CN218864915U - A prevent flying stone structure for municipal administration tunnel blasting construction - Google Patents

Abstract

The utility model discloses a prevent flying stone structure for municipal administration tunnel blasting construction, the on-line screen storage device comprises a base, the base bottom is close to the equal fixedly connected with universal wheel in four corners department, base top and bottom are close to the first bearing of the equal fixedly connected with in center department, through mutually supporting between each part, be convenient for remove the device, the flexibility of device has been increased, remove to the position of needs after, be convenient for fix the device, take place to slide when preventing to use, the stability of device has been increased, and when can preventing the tunnel engineering blasting, produce the rubble and splash the condition of easily hindering the people or producing destruction to peripheral equipment property, can remove dust simultaneously, avoid the dust to cause a large amount of pollutions to the air, the dissipation is stranded and is difficult to the unable tunnel operation's of entering of constructor short time problem, the efficiency is improved, the security of increase blasting construction has protected the construction environment effectively.

Description

A prevent flying stone structure for municipal administration tunnel blasting construction

Technical Field

The utility model relates to a tunnel construction technical field especially relates to a prevent flying stone structure for municipal tunnel blasting construction.

Background

Along with the increase of population and the development of urbanization, land resources become increasingly scarce, the requirement of human beings on the environment is higher and higher, the characteristic that the tunnel is positioned underground can effectively save land, protect the environment and enable the tunnel to become a good choice, and along with the generalization of underground space utilization, the tunnel can ensure the driving safety, shorten the driving range, avoid disasters and other advantages and also promote the tunnel construction technology to generate qualitative change;

the tunnel construction usually adopts the blasting excavation mode, and during tunnel engineering blasting, will produce rubble and splash and a large amount of dust, the rubble splashes and easily hurts people or produces the destruction to peripheral equipment property, and the dust causes a large amount of pollutions to the air, and the dissipation is stranded to be difficult to cause constructor short time can't get into the tunnel operation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, one of the purposes of the utility model is to provide a prevent flying stone structure for municipal tunnel blasting construction.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

a flyrock-proof structure for municipal tunnel blasting construction comprises a base, universal wheels are fixedly connected to the bottom of the base close to four corners, first bearings are fixedly connected to the top and the bottom of the base close to the center, threaded rods are arranged in the two first bearing inner cavities in a penetrating mode, rotating plates are fixedly connected to the top ends of the threaded rods, movable plates are arranged in the base inner cavities close to the center, first threaded holes are formed in the movable plates close to the center, the outer edges of the threaded rods penetrate through the inner cavities of the first threaded holes, the outer edges of the threaded rods are meshed with the inner cavities of the first threaded holes, movable rods are fixedly connected to the bottom of the movable plates close to the left side and the right side, through holes are formed in the bottom of the base close to the left side and the right side, a plurality of limiting holes are arranged in the base inner cavities in a penetrating mode, a plurality of first fixing nails are fixedly connected to the bottom of the first supporting plates, an arc-shaped protective plate is fixedly connected to the top of the base close to the left side and the right side, and a plurality of second supporting plates are connected with a limiting block in a penetrating mode, one end, close to the two threaded shafts, of each threaded shaft penetrates through the inner cavity of the corresponding adjacent second threaded hole and is fixedly connected with a rotary table, and the outer edges of the two threaded shafts are meshed with the inner cavities of the adjacent second threaded holes.

Further, the base top is close to the equal fixedly connected with riser in the left and right sides, two the common fixedly connected with dust removal case in riser top, the dust removal roof portion is close to central fixedly connected with water tank, the dust removal roof portion is close to the equal fixedly connected with water pump in the left and right sides, the water tank left and right sides is close to bottom department and all pegs graft jointly between the water pump with adjacent and have the connecting pipe, two the water pump bottom all pegs graft jointly with dust removal roof portion and has the outlet pipe, two the outlet pipe bottom all pegs graft and have the distributive pipe, two the distributive pipe bottom is pegged graft and is had a plurality of atomizer.

Further, dust removal case inner chamber top and bottom are close to the equal common fixedly connected with fixed plate in the left and right sides, two a plurality of ventilation hole has all been seted up on the fixed plate, two be close to the equal fixedly connected with third bearing in center department on the fixed plate, two the third bearing inner chamber all runs through and is equipped with the bull stick, two the equal fixedly connected with a plurality of blade of one end that the bull stick outside edge was kept away from mutually, two the driven bevel gear of the equal fixedly connected with of one end that the bull stick is close to mutually.

Further, dust removal incasement chamber top is close to center fixedly connected with guard box, the common fixedly connected with motor in guard box inner chamber top and bottom, motor power output shaft fixedly connected with pivot, the guard box bottom is close to center fixedly connected with fourth bearing, the fourth bearing inner chamber is run through to the pivot bottom to fixedly connected with initiative bevel gear, initiative bevel gear all sets up for intermeshing with two driven bevel gear.

Further, a plurality of round hole has all been seted up to the dust removal case left and right sides, the dust removal bottom of the case portion is close to the left and right sides and has all seted up the blowdown opening, the dust removal bottom of the case portion is close to center department and has seted up the opening of airing exhaust, dust removal incasement chamber top and bottom are close to the left and right sides and have all seted up the spout, a plurality of the equal swing joint of spout inner chamber has the draw runner, and is adjacent the common fixedly connected with dust screen in one side that the draw runner is close to mutually.

Furthermore, the top of the base is close to the left side and the right side, the bottoms of the collecting boxes are mutually attached to the top of the base, the bottoms of the collecting boxes are mutually attached to the adjacent vertical plates, the top of the base is close to the rectangular plates fixedly connected to the left side and the right side, and the rectangular plates are located between the two collecting boxes.

Furthermore, two the department of being close to the center on the rectangular plate has all seted up the perforation, two the perforation inner chamber all runs through and is equipped with the supporting rod, two the equal fixedly connected with connecting block of the one end that the supporting rod is close to mutually, two the equal fixedly connected with grip block of the one end that the supporting rod was kept away from mutually, two one side that the grip block was kept away from mutually all sets up for laminating each other between the adjacent collecting box, two common fixedly connected with centre gripping spring between the equal and adjacent rectangular plate of one side that the grip block is close to mutually, two the equal cover of centre gripping spring is established at adjacent supporting rod outside edge.

Compared with the prior art, the beneficial effects of the utility model reside in that:

through mutually supporting between each part, be convenient for remove the device, the flexibility of device has been increased, remove to the position back that needs, be convenient for fix the device, take place to slide when preventing to use, the stability of device has been increased, and can prevent when tunnel engineering explodes, the condition of producing the rubble and splashing and easily hindering the people or producing the destruction to peripheral equipment property, can remove dust simultaneously, avoid the dust to cause a large amount of pollutions to the air, the problem of the stranded constructor short time unable tunnel operation that is difficult to cause of dissipation, the efficiency of construction is improved, increase the security of blasting construction and protected construction environment effectively.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically illustrated below, and the detailed description is given in conjunction with the accompanying drawings.

Drawings

FIG. 1 is a front view of the present embodiment;

fig. 2 is a left side view of the component protection net of the embodiment;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is an enlarged view of fig. 1 at B.

In the figure: 1. a base; 2. an arc-shaped guard plate; 3. a threaded rod; 4. rotating the plate; 5. a movable plate; 6. a movable rod; 7. a first support plate; 8. a first staple; 9. a threaded shaft; 10. a turntable; 11. a second support plate; 12. a second staple; 13. a dust removal box; 14. a water tank; 15. a water pump; 16. a motor; 17. a drive bevel gear; 18. a driven bevel gear; 19. a blade; 20. a dust screen; 21. a collection box; 22. a protective net; 23. a slide bar; 24. a clamping rod; 25. connecting blocks; 26. a clamping plate; 27. the spring is clamped.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

example 1:

a flyrock-proof structure for municipal tunnel blasting construction is disclosed, as shown in figure 1, comprising a base 1, universal wheels are fixedly connected to the bottom of the base 1 near four corners, first bearings are fixedly connected to the top and bottom of the base 1 near the center, threaded rods 3 are commonly penetrated through the two first bearing inner cavities, rotating plates 4 are fixedly connected to the top ends of the threaded rods 3, movable plates 5 are arranged in the base 1 near the center, first threaded holes are formed in the movable plates 5 near the center, the outer edges of the threaded rods 3 penetrate through the inner cavities of the first threaded holes, the outer edges of the threaded rods 3 are meshed with the inner cavities of the first threaded holes, movable rods 6 are fixedly connected to the bottom of the movable plates 5 near the left and right sides, through holes are formed in the base 1 near the left and right sides, adjacent through holes are formed in the bottom of the two movable rods 6, first support plates 7 are fixedly connected to the bottom of the first support plates, arc-shaped support plates 2 are fixedly connected to the rear sides of the arc-shaped protection plates 2, and two limit plates 11 are connected to the rear sides of the base 1 near the second bearing inner cavities of the second support plates, one ends, close to each other, of the two threaded shafts 9 penetrate through the inner cavities of the adjacent second threaded holes and are fixedly connected with the rotary table 10, and the outer edges of the two threaded shafts 9 are meshed with the inner cavities of the adjacent second threaded holes;

through a plurality of universal wheel, can be convenient for remove the device, the flexibility of device has been increased, remove to the position back that needs, through rotating the board 4, drive threaded rod 3 through changeing the board 4 and rotate, drive fly leaf 5 downstream through threaded rod 3, drive two movable rods 6 downstream through fly leaf 5, drive first backup pad 7 downstream through two movable rods 6 jointly, drive the first staple 8 downstream of a plurality of through first backup pad 7, insert in the ground through a plurality of, thereby can be convenient for fix the device, through rotating two carousel 10, drive adjacent screw shaft 9 through two carousel 10 and remove, drive adjacent second backup pad 11 through two screw shafts 9 and remove to both sides, drive adjacent second staple 12 through two second backup pads 11 and remove to both sides, inject in the tunnel lateral wall through a plurality of second staple 12, thereby further fix the device, slide when preventing to use, the stability of device has been increased, when blasting, with one side of 22 facing to the direction of blasting, set up the protection network through a plurality of second staple 12, can prevent to produce the easy thing of blasting engineering circumstances of splashing and produce the peripheral circumstances of the people's equipment that splashes.

Example 2:

the top of the base 1 is fixedly connected with vertical plates close to the left and the right sides, the tops of the two vertical plates are fixedly connected with a dust removing box 13 together, the top of the dust removing box 13 is fixedly connected with a water tank 14 close to the center, the top of the dust removing box 13 is fixedly connected with water pumps 15 close to the left and the right sides, the positions of the left and the right sides of the water tank 14 close to the bottom are respectively and commonly inserted with a connecting pipe between the adjacent water pumps 15, the bottoms of the two water pumps 15 are respectively and commonly inserted with the top of the dust removing box 13 with a water outlet pipe, the bottom ends of the two water outlet pipes are respectively inserted with a water dividing pipe, the bottoms of the two water dividing pipes are inserted with a plurality of atomizing nozzles, the top and the bottom of the inner cavity of the dust removing box 13 are respectively and fixedly connected with fixed plates close to the left and the right sides together, a plurality of ventilation holes are respectively arranged on the two fixed plates, third bearings are respectively and fixedly connected with third bearings close to the center, and the inner cavities of the two third bearings are respectively penetrated with rotating rods, the end of the two rotating rods far away from the outer side edges is fixedly connected with a plurality of blades 19, the end of the two rotating rods close to each other is fixedly connected with a driven bevel gear 18, the top of the inner cavity of the dust removing box 13 close to the center is fixedly connected with a protective box, the top and the bottom of the inner cavity of the protective box are fixedly connected with a motor 16, a power output shaft of the motor 16 is fixedly connected with a rotating shaft, the bottom of the protective box close to the center is fixedly connected with a fourth bearing, the bottom end of the rotating shaft penetrates through the inner cavity of the fourth bearing and is fixedly connected with a driving bevel gear 17, the driving bevel gear 17 and the two driven bevel gears 18 are mutually meshed, the left side and the right side of the dust removing box 13 are respectively provided with a plurality of round holes, the bottom of the dust removing box 13 close to the left side and the right side are respectively provided with a sewage discharge opening, the bottom of the dust removing box 13 close to the center is provided with an air exhaust opening, and the top and the bottom of the inner cavity of the dust removing box 13 are respectively provided with a sliding groove close to the left side and right side, the inner cavities of the sliding grooves are movably connected with sliding strips 23, one side, close to each other, of each adjacent sliding strip 23 is fixedly connected with a dust screen 20, the top of the base 1 is provided with collecting boxes 21 close to the left side and the right side, the bottoms of the two collecting boxes 21 are attached to the top of the base 1, one side, far away from each collecting box 21, of each adjacent vertical plate is attached to each other, the top of the base 1 is fixedly connected with rectangular plates close to the left side and the right side, the two rectangular plates are located between the two collecting boxes 21, the positions, close to the center, of the two rectangular plates are provided with through holes, the inner cavities of the two through holes are provided with clamping rods 24 in a penetrating mode, one ends, close to each clamping rods 24, of the two clamping rods 24 are fixedly connected with connecting blocks 25, one ends, far away from each clamping rod 24, of the two clamping plates 26 are fixedly connected with clamping plates 26, one side, far away from each clamping plate 26, is attached to each adjacent collecting box 21, one side, close to each clamping plate is fixedly connected with each adjacent to each rectangular plate 27, and the edges of the two clamping springs are sleeved on the edges of the adjacent clamping rods 24;

by starting the two water pumps 15, the water in the inner cavity of the water tank 14 can be conveyed to the inner cavity of the dust removing box 13 through the two water pumps 15 and atomized and sprayed out, meanwhile, by starting the motor 16, the power output shaft of the motor 16 drives the rotating shaft to rotate, the rotating shaft drives the driving bevel gear 17 to rotate, the driving bevel gear 17 drives the two driven bevel gears 18 to rotate, the two driven bevel gears 18 drive the adjacent rotating rods to rotate, the two rotating rods drive the adjacent blades 19 to rotate, the plurality of blades 19 rotate, dust generated by blasting can be sucked into the inner cavity of the dust removing box 13 through the circular holes at the left side and the right side of the dust removing box 13, water mist sprayed out through the atomizing nozzles can adsorb the sucked dust and flow into the inner cavity of the collecting box 21 through a pollution discharge opening, avoid the dust to cause a large amount of pollutions to the air, the dissipation is stranded to be difficult to the problem that constructor short time can't get into the tunnel operation, the efficiency of construction has been improved, increase the security of blasting construction and protected the construction environment effectively, through inside side pulling two connecting blocks 25, drive adjacent supporting rod 24 and remove to the inside side through two connecting blocks 25, drive adjacent grip block 26 and remove to the inside side through two supporting rod 24, make two grip blocks 26 do not have the fixed effect of centre gripping to adjacent collecting box 21, thereby can take out two collecting boxes 21, and handle sewage, can filter the dust through two dust screens 20, can change and clear up adjacent dust screen 20 through a plurality of draw runner 23, and the operation is simple, and high convenience and rapidness.

The working principle is as follows: the utility model can be moved conveniently through a plurality of universal wheels, the flexibility of the device is increased, after the device is moved to a needed position, the rotating plate 4 is rotated, the threaded rod 3 is driven to rotate through the rotating plate 4, the movable plate 5 is driven to move downwards through the threaded rod 3, the two movable rods 6 are driven to move downwards through the movable plate 5, the first supporting plate 7 is driven to move downwards through the two movable rods 6, the first fixing nails 8 are driven to move downwards through the first supporting plate 7, and the two fixing nails are inserted into the ground through a plurality of the fixing nails, so that the device can be fixed conveniently, the two turntables 10 are rotated, the adjacent threaded shafts 9 are driven to move through the two turntables 10, the adjacent second supporting plates 11 are driven to move towards both sides through the two threaded shafts 9, the adjacent second fixing nails 12 are driven to move towards both sides through the two second supporting plates 11, the device is further fixed by inserting a plurality of second fixing nails 12 into the side wall of the tunnel, thereby preventing the device from sliding in use and increasing the stability of the device, one side of a protective net 22 is opposite to the blasting direction in blasting, the arrangement of the protective net 22 can prevent the situation that the broken stones are splashed and easily hurt people or damage peripheral equipment and properties in blasting of tunnel engineering, by starting two water pumps 15, the water in the inner cavity of a water tank 14 can be conveyed to the inner cavity of a dust removing box 13 through the two water pumps 15 and atomized and sprayed, and simultaneously by starting a motor 16, a power output shaft of the motor 16 drives a rotating shaft to rotate, a driving bevel gear 17 is driven to rotate through the rotating shaft, two driven bevel gears 18 are driven to rotate through the driving bevel gear 17, the adjacent rotating rods are driven to rotate through the two rotating rods 18, and the adjacent blades 19 are driven to rotate through the two rotating rods, rotate through a plurality of blade 19, can inhale the dust removal case 13 inner chamber through the round hole of the dust removal case 13 left and right sides with the dust that the blasting produced, can adsorb the inhaled dust through atomizer spun water smoke, and flow into collecting box 21 inner chamber through the blowdown opening, avoid the dust to cause a large amount of pollutions to the air, the dissipation is difficult to cause the unable problem that gets into the tunnel operation of constructor short time, the efficiency of construction is improved, increase blasting construction's security and protected construction environment effectively, through inside side pulling two connecting blocks 25, drive adjacent supporting rod 24 through two connecting blocks 25 and move to the inside, drive adjacent grip block 26 through two supporting rod 24 and move to the inside, make two grip block 26 do not have the fixed effect of centre gripping to adjacent collecting box 21, thereby can take out two collecting box 21, and handle sewage, can filter the dust through two dust screens 20, can change and clear up adjacent dust screen 20 through a plurality of draw runner 23, and is simple in operation, and convenient and fast.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (7)

1. The utility model provides a prevent flying stone structure for municipal tunnel blasting construction, includes base (1), its characterized in that: universal wheels are fixedly connected to the bottom of the base (1) close to the four corners, first bearings are fixedly connected to the top and the bottom of the base (1) close to the center, two first bearing inner cavities are provided with threaded rods (3) in a penetrating manner, rotating plates (4) are fixedly connected to the top ends of the threaded rods (3), movable plates (5) are arranged in the base (1) inner cavities close to the center, first threaded holes are formed in the movable plates (5) close to the center, the outer edges of the threaded rods (3) penetrate through the inner cavities of the first threaded holes, the outer edges of the threaded rods (3) are meshed with the inner cavities of the first threaded holes, movable rods (6) are fixedly connected to the bottom of the movable plates (5) close to the left side and the right side, through holes are formed in the base (1) close to the left side and the right side, two ends of the movable rods (6) penetrate through adjacent inner cavities of the through the first through holes, first supporting plates (7) are fixedly connected to the first supporting plates, a plurality of first fixing nails (8) are fixedly connected to the bottom of the first supporting plates (7) close to the left side and the right side, arc-shaped protecting plates (2) are fixedly connected to the top of the base (1), a plurality of arc-shaped protecting plates (2) are fixedly connected to the rear side of the base (2), a plurality of limiting plates are arranged at the rear side of the base (22) close to the limiting plates close to the limiting holes, and the limiting holes are formed in the top of the base (2) close to the limiting plates, the limiting rod is adjacent to a second supporting plate (11) fixedly connected with one end, far away from the center of the top of the base (1), of the limiting rod, two second supporting plates (11) are fixedly connected with a plurality of second fixing nails (12) on one sides, far away from the center, of the second supporting plates (11), two second bearings are fixedly connected with second bearings on one sides, close to the center, of the second supporting plates (11), threaded shafts (9) are all inserted into inner cavities of the second bearings, second threaded holes are formed in the positions, close to the bottom, of the left side and the right side of the arc-shaped protection plate (2), two second threaded holes are formed in the positions, close to the bottom, of the threaded shafts (9), one ends of the outer edges of the threaded shafts (9) penetrate through the inner cavities of the adjacent second threaded holes, and the outer edges of the threaded shafts (9) are meshed with the inner cavities of the adjacent second threaded holes.

2. The flyrock prevention structure for municipal tunnel blasting construction according to claim 1, wherein: base (1) top is close to the equal fixedly connected with riser in the left and right sides, two the common fixedly connected with dust removal case (13) in riser top, dust removal case (13) top is close to central department fixedly connected with water tank (14), dust removal case (13) top is close to the equal fixedly connected with water pump (15) in the left and right sides, the water tank (14) left and right sides is close to bottom department and all pegs graft jointly between adjacent water pump (15) and has the connecting pipe, two water pump (15) bottom all pegs graft jointly with dust removal case (13) top has the outlet pipe, two the outlet pipe bottom has all pegged graft and has the distributive pipe, two the distributive pipe bottom is pegged graft and has a plurality of atomizer.

3. The flyrock prevention structure for municipal tunnel blasting construction according to claim 2, wherein: dust removal case (13) inner chamber top and bottom are close to the equal common fixedly connected with fixed plate in the left and right sides, two a plurality of ventilation hole has all been seted up on the fixed plate, two be close to the equal fixedly connected with third bearing of center department on the fixed plate, two the third bearing inner chamber all runs through and is equipped with the bull stick, two the equal fixedly connected with a plurality of blade (19) of one end that the bull stick outside edge was kept away from mutually, two the driven bevel gear (18) of the equal fixedly connected with of one end that the bull stick is close to mutually.

4. The flyrock prevention structure for municipal tunnel blasting construction according to claim 3, wherein: dust removal case (13) inner chamber top is close to center fixedly connected with guard box, the common fixedly connected with motor (16) in guard box inner chamber top and bottom, motor (16) power output shaft fixedly connected with pivot, the guard box bottom is close to center fixedly connected with fourth bearing of department, the fourth bearing inner chamber is run through to the pivot bottom to fixedly connected with initiative bevel gear (17), initiative bevel gear (17) all set up for intermeshing with two driven bevel gear (18).

5. The flyrock prevention structure for municipal tunnel blasting construction according to claim 2, wherein: a plurality of round hole has all been seted up to dust removal case (13) the left and right sides, the blowdown opening has all been seted up near the left and right sides to dust removal case (13) bottom, dust removal case (13) bottom is close to center department and has seted up the opening of airing exhaust, the spout has all been seted up near the left and right sides to dust removal case (13) inner chamber top and bottom, a plurality of the equal swing joint of spout inner chamber has draw runner (23), and is adjacent the common fixedly connected with dust screen (20) in one side that draw runner (23) are close to mutually.

6. The flyrock prevention structure for municipal tunnel blasting construction according to claim 1, wherein: the base (1) top is close to the left and right sides and all has collecting box (21), two collecting box (21) bottom all sets up for laminating each other with base (1) top, two one side that collecting box (21) kept away from mutually all sets up for laminating each other with between the adjacent riser, base (1) top is close to the equal fixedly connected with rectangular plate in left and right sides, two the rectangular plate all is located between two collecting box (21).

7. The flyrock prevention structure for municipal tunnel blasting construction according to claim 6, wherein: two be close to center department on the rectangular plate and all seted up the perforation, two the perforation inner chamber all runs through and is equipped with supporting rod (24), two the equal fixedly connected with connecting block (25) of one end that supporting rod (24) are close to mutually, two the equal fixedly connected with grip block (26) of one end that supporting rod (24) were kept away from mutually, two one side that grip block (26) were kept away from mutually all with adjacent collecting box (21) between set up for laminating each other, two common fixedly connected with clamping spring (27), two between the equal and adjacent rectangular plate of one side that grip block (26) are close to mutually the clamping spring (27) all overlap and establish adjacent supporting rod (24) outside edge.

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