical field of connection, in particular to a middle part controllable connecting device for traction.
Background
At present, in many places, a tractor is required to carry out traction, a connecting device is required between the tractor and a towed device, and a general connecting device does not have the function of controlling the maximum traction capacity, so that during traction, irreparable damage is easily caused to the tractor or the towed part due to overlarge traction force, and the limitation is large.
Disclosure of Invention
The present invention is directed to a middle controllable connecting device for traction, so as to solve the problems mentioned in the above background art.
In order to achieve the purpose, the invention provides the following technical scheme: a middle controllable connecting device for traction comprises a main hollow pipeline shell, wherein a first hollow structure and a second hollow structure are respectively arranged at two ends inside the main hollow pipeline shell, a limiting space is arranged between the first hollow structure and the second hollow structure, a helical spring type maximum internal and external air pressure control mechanism mounting hole which is communicated with one side of the limiting space and the outside of the main hollow pipeline shell is arranged inside the main hollow pipeline shell, a helical spring type maximum internal and external air pressure control mechanism is arranged inside the helical spring type maximum internal and external air pressure control mechanism mounting hole, a first through hole structure is arranged inside the main hollow pipeline shell, a valve core is arranged inside the first through hole structure, one end of the first through hole structure is provided with a spherical structure size and a gravity control type air unidirectional flow mechanism, one end of the spherical structure size and gravity control type air one-way flow mechanism is provided with a second through hole structure communicated with the other side of the limit space, the first hollow structure and the second hollow structure are internally provided with a piston movable type air sealing mechanism, one end of each piston movable type air sealing mechanism is provided with a main connecting rod, the end parts of the two main connecting rods are respectively provided with a main connecting plate, the end surfaces of the two main connecting plates are respectively provided with a hemispherical hollow shell through bolts, the center of the interior of the hemispherical hollow shell is provided with a spherical groove structure, the hemispherical hollow shell is internally provided with a spherical body positioned in the spherical groove structure, the volume formed by the inner surface of the spherical groove structure is 3/5-3/4 of the volume formed by the outer surface of the spherical body, one end of the spherical body is provided with a pair of connecting rods, and an auxiliary connecting plate is arranged at the end part of the auxiliary connecting rod.
Further, the spherical structure size and gravity control type air unidirectional flow mechanism comprises a shell for the spherical structure size and gravity control type air unidirectional flow mechanism, a spherical space for the spherical structure size and gravity control type air unidirectional flow mechanism, a ball valve for the spherical structure size and gravity control type air unidirectional flow mechanism, an air inlet hole for the spherical structure size and gravity control type air unidirectional flow mechanism and an air outlet hole for the spherical structure size and gravity control type air unidirectional flow mechanism; the spherical structure size and gravity control type air unidirectional flow mechanism shell is internally provided with a spherical structure size and gravity control type air unidirectional flow mechanism ball valve which is positioned in the spherical space for the spherical structure size and gravity control type air unidirectional flow mechanism, the spherical structure size and gravity control type air unidirectional flow mechanism shell is internally provided with a spherical structure size and gravity control type air unidirectional flow mechanism air inlet hole, one end of the spherical structure size and gravity control type air unidirectional flow mechanism air inlet hole is communicated with the spherical structure size and the bottom of the spherical space center for the gravity control type air unidirectional flow mechanism, the spherical structure size and the other end of the air inlet hole for the gravity control type air unidirectional flow mechanism are communicated with the spherical structure size and the center of the bottom of the shell for the gravity control type air unidirectional flow mechanism, the spherical structure size and the exhaust hole for the gravity control type air unidirectional flow mechanism are arranged in the shell for the gravity control type air unidirectional flow mechanism, one end of the exhaust hole for the spherical structure size and the gravity control type air unidirectional flow mechanism is communicated with the spherical structure size and the top of the spherical space center for the gravity control type air unidirectional flow mechanism, and the other end of the exhaust hole for the spherical structure size and the gravity control type air unidirectional flow mechanism is communicated with the spherical structure size and the center of the top of the shell for the gravity control type air unidirectional flow mechanism.
Further, the spherical structural size and the structural radius of the spherical space for the gravity control type air unidirectional flow mechanism are larger than the spherical structural size and the structural radius of the ball valve for the gravity control type air unidirectional flow mechanism, and the spherical structural size and the structural radius of the ball valve for the gravity control type air unidirectional flow mechanism are larger than the spherical structural size and the structural radius of the air inlet hole and the spherical structural size for the gravity control type air unidirectional flow mechanism and the structural radius of the air outlet hole for the gravity control type air unidirectional flow mechanism.
Furthermore, the end parts of the air inlet hole for the spherical structure size and gravity control type air unidirectional flow mechanism and the air outlet hole for the spherical structure size and gravity control type air unidirectional flow mechanism are respectively communicated with the first through hole structure and the second through hole structure.
Further, the coil spring type maximum internal and external air pressure control mechanism comprises a hollow shell for the coil spring type maximum internal and external air pressure control mechanism, an air seal ring for the coil spring type maximum internal and external air pressure control mechanism, a hollow structure for the coil spring type maximum internal and external air pressure control mechanism, an exhaust hole for the coil spring type maximum internal and external air pressure control mechanism, and a valve plate insertion space for the coil spring type maximum internal and external air pressure control mechanism, an air inlet hole for a coil spring type maximum internal and external air pressure control mechanism, a moving plate for the coil spring type maximum internal and external air pressure control mechanism, a valve plate for the coil spring type maximum internal and external air pressure control mechanism, an air vent for the coil spring type maximum internal and external air pressure control mechanism and a coil spring for the coil spring type maximum internal and external air pressure control mechanism; the side surface of the hollow shell for the coil spring type maximum internal and external air pressure control mechanism is sleeved with an air sealing ring for the coil spring type maximum internal and external air pressure control mechanism, the center inside the hollow shell for the coil spring type maximum internal and external air pressure control mechanism is provided with a hollow structure for the coil spring type maximum internal and external air pressure control mechanism, one side of the hollow shell for the coil spring type maximum internal and external air pressure control mechanism, which is positioned at the hollow structure for the coil spring type maximum internal and external air pressure control mechanism, is provided with an exhaust hole for the coil spring type maximum internal and external air pressure control mechanism, one end of the exhaust hole for the coil spring type maximum internal and external air pressure control mechanism is communicated with one end of the hollow shell for the coil spring type maximum internal and external air pressure control mechanism, and the hollow shell for the coil spring type maximum internal and external air pressure control mechanism A coil spring type maximum internal and external air pressure control mechanism valve plate insertion space is arranged at the other side of the hollow structure for the external air pressure control mechanism, a coil spring type maximum internal and external air pressure control mechanism air inlet hole is arranged at one side of the coil spring type maximum internal and external air pressure control mechanism valve plate insertion space by a hollow shell, the coil spring type maximum internal and external air pressure control mechanism air inlet hole is communicated with the other side of the coil spring type maximum internal and external air pressure control mechanism hollow shell, a coil spring type maximum internal and external air pressure control mechanism movable plate is arranged in the coil spring type maximum internal and external air pressure control mechanism hollow structure by the hollow shell, the movable plate for the coil spring type maximum internal and external air pressure control mechanism is located at the center of the end face of one side of the valve plate insertion space for the coil spring type maximum internal and external air pressure control mechanism, the valve plate for the coil spring type maximum internal and external air pressure control mechanism is of an integrated structure with the movable plate, the side face of the movable plate for the coil spring type maximum internal and external air pressure control mechanism is provided with an air vent for the coil spring type maximum internal and external air pressure control mechanism, the air vent is communicated with two end faces of the movable plate, and the other end face of the movable plate for the coil spring type maximum internal and external air pressure control mechanism is provided with a coil spring for the coil spring type.
Further, the air sealing ring for the coil spring type maximum internal and external air pressure control mechanism is clamped in the mounting hole of the coil spring type maximum internal and external air pressure control mechanism, and one end of the exhaust hole for the coil spring type maximum internal and external air pressure control mechanism is communicated with the limiting space.
Further, the initial length of the coil spring type coil spring for the maximum internal and external air pressure control mechanism is longer than the transverse length of the hollow structure for the maximum internal and external air pressure control mechanism.
Further, the piston-movable air sealing mechanism comprises a piston for the piston-movable air sealing mechanism, a movable guide structure for the piston-movable air sealing mechanism, a hollow structure for the piston-movable air sealing mechanism, a rod body mounting hole for the piston-movable air sealing mechanism, a sealing ring mounting groove structure for the piston-movable air sealing mechanism, and a sealing ring for the piston-movable air sealing mechanism; one side of piston for the portable air seal mechanism of piston is provided with the portable air seal mechanism of piston with its integral type structure with removing guide structure, the portable air seal mechanism of piston is with the inside hollow structure for the portable air seal mechanism of piston that is provided with of the piston other end, portable air seal mechanism of piston is provided with the portable air seal mechanism of piston with body of rod mounting hole in hollow structure one end center, the side of the portable air seal mechanism of piston is provided with a plurality of portable air seal mechanism of piston and uses sealing washer mounting groove structure, every portable air seal mechanism of piston all installs a portable air seal mechanism of piston and uses the sealing washer in the inside of sealing washer mounting groove structure.
Further, the piston for the piston movable type air sealing mechanism is installed inside the first hollow structure and the second hollow structure, and the structural radius of the piston for the piston movable type air sealing mechanism is the same as that of the first hollow structure and the second hollow structure.
Furthermore, the movable air sealing mechanism for the piston is provided with one end of the main connecting rod inside the rod body mounting hole.
Compared with the prior art, the invention has the beneficial effects that: the invention can realize the connection between the traction machine and the part to be dragged by utilizing the combining capacity of the negative pressure state, and the device can be disconnected in time when the phenomenon of overlarge traction force between the traction machine and the part to be dragged occurs, thereby preventing the part damage phenomenon caused by the overlarge traction force, and the device is provided with a spherical structure size and gravity control type air one-way flowing mechanism which can realize the control function of the one-way flowing of large air pressure under the action of the size and the gravity of a sphere, in addition, the device is provided with a helical spring type maximum internal and external air pressure control mechanism which can control the maximum air pressure value of the internal and external air by utilizing the elasticity of a helical spring, and can realize the timely air compensation when the control range is larger than the control range of the device, in addition, the device is provided with a piston movable type air sealing mechanism, the air leakage can be prevented and the movement function can be realized.
Drawings
FIG. 1 is a schematic view of a fully cross-sectional structure of a middle controllable connecting device for traction according to the present invention;
FIG. 2 is a schematic structural view of a spherical structure size and gravity controlled type air unidirectional flow mechanism in a middle controllable connecting device for traction according to the present invention;
FIG. 3 is a schematic structural diagram of a coil spring type maximum internal and external air pressure control mechanism in a middle controllable connecting device for traction according to the present invention;
FIG. 4 is a schematic structural diagram of a piston-moving type air sealing mechanism in a middle controllable connecting device for traction according to the present invention;
in the figure: 1, main hollow pipeline shell, 2, main connecting rod, 3, first hollow structure, 4, second hollow structure, 5, mounting hole of helical spring type maximum internal and external air pressure control mechanism, 6, second through hole structure, 7, spacing space, 8, spherical structure size and gravity control type air one-way flow mechanism, 81, shell for spherical structure size and gravity control type air one-way flow mechanism, 82, spherical space for spherical structure size and gravity control type air one-way flow mechanism, 83, ball valve for spherical structure size and gravity control type air one-way flow mechanism, 84, air inlet hole for spherical structure size and gravity control type air one-way flow mechanism, 85, exhaust hole for spherical structure size and gravity control type air one-way flow mechanism, 9, first through hole structure, 10, valve core, 11, helical spring type maximum internal and external air pressure control mechanism, 111, hollow case for coil spring type maximum internal and external air pressure control mechanism, 112, air seal for coil spring type maximum internal and external air pressure control mechanism, 113, hollow structure for coil spring type maximum internal and external air pressure control mechanism, 114, exhaust hole for coil spring type maximum internal and external air pressure control mechanism, 115, valve plate insertion space for coil spring type maximum internal and external air pressure control mechanism, 116, intake hole for coil spring type maximum internal and external air pressure control mechanism, 117, movable plate for coil spring type maximum internal and external air pressure control mechanism, 118, valve plate for coil spring type maximum internal and external air pressure control mechanism, 119, vent hole for coil spring type maximum internal and external air pressure control mechanism, 1110, coil spring type maximum internal and external air pressure control mechanism, coil spring, air seal for coil spring type maximum internal and external air pressure control mechanism, air seal for coil spring type maximum internal, 12, a piston movable air sealing mechanism, 121, a piston for the piston movable air sealing mechanism, 122, a movement guide structure for the piston movable air sealing mechanism, 123, a hollow structure for the piston movable air sealing mechanism, 124, a rod body mounting hole for the piston movable air sealing mechanism, 125, a sealing ring mounting groove structure for the piston movable air sealing mechanism, 126, a sealing ring for the piston movable air sealing mechanism, 13, a main connecting plate, 14, a hemispherical hollow shell, 15, a spherical groove structure, 16, a spherical body, 17, an auxiliary connecting rod, 18 and an auxiliary connecting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention: the air-conditioning system comprises a main hollow pipeline shell 1, wherein a first hollow structure 3 and a second hollow structure 4 are respectively arranged at two ends inside the main hollow pipeline shell 1, a limiting space 7 is arranged between the first hollow structure 3 and the second hollow structure 4, a helical spring type maximum internal and external air pressure control mechanism mounting hole 5 which is communicated with one side of the limiting space 7 and the outside of the main hollow pipeline shell 1 is arranged inside the main hollow pipeline shell 1, a helical spring type maximum internal and external air pressure control mechanism 11 is arranged inside the helical spring type maximum internal and external air pressure control mechanism mounting hole 5, a first through hole structure 9 is arranged inside the main hollow pipeline shell 1, an air door core 10 is arranged inside the first through hole structure 9, and a spherical structure size and gravity control type one-way air flow mechanism 8 is arranged at one end of the first through hole structure 9, one end of the spherical structure size and gravity control type air one-way flow mechanism 8 is provided with a second through hole structure 6 communicated with the other side of the limit space 7, the interiors of the first hollow structure 3 and the second hollow structure 4 are respectively provided with a piston movable type air sealing mechanism 12, one end of each of the two piston movable type air sealing mechanisms 12 is provided with a main connecting rod 2, the end parts of the two main connecting rods 2 are respectively provided with a main connecting plate 13, the end surfaces of the two main connecting plates 13 are respectively provided with a semi-spherical hollow shell 14 through bolts, the center of the interior of the semi-spherical hollow shell 14 is provided with a spherical groove structure 15, the semi-spherical hollow shell 14 is provided with a spherical body 16 positioned in the spherical groove structure 15, and the volume formed by the inner surface of the spherical groove structure 15 is 3/5-3/4 of the volume formed by the outer surface of the spherical body 16, one end of the spherical body 16 is provided with a pair of connecting rods 17, and the end part of the pair of connecting rods 17 is provided with a pair of connecting plates 18.
Referring to fig. 2, the spherical-structure-size and gravity-control type air unidirectional flow mechanism 8 includes a spherical-structure-size and gravity-control type air unidirectional flow mechanism housing 81, a spherical-structure-size and gravity-control type air unidirectional flow mechanism spherical space 82, a spherical-structure-size and gravity-control type air unidirectional flow mechanism ball valve 83, a spherical-structure-size and gravity-control type air unidirectional flow mechanism air inlet 84, and a spherical-structure-size and gravity-control type air unidirectional flow mechanism air outlet 85; a spherical space 82 for the spherical structure size and gravity control type air unidirectional flow mechanism is arranged at the center inside the housing 81 for the spherical structure size and gravity control type air unidirectional flow mechanism, a ball valve 83 for the spherical structure size and gravity control type air unidirectional flow mechanism is arranged inside the spherical space 82 for the spherical structure size and gravity control type air unidirectional flow mechanism of the housing 81 for the spherical structure size and gravity control type air unidirectional flow mechanism, an air inlet 84 for the spherical structure size and gravity control type air unidirectional flow mechanism is arranged inside the housing 81 for the spherical structure size and gravity control type air unidirectional flow mechanism, one end of the air inlet 84 for the spherical structure size and gravity control type air unidirectional flow mechanism is communicated with the bottom of the center of the spherical space 82 for the gravity control type air unidirectional flow mechanism, the spherical structure size and the other end of the air inlet 84 for the gravity control type air unidirectional flow mechanism communicate the spherical structure size and the center of the bottom of the housing 81 for the gravity control type air unidirectional flow mechanism, the spherical structure size and the inside of the housing 81 for the gravity control type air unidirectional flow mechanism are provided with the air outlet 85 for the spherical structure size and the gravity control type air unidirectional flow mechanism, one end of the air outlet 85 for the spherical structure size and the gravity control type air unidirectional flow mechanism communicates the spherical structure size and the top of the center of the spherical space 82 for the gravity control type air unidirectional flow mechanism, and the spherical structure size and the other end of the air outlet 85 for the gravity control type air unidirectional flow mechanism communicate the spherical structure size and the center of the top of the housing 81 for the gravity control type air unidirectional flow mechanism; the spherical structural dimension and the structural radius of the spherical space 82 for the gravity control type air unidirectional flow mechanism are larger than the spherical structural dimension and the structural radius of the ball valve 83 for the gravity control type air unidirectional flow mechanism, and the spherical structural dimension and the structural radius of the ball valve 83 for the gravity control type air unidirectional flow mechanism are larger than the spherical structural dimension and the structural radius of the air inlet 84 and the spherical structural dimension for the gravity control type air unidirectional flow mechanism and the structural radius of the air outlet 85 for the gravity control type air unidirectional flow mechanism; the end parts of the air inlet 84 for the spherical structure size and gravity control type air unidirectional flow mechanism and the air outlet 85 for the spherical structure size and gravity control type air unidirectional flow mechanism are respectively communicated with the first through hole structure 9 and the second through hole structure 6, and the spherical structure size and gravity control type air unidirectional flow mechanism mainly has the following functions: by utilizing the gravity and the structural size of the ball valve 83 for the spherical structure gravity air type gas one-way flow mechanism, air can be discharged only through the first through hole structure 9 and the second through hole structure 6, and the air cannot be discharged, so that the first through hole structure 9 faces the ground before the air compressor works.
Referring to fig. 3, the coil spring type maximum internal and external air pressure control mechanism 11 includes a coil spring type hollow housing 111 for maximum internal and external air pressure control mechanism, an air seal ring 112 for coil spring type maximum internal and external air pressure control mechanism, a hollow structure 113 for coil spring type maximum internal and external air pressure control mechanism, a vent hole 114 for coil spring type maximum internal and external air pressure control mechanism, and a valve plate insertion space 115 for coil spring type maximum internal and external air pressure control mechanism, an air intake hole 116 for a coil spring type maximum internal/external air pressure control mechanism, a moving plate 117 for a coil spring type maximum internal/external air pressure control mechanism, a valve plate 118 for a coil spring type maximum internal/external air pressure control mechanism, an air vent 119 for a coil spring type maximum internal/external air pressure control mechanism, and a coil spring 1110 for a coil spring type maximum internal/external air pressure control mechanism; a coil spring type air seal ring 112 for maximum internal and external air pressure control mechanism is fitted around the side of the coil spring type hollow case 111 for maximum internal and external air pressure control mechanism, a coil spring type hollow structure 113 for maximum internal and external air pressure control mechanism is provided at the center inside the coil spring type hollow case 111 for maximum internal and external air pressure control mechanism, a coil spring type vent hole 114 for maximum internal and external air pressure control mechanism is provided on the coil spring type hollow case 111 at one side of the coil spring type hollow structure 113 for maximum internal and external air pressure control mechanism, one end of the coil spring type vent hole 114 for maximum internal and external air pressure control mechanism is communicated with one end of the coil spring type hollow case 111 for maximum internal and external air pressure control mechanism, the hollow shell 111 for the coil spring type maximum internal and external air pressure control mechanism is provided with a coil spring type valve plate insertion space 115 for the maximum internal and external air pressure control mechanism at the other side of the hollow structure 113 for the coil spring type maximum internal and external air pressure control mechanism, the hollow shell 111 for the coil spring type maximum internal and external air pressure control mechanism is provided with a coil spring type air inlet 116 for the maximum internal and external air pressure control mechanism at one side of the coil spring type maximum internal and external air pressure control mechanism valve plate insertion space 115, the coil spring type maximum internal and external air pressure control mechanism air inlet 116 is communicated with the other side of the hollow shell 111 for the coil spring type maximum internal and external air pressure control mechanism, and the hollow shell 111 for the coil spring type maximum internal and external air pressure control mechanism is located at the hollow structure 113 for the coil spring type maximum internal and external air pressure control mechanism A coil spring type maximum internal and external air pressure control mechanism moving plate 117 is installed inside, a coil spring type maximum internal and external air pressure control mechanism valve plate 118 of an integrated structure with the coil spring type maximum internal and external air pressure control mechanism moving plate 117 is arranged at the center of the end surface of the coil spring type maximum internal and external air pressure control mechanism valve plate insertion space 115 side, a coil spring type maximum internal and external air pressure control mechanism vent hole 119 communicating the two end surfaces of the coil spring type maximum internal and external air pressure control mechanism moving plate 117 is arranged on the side surface of the coil spring type maximum internal and external air pressure control mechanism moving plate 117, and a coil spring 1110 for a coil spring type maximum internal and external air pressure control mechanism is installed on the other end surface of the coil spring type maximum internal and external air pressure control mechanism moving plate 117; the air sealing ring 112 for the coil spring type maximum internal and external air pressure control mechanism is clamped in the mounting hole 5 for the coil spring type maximum internal and external air pressure control mechanism, and one end of the exhaust hole 114 for the coil spring type maximum internal and external air pressure control mechanism is communicated with the limiting space 7; the initial length of the coil spring type coil spring 1110 for the maximum internal/external air pressure control mechanism is greater than the transverse length of the hollow structure 113 for the maximum internal/external air pressure control mechanism, and the main functions are as follows: the elasticity of the spiral spring 1110 for the spiral spring elastic type maximum air pressure control mechanism is just the maximum air pressure value, when the difference between the internal and external air pressures is greater than the elasticity of the spiral spring 1110 for the maximum internal and external air pressure control mechanism of the spiral spring type, the external air enters in time so as to reduce the pressure, so that the elasticity of the spiral spring 1110 for the maximum internal and external air pressure control mechanism of the spiral spring type is greater than the force required by the traction of an object and is smaller than the force required by the damage of equipment.
Referring to fig. 4, the piston-movable air sealing mechanism 12 includes a piston 121 for the piston-movable air sealing mechanism, a movable guiding structure 122 for the piston-movable air sealing mechanism, a hollow structure 123 for the piston-movable air sealing mechanism, a rod body mounting hole 124 for the piston-movable air sealing mechanism, a sealing ring mounting groove structure 125 for the piston-movable air sealing mechanism, and a sealing ring 126 for the piston-movable air sealing mechanism; a moving guide structure 122 for the piston moving type air sealing mechanism is arranged on one side of a piston 121 for the piston moving type air sealing mechanism, the moving guide structure is integrated with the moving guide structure, the hollow structure 123 for the piston moving type air sealing mechanism is arranged in the other end of the piston 121 for the piston moving type air sealing mechanism, a rod body mounting hole 124 for the piston moving type air sealing mechanism is arranged in the center of one end of the hollow structure 123 for the piston moving type air sealing mechanism, a plurality of sealing ring mounting groove structures 125 for the piston moving type air sealing mechanism are arranged on the side surface of the piston 121 for the piston moving type air sealing mechanism, and a sealing ring 126 for the piston moving type air sealing mechanism is mounted in each sealing ring mounting groove structure 125 for the piston moving type air sealing mechanism; the piston 121 for the piston moving type air sealing mechanism is installed inside the first hollow structure 3 and the second hollow structure 4, and the structural radius of the piston 121 for the piston moving type air sealing mechanism is the same as that of the first hollow structure 3 and the second hollow structure 4; the movable air seal mechanism of piston has one end of main connecting rod 2 with the internally mounted of body of rod mounting hole 124, and its main function is: the air can be sealed, and meanwhile, the air-sealing device has the capability of moving.
The specific use mode is as follows: during the work of the invention, one pair of connecting plates 18 is arranged at the traction part of a tractor through bolts, the other pair of connecting plates 18 is arranged at the traction part of the equipment to be dragged through bolts, then an air compressor is utilized, the air inlet of the air compressor is connected with the valve core 10, the air compressor is opened, so that the air positioned inside is continuously discharged, when the helical spring type maximum internal and external air pressure control mechanism 11 works, the air compressor is closed, the traction can be carried out, when the generated force is too large, the external air continuously enters through the helical spring type maximum internal and external air pressure control mechanism 11, and the piston movable air sealing mechanism 12 falls off due to the increase of the internal air pressure, thereby playing a role in protection.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a pull with controllable formula connecting device in middle part, includes main hollow pipeline shell (1), its characterized in that: the utility model discloses a hollow pipeline, including main hollow pipeline shell (1), the inside both ends of main hollow pipeline shell (1) are provided with first hollow structure (3) and second hollow structure (4) respectively, be provided with between first hollow structure (3) and second hollow structure (4) spacing space (7), the inside of main hollow pipeline shell (1) is provided with intercommunication spacing space (7) one side and the outside biggest interior outer air pressure control mechanism mounting hole of coil spring formula (5), the biggest interior outer air pressure control mechanism of coil spring formula (11) of an internally mounted coil spring formula of the biggest interior outer air pressure control mechanism mounting hole of coil spring formula (5), the inside of main hollow pipeline shell (1) is provided with first through-hole structure (9), the internally mounted air valve core (10) of first through-hole structure (9), the one end installation spherical structural dimension of first through-hole structure (9) and gravity control formula air unidirectional flow mechanism (8) ) One end of the spherical structure size and gravity control type air one-way flow mechanism (8) is provided with a second through hole structure (6) communicated with the other side of the limit space (7), the interiors of the first hollow structure (3) and the second hollow structure (4) are respectively provided with a piston movable type air sealing mechanism (12), one end of each piston movable type air sealing mechanism (12) is respectively provided with a main connecting rod (2), the end part of each main connecting rod (2) is respectively provided with a main connecting plate (13), the end surface of each main connecting plate (13) is respectively provided with a hemispherical hollow shell (14) through a bolt, the center of the interior of the hemispherical hollow shell (14) is provided with a spherical groove structure (15), and the hemispherical hollow shell (14) is internally provided with a spherical body (16) positioned in the spherical groove structure (15), and the volume formed by the inner surface of the spherical groove structure (15) is 3/5-3/4 of the volume formed by the outer surface of the spherical body (16), one end of the spherical body (16) is provided with a pair of connecting rods (17), the end part of the pair of connecting rods (17) is provided with a pair of connecting plates (18), the spherical structure size and gravity control type air unidirectional flow mechanism (8) comprises a shell (81) for the spherical structure size and gravity control type air unidirectional flow mechanism, a spherical space (82) for the spherical structure size and gravity control type air unidirectional flow mechanism, a ball valve (83) for the spherical structure size and gravity control type air unidirectional flow mechanism, an air inlet hole (84) for the spherical structure size and gravity control type air unidirectional flow mechanism and an air outlet hole (85) for the spherical structure size and gravity control type air unidirectional flow mechanism; a spherical space (82) for the spherical structure size and gravity control type air unidirectional flow mechanism is arranged at the center inside a shell (81) for the spherical structure size and gravity control type air unidirectional flow mechanism, a ball valve (83) for the spherical structure size and gravity control type air unidirectional flow mechanism is arranged inside the spherical space (82) for the spherical structure size and gravity control type air unidirectional flow mechanism of the shell (81) for the spherical structure size and gravity control type air unidirectional flow mechanism, an air inlet hole (84) for the spherical structure size and gravity control type air unidirectional flow mechanism is arranged inside the shell (81) for the spherical structure size and gravity control type air unidirectional flow mechanism, one end of the air inlet hole (84) for the spherical structure size and gravity control type air unidirectional flow mechanism is communicated with the bottom of the center of the spherical space (82) for the gravity control type air unidirectional flow mechanism, the other end of the air inlet hole (84) for the spherical structure size and gravity control type air unidirectional flow mechanism is communicated with the spherical structure size and the center of the bottom of the shell (81) for the gravity control type air unidirectional flow mechanism, the inside of the shell (81) for the spherical structure size and gravity control type air unidirectional flow mechanism is provided with an exhaust hole (85) for the spherical structure size and gravity control type air unidirectional flow mechanism, one end of the exhaust hole (85) for the spherical structure size and gravity control type air unidirectional flow mechanism is communicated with the top of the spherical structure size and the center of the spherical space (82) for the gravity control type air unidirectional flow mechanism, the other end of the exhaust hole (85) for the spherical structure size and gravity control type air unidirectional flow mechanism is communicated with the spherical structure size and the center of the top of the shell (81) for the gravity control type air unidirectional, the coil spring type maximum internal and external air pressure control mechanism (11) comprises a coil spring type hollow shell (111) for the maximum internal and external air pressure control mechanism, an air sealing ring (112) for the coil spring type maximum internal and external air pressure control mechanism, a hollow structure (113) for the coil spring type maximum internal and external air pressure control mechanism, an exhaust hole (114) for the coil spring type maximum internal and external air pressure control mechanism, a valve plate insertion space (115) for the coil spring type maximum internal and external air pressure control mechanism, an air inlet hole (116) for the coil spring type maximum internal and external air pressure control mechanism, a movable plate (117) for the coil spring type maximum internal and external air pressure control mechanism, a valve plate (118) for the coil spring type maximum internal and external air pressure control mechanism, an air vent (119) for the coil spring type maximum internal and external air pressure control mechanism and a coil spring (coil spring) for the coil 1110) (ii) a A coil spring type air sealing ring (112) for the maximum internal and external air pressure control mechanism is sleeved on the side surface of the hollow shell (111) for the coil spring type maximum internal and external air pressure control mechanism, a coil spring type hollow structure (113) for the maximum internal and external air pressure control mechanism is arranged in the center inside the hollow shell (111) for the coil spring type maximum internal and external air pressure control mechanism, a coil spring type exhaust hole (114) for the maximum internal and external air pressure control mechanism is arranged on one side of the coil spring type hollow structure (113) for the maximum internal and external air pressure control mechanism, one end of the coil spring type exhaust hole (114) for the maximum internal and external air pressure control mechanism is communicated with one end of the coil spring type hollow shell (111) for the maximum internal and external air pressure control mechanism, the coil spring type maximum internal and external air pressure control mechanism hollow shell (111) is located at the other side of the coil spring type maximum internal and external air pressure control mechanism hollow structure (113) and is provided with a coil spring type maximum internal and external air pressure control mechanism valve plate insertion space (115), the coil spring type maximum internal and external air pressure control mechanism hollow shell (111) is located at one side of the coil spring type maximum internal and external air pressure control mechanism valve plate insertion space (115) and is provided with a coil spring type maximum internal and external air pressure control mechanism air inlet hole (116), the coil spring type maximum internal and external air pressure control mechanism air inlet hole (116) is communicated with the other side of the coil spring type maximum internal and external air pressure control mechanism hollow shell (111), and the coil spring type maximum internal and external air pressure control mechanism hollow shell (111) is located at the coil spring type maximum internal and external air pressure control mechanism hollow shell (111) A coil spring type movable plate (117) for the maximum internal and external air pressure control mechanism is arranged in the hollow structure (113) for the large internal and external air pressure control mechanism, a coil spring type valve plate (118) for the maximum internal and external air pressure control mechanism is arranged in the center of the end surface of the coil spring type movable plate (117) positioned on one side of the valve plate insertion space (115) for the maximum internal and external air pressure control mechanism and is integrated with the coil spring type movable plate (117), a coil spring type vent hole (119) for the maximum internal and external air pressure control mechanism communicated with two end surfaces of the coil spring type movable plate (117) for the maximum internal and external air pressure control mechanism is arranged on the side surface of the coil spring type movable plate (117) for the maximum internal and external air pressure control mechanism, and a coil spring (1110) for the maximum internal and external air pressure control mechanism is arranged on the other end surface, the piston movable air sealing mechanism (12) comprises a piston (121) for the piston movable air sealing mechanism, a movable guide structure (122) for the piston movable air sealing mechanism, a hollow structure (123) for the piston movable air sealing mechanism, a rod body mounting hole (124) for the piston movable air sealing mechanism, a sealing ring mounting groove structure (125) for the piston movable air sealing mechanism and a sealing ring (126) for the piston movable air sealing mechanism; one side of the piston (121) for the piston movable air sealing mechanism is provided with a movable guide structure (122) for the piston movable air sealing mechanism which is integrated with the piston, a hollow structure (123) for the piston movable air sealing mechanism is arranged in the other end of the piston (121) for the piston movable air sealing mechanism, a rod body mounting hole (124) for the piston movable air sealing mechanism is arranged at the center of one end of the hollow structure (123) for the piston movable air sealing mechanism, the side of piston (121) for the piston movable air sealing mechanism is provided with a plurality of sealing ring mounting groove structures (125) for the piston movable air sealing mechanism, and each sealing ring (126) for the piston movable air sealing mechanism is mounted in the sealing ring mounting groove structure (125) for the piston movable air sealing mechanism.
2. A hitch coupler as claimed in claim 1, wherein: the spherical structure size and the structural radius of the spherical space (82) for the gravity control type air unidirectional flow mechanism are larger than the spherical structure size and the structural radius of the ball valve (83) for the gravity control type air unidirectional flow mechanism, and the spherical structure size and the structural radius of the ball valve (83) for the gravity control type air unidirectional flow mechanism are larger than the spherical structure size and the structural radius of the air inlet hole (84) for the gravity control type air unidirectional flow mechanism and the structural radius of the air outlet hole (85) for the gravity control type air unidirectional flow mechanism.
3. A hitch coupler as claimed in claim 1, wherein: the end parts of the air inlet (84) and the air outlet (85) of the spherical structure size and gravity control type air unidirectional flow mechanism are respectively communicated with the first through hole structure (9) and the second through hole structure (6).
4. A hitch coupler as claimed in claim 1, wherein: the coil spring type air sealing ring (112) for the maximum internal and external air pressure control mechanism is clamped in the mounting hole (5) of the coil spring type maximum internal and external air pressure control mechanism, and one end of the exhaust hole (114) for the coil spring type maximum internal and external air pressure control mechanism is communicated with the limiting space (7).
5. A hitch coupler as claimed in claim 1, wherein: the initial length of the coil spring type maximum internal/external air pressure control mechanism coil spring (1110) is greater than the transverse length of the coil spring type maximum internal/external air pressure control mechanism hollow structure (113).
6. A hitch coupler as claimed in claim 1, wherein: the piston (121) for the piston moving type air sealing mechanism is installed inside the first hollow structure (3) and the second hollow structure (4), and the structural radius of the piston (121) for the piston moving type air sealing mechanism is the same as that of the first hollow structure (3) and the second hollow structure (4).
7. A hitch coupler as claimed in claim 1, wherein: one end of a main connecting rod (2) is arranged in the rod body mounting hole (124) for the piston movable air sealing mechanism.
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| CN201910760999.2A CN110454490B (en) | 2019-08-17 | 2019-08-17 | Traction middle part controllable connecting device |
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|---|---|---|---|
| CN201910760999.2A CN110454490B (en) | 2019-08-17 | 2019-08-17 | Traction middle part controllable connecting device |
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| CN110454490B true CN110454490B (en) | 2021-07-16 |
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| CN201910760999.2A Active CN110454490B (en) | 2019-08-17 | 2019-08-17 | Traction middle part controllable connecting device |
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| CN111276908A (en) * | 2020-02-13 | 2020-06-12 | 王欣欣 | Cable construction draw gear for power engineering |
| CN111392625A (en) * | 2020-03-17 | 2020-07-10 | 徐炳祥 | Gas control type cable end traction fixing device |
| CN112558697B (en) * | 2020-12-22 | 2022-09-27 | 潍坊工程职业学院 | Flip assistor for notebook computer |
| CN114278662A (en) * | 2021-12-27 | 2022-04-05 | 王济龙 | Planar structure splicing fixer for assembly type building |
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| CN201246441Y (en) * | 2008-07-29 | 2009-05-27 | 巨力索具股份有限公司 | Traction overload protection device |
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| WO1998058870A1 (en) * | 1997-06-20 | 1998-12-30 | Lasse Godtfred Juel | Vacuum lifter system |
| CN201246441Y (en) * | 2008-07-29 | 2009-05-27 | 巨力索具股份有限公司 | Traction overload protection device |
| CN108087495A (en) * | 2017-12-04 | 2018-05-29 | 李少许 | A kind of controllable type bindiny mechanism between traction drive and traction element |
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Effective date of registration: 20210701 Address after: 215500 No. 1, Xian Shi Road, Changshu hi tech Industrial Development Zone, Suzhou, Jiangsu Applicant after: SUZHOU ZHIRUI PHOTOELECTRIC MATERIAL TECHNOLOGY Co.,Ltd. Address before: No. 208, xiadai village, Baiqi Hui village, Hui'an County, Quanzhou City, Fujian Province, 362000 Applicant before: Guo Xianjin |
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