CN107060342B - A kind of secure localization adjustment device for concreting vehicle hose - Google Patents

A kind of secure localization adjustment device for concreting vehicle hose Download PDF

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Publication number
CN107060342B
CN107060342B CN201710346605.XA CN201710346605A CN107060342B CN 107060342 B CN107060342 B CN 107060342B CN 201710346605 A CN201710346605 A CN 201710346605A CN 107060342 B CN107060342 B CN 107060342B
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China
Prior art keywords
hose
ring
movable pulley
fixed
connecting shaft
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CN201710346605.XA
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CN107060342A (en
Inventor
汪浩
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Boao Zongheng Network Technology Co ltd
Wuhan Shengda Changqing Building Material Co ltd
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Wuhan Grand Evergreen Building Materials Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04Devices for both conveying and distributing
    • E04G21/0418Devices for both conveying and distributing with distribution hose
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04Devices for both conveying and distributing
    • E04G21/0418Devices for both conveying and distributing with distribution hose
    • E04G21/0445Devices for both conveying and distributing with distribution hose with booms

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a kind of secure localizations for concreting vehicle hose to adjust device, belongs to secure localization adjustment field.A kind of secure localization adjustment device for concreting vehicle hose, including fixed retaining ring, positioning operation ring, hose lantern ring and all-position safety band.It may be implemented that positioning operation ring is located at around hose by fixed retaining ring and connecting rod, operator controls winding wheel and passes through corresponding draught line, movable pulley and fixed pulley pull hose lantern ring, and fixed pulley is fixed on positioning operation ring, it is mobile that Hose Jacket annulus moves hose, it operates relatively labor-saving, it effectively prevent operation error, it makes a misstep and happens, ensure the occurrences in human life safety of operator, operator effectively prevents unexpected generation by all-position safety band and the safety rope being mounted in fixed retaining ring, it is convenient for the body of stable operation person under the action of the second magnet on the first magnet and all-position safety band in operating stick simultaneously, further prevent unexpected generation.

Description

A kind of secure localization adjustment device for concreting vehicle hose
Technical field
The present invention relates to secure localizations to adjust field, more specifically to a kind of for concreting vehicle hose Secure localization adjusts device.
Background technique
Concreting vehicle is the special-purpose machinery of delivering concrete, it is furnished with special pipeline, can be by concrete along pipe Road is transported to the scene of pouring, and coagulation pours that vehicle is widely used in road engineering, science of bridge building, underground engineering, industry are built with civilian Build the every field such as construction.
Concreting vehicle delivery pipe is provided with hose at concrete outlet, for erecting guiding to pouring for concrete Effect.During concrete pumping equipment carries out concrete pouring construction, it is typically necessary at end hose and arranges behaviour Work person carries out auxiliary positioning adjustment operation to hose, but is mostly realized by directly gripping end hose when operator's operation, The swing of end hose can apply certain active force to the arm of soft work person, and operator directly operates relatively elaborate, hardly possible with hand To operate positioning, in addition operator's operation is relatively elaborate easily there is operation error, makes a misstep and happen, high-building construction very Hazard to person may be caused to it.
Summary of the invention
1. technical problems to be solved
It is directly operated with hand for operator existing in the prior art relatively elaborate, it is difficult to which operation positioning is built in high level It builds construction to be likely to cause it hazard to person problem, the purpose of the present invention is to provide one kind to be used for concreting vehicle hose Secure localization adjust device, it may be implemented operator operation it is relatively labor-saving, convenient for operation positioning, effectively prevent personal danger Evil.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of secure localization for concreting vehicle hose adjusts device, including fixed retaining ring, positioning operation ring, Hose lantern ring and all-position safety band, the positioning operation ring are connected by connecting rod with fixed retaining ring, the fixed locking Ring is locked on vehicle frame arm by clamping screw fixation, and the Hose Jacket ring set connects hose, and surrounding connects on the outside of the hose lantern ring It is connected to the first movable pulley, the second movable pulley, third movable pulley and the 4th movable pulley, is fixedly connected with behaviour on the positioning operation ring Make bar, the first winding wheel, the second winding wheel, third winding wheel and the 4th winding wheel, the positioning are connected in the operating stick It is fixedly connected with the first connecting shaft, the second connecting shaft and third connecting shaft on operation ring, is rotatablely connected in first connecting shaft There is the first fixed pulley corresponding with the first movable pulley, first connecting shaft upper end is fixedly connected with the first traction rope, and described The one end of one traction rope far from the first connecting shaft successively bypasses the first movable pulley and the first fixed pulley and is intertwined and connected and twines first On wheel, the second fixed pulley corresponding with the second movable pulley, second connecting shaft are rotatably connected in second connecting shaft Upper end is fixedly connected with the second traction rope, and the described one end of second traction rope far from the second connecting shaft successively bypasses the second movable pulley With the second fixed pulley and be intertwined and connected on the second winding wheel, be rotatably connected in the third connecting shaft and third movable pulley pair The third fixed pulley answered, third connecting shaft upper end are fixedly connected with third traction rope, and the third traction rope is far from third One end of connecting shaft successively bypasses third movable pulley and third fixed pulley and is intertwined and connected on third winding wheel, the operating stick Side close to the 4th movable pulley is fixedly connected with the 4th draught line, and side of the 4th draught line far from operating stick is around the Four movable pulleys are simultaneously intertwined and connected on the 4th winding wheel, and the first magnet, the all-position safety band are connected in the operating stick Front side is connected with the second magnet corresponding with the first magnet, is connected with runner by shaft in the fixed retaining ring, and described turn Being intertwined and connected on wheel has safety rope, and the safety rope is connected with safety collar far from one end of runner, on the all-position safety band It is connected with safety door hook corresponding with safety collar, positioning operation ring is located at around hose by fixed retaining ring and connecting rod, is grasped Make multiple winding wheels in personnel's rotation operating stick, winding wheel pulls hose by corresponding draught line, movable pulley and fixed pulley Lantern ring, and fixed pulley is fixed on positioning operation ring, Hose Jacket annulus moves hose movement, so that the outlet end of hose is mobile fixed Position adjustment directly operates hose with hand without operator, operates relatively labor-saving, effectively prevent operation error, makes a misstep and happen, Ensure the occurrences in human life safety of operator, operator has by all-position safety band and the safety rope being mounted in fixed retaining ring Effect prevents unexpected generation, while under the action of the second magnet on the first magnet and all-position safety band in operating stick just In the body of stable operation person, unexpected generation is further prevented.
Preferably, fixing sleeve is connected to iron hoop on the hose, and the Hose Jacket ring is socketed on iron hoop, and in hose lantern ring Side is fixedly connected with magnet, connects on hose under the action of magnet and iron hoop convenient for hose lantern ring stabilizer.
Preferably, electromagnet is fixedly connected on the vehicle frame arm, and electromagnet offsets with fixed retaining ring, electromagnet exists There is very ferromagnetism in the case where energization, fixed retaining ring can tightly be sucked, it is ensured that the stability of device.
Preferably, the quantity of the electromagnet is 2, and two electromagnet are located at side before and after vehicle frame arm, two Fixed retaining ring is tightly sucked simultaneously in electromagnet, further improves device stability.
Preferably, the first guided rings, the second guided rings, third guided rings and the 4th are connected on the positioning operation bar to draw Lead ring, first traction rope are interspersed in the first guided rings, and second traction rope is successively interspersed in the second guided rings and the 4th Guided rings, the third traction rope is interspersed in third guided rings, under the action of guided rings, winds traction rope convenient for winding wheel.
Preferably, energetically power spring is socketed in the shaft, and strength power both ends of the spring is connected to runner and fixing lock On tight ring, pull safety rope Shi Jingli spring that there is certain cushion performance, it is ensured that when fortuitous event occurs, safety rope has Security performance prevents the person from causing damages.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) this programme passes through fixed retaining ring and positioning operation ring is located at around hose by connecting rod, operator's rotation Multiple winding wheels in operating stick, winding wheel pull hose lantern ring by corresponding draught line, movable pulley and fixed pulley, depending on it is sliding Wheel is fixed on positioning operation ring, and Hose Jacket annulus moves hose movement and is not necessarily to so that the outlet end running fix of hose be adjusted Operator directly operates hose with hand, operates relatively labor-saving, effectively prevent operation error, makes a misstep and happen, it is ensured that operator The occurrences in human life safety of member, operator effectively prevent from anticipating by all-position safety band and the safety rope being mounted in fixed retaining ring Outer generation, while being convenient for stable operation under the action of the second magnet on the first magnet and all-position safety band in operating stick The body of member, further prevents unexpected generation.
(2) it is connect on hose under the action of magnet and iron hoop convenient for hose lantern ring stabilizer.
(3) electromagnet has very ferromagnetism in the case where energization, fixed retaining ring can tightly be sucked, it is ensured that device Stability.
Fixed retaining ring is tightly sucked simultaneously in (4) two electromagnet, further improves device stability.
(5) under the action of guided rings, traction rope is wound convenient for winding wheel.
(6) pull safety rope Shi Jingli spring that there is certain cushion performance, it is ensured that when fortuitous event occurs, safety rope With security performance, prevent the person from causing damages.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram in Fig. 1 at A;
Fig. 3 is the structural schematic diagram in Fig. 1 at B;
Fig. 4 is the structural schematic diagram in Fig. 3 at C.
Figure label explanation:
1 connecting rod, 2 second magnet, 3 all-position safety bands, 4 safety door hooks, 5 safety collars, 6 safety ropes, 7 hoses, 8 fixing locks Tight ring, 9 vehicle frame arms, 10 second traction ropes, 11 second connecting shafts, 12 second fixed pulleys, 13 clamping screws, 14 third traction ropes, 15 second guided rings, 16 third connecting shafts, 17 third fixed pulleys, 18 positioning operation rings, 19 third guided rings, 20 the 4th guidance Ring, 21 third winding wheels, 22 second winding wheels, 23 first magnet, 24 operating sticks, 25 first winding wheels, 26 the 4th winding wheels, 27 First guided rings, 28 the 4th traction ropes, 29 first traction ropes, 30 first fixed pulleys, 31 first connecting shafts, 32 first movable pulleys, 33 iron hoops, 34 magnets, 35 the 4th movable pulleys, 36 third movable pulleys, 37 second movable pulleys, 38 shafts, 39 strength power springs, 40 turns Wheel, 41 electromagnet, 42 hose lantern rings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention;Technical solution in the embodiment of the present invention carries out clear, complete Site preparation description;Obviously;Described embodiments are only a part of the embodiments of the present invention;Instead of all the embodiments.It is based on Embodiment in the present invention;It is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment;It shall fall within the protection scope of the present invention.
Embodiment 1:
Please refer to Fig. 1-4, a kind of secure localization adjustment device for concreting vehicle hose, including fixed retaining ring 8, positioning operation ring 18, hose lantern ring 42 and all-position safety band 3, positioning operation ring 18 pass through connecting rod 1 and fixed retaining ring 8 It is connected, fixed retaining ring 8 is locked on vehicle frame arm 9 by the fixation of clamping screw 13, and hose lantern ring 42 is socketed hose 7, Hose Jacket 42 outside surrounding of ring is connected with the first movable pulley 32, the second movable pulley 37, third movable pulley 36 and the 4th movable pulley 35, positional operand Make to be fixedly connected with operating stick 24 on ring 18, the first winding wheel 25, the second winding wheel 22, third winding are connected in operating stick 24 Wheel 21 and the 4th winding wheel 26 are fixedly connected with the first connecting shaft 31, the second connecting shaft 11 and third on positioning operation ring 18 and connect Spindle 16 is rotatably connected to first fixed pulley 30 corresponding with the first movable pulley 32, the first connecting shaft 31 in first connecting shaft 31 Upper end is fixedly connected with the first traction rope 29, and the first traction rope 29 successively bypasses the first dynamic cunning far from one end of the first connecting shaft 31 Wheel 32 and the first fixed pulley 30 are simultaneously intertwined and connected on the first winding wheel 25, are rotatably connected in the second connecting shaft 11 and move with second Corresponding second fixed pulley 12 of pulley 37,11 upper end of the second connecting shaft are fixedly connected with the second traction rope 10, the second traction rope 10 One end far from the second connecting shaft 11 successively bypasses the second movable pulley 37 and the second fixed pulley 12 and is intertwined and connected in the second winding On wheel 22, third fixed pulley 17 corresponding with third movable pulley 36, third connecting shaft 16 are rotatably connected in third connecting shaft 16 Upper end is fixedly connected with third traction rope 14, and the one end of third traction rope 14 far from third connecting shaft 16 successively bypasses the dynamic cunning of third Wheel 36 and third fixed pulley 17 are simultaneously intertwined and connected on third winding wheel 21, and operating stick 24 is solid close to the side of the 4th movable pulley 35 Surely it is connected with the 4th draught line 28, side of the 4th draught line 28 far from operating stick 24 is around the 4th movable pulley 35 and is intertwined and connected On the 4th winding wheel 26, operator observes the position that 7 outlet end of hose needs to position, and passes through the swing handle in operating stick 24 Corresponding winding wheel is rotated, winding wheel winds traction rope, and traction rope pulls hose lantern ring under the action of fixed pulley and movable pulley 42, it operates relatively labor-saving, 42 four directions of hose lantern ring is all connected with movable pulley, thus by pulling rotation one or more to twine Hose lantern ring 42 can be drawn to the position for needing to position around wheel, directly operated without operator with hand, the swing of hose 7 is not Active force directly can be applied to operator's arm, but be transformed into the rotatory force on winding wheel, operator controls winding wheel and compares It is convenient, and active force is effectively reduced under the action of movable pulley, operator is convenient for control.
It is connected with the first magnet 23 in operating stick 24, is connected on front side of all-position safety band 3 corresponding with the first magnet 23 Second magnet 2 is fixed in retaining ring 8 and is connected with runner 40 by shaft 38, and being intertwined and connected on runner 40 has safety rope 6, safety 6 one end far from runner 40 of rope are connected with safety collar 5, and safety door hook 4 corresponding with safety collar 5 is connected on all-position safety band 3, Positioning operation ring 18 is located at around hose by fixed retaining ring 8 and connecting rod 1, operator rotates more in operating stick 24 A winding wheel, winding wheel pulls hose lantern ring 42 by corresponding draught line, movable pulley and fixed pulley, and fixed pulley is fixed on and determines On bit manipulation ring 18, hose lantern ring 42 drives hose 7 mobile, to the outlet end running fix of hose 7 be adjusted, without operation Member directly operate hose 7 with hand, and operation is relatively labor-saving, effectively prevent operation error, makes a misstep and happen, it is ensured that operator's Occurrences in human life safety, operator effectively prevent from anticipating by all-position safety band 3 and the safety rope 6 being mounted in fixed retaining ring 8 Outer generation, while convenient for steady under the action of the first magnet 23 in operating stick 24 and the second magnet 2 on all-position safety band 3 The body for determining operator further prevents unexpected generation.
Fixing sleeve is connected to iron hoop 33 on hose 7, and hose lantern ring 42 is socketed on iron hoop 33, and fixed on the inside of hose lantern ring 42 It is connected with magnet 34, is stablized on socket hose under the action of magnet 34 and iron hoop 33 convenient for hose lantern ring 42, vehicle frame arm 9 On be fixedly connected with electromagnet 41, and electromagnet 41 offsets with fixed retaining ring 8, and electromagnet 41 has very in the case where energization Fixed retaining ring 8 can be tightly sucked in ferromagnetism, it is ensured that the stability of device, the quantity of electromagnet 41 are 2, two electromagnetism Iron 41 is located at 9 front and back side of vehicle frame arm, and two electromagnet 41 are tightly sucked fixed retaining ring 8 simultaneously, further improve dress Stability is set, the first guided rings 27, the second guided rings 15, third guided rings 19 and the 4th guidance are connected on positioning operation bar 18 Ring 20, the first traction rope 29 are interspersed in the first guided rings 27, and the second traction rope 10 is successively interspersed in the second guided rings 15 and the 4th Guided rings 20, third traction rope 14 is interspersed in third guided rings 19, under the action of guided rings, convenient for winding wheel winding traction It restricts, energetically power spring 39 is socketed in shaft 38, and 39 both ends of strength power spring are connected on runner 40 and fixed retaining ring 8, Pull 6 Shi Jingli spring 39 of safety rope that there is certain cushion performance, it is ensured that when fortuitous event occurs, safety rope 6 has peace Full performance, prevents the person from causing damages.
Working principle: before carrying out building and pouring, fixed retaining ring 8 is locked at vehicle frame arm by the fixation of clamping screw 13 On 9, while ensuring that positioning operation ring 18 is located at around hose 7, by 42 sets of hose lantern ring on hose 7, so that hose lantern ring 42 On magnet 34 inhale on iron hoop 33, pull hose 7 convenient for hose lantern ring 42, when pouring, it is mobile to pour vehicle control vehicle frame arm 9 To needing to pour, operator puts on all-position safety band 3 close to pouring location, and by the safety door hook 4 on all-position safety band 3 It hangs on the safety collar 5 of safety rope 6, all-position safety band 3 and safety rope 6 effectively ensure the safety of operator, operation Personnel make the second magnet 2 on all-position safety band 3 inhale the first magnet 23 in operating stick 24 close to operating stick 24 On, the stability of operator is further ensured by attracting each other for magnet, is operated safer, operator's observation 7 outlet end of hose needs the position positioned, rotates corresponding winding wheel, winding wheel winding by the swing handle in operating stick 24 Traction rope, traction rope pull hose lantern ring 42 under the action of fixed pulley and movable pulley, operate relatively labor-saving, hose lantern ring 42 four directions are all connected with movable pulley, to be needed by pulling the one or more winding wheels of rotation that can be drawn to hose lantern ring 42 The position to be positioned directly is operated without operator with hand, and the swing of hose 7 will not directly act on operator's arm application Power, but it is transformed into the rotatory force on winding wheel, operator controls winding wheel and is easier, and under the action of movable pulley effectively Reduce active force, operator is further convenient for controlling, and effectively prevent operation error, makes a misstep and happen, it is ensured that operator The occurrences in human life safety of member.
It is described above;It is merely preferred embodiments of the present invention;But scope of protection of the present invention is not limited thereto; Anyone skilled in the art is in the technical scope disclosed by the present invention;According to the technique and scheme of the present invention and its It improves design and is subject to equivalent substitution or change;It should be covered by the scope of protection of the present invention.

Claims (6)

1. a kind of secure localization for concreting vehicle hose adjusts device, it is characterised in that: including fixed retaining ring (8), positioning operation ring (18), hose lantern ring (42) and all-position safety band (3), the positioning operation ring (18) pass through connecting rod (1) it is connected with fixed retaining ring (8), the fixed retaining ring (8) is locked at vehicle frame arm (9) by clamping screw (13) fixation On, the hose lantern ring (42) is socketed hose (7), on the outside of the hose lantern ring (42) surrounding be connected with the first movable pulley (32), Second movable pulley (37), third movable pulley (36) and the 4th movable pulley (35) are fixedly connected on the positioning operation ring (18) Operating stick (24) is connected with the first winding wheel (25), the second winding wheel (22), third winding wheel (21) on the operating stick (24) With the 4th winding wheel (26), the first connecting shaft (31), the second connecting shaft (11) are fixedly connected on the positioning operation ring (18) With third connecting shaft (16), it is fixed sliding that corresponding with the first movable pulley (32) first is rotatably connected on first connecting shaft (31) It takes turns (30), the first connecting shaft (31) upper end is fixedly connected with the first traction rope (29), and first traction rope (29) is separate One end of first connecting shaft (31) successively bypasses the first movable pulley (32) and the first fixed pulley (30) and is intertwined and connected and twines first On wheel (25), the second fixed pulley corresponding with the second movable pulley (37) is rotatably connected on second connecting shaft (11) (12), the second connecting shaft (11) upper end is fixedly connected with the second traction rope (10), and second traction rope (10) is far from the One end of two connecting shafts (11) successively bypasses the second movable pulley (37) and the second fixed pulley (12) and is intertwined and connected in the second winding It takes turns on (22), third fixed pulley (17) corresponding with third movable pulley (36) is rotatably connected on the third connecting shaft (16), Third connecting shaft (16) upper end is fixedly connected with third traction rope (14), and the third traction rope (14) connects far from third One end of axis (16) successively bypasses third movable pulley (36) and third fixed pulley (17) and is intertwined and connected in third winding wheel (21) On, the operating stick (24) is fixedly connected with the 4th draught line (28) close to the side of the 4th movable pulley (35), and the described 4th leads Side of the lead (28) far from operating stick (24) is around the 4th movable pulley (35) and is intertwined and connected on the 4th winding wheel (26), institute It states and is connected on operating stick (24) the first magnet (23), is connected with and the first magnet (23) on front side of the all-position safety band (3) Corresponding second magnet (2) is connected with runner (40) on the fixed retaining ring (8), the runner (40) by shaft (38) On be intertwined and connected and have safety rope (6), the safety rope (6) is connected with safety collar (5) far from the one end of runner (40), the full side Safety door hook (4) corresponding with safety collar (5) is connected on position safety belt (3).
2. a kind of secure localization for concreting vehicle hose according to claim 1 adjusts device, feature exists In: fixing sleeve is connected to iron hoop (33) on the hose (7), and the hose lantern ring (42) is socketed on iron hoop (33), and Hose Jacket Magnet (34) are fixedly connected on the inside of ring (42).
3. a kind of secure localization for concreting vehicle hose according to claim 1 adjusts device, feature exists In: it is fixedly connected with electromagnet (41) on the vehicle frame arm (9), and electromagnet (41) offsets with fixed retaining ring (8).
4. a kind of secure localization for concreting vehicle hose according to claim 3 adjusts device, feature exists In: the quantity of the electromagnet (41) is 2, and two electromagnet (41) are located at side before and after vehicle frame arm (9).
5. a kind of secure localization for concreting vehicle hose according to claim 1 adjusts device, feature exists In: the first guided rings (27), the second guided rings (15), third guided rings (19) and are connected on the positioning operation bar (18) Four guided rings (20), first traction rope (29) are interspersed in the first guided rings (27), and second traction rope (10) is successively worn The second guided rings (15) and the 4th guided rings (20) are inserted in, the third traction rope (14) is interspersed in third guided rings (19).
6. a kind of secure localization for concreting vehicle hose according to claim 1 adjusts device, feature exists In: energetically power spring (39) are socketed on the shaft (38), and strength power spring (39) both ends are connected to runner (40) and consolidate Determine on retaining ring (8).
CN201710346605.XA 2017-05-17 2017-05-17 A kind of secure localization adjustment device for concreting vehicle hose Active CN107060342B (en)

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Application Number Priority Date Filing Date Title
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CN109972843A (en) * 2019-04-19 2019-07-05 长沙赛搏机器智能有限公司 Arm support tail end hose control device, concrete pouring robot and concrete pumping equipment
CN110397281A (en) * 2019-06-24 2019-11-01 山东日建建设集团有限公司 Construction matrix form concrete placing installation and its method
CN110747858A (en) * 2019-10-30 2020-02-04 中国铁建重工集团股份有限公司 Concrete pouring equipment
CN110939272B (en) * 2019-12-16 2021-06-15 安徽德茂建设工程有限公司 A concrete is carried and is used traction positioning device for construction

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