CN219637703U - Movable tensioning trolley - Google Patents

Movable tensioning trolley Download PDF

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Publication number
CN219637703U
CN219637703U CN202320394151.4U CN202320394151U CN219637703U CN 219637703 U CN219637703 U CN 219637703U CN 202320394151 U CN202320394151 U CN 202320394151U CN 219637703 U CN219637703 U CN 219637703U
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CN
China
Prior art keywords
steel
tensioning
frame
transverse
chassis
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Active
Application number
CN202320394151.4U
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Chinese (zh)
Inventor
章哲明
宋心琳
熊巍
李明起
聂浩
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Jiangxi Communications Engineering Group Construction Co ltd
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Jiangxi Communications Engineering Group Construction Co ltd
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Priority to CN202320394151.4U priority Critical patent/CN219637703U/en
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Abstract

The utility model discloses a movable tensioning trolley, which comprises a awning, a lifting structure, a supporting structure and a chassis, wherein: the awning consists of a herringbone framework and a panel, and the lifting structure consists of transverse moving I-steel, longitudinal moving I-steel, a longitudinal moving hand-push monorail crane, an electric chain hoist and a transverse moving hand-push monorail crane; the supporting structure consists of a steel truss, a safety baffle and an inclined support; the chassis consists of wheels, a turntable, a frame, a pacifier and a storage platform. The lifting structure can easily realize the upward and downward, left and right, forward and backward multidirectional movement of the tensioning jack and the oil pump, and can be operated by a single person; the trolley can integrate functions of tensioning, lifting and enclosing onto the trolley, so that the overall movement of the loading tensioning jack and the oil pump, the adjustment of the vertical, horizontal, front and rear positions of the self-contained safety baffle and the self-contained lifting structure matched with the tensioning jack and the tensioning construction are realized; the utility model has the advantages of simple structure, complete functions, easy processing and convenient operation, saves labor, improves work efficiency and ensures safety.

Description

Movable tensioning trolley
Technical Field
The utility model relates to the field of prestress construction, in particular to a movable tensioning trolley.
Background
In the prefabrication process of the large-span prestressed concrete bridge, the beam crossing, tensioning and grouting processes of the high-position pore canal are difficult to operate during the prestress construction due to the large span of the bridge and the high beam body, and particularly in the tensioning process, a safety baffle is required to be mounted at the beam end in advance to form a surrounding barrier, and then the tensioning jack with large weight is lifted to the position of the pore canal opening and is matched with an oil pump to carry out tensioning operation. In the past, long-arm levers have been used to hoist tensioning jacks on top of beams, with manual cooperation of movement and weight. The method needs to arrange at least 2 persons on the roof of the beam to work cooperatively, thereby increasing the labor cost; when one beam is stretched, the stretching jack, the oil pump, the safety baffle and the long arm lever are required to be moved to the position of the other beam, and under the condition that no forklift is matched, the stretching jack, the oil pump, the safety baffle and the long arm lever are very difficult to move, and time and labor are wasted.
Disclosure of Invention
The utility model aims to provide a movable tensioning trolley, which can integrate functions of tensioning, lifting and enclosing onto the trolley to realize the integral movement of a loading tensioning jack and an oil pump, and is provided with a safety baffle and a lifting structure to cooperate with lifting and tensioning construction, a long-arm lever is not required to be mounted on a beam top, and a fork truck is not required to be additionally arranged to cooperate with a transferring tensioning jack, the oil pump, the safety baffle and the long-arm lever; the trolley only needs one person to operate, so that not only is the labor saved, but also the work efficiency is improved, and the safety is ensured.
The purpose of the utility model is realized in the following way:
a movable tensioning trolley is characterized in that: including hoisting structure, bearing structure and chassis, wherein:
the hoisting structure consists of a longitudinal moving I-steel, two transverse moving I-steel, two sets of transverse moving push monorail traveling cranes, an electric chain hoist and a set of longitudinal moving push monorail traveling cranes, wherein the front end and the rear end of the upper surface of the two longitudinal lengthening cross bars of the supporting structure are respectively fixed with the transverse moving I-steel, the upper surfaces of the two sets of transverse moving push monorail traveling cranes are respectively arranged on the lower flanges of the two transverse moving I-steel, the rear end and the middle part of the upper flanges of the longitudinal moving I-steel are respectively fixed below the two sets of transverse moving push monorail traveling cranes, and the front end of the longitudinal moving I-steel is a cantilever end; a set of longitudinal movement hand-push monorail travelling crane is arranged on the lower flange of the longitudinal movement I-steel, and an electric chain hoist is hung below the longitudinal movement hand-push monorail travelling crane to realize the longitudinal movement of the electric chain hoist; the whole of the longitudinally moving I-steel and the electric chain hoist can realize transverse movement along with the movement of two sets of transversely moving push monorail travelling cranes;
the supporting structure consists of a steel truss, a safety baffle and an inclined support, wherein the steel truss consists of vertical rods, cross rods and inclined rods, and the lower ends of four vertical rods which are arranged in a rectangular shape are fixed on a frame of the chassis; the transverse rods and the inclined rods are fixed on the inner sides of two vertical rods adjacent to the left side, the right side and the back side to form a continuous triangular stable structure; three vertical steel trusses form a groove section with a frontward opening and opposite to a tensioning working surface; a safety baffle is fixed on the outer side of the vertical steel truss opposite to the opening and is used for guaranteeing the safety of other operators in the tensioning area; according to the requirement of the working height, a temporary operation platform is erected on the corresponding cross bars of the left steel truss and the right steel truss by using a thick wood plate; the upper end of the inclined support is fixed at the upper half part of the steel truss, and the lower end of the inclined support is fixed at the right end of the frame of the chassis, so that the steel truss, the chassis and the inclined support form a stable triangle structure; the two lengthened cross bars are respectively fixed at the top ends of two vertical rods of the left steel truss and the right steel truss and are used for installing transverse-moving I-steel of the hoisting structure;
the chassis comprises four wheels, a carousel, frame, pacifying hand and storing platform, installs two wheels respectively at the both ends of left side axle and right axle, installs the left end of frame above the wheel of left side axle, installs the lower half of carousel above the centre of right side axle, and the upper half of carousel is installed in the middle bottom of the right-hand member of frame, namely: the right shaft is arranged below the right end of the frame through a turntable; the wheels of the right axle are connected with the turntable, and the turntable is connected with the right end of the frame through U-shaped bolts; the two ends of the left side of the pacifier of the U-shaped structure are respectively connected with two wheels of the right shaft; the frame is fully paved with wood boards to form a storage platform for loading the tensioning jack and the oil pump.
The utility model also comprises a awning which consists of a herringbone framework and a panel, wherein the herringbone framework is fixed on the transverse H-shaped steel of the lifting structure, and the panel is connected with the herringbone framework by adopting U-shaped bolts; the awning has the function of protecting the lifting structure from being corroded by rainwater, and ensuring smooth operation of the lifting structure.
The herringbone framework is welded into a triangular structure by adopting common steel pipes, and the panel adopts color steel tiles.
The overhanging length of the longitudinally moving I-steel is not more than 1.5m.
The steel truss is welded by common steel pipes; the safety baffle adopts a steel plate, and the thickness of the steel plate is not less than 5mm; the inclined support adopts two common steel pipes,
the pacifier is made of common steel pipes.
The utility model comprises a awning, a lifting structure, a supporting structure and a chassis, wherein the awning, the lifting structure and the supporting structure are sequentially arranged on the chassis, the whole of the longitudinal movement I-steel and the electric chain hoist can realize transverse movement along with the movement of two sets of transverse movement monorail travelling cranes, and the electric chain hoist realizes the longitudinal movement of the electric chain hoist through the longitudinal movement monorail travelling cranes.
The beneficial effects of the utility model are as follows:
1. the lifting structure can easily realize the up-down, left-right and back-and-forth movement of the tensioning jack and the oil pump, and can be operated by a single person, so that the construction efficiency is greatly improved, the labor is saved, and the safety is ensured;
2. the chassis is loaded with the tensioning jack and the oil pump to conveniently reach the operation position without additionally dispatching a forklift for auxiliary carrying, so that the time is saved and the cost is reduced;
3. according to the utility model, the functions of tensioning, lifting and enclosing are organically integrated on the trolley, so that the overall movement of loading the tensioning jack and the oil pump, the adjustment of the self-contained baffle plate, the self-contained lifting structure and the adjustment of the up-down, left-right front-back positions of the tensioning jack and the tensioning construction are realized, a long-arm lever is not required to be installed on the beam top, and lifting equipment is not required to be additionally arranged to be matched with a transfer tensioning jack, the oil pump, the safety baffle plate and the long-arm lever;
4. simple structure, complete functions, easy processing, convenient operation, safety and reliability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic diagram of a lifting structure;
FIG. 4 is a top view of the chassis;
FIG. 5 is a schematic cross-sectional view of the I-I of FIG. 1;
FIG. 6 is a three-dimensional schematic of a lifting structure;
in the figure: 1. awning; 11. a herringbone skeleton; 12. a panel; 2. a hoisting structure; 21. longitudinally moving the I-steel; 22. traversing the I-steel; 23. traversing monorail crane; 24. an electric chain block; 25. longitudinally moving the monorail crane; 3. a support structure; 31. a steel truss; 311. a vertical rod; 312. lengthening the cross bar; 313. a cross bar; 314. a diagonal rod; 315. a wood board; 32. a safety barrier; 33. a diagonal support; 4. a chassis; 41. a wheel; 42. a turntable; 43. a frame; 44. hand-stroking; 45. a storage platform; 46. a left shaft; 47. a right axis; 5. tensioning jack; 51. an oil pump.
Detailed Description
The utility model will be described in further detail below with reference to examples and with reference to the accompanying drawings.
A movable tensioning trolley, comprising a awning 1, a lifting structure 2, a supporting structure 3 and a chassis 4, wherein:
the awning 1 consists of a herringbone framework 11 and a panel 12, wherein the herringbone framework 11 is fixed on a transverse H-shaped steel 21 of a lifting structure 2, and the panel 12 is connected with the herringbone framework 11 through a U-shaped bolt; the awning 1 has the function of protecting the lifting structure 2 from being corroded by rainwater, and ensuring smooth operation of the lifting structure 2;
the hoisting structure 2 consists of a longitudinal movement I-steel 21, two transverse movement I-steels 22, two sets of transverse movement push monorail travelling cranes 23, an electric chain hoist 24 and a set of longitudinal movement push monorail travelling cranes 25, wherein the front end and the rear end of the upper surface of the two longitudinal extension transverse rods 312 of the supporting structure 3 are respectively fixed with the transverse movement I-steel 22, the upper surfaces of the two sets of transverse movement push monorail travelling cranes 23 are respectively arranged on the lower flanges of the two transverse movement I-steels 22, the rear end and the middle part of the upper flanges of the longitudinal movement I-steel 21 are respectively fixed below the two sets of transverse movement push monorail travelling cranes 23, and the front end of the longitudinal movement I-steel 21 is a cantilever end; a set of longitudinal movement hand-push monorail crane 25 is arranged on the lower flange of the longitudinal movement I-steel 21, and an electric chain hoist 24 is suspended below the longitudinal movement hand-push monorail crane 25, so that the longitudinal movement of the electric chain hoist 24 is realized; the whole of the longitudinal movement I-steel 21 and the electric chain hoist 24 can realize transverse movement along with the movement of two sets of transverse movement push monorail travelling cranes 23;
the supporting structure 3 consists of a steel truss 31, a safety baffle 32 and an inclined support 33, wherein the steel truss 31 consists of vertical rods 311, a cross rod 313 and inclined rods 314, and the lower ends of four vertical rods 311 which are arranged in a rectangular shape are fixed on a frame 43 of the chassis 4; the cross bars 313 and the diagonal bars 314 are fixed on the inner sides of two vertical bars 311 adjacent to the left, the right and the back to form a continuous triangle stable structure; three vertical steel trusses 31 form a groove section with a front opening and a tensioning working surface opposite to each other; a safety baffle 32 is fixed on the outer side of the vertical steel truss 31 opposite to the opening and is used for guaranteeing the safety of other operators in the tensioning area; a temporary operation platform is erected on each layer of horizontal cross bars 313 of the vertical steel trusses on the left side and the right side by using a plank 315; the upper end of the inclined support 33 is fixed on the upper half part of the steel truss 31, and the lower end of the inclined support 33 is fixed on the right end of the frame 43 of the chassis 4, so that the steel truss 31, the chassis 4 and the inclined support 33 form a stable triangle structure; the two lengthened cross bars 312 are respectively fixed at the top ends of the two vertical bars 311 at the left side and the top ends of the two vertical bars 311 at the right side and are used for installing the longitudinal-moving I-steel 22 of the lifting structure 2;
the chassis 4 is composed of four wheels 41, a turntable 42, a frame 43, a pacifier 44 and a storage platform 45, two wheels 41 are respectively arranged at two ends of a left shaft 46 and a right shaft 47, the left end of the frame 43 is arranged above the wheels 41 of the left shaft 46, the lower half part of the turntable 42 is arranged above the middle of the right shaft 47, and the upper half part of the turntable 42 is arranged at the middle bottom of the right end of the frame 43, namely: the right axle 47 is mounted below the right end of the carriage 43 by the turntable 42; the wheels 41 of the right axle 47 are connected with the turntable 42, and the turntable 42 is connected with the right end of the frame 43 through U-shaped bolts; the two ends of the left side of the U-shaped handle 44 are respectively connected with the two wheels 41 of the right shaft 47; a wood board is fully paved on the frame 43 to form a storage platform 45 for loading the tensioning jack 5 and the oil pump 51;
the herringbone framework 11 is welded into a triangular structure by adopting common steel pipes, and the panel 12 adopts color steel tiles.
The number of the longitudinally moving I-steel 21 is 1, and the overhanging length is not more than 1.5m.
The steel truss 31 is welded by common steel pipes; the safety baffle 32 is made of steel plates, and the thickness of the steel plates is not less than 5mm; the inclined support 33 adopts 2 common steel pipes.
The pacifier 44 is made of a common steel tube.

Claims (5)

1. The utility model provides a portable stretch-draw dolly which characterized in that: including hoisting structure, bearing structure and chassis, wherein:
the hoisting structure consists of a longitudinal moving I-steel, two transverse moving I-steel, two sets of transverse moving push monorail traveling cranes, an electric chain hoist and a set of longitudinal moving push monorail traveling cranes, wherein the front end and the rear end of the upper surface of the two longitudinal lengthening cross bars of the supporting structure are respectively fixed with the transverse moving I-steel, the upper surfaces of the two sets of transverse moving push monorail traveling cranes are respectively arranged on the lower flanges of the two transverse moving I-steel, the rear end and the middle part of the upper flanges of the longitudinal moving I-steel are respectively fixed below the two sets of transverse moving push monorail traveling cranes, and the front end of the longitudinal moving I-steel is a cantilever end; a set of longitudinal movement hand-push monorail travelling crane is arranged on the lower flange of the longitudinal movement I-steel, and an electric chain hoist is hung below the longitudinal movement hand-push monorail travelling crane to realize the longitudinal movement of the electric chain hoist; the whole of the longitudinal moving I-steel and the electric chain block can realize longitudinal movement along with the movement of two sets of transverse moving monorail travelling cranes;
the supporting structure consists of a steel truss, a safety baffle and an inclined support, wherein the steel truss consists of vertical rods, cross rods and inclined rods, and the lower ends of four vertical rods which are arranged in a rectangular shape are fixed on a frame of the chassis; the transverse rods and the inclined rods are fixed on the inner sides of two vertical rods adjacent to the left side, the right side and the back side to form a continuous triangular stable structure; three vertical steel trusses form a groove-shaped section with an opening facing forward and opposite to the surface of a stretching worker; a safety baffle is fixed on the outer side of the vertical steel truss opposite to the opening; a temporary operation platform is erected on the corresponding cross bars of the left steel truss and the right steel truss by using a thick wood plate; the upper end of the inclined support is fixed at the upper half part of the steel truss, and the lower end of the inclined support is fixed at the right end of the frame of the chassis, so that the steel truss, the chassis and the inclined support form a stable triangle structure; the two lengthened cross bars are respectively fixed at the top ends of two vertical rods of the left steel truss and the right steel truss and are used for installing transverse-moving I-steel of the hoisting structure;
the chassis comprises four wheels, two turntables, a frame, a pacifying hand and a storage platform, wherein two wheels are respectively arranged at two ends of a left shaft and a right shaft, the left end of the frame is arranged on the wheel of the left shaft, the lower half part of the turntable is arranged on the middle of the right shaft, and the upper half part of the turntable is arranged at the middle bottom of the right end of the frame, namely: the right shaft is arranged below the right end of the frame through a turntable; the wheels of the right axle are connected with the turntable, and the turntable is connected with the right end of the frame through U-shaped bolts; the two ends of the left side of the pacifier of the U-shaped structure are respectively connected with two wheels of the right shaft; the frame is fully paved with wood boards to form a storage platform for loading the tensioning jack and the oil pump.
2. The mobile tensioning cart of claim 1, wherein: the awning is composed of a herringbone framework and a panel, wherein the herringbone framework is fixed on transverse H-shaped steel of the lifting structure, and the panel is connected with the herringbone framework through U-shaped bolts.
3. The mobile tensioning cart of claim 1, wherein: the herringbone framework is welded into a triangular structure by adopting common steel pipes, and the panel adopts color steel tiles.
4. The mobile tensioning cart of claim 1, wherein: the overhanging length of the transverse H-shaped steel is not more than 1.5m.
5. The mobile tensioning cart of claim 1, wherein: the steel truss is welded by common steel pipes; the safety baffle adopts a steel plate, and the thickness of the steel plate is not less than 5mm; the inclined support is made of two common steel pipes, and the pacifying hand is made of the common steel pipes.
CN202320394151.4U 2023-03-06 2023-03-06 Movable tensioning trolley Active CN219637703U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320394151.4U CN219637703U (en) 2023-03-06 2023-03-06 Movable tensioning trolley

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320394151.4U CN219637703U (en) 2023-03-06 2023-03-06 Movable tensioning trolley

Publications (1)

Publication Number Publication Date
CN219637703U true CN219637703U (en) 2023-09-05

Family

ID=87807112

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320394151.4U Active CN219637703U (en) 2023-03-06 2023-03-06 Movable tensioning trolley

Country Status (1)

Country Link
CN (1) CN219637703U (en)

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