CN210134325U

CN210134325U - Boat-carrying telescopic pushing platform

Info

Publication number: CN210134325U
Application number: CN201920067557.5U
Authority: CN
Inventors: 王硕磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2020-03-10
Anticipated expiration: 2029-01-16

Abstract

The utility model discloses a flexible propelling movement platform of boat-borne, flexible propelling movement platform includes tertiary flexible arm and flexible drive mechanism, tertiary flexible arm includes basic arm, main flexible arm and time flexible arm, flexible drive mechanism includes telescopic cylinder, assembly pulley A, assembly pulley B, wire rope and tightens up the screw rod, basic arm, main flexible arm and time flexible arm set gradually and can accomplish the overhanging or the action of returning back of main flexible arm and time flexible arm from outside to inside, be equipped with assembly pulley A and assembly pulley B on the main flexible arm respectively, the wire rope cover is established and is formed a return circuit on assembly pulley A and assembly pulley B, the front end of basic arm and the rear end of time flexible arm are fixed respectively on two anchor points of wire rope sling, two anchor points are located the both sides of wire rope sling between two assembly pulleys respectively. The utility model discloses realize the relative slip between the tertiary flexible arm, satisfy the flexible functional requirement of platform, have certain formation mobility, improve truss propelling movement operating efficiency and security.

Description

Boat-carrying telescopic pushing platform

Technical Field

The utility model belongs to the technical field of the river crossing guarantee equipment, a novel flexible platform in boat bridge truss bank is related to, concretely relates to flexible propelling movement platform is carried to boat.

Background

The truss girder is usually the main bearing component of the upper structure of the pontoon bridge, and when the pontoon bridge is constructed or the portal bridge is combined, the connection of the push truss girder on the boat is an important link in the erection process of the pontoon bridge and the portal bridge. From the present situation, the limitation of beach conditions is large when the truss is pushed onto the boat from the shore, the operation difficulty is large, and the bottleneck problem that the equipment is restricted to form guarantee capacity is formed.

Specifically, the truss connection pushing is an important link in the door bridge erecting process, in the field operation process at present, the conditions of a river beach are complex, the water level of a Yangtze river is variable, the pushing difficulty of a truss from the shore to a water side boat is high, the length of a single long truss is greater than 4500 mm, the width of the truss is about 600 mm, the height of the truss is about 1200 mm, the weight of the truss is 500-600 kg, and the labor intensity of an operator is high; the truss mainly has the problem that bank slope is bradytelic when pushing from bank side to water side: when the boat can not be directly close to the water side, the beach ground needs to be leveled in advance, then a bridge plate stack or a detachable rack is erected on the shore side, the operation is complicated, and the operation time can reach dozens of minutes to dozens of minutes. In addition, the hoisting problem is also existed: under the condition of better dock, hard dam or beach foundation conditions, the crane truss is adopted to directly hoist and transport the ship to the water side boat. The overhead hoisting has certain potential safety hazard, and a crane can only ensure one point often, can only connect a row of trusses once, and the operating efficiency is low.

Therefore, it is urgently needed to provide a new pontoon bridge truss shore telescopic platform to solve the above problems.

Disclosure of Invention

To the problem that the boat receives beach condition restriction big, the operation difficulty on the present truss, the utility model aims to provide a flexible propelling movement platform of boat year connects the bank platform through the design boat year, has improved the operating efficiency and the security of boat on the truss, reduces operation personnel intensity of labour, strengthens the supporting construction that the river crossing was equipped, promotes river crossing engineering guarantee ability.

The utility model discloses use current pontoon bridge as the platform, satisfy pusher operation and transportation requirement simultaneously, the multistage level that realizes flexible arm through hydraulic pressure and mechanical transmission technique is flexible, realizes the quick roll propelling movement of bank multiseriate truss and goes up the boat, and it mainly includes diesel-driven pump station, flexible platform, rolls and send mechanism, well boat coupling mechanism, hydraulic system, electric control system and auxiliary mechanism etc.. The overall design is as follows: the diesel-driven pump station provides power and transmits the power to the oil cylinder of the telescopic pushing platform, the telescopic pushing platform adopts a three-section telescopic arm type structure, the horizontal distance between the shore truss and the boat board is adjusted, and the telescopic arm type platform comprises a basic arm, a main telescopic arm, a secondary telescopic arm and the like. The rolling mechanism is arranged on the telescopic platform, adopts rolling pushing to reduce the resistance in the truss pushing process and reduce the labor intensity, and consists of a series of rollers and supports. The hydraulic system is provided with a manual oil pump which is mainly used for fine adjustment of the position of the platform during emergency work or normal operation of the oil cylinder when the hydraulic power pump station breaks down. The electrical control system is designed with a PLC, and mainly provides operation instructions for a plurality of functions. The auxiliary mechanism is provided with an auxiliary springboard which mainly provides a support platform for operators.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a flexible propelling movement platform of boat-borne, includes tertiary flexible arm and flexible drive mechanism, tertiary flexible arm includes basic arm, main flexible arm and time flexible arm, and flexible drive mechanism includes flexible hydro-cylinder, assembly pulley A, assembly pulley B, wire rope and tightens up the screw rod, and basic arm, main flexible arm and time flexible arm set gradually and can accomplish the overhanging or the action of contracting of main flexible arm and time flexible arm from outside to inside, are equipped with respectively on the main flexible arm assembly pulley A and assembly pulley B, and the wire rope cover is established and is formed a return circuit on assembly pulley A and assembly pulley B, and the front end of basic arm and the rear end of time flexible arm are fixed respectively on two anchor points of wire rope sling, and two anchor points are located the both sides of wire rope sling between two assembly pulleys respectively.

Further, the pulley block A and the pulley block B are respectively arranged at two ends of the main telescopic arm.

Furthermore, the two anchor points are respectively equal to the pulley block A and the pulley block B in distance.

Furthermore, a rolling mechanism is arranged on the three-stage telescopic arm and comprises a fixed roller group, a detachable roller group and a folding roller group, the fixed roller groups are arranged on all the basic arms, the front end part of the main telescopic arm and the front end part of the secondary telescopic arm, and the detachable roller group is arranged on the front end part of the main telescopic arm after the main telescopic arm extends out; the secondary telescopic arm is provided with the folding roller group except the front end part.

Furthermore, jump board structures are arranged on two sides of the telescopic pushing platform and comprise triangular supports, basic arm jump boards and folding jump boards, wherein the basic arm jump boards and the folding jump boards are arranged on the triangular supports, and the folding jump boards can be folded in a Z-shaped folding mode through hinges.

Further, the telescopic pushing platform is arranged on a connecting mechanism of the middle boat during truss transportation: the connecting mechanism of the middle boat comprises a transmission bracket and a movable base, the transmission bracket is provided with the telescopic pushing platform, lifting pitching mechanisms are arranged below two sides of the transmission bracket to realize lifting of the telescopic pushing platform and adjustment of the slope of the telescopic pushing platform and the bank, the lifting pitching mechanisms are arranged above the rotating mechanisms, the rotating mechanisms realize angular rotation of the telescopic platform, the rotating mechanisms are arranged above the movable base, the movable base is directly arranged on a ship board of the middle boat, and supporting rollers are arranged on the movable base and can drive the upper structure of the movable base to move along the ship board direction.

Furthermore, the telescopic pushing platform is powered by a hydraulic system through a diesel power pump station, so that the telescopic oil cylinder operates.

Further, the telescopic platform may be operated by an electrical steering system comprising panel control and/or remote control modes.

The utility model discloses the beneficial effect who has as follows: the utility model discloses propelling movement operation is connected on the bank of truss when mainly used pontoon bridge combines the portal bridge, carries the water side portal bridge full-shape boat with the truss from the bank fast. The device can solve the difficult problem of pontoon bridge in the use betterly, realizes the relative slip between the tertiary flexible arm, satisfies the flexible functional requirement of platform, has certain mobility, improves truss propelling movement operating efficiency and security, reduces operation personnel intensity of labour, strengthens the supporting construction of river crossing equipment, promotes river crossing engineering guarantee ability.

Drawings

Fig. 1 is a schematic view of the boat-mounted retractable pushing platform of the present invention: (a) an extended state side view; (b) a top view of the extended state; (c) a retracted state side view; (d) a retracted state top view;

fig. 2 is a schematic diagram 1 illustrating the motion principle of the boat-mounted retractable pushing platform of the present invention;

fig. 3 is a schematic diagram of the motion principle of the boat-mounted telescopic pushing platform of the utility model 2: (a) a compressed state diagram; (b) a partially extended state diagram; (c) a projected state diagram;

the device comprises a 1-telescopic pushing platform, a 1 a-basic arm, a 1 b-main telescopic arm and a 1 c-secondary telescopic arm.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 3, the boat-mounted telescopic pushing platform of the present embodiment is mainly used for lapping a truss pushing operation platform from a water side to a shore side, and adjusting the length of a telescopic arm in due time according to the slope condition of the shore to overcome the horizontal distance obstacle between a gate bridge foot boat side and the shore. The telescopic pushing platform 1 comprises three-stage telescopic arms, a telescopic transmission mechanism, a personnel springboard and the like.

The three-stage telescopic arm is a supporting body which is connected with a truss and pushed, and comprises a basic arm 1a, a main telescopic arm 1b and a secondary telescopic arm 1c, wherein the basic arm 1a is connected with a transmission bracket through a rotary pin, the rear end of the basic arm 1a is connected with a cylinder barrel base of a telescopic oil cylinder, and a telescopic oil cylinder support, a pulley block A and the like are arranged in the basic arm; the main telescopic arm 1b is connected with the basic arm 1a in a sliding manner through a telescopic transmission structure; the secondary telescopic arm 1c is connected with the main telescopic arm 1b in a sliding mode through a telescopic transmission structure.

The telescopic transmission mechanism is mainly used for achieving stretching and shrinking of the telescopic pushing platform 1 and comprises a telescopic oil cylinder, a pulley block A, a pulley block B, a steel wire rope, a tightening screw and a steel wire rope fixing column, the basic arm 1a, the main telescopic arm 1B and the secondary telescopic arm 1c are connected through the telescopic transmission mechanism, relative sliding among the three is achieved, and the requirement of a telescopic function of the platform is met.

The connection relationship and the sliding principle of the telescopic transmission mechanism and the three-stage telescopic arm are specifically shown in fig. 2 and 3: the basic arm 1a is fixedly arranged on the transmission bracket, the main telescopic arm 1b is arranged under the inner part of the basic arm 1a in a close manner, the secondary telescopic arm 1c is arranged under the inner part of the main telescopic arm 1b, and simply, the basic arm 1a, the main telescopic arm 1b and the secondary telescopic arm 1c are arranged in sequence from outside to inside and can complete continuous extending or retracting actions of the main telescopic arm 1b and the secondary telescopic arm 1 c. The main telescopic arm 1B is provided with two pulley blocks, preferably, two ends of the main telescopic arm 1B are respectively provided with a pulley block A and a pulley block B, a steel wire rope is sleeved on the pulley block A and the pulley block B to form a loop, the front end of the basic arm 1a is fixed on an anchor point of the steel wire rope sleeve and is fixed through a steel wire rope fixing column, and the anchor point is close to the pulley block A; the rear end of the secondary telescopic arm 1c is fixed on another anchor point of the steel wire rope sleeve through another steel wire rope fixing column, and the anchor point is close to the pulley block B. The two anchor points need to be arranged at two sides of the two pulley blocks. Preferably, the two anchor points are respectively equal to the distance between the pulley block A and the pulley block B, namely, the distance between the anchor point close to the pulley block A and the pulley block A is equal to the distance between the anchor point close to the pulley block B and the pulley block B.

In addition, a tightening screw is arranged on the wire rope sling and used for keeping the whole wire rope sling in a tightened state.

Reference standard: the basic arm 1a is stationary relative to the entire device, i.e. the basic arm 1a is regarded as stationary throughout the telescoping process.

As shown in fig. 3, when the telescopic cylinder extends, the wire rope sleeve moves counterclockwise on two pulley blocks, the cylinder extends △ L1, the telescopic cylinder drives the main telescopic arm 1B to extend △ L2 to △ L1, the basic arm 1a keeps still, the distances between two anchor points and the pulley block a and the pulley block B are equal, the total length of the wire rope sleeve is not changed, only the secondary telescopic arm 1c extends, the extending amount is equal to the extending amount △ L3 to △ L1 of the cylinder, and the △ L2 to △ L3, that is, the main telescopic arm 1B and the secondary telescopic arm 1c extend to the same amount, so that the telescopic arm extends synchronously, and the telescopic action of one telescopic arm is generated, so that the telescopic arms of two adjacent telescopic arms are equal.

When the telescopic oil cylinder retracts, the cylinder retracts △ L1, the telescopic oil cylinder drives the main telescopic arm 1B to retract △ L2- △ L1, the basic arm 1a is kept still, the distances between two anchor points and the pulley block A and the pulley block B are equal, the total length of the wire rope sleeve is unchanged, therefore, the secondary telescopic arm 1c can only retract, and the retraction amount is equal to the retraction amount △ L3- △ L1 of the cylinder.

The personnel springboard is mainly used for passing when personnel push the truss and comprises a basic arm springboard, a folding springboard and the like. The folding springboard is folded in a Z-shaped folding mode through a hinge. The bottom of the personnel springboard is provided with a triangular support which is connected with the telescopic arm through a pin shaft gourd hole, so that the requirement on structural strength is met.

The telescopic pushing platform of the embodiment further comprises a rolling conveying mechanism, a middle boat connecting mechanism, a hydraulic system, a diesel-driven pump station and an electric control system.

The rolling mechanism is mainly used for realizing rolling pushing of the truss, reducing resistance in the pushing process of the truss and reducing labor intensity. Mainly comprises a series of roller groups arranged on a telescopic arm, and comprises a fixed roller group, a detachable roller group and a folding roller group. Roller groups on the front end portions of the basic arm 1a, the main telescopic arm 1b and the sub telescopic arm 1c are fixed on the upper surface of the arm (fixed roller group); after the main telescopic arm 1b extends out, the dismounting roller group on the main telescopic arm can be manually mounted on the upper surface of the arm; the folding roller group on the secondary telescopic arm 1c can be turned out and fixed manually.

The middle boat connecting mechanism is used for connecting the truss pushing device with the type boat, can move along the boat board direction as a bearing component of the platform, and is convenient for configuring the truss intervals of different tonnage portal bridges and floating bridges. When the boat is moved to the proper position, the pin and the pin hole on the boat board can be used for positioning. The mechanism mainly comprises a transmission bracket, a movable base and the like.

(1) The transmission bracket is used for supporting the telescopic pushing platform 1 and balancing and bearing the whole equipment device, and the device is kept to stably lift, rotate, stretch and the like. The rotary cutter is formed by welding raw materials such as profile steel and the like, is connected with a rotary mechanism through a scissor fork, and is provided with dovetail grooves on two sides of the upper edge of one end and a pin shaft seat on the lower edge; the two sides of the upper edge of the other end are provided with pin shaft seats, and the lower edge is provided with a pitching oil cylinder base.

(2) The movable base is mainly used for bearing the upper mechanism and driving the upper mechanism to move back and forth on the edge of the middle boat and comprises an underframe, a supporting roller group and the like. The movable base is supported on a certain boat board by adopting 4 groups of supporting rollers (3 in each group); the diesel-driven pump station base is supported on the boat board by adopting 4 rollers, and the movable base and the diesel-driven pump station base can be separated or combined through bolts. The rollers on the movable base can be pushed by manpower to roll on a certain type of boat board, so that the axial line distance of the rolling and conveying mechanism can be conveniently adjusted, and the truss intervals of different tonnage portal bridges and floating bridges are configured. The positioning holes are matched according to the boat porthole combination and connected by a pin shaft.

The telescopic pushing platform 1 is positioned above the transmission bracket, the rolling mechanism is arranged on the surface of the telescopic pushing platform 1, and the rolling mechanism is directly contacted with the truss; the two sides of the telescopic pushing platform 1 are provided with lifting pitching mechanisms (specifically, lifting structures and pitching structures are arranged below the two sides of the transmission bracket), the lifting pitching mechanisms are arranged above the rotating mechanisms, the rotating mechanisms are arranged above the movable bases, and the movable bases are directly arranged on the side of the boat in the middle boat.

The diesel-driven pump station is mainly used for providing power for a hydraulic system and realizing the extension and retraction of the telescopic oil cylinder in the telescopic pushing platform 1 and comprises a diesel engine, a gear pump, a manual pump, a pump station base and the like; the pump station base is formed by welding rollers, steel plates and profile steel and is common to the diesel-driven pump station and the electric control cabinet. 4 support rollers (single traveling wheels 5d) can roll on a certain type of boat board, are fixed with the jack on the boat board by a bolt after moving in place, and can be connected with a middle boat connecting mechanism (a movable base) by connecting bolts, so that the operation requirements of pushing door bridge trusses with different tonnages are met.

The hydraulic system is mainly used for realizing the extension and retraction of the extension platform 1 and comprises a power unit, a control unit, an execution unit and auxiliary elements. The power unit, namely the gear pump, is directly connected with the diesel engine into a whole to form the diesel-driven pump station. The control unit is a control valve group and consists of a manual electromagnetic multi-way reversing valve, a hydraulic control one-way valve, a buffering locking valve, a one-way throttle valve, a throttle valve and the like. The manual electromagnetic multi-way reversing valve can be operated remotely and is used for controlling the actions of the oil cylinder and the motor; the lifting, inclination and telescopic hydraulic circuits are provided with throttle valves, and the hydraulic control one-way valves are adjustable in speed and lockable in position; the rotary loop is provided with a buffering locking valve group, so that buffering and position locking of starting and stopping can be realized. The execution unit consists of a lifting oil cylinder, a pitching oil cylinder, a telescopic oil cylinder, a hydraulic motor (a rotary motor) and the like. The auxiliary element mainly comprises a hydraulic pipeline, a quick joint, an oil tank, a filter and the like.

The electric control system comprises a control panel, a remote controller, an electric control circuit and the like. The basic unit integrates all circuits, CPU, memory, input/output interface, power supply, etc. on a module, and is divided into two modes of fixed panel and remote control.

The auxiliary mechanism is mainly used for matching with auxiliary equipment equipped for truss connection pushing operation and consists of a truss lifter, a lifting foot support, a shore lap joint mechanism and an inter-boat connecting mechanism. The truss lifter is mainly used for overcoming the height difference of a truss roller conveyor on the upper surface roller train of the telescopic pushing platform 1 and the side of the middle boat in the operation process of pushing the truss, ensures that the truss can stably move between the platform boat and the bridge foot boat, and comprises a lifting frame, a riding wheel group, an anti-backing lock, a guide rail pulley block, a manual winch, a steering pulley block and the like. The lifting foot support is mainly used for supporting the shore connecting end of the telescopic pushing platform 1, so that the cantilever type telescopic pushing platform 1 is supported by a cantilever beam and converted into a simply supported beam to support, deformation caused by impact on the telescopic pushing platform 1 in the process of pushing a truss is prevented, and the lifting foot support mainly comprises a self-locking driver, a manual crank, a telescopic ejector rod, a foundation plate and the like. The shoreside lap joint mechanism is mainly used for overcoming the height difference between the end part of the secondary telescopic arm 1c extending out of the telescopic pushing platform 1 and the shoal, and the truss is convenient to transition from the ground to the telescopic pushing platform 1 and consists of rollers, springboards and the like. The inter-boat connecting mechanism is mainly used for connecting the boat board of the platform boat and the boat board of the bridgefoot boat, and prevents the mutual movement of the water flow direction, the lateral direction and the like of the full boat. Comprises a connecting bracket, a connecting shaft, a shaft pin and the like.

The above description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The boat-mounted telescopic pushing platform is characterized by comprising a three-stage telescopic arm and a telescopic transmission mechanism, wherein the three-stage telescopic arm comprises a basic arm, a main telescopic arm and a secondary telescopic arm, the telescopic transmission mechanism comprises a telescopic oil cylinder, a pulley block A, a pulley block B, a steel wire rope and a tightening screw rod, the basic arm, the main telescopic arm and the secondary telescopic arm are sequentially arranged from outside to inside and can finish the extending or retracting actions of the main telescopic arm and the secondary telescopic arm, the pulley block A and the pulley block B are respectively arranged on the main telescopic arm, the steel wire rope is sleeved on the pulley block A and the pulley block B to form a loop, the front end of the basic arm and the rear end of the secondary telescopic arm are respectively fixed on two anchor points of a steel wire rope sleeve, and the two anchor points are respectively located on two sides of the steel wire rope sleeve between the two.

2. The boat-carrying telescopic pushing platform according to claim 1, wherein the pulley block a and the pulley block B are respectively disposed at both ends of the main telescopic arm.

3. The boat-carrying telescopic pushing platform of claim 2, wherein the two anchor points are respectively equidistant from the pulley block a and the pulley block B.

4. The boat-carrying telescopic pushing platform according to any one of claims 1 to 3, wherein the three-stage telescopic arm is provided with a rolling mechanism comprising a fixed roller set, a detachable roller set and a folding roller set, the fixed roller set is arranged on all the basic arms, the front end part of the main telescopic arm and the front end part of the secondary telescopic arm, and the detachable roller set is arranged on the main telescopic arm except the front end part after the main telescopic arm extends out; the secondary telescopic arm is provided with the folding roller group except the front end part.

5. The retractable boat-carrying pusher platform of any one of claims 1 to 3, wherein said retractable pusher platform is provided with a springboard structure on both sides thereof, comprising a triangular support and a base arm springboard and a folding springboard arranged thereon, the folding springboard being foldable in a zigzag folding manner by means of hinges.

6. The boat-carrying telescopic pushing platform according to any one of claims 1 to 3, wherein the telescopic pushing platform is arranged on a connecting mechanism of a middle boat during truss transportation: the connecting mechanism of the middle boat comprises a transmission bracket and a movable base, the transmission bracket is provided with the telescopic pushing platform, lifting pitching mechanisms are arranged below two sides of the transmission bracket to realize lifting of the telescopic pushing platform and adjustment of the slope of the telescopic pushing platform and the bank, the lifting pitching mechanisms are arranged above the rotating mechanisms, the rotating mechanisms realize angular rotation of the telescopic pushing platform, the rotating mechanisms are arranged above the movable base, the movable base is directly arranged on a ship board of the middle boat, and supporting rollers are arranged on the movable base and can drive the upper structure of the movable base to move along the ship board direction.

7. The boat-carrying telescopic pushing platform according to any one of claims 1 to 3, wherein the telescopic pushing platform is powered by a hydraulic system through a diesel-driven pump station to realize the operation of the telescopic oil cylinder.

8. The shipboard telescoping pusher platform of any of claims 1-3, wherein the telescoping pusher platform is operable via an electrical operating system, the electrical operating system including a panel control and/or remote control mode.