CN110960808A

CN110960808A - Life saving equipment without using electricity

Info

Publication number: CN110960808A
Application number: CN201911402331.7A
Authority: CN
Inventors: 郭映芳; 郭凯一
Original assignee: Shijiazhuang Aokai Xinke Technology Co ltd
Current assignee: Shijiazhuang Aokai Xinke Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-07

Abstract

The invention discloses a non-electric life-saving device, which comprises a life-saving slide box and a control device, wherein a steel cable is arranged between the life-saving slide box and the control device, the control device comprises a fixed seat, a first brake device, a second brake device, a precision switch, a rotating shaft and a pay-off drum, two ends of the fixed seat are provided with supporting seats, two ends of the rotating shaft respectively penetrate through the supporting seats, the rotating shaft is connected with a supporting seat bearing, the rotating shaft is provided with a winding drum, one side of the winding drum is provided with the first brake device, the other side of the winding drum is provided with the second brake device, the front side and the rear side of the winding drum are respectively provided with a supporting rod, and the. The invention can be suitable for people of all colors, ensures that the people can safely escape from danger, and can safely carry the danger whether the people in the dangerous environment are old people or children or whether the people are fat or thin or weak in the dangerous state.

Description

Life saving equipment without using electricity

Technical Field

The invention relates to the field of mechanical lifesaving equipment, in particular to a lifesaving device without electricity.

Background

Under the high-rise sudden fire of building, earthquake or other emergency, when the personnel that are located the high-rise of building body can not normally leave the building body fast and arrive the safety zone, in view of the above, some life saving equipment have appeared in the market, wherein the main several have safety rope, life-saving bag, lifesaving sliding bag. However, these devices are simple in structure, coarse in design, simple in function, inconvenient to use, and greatly discounted in effect, and are limited to different people for use in practical use, or need to be used under the guidance of professionals, and are also difficult to be suitable for people who are injured and lose the self-contained ability, and under the crisis condition, the devices are often difficult to adapt to the requirements of people, so that the devices cannot be popularized and applied in a large area; in case of fire and earthquake, the power is easily cut off, thereby limiting the use of some life-saving equipment.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a lifesaving device without electricity.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides a life saving equipment not used electricity, includes lifesaving slide box and controlling means, be provided with the cable wire between lifesaving slide box and the controlling means, controlling means includes fixing base, first brake equipment, second brake equipment, precision switch, pivot and a pay off reel, the fixing base both ends are equipped with the supporting seat, the supporting seat is passed respectively at the pivot both ends, and pivot and supporting seat bearing are connected, set up the spool in the pivot, one side of spool sets up first brake equipment, and the opposite side sets up second brake equipment, both sides set up the bracing piece respectively around the spool, the top at the bracing piece is fixed to the pay off reel.

The further technical scheme is as follows: the first brake device comprises a first brake pad and a brake pump, the center of the first brake pad is fixed on the rotating shaft, the brake pump is arranged on one side of the first brake pad, and brake blocks of the brake pump are arranged on two sides of the first brake pad; the one end of pivot sets up the gear pump, the key-type connection between pivot and the gear pump, gear pump upper portion sets up the oil tank, set up between oil tank and the gear pump and supply oil pipe, set up into oil pipe between gear pump and the brake pump, it is equipped with the bleeder to advance on the oil pipe, the bleeder tip and precision switch are connected, be equipped with the back flow between precision switch and the oil pump.

The further technical scheme is as follows: the precision switch comprises a connecting shaft, a hand-operated motor, a rotating rod, a stop valve and an adjusting oil tank, wherein one side of the adjusting oil tank is provided with an adjusting hole, the other side of the adjusting oil tank is provided with a branch hole and a backflow hole, the branch pipe is connected with the branch hole, and the backflow pipe is connected with the backflow hole; one end of the rotating rod is in threaded connection with a connecting shaft, the connecting shaft is fixedly connected with a motor shaft of the hand-operated motor, one end of the rotating rod penetrates through an adjusting hole, an adjusting valve is arranged at the end part of the rotating rod, a flow channel is arranged on the adjusting valve, the adjusting valve is positioned on one side of a branch hole, a base is arranged at the lower part of the rotating rod and is in pin connection with the rotating rod, and small rollers are respectively arranged on two sides of the bottom of the base; the side of the regulating box is provided with a stop hole, the stop valve is in threaded connection with the stop hole, the end part of the stop valve is provided with a flow channel, and the stop valve is positioned at the return pipe.

The further technical scheme is as follows: the second brake device comprises a second brake pad, a second brake force arm and a brake cable, wherein a fixed column is arranged on one side of the winding drum and fixed on the rotating shaft, the second brake pad is arranged on two sides of the outside of the fixed column and is annular, fastening sleeves are arranged on the outside of the second brake pad and are sleeved on the outside of the second brake pad, linkage heads are arranged on two sides of the second brake pad, connecting pins are arranged on two sides of the fastening sleeves and are fixedly connected with the linkage heads, round holes are formed in two end portions of each fastening sleeve, a connecting rod is arranged in each round hole, and nuts are arranged at two ends of each connecting rod; the brake arm of force is the arc, the centre of the brake arm of force sets up the connecting hole, set up the mount pad on the fixing base, the brake arm of force passes through the connecting hole to be fixed on the mount pad, round pin hub connection between connecting hole and the mount pad, the welding of brake arm of force one end is in the bottom of adapter sleeve, and the brake line is connected to one end.

The further technical scheme is as follows: one end of the pay-off drum is an opening, the other end of the pay-off drum is provided with a through hole, an inner drum is arranged in the pay-off drum, one end of the inner drum is provided with a long rod, the other end of the inner drum is provided with a fixing head, one end of the fixing head penetrates through the opening, one end of the long rod penetrates through the through hole, a first spring is arranged in the outer drum, one end of the first spring is fixed at the through hole, the other end of the first spring is fixed at the end part of the inner drum, the first spring is located outside the long; the inner portion of the fixing head is provided with a first pulley, the first pulley is connected with the fixing head through a pin shaft, the upper portion of the outer barrel is provided with a pulley support, and a second pulley is arranged inside the pulley support.

The further technical scheme is as follows: the lifesaving slide box comprises a slide box and a limiting seat, wherein an L-shaped bobbin is arranged in the middle of the limiting seat, a plurality of hooks are arranged at the lower part of the L-shaped bobbin, a support rod and a support seat are arranged in the middle of the limiting seat, the upper end and the lower end of the support seat are movably connected with the limiting seat, one end of the L-shaped bobbin is fixed on the support seat, a roller wheel is arranged at the lower part of the L-shaped bobbin, a second spring is arranged on the support rod, and the other end of the second spring is fixed on the L-shaped bobbin; the bottom welding of spacing seat has an adjusting cylinder, the inside of adjusting cylinder is equipped with adjusting device, adjusting device includes bolt and spring three, be equipped with the separation blade on the bolt, three one end of spring are fixed on the separation blade, and the other end is fixed in the bottom of adjusting the cylinder, spacing seat is passed on bolt upper portion, and the lower extreme passes the bottom of adjusting the cylinder, the upper end card of bolt is in one side of L type line section of thick bamboo, the lower extreme of bolt is equipped with rope two.

The further technical scheme is as follows: an arc through groove is formed in the bottom of the support, a third pulley is arranged at one end of the L-shaped bobbin, a fifth pulley is arranged at the other end of the L-shaped bobbin, one end of the steel cable is fixed and wound on the winding reel, and the steel cable bypasses the outer portion of the first pulley and the outer portion of the second pulley, penetrates through the arc through groove, enters the L-shaped bobbin and bypasses the fifth pulley and the third pulley; the end of the L-shaped bobbin is provided with a straight pipe and a bent pipe, the end of the straight pipe is provided with a limiting part, the end of the straight pipe is oval, the cross section of the lower part of the limiting part is oval, the steel cable penetrates through the center of the limiting part and is fixedly connected with the limiting part, and the other end of the steel cable is connected with the sliding box.

The further technical scheme is as follows: an adjusting cylinder is arranged on one side of the straight pipe, an adjusting device is arranged in the adjusting cylinder, a clamping groove is formed in the limiting part, and the bolt penetrates through the side wall of the straight pipe and is clamped with the clamping groove; one side of return bend is equipped with pulley four, rope two passes the couple, pulley four is walked around to rope two to in getting into the return bend, the bottom of rope two is equipped with two strong magnets, two strong magnet inter attraction, the strong magnet on the upper side is fixed in rope two bottoms, and the strong magnet bottom below is equipped with the stay cord, the outside of strong magnet is equipped with spacing pipe, the inside of spacing pipe is equipped with spring four, spacing pipe is fixed on the slip case, the strong magnet of below and the upper end fixed connection of spring four, the stay cord stretches out from the bottom of spacing pipe.

The further technical scheme is as follows: the limiting seat is provided with a pulley seat, a small pulley is arranged in the pulley seat, a first rope is fixed on the small pulley, the first rope penetrates through a hook on the L-shaped wire barrel, and the other end of the first rope is connected with a bolt in an adjusting device arranged on the straight pipe.

The further technical scheme is as follows: the sliding box comprises an adjusting rod, a straight rod, a chassis and an arc-shaped connecting rod, the chassis comprises a first disc frame and a second disc frame, the first disc frame and the second disc frame are both semicircular, the first disc frame and the second disc frame are oppositely arranged to form a circle, a first connecting groove is formed in the middle of the first disc frame and the second disc frame, and a second connecting groove is formed in the two ends of the first disc frame and the second disc frame; connectors are arranged at two ends of the straight rod and the adjusting rod respectively, the two straight rods are arranged inside the second connecting groove respectively, two ends of the connector at the bottom of the straight rod are respectively connected with the first connecting groove and the second connecting groove at the end part of the first tray frame and the second tray frame through pin shafts, a rotating rod is arranged between the connectors at the bottoms of the two straight rods, and the rotating rod is movably connected with the connectors; the two adjusting rods are respectively arranged at the positions of the first connecting groove, and the connecting head at the bottom of each adjusting rod is connected with the first connecting groove through a pin shaft; the top of the straight rod and the top of the adjusting rod are respectively connected with each other through four arc-shaped connecting rods to form a circular ring shape, and two ends of each arc-shaped connecting rod are respectively connected with adjacent connecting head pin shafts.

The further technical scheme is as follows: two symmetrical long grooves are formed in the first tray frame, and adjusting grooves are formed in the end portions of the long grooves; the bottom of the first tray frame and the bottom of the second tray frame are both provided with sliding grooves, sliding frames are arranged in the sliding grooves, and adjusting handles are arranged on the upper portions of the sliding frames.

The further technical scheme is as follows: the utility model discloses a telescopic adjusting rod, including adjusting pole, lower beam, connector, upper boom, connector, draw-in groove, adjusting pole includes upper boom, lower beam and king-rod, the connector sets up the tip at upper boom and lower beam respectively, upper boom and connector threaded connection, the inside of lower beam and upper boom is located to the king-rod, the bottom of king-rod is located the lower beam, be equipped with the sliding tray on the upper boom lateral wall, the tip of sliding tray all sets up the draw-in groove, the top of king-rod sets up the adjusting knob, adjusting knob and draw-in groove.

The further technical scheme is as follows: the slide box comprises two load dishes and thick rope, two load dishes set up one on the other, connect by thick rope between two load dishes, the load dish includes two semicircle dishes and connecting piece, the semicircle dish is latticed, the inside straight stock that is equipped with of semicircle dish, straight stock passes the semicircle dish, semicircle dish one side is equipped with the connecting pipe, the load dish is formed by two relative settings of semicircle dish to the crisscross setting of straight stock on two semicircle dishes, the connecting piece sets up the both ends at the connecting pipe respectively, the connecting pipe on two semicircle dishes is connected respectively at the both ends of connecting piece.

The invention has the beneficial effects that:

1. the invention can be suitable for people of all colors, ensures that people can safely escape from danger, and under the dangerous state, no matter people in the dangerous situation are old people or children, no matter whether the people are fat or thin, the equipment can safely carry the danger of escaping, and the arrangement of the sliding box can also be used for injured people, and no matter what physical state the people are asked for life, the equipment can carry the safety of escaping, the requirement on the use specialty is not high, the operation is simple and convenient, and the accompany of professionals is not needed;

2. the control center is mechanically controlled, does not need electric energy, and can be used even under the condition of power failure;

3, the slide box is a foldable slide box, and can be folded for storage when not in use, so that the storage space is saved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is an overall schematic view of a non-electric life saving device;

fig. 2 is a schematic front view of a control device in a non-electric life saving device;

fig. 3 is a top view of a control device in a non-electric life saving device;

fig. 4 is a perspective view of a control device in a non-electric life saving device;

FIG. 5 is a cross-sectional view of a precision switch in a non-electric life saving device;

fig. 6 is an exploded view of a pay-off reel in a non-electric life saving device;

fig. 7 is a schematic view of a slide box of a first embodiment of a non-electric life saving device;

fig. 8 is a schematic view of a slide box of the second embodiment of the life saving device without electricity;

fig. 9 is a schematic view of the bottom of a slide box of the first embodiment of the non-electric life saving device;

fig. 10 is a schematic view of a spacing seat in a non-electric life saving device;

fig. 11 is a schematic view of an L-shaped bobbin in a non-electric life saving device;

fig. 12 is a schematic side view of a spacing seat in a non-electric life saving device;

fig. 13 is a folding view of a slide box of the first embodiment of the life saving device without using electricity;

fig. 14-15 are folding views of the slide box of the second embodiment of the life saving device without electricity;

FIG. 16 is an enlarged view of the end of an L-shaped bobbin in a non-powered life saving device;

fig. 17 is an enlarged view of a restriction in a non-electric life saving device;

fig. 18 is an exploded view of a strong magnet portion of a life saving device without electricity.

Wherein: 1. a precision switch; 2. a fixed seat; 3. a pay-off drum; 4. a steel cord; 5. a limiting seat; 6. a slide box; 7. adjusting an oil tank; 8. a hand-operated motor; 9. a handle; 10. an oil inlet pipe; 11. a gear pump; 12. a supporting seat; 13. an oil supply pipe; 14. a rotating shaft; 15. a return pipe; 16. An oil tank; 17. a connecting pin; 18. fixing a column; 19. fastening sleeves; 20. a nut; 21. a connecting rod; 22. a brake cable; 23. a second brake pad; 24. a linkage head; 25. a spool; 26. a support bar; 27. a first brake pad; 28. a brake pump; 29. a brake pad; 31. a circular hole; 32. a cross bar; 33. a long rod; 34. a second pulley; 35. a fixed head; 36. a first pulley; 37. a branch pipe; 38. a mounting seat; 39. a braking force arm; 40. a pulley support; 41. an inner barrel; 42. a first spring; 43. a through hole; 44. a rotating rod; 45. a base; 46. a small roller; 47. an adjustment hole; 48. a branch hole; 49. a flow channel; 50. a return orifice; 51. an end valve; 52. a semicircular disc; 53. a connecting pipe; 54. a straight long rod; 55. a connecting member; 56. an arc-shaped connecting rod; 57. a connector; 58. a sliding groove; 59. a card slot; 60. an adjusting knob; 61. a rod is arranged; 62. a middle rod; 63. a lower rod; 64. a first plate frame; 65. an adjusting handle; 66. a long groove; 67. an adjustment groove; 68. a connecting shaft; 69. rotating the rod; 70. connecting a first connecting groove; 71. connecting groove two; 72. a second plate frame; 73. a straight rod; 74. a chute; 75. a carriage; 76. a strut; 77. a pulley seat; 78. a first rope; 79. a bolt; 80. an adjusting cylinder; 81. adjusting a valve; 82. a second rope; 83. a support; 84. an L-shaped bobbin; 86. Hooking; 87. a straight pipe; 88. bending the pipe; 89. strong magnets; 90. a small pulley; 91. an arc-shaped through groove; 92. a roller; 93. a restricting section; 94. a clamping groove; 95. a fourth pulley; 96. a fifth pulley; 97. a second spring; 98. a third spring; 99. a baffle plate; 100. a third pulley; 101. a termination hole; 102. a coarse rope; 103. a limiting pipe; 105. a fourth spring; 104. and pulling a rope.

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 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.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1-18, a life saving equipment without electricity, including lifesaving slide box and controlling means, be provided with cable wire 4 between lifesaving slide box and the controlling means, controlling means includes fixing base 2, first brake equipment, second brake equipment, precision switch 1, pivot 14 and pay off

reel

3, 2 both ends of fixing base are equipped with supporting

seat

12, 14 both ends of pivot pass supporting seat 12 respectively, and pivot 14 and supporting seat 12 bearing are connected, set up reel 25 on the pivot 14, one side of reel 25 sets up first brake equipment, and the opposite side sets up second brake equipment, both sides set up bracing piece 26 respectively around the reel 25, the top at bracing piece 26 is fixed to pay off reel 3.

Preferably: the first brake device comprises a first brake pad 27 and a brake pump 28, the center of the first brake pad 27 is fixed on the rotating shaft 14, the brake pump 28 is arranged on one side of the first brake pad 27, and brake blocks 29 of the brake pump 28 are arranged on two sides of the first brake pad 27; the one end of pivot 14 sets up gear pump 11, the key-type connection between pivot 14 and the

gear pump

11, 11 upper portions of gear pump set up oil tank 16, set up between oil tank 16 and the gear pump 11 and supply oil pipe 13, set up into oil pipe 10 between gear pump 11 and the brake pump 28, it is equipped with bleeder 37 on the oil pipe 10 to advance, bleeder 37 tip and precision switch 1 are connected, be equipped with back flow 15 between precision switch 1 and the oil pump.

Preferably: the precision switch 1 comprises a connecting shaft 68, a hand-operated motor 8, a rotating rod 44, a stop valve 51 and an adjusting oil tank 7, wherein one side of the adjusting oil tank 7 is provided with an adjusting hole 47, the other side of the adjusting oil tank 7 is provided with a branch hole 48 and a return hole 50, the branch pipe 37 is connected with the branch hole 48, and the return pipe 15 is connected with the return hole 50; one end of the rotating rod 44 is in threaded connection with the connecting shaft 68, the connecting shaft 68 is fixedly connected with a motor shaft of the hand-operated motor 8, one end of the rotating rod 44 penetrates through the adjusting hole 47, the end part of the rotating rod is provided with an adjusting valve 81, the adjusting valve 81 is provided with a flow passage 49, and the flow passage 49 can be controlled in a small range; the adjusting valve 81 is positioned at one side of the branch hole 48, the lower part of the rotating rod 44 is provided with a base 45, the base 45 is connected with the rotating rod 44 through a pin shaft, and two sides of the bottom of the base 45 are respectively provided with a small roller 46; the side of the regulating box is provided with a termination hole 101, the termination valve 51 is in threaded connection with the termination hole 101, the end part of the termination valve 51 is provided with a flow passage 49, and the termination valve 51 is positioned at the return pipe 15.

Preferably: the second brake device comprises a second brake pad 23, a brake force arm 39 and a brake cable 22, wherein a fixing column 18 is arranged on one side of the winding drum 25, the fixing column 18 is fixed on the rotating shaft 14, the second brake pad 23 is arranged on two sides of the outside of the fixing column 18, the second brake pad 23 is annular, a fastening sleeve 19 is arranged on the outside of the second brake pad 23, the fastening sleeve 19 is sleeved on the outside of the second brake pad 23, linkage heads 24 are arranged on two sides of the second brake pad 23, connecting pins 17 are arranged on two sides of the fastening sleeve 19, the connecting pins 17 are fixedly connected with the linkage heads 24, round holes 31 are formed in two end portions of the fastening sleeve 19, a connecting rod 21 is arranged inside the round holes 31, and nuts 20 are arranged at two ends of the connecting rod 21; the brake arm of force 39 is the arc, the centre of the brake arm of force 39 sets up the connecting hole, set up mount pad 38 on the fixing base 2, the brake arm of force 39 is fixed on mount pad 38 through the connecting hole, round pin hub connection between connecting hole and the mount pad 38, brake arm of force 39 one end welding is in the bottom of adapter sleeve 19, and brake cable 22 is connected to one end.

Preferably: one end of the pay-off drum 3 is an opening, the other end of the pay-off drum is provided with a through hole 43, an inner drum 41 is arranged inside the pay-off drum 3, one end of the inner drum 41 is provided with a long rod 33, the other end of the inner drum is provided with a fixing head 35, one end of the fixing head 35 penetrates through the opening, one end of the long rod 33 penetrates through the through hole 43, a first spring 42 is arranged inside the outer drum, one end of the first spring 42 is fixed at the through hole 43, the other end of the first spring 42 is fixed at the end part of the inner drum 41, the first spring 42 is positioned outside the long rod 33; the inner portion of the fixing head 35 is provided with a first pulley 36, the first pulley 36 is connected with the fixing head 35 through a pin shaft, the upper portion of the outer barrel is provided with a pulley support 40, and the inner portion of the pulley support 40 is provided with a second pulley 34.

Preferably: the lifesaving sliding box comprises a sliding box 6 and a limiting seat 5, an L-shaped bobbin 84 is arranged in the middle of the limiting seat 5, a plurality of hooks 86 are arranged at the lower part of the L-shaped bobbin 84, a supporting rod 76 and a supporting seat 83 are arranged in the middle of the limiting seat 5, the upper end and the lower end of the supporting seat 83 are movably connected with the limiting seat 5, one end of the L-shaped bobbin 84 is fixed on the supporting seat 83, a roller 92 is arranged at the lower part of the L-shaped bobbin 84, a second spring 97 is arranged on the supporting rod 76, and the other end of the second spring 97 is fixed on the L-shaped bobbin 84; the bottom welding of spacing seat 5 has an adjusting cylinder 80, the inside of adjusting cylinder 80 is equipped with adjusting device, adjusting device includes bolt 79 and three 98 of spring, be equipped with separation blade 99 on the bolt 79, three 98 one ends of spring are fixed on separation blade 99, and the bottom at adjusting cylinder 80 is fixed to the other end, spacing seat 5 is passed on bolt 79 upper portion, and the lower extreme passes the bottom of adjusting cylinder 80, the upper end card of bolt 79 is in one side of L type line section of thick bamboo 84, the lower extreme of bolt 79 is equipped with rope two 82.

Preferably: an arc-shaped through groove 91 is formed in the bottom of the support 83, a pulley III 100 is arranged at one end of the L-shaped wire barrel 84, a pulley V96 is arranged at the other end of the L-shaped wire barrel, one end of the steel cable 4 is fixed and wound on the winding drum 25, the steel cable 4 passes around the outer portion of the pulley I36 and the outer portion of the pulley II 34, passes through the arc-shaped through groove 91, enters the L-shaped wire barrel 84, and passes through the pulley V96 and the pulley III 100; the end of L type bobbin 84 is equipped with straight tube 87 and return bend 88, the end of straight tube 87 is equipped with restriction portion 93, the end of straight tube 87 is the ellipse, the cross section of restriction portion 93 lower part is the ellipse, cable wire 4 passes restriction portion 93 center and with restriction portion 93 fixed connection, the other end and the smooth case 6 of cable wire 4 are connected. The lower portions of the straight tube 87 and the restricting portion 93 are formed in an elliptical shape to reduce twisting between the shoe 6 and the wire rope 4 and to maintain stability to the maximum.

Preferably: an adjusting cylinder 80 is arranged on one side of the straight pipe 87, an adjusting device is arranged in the adjusting cylinder 80, a clamping groove 94 is formed in the limiting part 93, and the bolt 79 penetrates through the side wall of the straight pipe 87 and is clamped with the clamping groove 94; one side of return bend 88 is equipped with four 95 of pulley, two 82 of rope pass couple 86, two 82 of rope bypass four 95 of pulley to in advancing return bend 88, the bottom of two 82 of rope is equipped with two strong magnets 89, two strong magnets 89 inter attraction, the strong magnet 89 on the top is fixed in two 82 bottoms of rope, and following strong magnet 89 bottom is equipped with stay cord 104, the outside of strong magnet 89 is equipped with spacing pipe 103, the inside of spacing pipe 103 is equipped with four 105 of spring, spacing pipe 103 is fixed on smooth case 6, the strong magnet 89 of below and the upper end fixed connection of four 105 of spring, stay cord 104 stretches out from the bottom of spacing pipe 103.

Preferably: the limiting seat 5 is provided with a pulley seat 77, a small pulley 90 is arranged in the pulley seat 77, a first rope 78 is fixed on the small pulley 90, the first rope 78 penetrates through a hook 86 on the L-shaped bobbin 84, and the other end of the first rope is connected with a bolt 79 in an adjusting device arranged on the straight pipe 87.

Preferably: the sliding box 6 comprises an adjusting rod, a straight rod 73, a chassis and an arc-shaped connecting rod 56, the chassis comprises a first disc frame 64 and a second disc frame 72, the first disc frame 64 and the second disc frame 72 are both semicircular, the first disc frame 64 and the second disc frame 72 are oppositely arranged to form a circle, a first connecting groove 70 is arranged in the middle of the first disc frame 64 and the second disc frame 72, and second connecting grooves 71 are arranged at the two ends of the first connecting groove and the second connecting groove; connectors 57 are arranged at two ends of the straight rod 73 and two ends of the adjusting rod, the two straight rods 73 are respectively arranged inside the second connecting groove 71, two ends of the connector 57 at the bottom of the straight rod 73 are respectively in pin connection with the second connecting groove 71 at the end part of the first tray frame 64 and the second tray frame 72, a rotating rod 69 is arranged between the connectors 57 at the bottom of the two straight rods 73, and the rotating rod 69 is movably connected with the connectors 57; the two adjusting rods are respectively arranged at the positions of the first connecting grooves 70, and the connecting heads 57 at the bottoms of the adjusting rods are in pin connection with the first connecting grooves 70; the top of the straight rod 73 and the top of the adjusting rod are respectively connected with each other through four arc-shaped connecting rods 56 to form a circular ring shape, and two ends of each arc-shaped connecting rod 56 are respectively connected with the adjacent connecting heads 57 through pin shafts.

Preferably: two symmetrical long grooves 66 are formed in the first tray frame 64, and adjusting grooves 67 are formed in the end portions of the long grooves 66; the bottoms of the first tray frame 64 and the second tray frame 72 are provided with sliding grooves 74, sliding frames 75 are arranged inside the sliding grooves 74, and adjusting handles 65 are arranged on the sliding frames 75.

Preferably: the adjusting rod comprises an upper rod 61, a lower rod 63 and a middle rod 62, the connector 57 is respectively arranged at the ends of the upper rod 61 and the lower rod 63, the upper rod 61 and the connector 57 are in threaded connection, the middle rod 62 is arranged inside the lower rod 63 and the upper rod 61, the bottom of the middle rod 62 is located in the lower rod 63, a sliding groove 58 is formed in the side wall of the upper rod 61, the end of the sliding groove 58 is provided with a clamping groove 59, the top of the middle rod 62 is provided with an adjusting button 60, and the adjusting button 60 is connected with the clamping groove 59 in a clamped mode.

Preferably: slide box 6 comprises two load dishes and thick rope 102, two load dishes set up one on the other, connect by thick rope 102 between two load dishes, load dish includes two semicircle dishes 52 and connecting piece 55, semicircle dish 52 is latticed, semicircle dish 52 inside is equipped with straight stock 54, straight stock 54 passes semicircle dish 52, semicircle dish 52 one side is equipped with connecting pipe 53, load dish is formed by two semicircle dishes 52 relative settings to straight stock 54 on two semicircle dishes 52 sets up in the crisscross setting, connecting piece 55 sets up the both ends at connecting pipe 53 respectively, connecting pipe 53 on two semicircle dishes 52 is connected respectively at the both ends of connecting piece 55.

Description of the invention: the sliding box 6 is foldable, the control device is purely mechanical and is not used for electricity, the limiting seat 5 and the fixed seat 2 are fixed when the sliding box is used, the limiting seat 5 can be fixed on a ceiling in actual life, the fixed seat 2 is fixed on the ground and other devices, then people go into the sliding box 6, and the sliding box 6 falls down through the control device;

firstly, the sliding box 6 is placed at the edge of a window, then a person goes into the sliding box 6, pulls the pull rope 104, the strong magnet 89 is arranged between the pull rope 104 and the second rope 82, the pull rope 104 pulls the strong magnet 89 below downwards to compress the spring four 105, and the two strong magnets 89 have attraction force, so when the pull rope 104 is pulled, the second rope 82 also pulls downwards, the bolt 79 connected with the end part of the second rope 82 is pulled downwards, as shown in fig. 12, the bolt 79 is originally clamped at one side of the L-shaped wire barrel 84, when the bolt 79 is pulled by the second rope 82, the bolt 79 compresses the spring three 98 downwards, the bolt 79 does not clamp the L-shaped wire barrel 84, at the moment, because the upper end and the lower end of the L-shaped wire barrel 84 are movably connected, and the spring two 97 is arranged at one end, therefore, when the blockage of the bolt 79 is lost, the L-shaped wire barrel 84 is pulled by the spring two 97, and starts to rotate through the roller 92, as shown in fig. 10, at this time, the L-shaped wire cylinder 84 rotates to turn outside the window, and one end of the L-shaped wire cylinder 84 where the pulley three 100 is installed is farther from the pulley seat 77, so that the first rope 78 is tightened, then the first rope 78 pulls the latch 79 at the end thereof, so that the latch 79 at the end thereof is not latched to the latching groove 94 on the limiting portion 93, at this time, after the limiting portion 93 is not limited, the sliding box 6 starts to fall due to the gravity of a person, after the sliding box 6 falls for a distance, the two strong magnets 89 are separated, the lower magnet returns to the limiting pipe 103, the upper strong magnet 89 remains at the end of the second rope 82, and after the sliding box 6 is transported to rise, the two strong magnets 89 also automatically attract;

when the sliding box 6 slides downwards, the cable 4 drives the winding reel 25 to rotate and slides through the pulley I36, the pulley II 34, the pulley III 100 and the pulley V96, when the winding reel 25 rotates, the winding reel 25 drives the rotating shaft 14 to rotate, and when the cable 4 slides, due to the position relationship between the pulley I36 and the pulley II 34, the cable 4 presses the pulley I36, so that the pulley I36 presses the inner cylinder 41 backwards, the inner cylinder 41 further compresses the spring I42 to slide backwards, when the inner cylinder 41 slides backwards, the cross rod 32 at the end of the long rod 33 also pulls the brake cable 22 backwards, due to the position relationship between the brake cable 22, the brake force arm 39 and the cross rod 32, the other end of the brake cable 22 pulls the upper end of the brake force arm 39 upwards, the brake force arm 39 is arc-shaped and is movably connected with the mounting seat 38, when the upper end of the brake cable upwarps, the other end of the brake cable tends to press downwards, and the other end of the fastening sleeve 19 is fixed, therefore, a downward force is also provided for the fastening sleeve 19, as the fastening sleeve 19 is annular, when the bottom of the fastening sleeve 19 is subjected to the downward force, both sides of the fastening sleeve are bound to start to apply larger force inwards, so that the brake pads 23 on both sides press the fixed column 18, the friction force between the brake pads 23 and the fixed column 18 is increased, the rotating speed of the rotating shaft 14 is reduced, the sliding speed of the sliding box 6 also starts to be reduced, the falling speed of the sliding box 6 is controlled by the second brake device, the second brake device needs to reduce the speed of the sliding box 6 by supplying oil into the brake pump 28, and the oil supply needs a certain time gap, so that when the sliding box 6 starts to fall, the second brake device firstly plays a braking role, and the first brake device follows behind the second brake device;

the first brake device mainly works by that the oil in the oil tank 16 enters the gear pump 11 through the oil supply pipe 13 by self gravity, the end part of the rotating shaft 14 is connected with the gear pump 11 in a key mode, the rotating shaft 14 is pulled by the steel cable 4 to rotate, so that the gear pump 11 is driven to rotate, part of the oil flowing into the gear pump 11 from the oil tank 16 is supplied to the brake pump 28 through the oil inlet pipe 10, and part of the oil flows back into the oil tank 16 through the return pipe 15, after the oil is supplied to the brake pump 28, the brake pump 28 drives the brake block 29 to clamp the brake block 27, as shown in figure 3, when the brake block 27 is clamped by the brake blocks 29 on both sides, the friction force between the brake block 29 and the brake block 27 is increased, so that the deceleration effect is achieved, and the magnitude of the friction force or the rotating speed of the rotating shaft 14 is mainly controlled by controlling the return amount in the return pipe 15, so that the oil amount entering the, thereby adjusting the clamping force of the brake pump 28 self brake block 29 on the first brake block 27, and enabling the rotating shaft 14 to rotate at a constant speed;

the control of the return flow is mainly realized by a precision switch 1, a branch pipe 37 is arranged on an oil inlet pipe 10, the branch pipe 37 discharges a part of the oil in the oil inlet pipe 10 into a regulating oil tank 7, a return pipe 15 is arranged on one side of the branch pipe 37 and is connected with the regulating oil tank 7, wherein a stop valve 51 is arranged at a return hole 50, when the stop valve 51 is screwed, the stop valve 51 blocks the return hole 50, a regulating valve 81 is arranged at a branch hole 48, the regulating valve 81 is controlled by a hand-operated motor 8, firstly, a handle 9 on the hand-operated motor 8 is shaken by hands, so that a shaft of the hand-operated motor 8 drives a connecting shaft 68 to rotate, the connecting shaft 68 is in threaded connection with a rotating rod 44, a base 45 is arranged at the lower part of the rotating rod 44, therefore, the rotating rod 44 can not rotate due to the limitation of the base 45, the rotating rod 44 converts the circular motion into the linear motion, and the rotating rod 44, as shown in fig. 5, when the rotating rod 44 moves, the small roller 46 is arranged at the lower part of the base 45, the base 45 also moves along with the rotating rod 44, and then the regulating valve 81 moves, when the regulating valve 81 moves to the left, the oil amount flowing into the branch pipe 37 is gradually reduced, and the oil at the position flows into the stop valve 51 through the flow passage 49 at the end part of the regulating valve 81, and the stop valve 51 is opened during the movement of the sliding box 6, so that the oil flows into the return pipe 15 through the flow passage 49 at the end part of the stop valve 51, and therefore the regulating valve 81 is regulated to a proper position to maintain a stable return flow, so that the clamping force of the brake block 29 on the brake pump 28 to the brake block one 27 can be kept stable, and further the uniform movement of the rotating shaft 14 is ensured; when the slide case 6 falls to the ground, the stop valve 51 is closed and the return flow amount is zero, so that the oil supply amount in the brake pump 28 increases, the frictional force applied to the brake pads also increases, and the rotation of the rotary shaft 14 stops.

The control center is mechanically controlled, does not need electric energy, and can be used even under the condition of power failure;

and the slide box 6 is folded as follows:

the first embodiment is as follows:

firstly, as shown in fig. 7, the slide box 6 is formed by two load-carrying discs which are arranged up and down, the two load-carrying discs are connected by a thick rope 102 and can be hung at the end part of the steel cable 4 through a hook and the like, the load-carrying discs are composed of two semicircular discs 52, the two semicircular discs 52 are connected by a connecting piece 55, two ends of the connecting piece 55 are respectively movably connected with connecting pipes 53 at two sides, and straight long rods 54 at two sides are arranged in a crossed manner to increase the load-carrying capacity; folding, namely folding the carrying plates together, wherein the shape after folding is shown as figure 13;

example two:

as shown in fig. 8 and 9, the adjusting rod in the slide box 6 is composed of an upper rod 61, a lower rod 63 and a middle rod 62, the upper rod 61 and the connecting head 57 are connected by screw threads, the adjusting button 60 on the upper part of the middle rod 62 is clamped in the clamping slot 59, the lower part is positioned at the bottom of the lower rod 63, the middle rod 62 mainly plays a role of linking the upper rod 61 and the lower rod 63, when the slide box 6 is folded, the middle rod 62 is pushed upwards, the adjusting button 60 on the upper part of the middle rod 62 is slid into the sliding slot 58, then the upper rod 61 is rotated to separate the upper rod 61 from the connecting head 57, the upper rod 61 and the middle rod 62 can be detached, then the arc-shaped connecting rods 56 and the connecting head 57 are movably connected, therefore, the four arc-shaped connecting rods 56 can be folded, the first tray frame 64 and the second tray 72 are connected by mainly depending on the middle rotating rod 69 and the sliding slot 74 and the carriage 75, when the carriage 75 is pushed to the middle, therefore, the carriage 75 is slid to one side along the long groove 66, and the adjusting handle 65 on the carriage 75 is clamped into the adjusting groove 67, and after folding, the carriage is shown in fig. 14 and 15; in order to keep the stability of the opened first tray frame 64 and the opened second tray frame 72, rotating rods 69 are arranged on the inner sides of the first tray frame 64 and the second tray frame 72, and a rotating rod 69 is also arranged between the connecting heads 57 at the bottoms of the two straight rods 73, and the end parts of the three rotating rods 69 are movably connected with the connecting heads 57, as shown in fig. 9;

the slide box 6 in the invention is a foldable slide box 6, which can be folded for storage when not in use, thereby saving storage space.

Claims

1. A life saving equipment without electricity, its characterized in that: including lifesaving draw box and controlling means, be provided with cable wire (4) between lifesaving draw box and the controlling means, controlling means includes fixing base (2), first brake equipment, second brake equipment, precision switch (1), pivot (14) and pay off reel (3), fixing base (2) both ends are equipped with supporting seat (12), supporting seat (12) are passed respectively at pivot (14) both ends, and pivot (14) and supporting seat (12) bearing are connected, set up reel (25) on pivot (14), one side of reel (25) sets up first brake equipment, and the opposite side sets up second brake equipment, both sides set up bracing piece (26) respectively around reel (25), the top at bracing piece (26) is fixed in pay off reel (3).

2. A non-electric life saving device as claimed in claim 1, wherein: the first brake device comprises a first brake pad (27) and a brake pump (28), the center of the first brake pad (27) is fixed on the rotating shaft (14), the brake pump (28) is arranged on one side of the first brake pad (27), and brake blocks (29) of the brake pump (28) are arranged on two sides of the first brake pad (27); the one end of pivot (14) sets up gear pump (11), the key-type connection between pivot (14) and gear pump (11), gear pump (11) upper portion sets up oil tank (16), set up between oil tank (16) and gear pump (11) and supply oil pipe (13), set up between gear pump (11) and brake pump (28) and advance oil pipe (10), advance and be equipped with bleeder (37) on oil pipe (10), bleeder (37) tip and precision switch (1) are connected, be equipped with back flow (15) between precision switch (1) and the oil pump.

3. A non-electric life saving device as claimed in claim 2, wherein: the precision switch (1) comprises a connecting shaft (68), a hand-operated motor (8), a rotating rod (44), a stop valve (51) and an adjusting oil tank (7), wherein an adjusting hole (47) is formed in one side of the adjusting oil tank (7), a branch hole (48) and a return hole (50) are formed in the other side of the adjusting oil tank, the branch pipe (37) is connected with the branch hole (48), and the return pipe (15) is connected with the return hole (50); one end of the rotating rod (44) is in threaded connection with the connecting shaft (68), the connecting shaft (68) is fixedly connected with a motor shaft of the hand-operated motor (8), one end of the rotating rod (44) penetrates through the adjusting hole (47), the end part of the rotating rod is provided with an adjusting valve (81), a flow channel (49) is arranged on the adjusting valve (81), the adjusting valve (81) is positioned on one side of the branch hole (48), the lower part of the rotating rod (44) is provided with a base (45), the base (45) is in pin shaft connection with the rotating rod (44), and two sides of the bottom of the base (45) are respectively provided with a small roller (46); the side of the regulating box is provided with a termination hole (101), the termination valve (51) is in threaded connection with the termination hole (101), the end part of the termination valve (51) is provided with a flow channel (49), and the termination valve (51) is positioned at the return pipe (15).

4. A non-electric life saving device as claimed in claim 3, wherein: the second brake device comprises a second brake pad (23), a brake force arm (39) and a brake cable (22), one side of the winding reel (25) is provided with a fixed column (18), the fixed column (18) is fixed on the rotating shaft (14), a second brake pad (23) is arranged on two sides of the outer part of the fixing column (18), the second brake pad (23) is annular, a fastening sleeve (19) is arranged outside the second brake pad (23), the fastening sleeve (19) is sleeved outside the second brake pad (23), two sides of the second brake pad (23) are provided with linkage heads (24), two sides of the fastening sleeve (19) are provided with connecting pins (17), the connecting pin (17) is fixedly connected with the linkage head (24), round holes (31) are arranged at two ends of the fastening sleeve (19), a connecting rod (21) is arranged in the round hole (31), and nuts (20) are arranged at two ends of the connecting rod (21); the brake arm of force (39) are the arc, the centre of the brake arm of force (39) sets up the connecting hole, set up mount pad (38) on fixing base (2), the brake arm of force (39) are fixed on mount pad (38) through the connecting hole, round pin hub connection between connecting hole and mount pad (38), brake arm of force (39) one end welding is in the bottom of adapter sleeve (19), and brake line (22) is connected to one end.

5. The non-electric life saving device of claim 4, wherein: one end of the pay-off drum (3) is an opening, a through hole (43) is formed in the other end of the pay-off drum, an inner drum (41) is arranged inside the pay-off drum (3), a long rod (33) is arranged at one end of the inner drum (41), a fixing head (35) is arranged at the other end of the inner drum, one end of the fixing head (35) penetrates through the opening, one end of the long rod (33) penetrates through the through hole (43), a first spring (42) is arranged inside the outer drum, one end of the first spring (42) is fixed at the through hole (43), the other end of the first spring is fixed at the end of the inner drum (41), the first spring (42) is located outside the long rod (33), a cross rod (32) is arranged at; the fixed head (35) is internally provided with a first pulley (36), the first pulley (36) is connected with the fixed head (35) through a pin shaft, the upper part of the outer barrel is provided with a pulley support (40), and the pulley support (40) is internally provided with a second pulley (34).

6. The non-electric life saving device of claim 5, wherein: the lifesaving slide box comprises a slide box (6) and a limiting seat (5), an L-shaped bobbin (84) is arranged in the middle of the limiting seat (5), a plurality of hooks (86) are arranged at the lower part of the L-shaped bobbin (84), a supporting rod (76) and a supporting seat (83) are arranged in the middle of the limiting seat (5), the upper end and the lower end of the supporting seat (83) are movably connected with the limiting seat (5), one end of the L-shaped bobbin (84) is fixed on the supporting seat (83), a roller (92) is arranged at the lower part of the L-shaped bobbin (84), a second spring (97) is arranged on the supporting rod (76), and the other end of the second spring (97) is fixed on the L-shaped bobbin (84); the bottom welding of spacing seat (5) has an adjusting cylinder (80), the inside of adjusting cylinder (80) is equipped with adjusting device, adjusting device includes bolt (79) and spring three (98), be equipped with separation blade (99) on bolt (79), spring three (98) one end is fixed on separation blade (99), and the other end is fixed in the bottom of adjusting cylinder (80), spacing seat (5) are passed on bolt (79) upper portion, and the lower extreme passes the bottom of adjusting cylinder (80), the upper end card of bolt (79) is in one side of L type bobbin (84), the lower extreme of bolt (79) is equipped with rope two (82).

7. The non-electric life saving device of claim 6, wherein: an arc through groove (91) is formed in the bottom of the support (83), a pulley III (100) is arranged at one end of the L-shaped bobbin (84), a pulley V (96) is arranged at the other end of the L-shaped bobbin (84), one end of the steel cable (4) is fixed and wound on the winding reel (25), the steel cable (4) bypasses the outer portion of the pulley I (36) and the outer portion of the pulley II (34), penetrates through the arc through groove (91), enters the L-shaped bobbin (84), and bypasses the pulley V (96) and the pulley III (100); the tip of L type bobbin (84) is equipped with straight tube (87) and return bend (88), the tip of straight tube (87) is equipped with restriction portion (93), the tip of straight tube (87) is the ellipse, the cross section of restriction portion (93) lower part is the ellipse, restriction portion (93) center and restriction portion (93) fixed connection are passed in cable wire (4), the other end and the smooth case (6) of cable wire (4) are connected.

8. The non-electric life saving device of claim 7, wherein: an adjusting cylinder (80) is arranged on one side of the straight pipe (87), an adjusting device is arranged in the adjusting cylinder (80), a clamping groove (94) is formed in the limiting part (93), and the bolt (79) penetrates through the side wall of the straight pipe (87) and is clamped with the clamping groove (94); one side of return bend (88) is equipped with four (95) of pulley, couple (86) are passed in two (82) of rope, four (95) of pulley are walked around in two (82) of rope to in entering return bend (88), the bottom of two (82) of rope is equipped with two strong magnet (89), two strong magnet (89) attract each other, strong magnet (89) on the upper side are fixed in two (82) of rope bottoms, and lower strong magnet (89) bottom is equipped with stay cord (104), the outside of strong magnet (89) is equipped with spacing pipe (103), the inside of spacing pipe (103) is equipped with four (105) of spring, spacing pipe (103) are fixed on smooth case (6), the upper end fixed connection of strong magnet (89) and four (105) of spring of below, stay cord (104) are stretched out from the bottom of spacing pipe (103).

9. The non-electric life saving device of claim 8, wherein: be equipped with pulley seat (77) on spacing seat (5), be equipped with in pulley seat (77) small pulley (90), be fixed with rope (78) on small pulley (90), couple (86) on L type bobbin (84) are passed in rope (78), and bolt (79) among the adjusting device that sets up on its other end and straight tube (87) are connected.

10. A non-electric life saving device as claimed in claim 1, wherein: the sliding box (6) comprises an adjusting rod, a straight rod (73), a chassis and an arc-shaped connecting rod (56), the chassis comprises a first disc frame (64) and a second disc frame (72), the first disc frame (64) and the second disc frame (72) are both semicircular, the first disc frame (64) and the second disc frame (72) are arranged oppositely to form a circle, a first connecting groove (70) is arranged in the middle of the first disc frame (64) and the second disc frame (72), and second connecting grooves (71) are arranged at the two ends of the first disc frame (64) and the second disc frame (72); connectors (57) are arranged at two ends of the straight rod (73) and two ends of the adjusting rod, the two straight rods (73) are respectively arranged inside the second connecting groove (71), two ends of the connector (57) at the bottom of the straight rod (73) are respectively in pin connection with the first plate rack (64) and the second connecting groove (71) at the end part of the second plate rack (72), a rotating rod (69) is arranged between the connectors (57) at the bottom of the two straight rods (73), and the rotating rod (69) is movably connected with the connectors (57); the two adjusting rods are respectively arranged at the positions of the first connecting grooves (70), and the connecting heads (57) at the bottoms of the adjusting rods are connected with the first connecting grooves (70) through pin shafts; the top of the straight rod (73) and the top of the adjusting rod are respectively connected with each other through four arc-shaped connecting rods (56) to form a circular ring shape, and two ends of each arc-shaped connecting rod (56) are respectively connected with the adjacent connectors (57) through pin shafts.

11. The non-electric life saving device of claim 10, wherein: two symmetrical long grooves (66) are formed in the first tray frame (64), and adjusting grooves (67) are formed in the end portions of the long grooves (66); the bottoms of the first tray frame (64) and the second tray frame (72) are respectively provided with a sliding groove (74), a sliding frame (75) is arranged in the sliding grooves (74), and an adjusting handle (65) is arranged on the sliding frame (75).

12. The unelectrical life saving device of claim 11, characterized in that: the adjusting rod comprises an upper rod (61), a lower rod (63) and a middle rod (62), the connector (57) is respectively arranged at the end parts of the upper rod (61) and the lower rod (63), the upper rod (61) and the connector (57) are in threaded connection, the middle rod (62) is arranged inside the lower rod (63) and the upper rod (61), the bottom of the middle rod (62) is located in the lower rod (63), a sliding groove (58) is formed in the side wall of the upper rod (61), a clamping groove (59) is formed in the end part of the sliding groove (58), an adjusting button (60) is arranged at the top part of the middle rod (62), and the adjusting button (60) and the clamping groove (59) are connected in a clamping mode.

13. A non-electric life saving device as claimed in claim 1, wherein: slide box (6) comprise two load dishes and thick rope (102), two load dishes set up one on the other, connect by thick rope (102) between two load dishes, load dish includes two semicircle dishes (52) and connecting piece (55), semicircle dish (52) are latticed, semicircle dish (52) inside is equipped with straight stock (54), straight stock (54) pass semicircle dish (52), semicircle dish (52) one side is equipped with connecting pipe (53), load dish is formed by two relative settings of semicircle dish (52) to straight stock (54) crisscross setting on two semicircle dishes (52), connecting piece (55) set up respectively at the both ends of connecting pipe (53), connecting pipe (53) on two semicircle dishes (52) are connected respectively at the both ends of connecting piece (55).