CN211596347U

CN211596347U - Traction mobile trestle

Info

Publication number: CN211596347U
Application number: CN201922345961.7U
Authority: CN
Inventors: 余波; 陈云
Original assignee: Chengdu Colitt Machinery Manufacturing Co ltd
Current assignee: Chengdu Colitt Machinery Manufacturing Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-29
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a traction moving trestle with a hoisting trolley, which comprises a front walking mechanism, a front supporting leg, a rear walking mechanism, a rear base, a hoisting trolley and a traction mechanism, wherein a group of walking wheels are respectively arranged on two sides of the upper end of the hoisting trolley, and the walking wheels are matched with tracks on the top surface of the trestle to move longitudinally along the trestle; the two groups of traction mechanisms are arranged on the trestle and respectively correspond to the two sides of the lifting trolley, and traction pieces of the traction mechanisms are hinged on the lifting trolley. The utility model discloses a drive of drive mechanism, this drive arrangement can drive the handling dolly that sets up on removing landing stage and preceding running gear still can drive the landing stage and remove, also need not increase dolly actuating mechanism when needs set up a plurality of handling dollies, and the drive arrangement of current landing stage has been simplified to a quick-witted three uses, practices thrift the cost, has reduced the landing stage operation degree of difficulty simultaneously and has reduced workman intensity of labour.

Description

Traction mobile trestle

Technical Field

The utility model relates to a construction equipment for among tunnel or the underground works especially relates to a pull removal landing stage that is used for tunnel or the inverted arch construction of underground works.

Background

With the mechanization and the automation popularization of the drilling and blasting tunnel excavation construction operation, the monthly excavation progress is close to 400 linear meters. In order to overcome the contradiction that the construction progress of the inverted arch lining seriously lags behind excavation construction, a plurality of novel inverted arch construction devices appear, the overall dimension of the devices is larger, the weight is heavier, and higher requirements are provided for the convenience of using, the handling capacity and the use cost of an inverted arch device handling trolley arranged on a movable trestle.

The existing overhead working equipment hoisting mechanism for the movable trestle has the following disadvantages: 1, only dragging equipment can not be used for hoisting construction due to the large overall dimension of the inverted arch construction equipment; 2, the heavy weight of the inverted arch construction equipment has insufficient lifting capacity; 3, the operation is complex; 4, each trolley is provided with an independent driving mechanism, so that the use cost is high.

For example, the box type girder through self-propelled hydraulic inverted arch trestle which is named as a box type girder through type and has the publication number of 2017-01-11 is disclosed as "CN 201620283232.7": including the landing stage main part with set up preceding access bridge, the back access bridge at both ends around the landing stage respectively, characterized by: the trestle main body consists of a main beam, a cross beam and a bridge deck pedal; the main beam of the trestle main body is composed of box beams symmetrically arranged on the left side and the right side; the two main beams are connected by using a cross beam as a framework, and a bridge deck pedal is laid on the cross beam; the upper and lower planes of the main beam are respectively provided with an upper beam rail and a lower beam rail, a movable support mechanism hung outside the main beam moves along the upper beam rail, correspondingly, the movable support mechanism comprises an upper traveling wheel and a lower traveling wheel which move along the upper beam rail and the lower beam rail, and the upper traveling wheel is driven by a hydraulic motor; the front end of the trestle is also provided with a front fixed supporting mechanism; the rear end is also provided with a driving mechanism, the trestle main body moves along the movable supporting mechanism under the action of the driving mechanism, the movable supporting mechanism can also be used as traction equipment, a traction device is additionally arranged on the U-shaped cross section of the movable supporting mechanism, and other equipment is hung on the traction device by utilizing the self-walking principle of the movable supporting mechanism to pull other equipment to move. From the above description, it can be known that the movable support mechanism of the invention is equipped with an independent driving mechanism and also serves as a lifting trolley, when a plurality of lifting trolleys are needed, a plurality of driving mechanisms are needed, which leads to cost increase, and meanwhile, the driving mechanisms are controlled to bring inconvenience in use.

As another example, patent No. CN201721891432, entitled "winch-driven inverted arch trestle" with publication number 2018-10-12: including the preceding running gear, preceding landing leg, back running gear and the back base that set up on the landing stage, preceding running gear is including removing the landing leg, removing jacking cylinder and spout, and it is its characterized in that to remove the landing leg through removing jacking cylinder and spout sliding connection: still include the hoist engine, both ends are provided with a set of walking wheel respectively about the spout, and a set of walking wheel of upper end cooperates with the track on the landing stage top surface, and a set of walking wheel of lower extreme cooperates with the track on the landing stage bottom surface, and the spout is spacing on the landing stage through upper and lower two sets of walking wheels, and the hoist engine setting is in the landing stage rear end, and the chain or the traction steel cable of hoist engine articulate on the spout. Lifting a front approach bridge and a rear approach bridge of a trestle, lifting a rear travelling mechanism and a movable support leg, and withdrawing the front support leg of the trestle to separate the trestle from a cast concrete surface and a tunnel excavation surface, wherein the rear end of the trestle is supported on the cast concrete surface and the tunnel excavation surface through tires of the rear travelling mechanism and the travelling wheel and the movable support leg at the lower end of a sliding chute at the front end, and a winch is started to rotate to drive the trestle to move back and forth; after the trestle is moved to a preset position, the rear walking mechanism and the movable supporting legs are lifted and the front supporting legs of the trestle are jacked, a base behind the trestle is placed on a poured concrete surface, the front supporting legs of the trestle are supported on a tunnel excavation surface, a front approach bridge and a rear approach bridge of the trestle are lifted and placed, the trestle is in a vehicle passing state, meanwhile, the walking wheels at the upper end of the sliding groove are supported on an upper rail of the trestle, and when a winch is started, the front walking mechanism can be driven to move back and forth along the trestle to carry out inverted arch template hoisting and. From the above description, it can be seen that: the front traveling mechanism is also used as a lifting trolley, and the front traveling mechanism is also provided with movable supporting legs, so that only equipment can be dragged due to the fact that lifting construction cannot be carried out due to the fact that the supporting legs cannot pass through when the overall dimension of the inverted arch construction equipment is large, and construction requirements cannot be met.

Disclosure of Invention

An object of the utility model is to overcome the above-mentioned problem that prior art exists, provide a pull removal landing stage. The utility model discloses a drive of drive mechanism, this drive arrangement can drive the handling dolly that sets up on removing landing stage and preceding running gear still can drive the landing stage and remove, also need not increase dolly actuating mechanism when needs set up a plurality of handling dollies, and the drive arrangement of current landing stage has been simplified to a quick-witted three uses, practices thrift the cost, has reduced the landing stage operation degree of difficulty simultaneously and has reduced workman intensity of labour.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a traction movement landing stage, includes preceding running gear, preceding landing leg, back running gear and back base, its characterized in that: the lifting trolley is characterized by further comprising a lifting trolley and a traction mechanism, wherein a group of travelling wheels are respectively arranged on two sides of the upper end of the lifting trolley, and the travelling wheels are matched with tracks on the top surface of the trestle to move longitudinally along the trestle; the two groups of traction mechanisms are arranged on the trestle and respectively correspond to the two sides of the lifting trolley, and traction pieces of the traction mechanisms are hinged on the lifting trolley.

The front walking mechanism comprises a movable supporting leg, a movable jacking oil cylinder, a sliding groove and walking wheels, the movable supporting leg is connected with the sliding groove in a sliding mode through the movable jacking oil cylinder, a set of walking wheels are arranged at the upper end and the lower end of the sliding groove respectively, a set of walking wheels at the upper end are matched with tracks on the top surface of the trestle, a set of walking wheels at the lower end are matched with tracks on the bottom surface of the trestle, and the sliding groove is limited on the trestle.

And the sliding groove is also provided with a traction connecting rod, and the traction connecting rod is hinged with the lifting trolley through a traction bolt.

The traction piece is a traction chain or a traction steel rope, and the traction chain or the traction steel rope of the traction mechanism is hinged on the lifting trolley.

The lifting trolleys are in one group or two groups, two connecting bolts are respectively arranged on two sides of each group of lifting trolleys along the longitudinal direction of the trestle, the connecting bolts are hinged with the traction chain, and hinge lugs hinged with the traction connecting rod are further arranged on the lifting trolleys close to the front walking mechanism; when the number of the two groups of the lifting trolleys is two, the two groups of the lifting trolleys are hinged with the connecting piece through the connecting bolt between the two groups of the lifting trolleys.

Guide wheels are arranged on the two side walls of the trestle along the motion trail of a traction chain or a traction steel rope of the traction mechanism.

The upper end and the lower end of the sliding groove are respectively and fixedly connected with a walking frame, and the upper end and the lower end of the walking frame are respectively provided with two walking wheels.

The traction chain or the traction steel rope passes through a driving chain wheel or a winding drum of the traction mechanism and passes through the guide wheel, and two ends of the traction chain or the traction steel rope are respectively hinged with the front and the back of the two groups of hoisting trolleys to form a closed loop chain.

Adopt the utility model has the advantages of:

the two groups of traction mechanisms of the utility model adopt the driving wheels with smaller diameter, and can have higher rotating speed when the same trestle moves, thereby needing no hydraulic motor with large displacement or a speed reducer with high reduction ratio and saving the manufacturing cost; when the traction mechanism is used for fixing the trestle: the lifting trolley can be driven to move along the trestle independently; when the lifting trolley is hinged with the front travelling mechanism through the traction bolt, the front travelling mechanism is driven to move along the trestle. Under the condition that the lifting trolley is hinged with the front travelling mechanism through the traction bolt, the fixed front travelling mechanism drives the trestle to move along the travelling wheel of the front travelling mechanism, so that three purposes of one machine are realized, the manufacturing cost is saved, the control system is simplified, and the operation difficulty of workers is reduced; the whole structure is simple and reliable, easy to maintain and beneficial to improving the construction progress.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a view of FIG. 1

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A schematic structural diagram;

FIG. 3 is the view of FIG. 1

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A schematic structural diagram;

FIG. 4 is a view of FIG. 1

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A schematic structural diagram;

FIG. 5 is a schematic structural view of example 2;

labeled as: 1. trestle, 2, front supporting leg, 3, rear walking mechanism, 4, rear base, 5, front walking mechanism, 6, movable jacking cylinder, 7, traction mechanism, 8, walking wheel, 9, traction chain or traction steel rope, 10, guide wheel, 11, lifting hinge lug, 12, front approach bridge, 13, rear approach bridge, 14, lifting trolley, 15, connecting bolt, 16, traction bolt, 17, traction connecting rod, 18, connecting piece, 19 and movable supporting leg.

Detailed Description

Example 1

The utility model provides a pull removal landing stage, includes that the last running gear 5 that goes up of landing stage 1 sets up, preceding landing leg 2, handling dolly 14, pull bolt 16, back running gear 3, back base 4 and drive mechanism 7, and preceding running gear 5 is including removing landing leg 19, removes jacking cylinder 6 and walking wheel 8, and removal landing leg 19 is through removing jacking cylinder 6 and spout sliding connection. A set of walking wheel 8 is provided with respectively at both ends about the spout, and a set of walking wheel 8 of upper end cooperates with the track on the 1 top surface of landing stage, and a set of walking wheel 8 of lower extreme cooperates with the track on the 1 bottom surface of landing stage, and the spout is spacing on landing stage 1 through upper and lower two sets of walking wheels 8, still is provided with on the spout and pulls connecting rod 17, and pull connecting rod 17 accessible and pull 16 articulated with handling dolly 14 of bolt.

The two groups of traction mechanisms 7 are respectively arranged on the trestle 1 corresponding to the two sides of the trolley 14, and traction chains or traction steel ropes 9 of the traction mechanisms 7 are hinged on the trolley 14.

The handling dolly 14 is a set of, and the upper end both sides are provided with a set of walking wheel 8 respectively, and with the track cooperation on the landing stage 1 top surface, can follow landing stage 1 longitudinal movement, and handling dolly 14 both sides still are equipped with two connecting bolt 15 respectively along landing stage 1 is vertical, and connecting bolt 15 is articulated with traction chain 9 both ends, still is equipped with and pulls connecting rod 17 articulated hinge ear. The trolley 14 is also provided with a lifting hinge lug 11.

Guide wheels 10 are arranged on the two side walls of the trestle 1 along the motion trail of a traction chain or a traction steel rope 9 of the traction mechanism 7.

The upper end and the lower end of the sliding groove are respectively and fixedly connected with a walking frame, and each walking frame is provided with two walking wheels 8 from top to bottom.

The traction chain or the traction steel rope 9 passes through a driving chain wheel or a winding drum of the traction mechanism 7, passes through the guide wheel 10, and two ends of the traction chain or the traction steel rope are respectively hinged with the hoisting trolley 14 in a front-back mode to form a closed ring.

Example 2

For some inverted arch construction equipment with larger overall dimension and heavier weight, one set of hoisting trolley can not meet the hoisting operation requirement, and one hoisting trolley is additionally arranged, and two sets of hoisting trolleys are adopted for hoisting operation.

The handling dolly 14 is two sets of, and every group upper end both sides are provided with a set of walking wheel 8 respectively, and with the track cooperation on the 1 top surface of landing stage, can follow landing stage 1 longitudinal movement, and every group handling dolly 14 both sides still are equipped with two connecting bolt 15 respectively along landing stage 1 is vertical, and connecting bolt 15 between two sets of handling dollies 14 is articulated with connecting piece 18, and connecting bolt 15 and the drag chain 9 in two sets of handling dollies 14 outsides are articulated, and the handling dolly 14 that is close to preceding running gear 5 still is equipped with the hinge ear articulated with drag connecting rod 17.

The traction chain or the traction steel rope 9 passes through a driving chain wheel or a winding drum of the traction mechanism 7 and passes through the guide wheel 10, and two ends of the traction chain or the traction steel rope are respectively hinged with the two groups of hoisting trolleys 14 in a front-back mode to form a closed ring.

The working principle of the utility model is as follows:

A. trestle movement

Firstly, lifting a front approach bridge 12 and a rear approach bridge 13 of the trestle, lifting a rear travelling mechanism 3 and a movable support leg 19 and withdrawing a front support leg 2 of the trestle, so that the trestle 1 is separated from a cast concrete surface and a tunnel excavation surface, at the moment, the rear end of the trestle 1 is supported on the cast concrete surface and the tunnel excavation surface through a tire of the rear travelling mechanism 3, a travelling wheel 8 and a movable support leg 5, the front end of the trestle is supported on the cast concrete surface and the tunnel excavation surface through a lower end of a chute, a hoisting trolley 14 is hinged with a traction connecting rod 17 of the front travelling mechanism 5 through a traction bolt 16, and a traction mechanism.

B. Movement of the front running gear

After trestle 1 moved to predetermined position, mention back running gear 3 and remove landing leg 19 and jacking landing stage front leg 2, place base 4 in the concrete face of having watered behind trestle 1, landing stage front leg 2 supports in the tunnel excavation face, carries and puts down trestle front approach 12, back approach 13, and the walking wheel 8 of spout upper end supports on trestle 1's last track when trestle 1 was in the state of leading to the bus this moment, can drive preceding running gear 5 and follow trestle 1 back-and-forth movement when drive mechanism 7 starts.

C. Trolley movement

Under the working condition of item B, the traction bolt 16 is removed, the connection between the lifting trolley 14 and the front walking mechanism 5 is disconnected, and when the traction mechanism 7 is started, the lifting trolley can be driven to move to carry out lifting and positioning operation of the inverted arch equipment.

Claims

1. The utility model provides a pull removal landing stage, includes preceding running gear (5), preceding leg (2), back running gear (3) and back base (4), its characterized in that: the lifting trolley is characterized by further comprising a lifting trolley (14) and a traction mechanism (7), wherein a group of walking wheels (8) are respectively arranged on two sides of the upper end of the lifting trolley (14), and the walking wheels (8) are matched with a track on the top surface of the trestle (1) to move longitudinally along the trestle (1); the two groups of traction mechanisms (7) are arranged on the trestle (1) and respectively correspond to the two sides of the lifting trolley (14), and traction pieces of the traction mechanisms (7) are hinged on the lifting trolley (14).

2. The tow mobile trestle of claim 1, wherein: preceding running gear (5) is including removing landing leg (19), removing jacking cylinder (6), spout and walking wheel (8), removes landing leg (19) through removing jacking cylinder and spout sliding connection, both ends are provided with a set of walking wheel (8) respectively about the spout, a set of walking wheel (8) of upper end and the track cooperation on landing stage (1) top surface, a set of walking wheel (8) of lower extreme and the track cooperation on landing stage (1) bottom surface, the spout is spacing on landing stage (1) through upper and lower two sets of walking wheels (8).

3. The tow mobile trestle of claim 2, wherein: and the sliding groove is also provided with a traction connecting rod (17), and the traction connecting rod (17) is hinged with the lifting trolley (14) through a traction bolt (16).

4. The tow mobile trestle of claim 3, wherein: the traction piece is a traction chain or a traction steel rope (9), and the traction chain or the traction steel rope (9) of the traction mechanism (7) is hinged on the lifting trolley (14).

5. The tow mobile trestle of claim 4, wherein: the lifting trolleys (14) are one group or two groups, two connecting bolts (15) are respectively arranged on two sides of each group of lifting trolleys (14) along the longitudinal direction of the trestle (1), the connecting bolts (15) are hinged with a traction chain, and hinge lugs hinged with a traction connecting rod (17) are further arranged on the lifting trolleys (14) close to the front travelling mechanism (5); when the number of the two groups of the trolley bodies is two, the two groups of the trolley bodies (14) are hinged with the connecting piece (18) through the connecting bolt (15) between the two groups of the trolley bodies (14).

6. The tow mobile trestle of claim 5, wherein: guide wheels (10) are arranged on the two side walls of the trestle (1) along the motion trail of a traction chain or a traction steel rope (9) of the traction mechanism (7).

7. The tow mobile trestle of claim 6, wherein: the upper end and the lower end of the sliding groove are respectively and fixedly connected with a walking frame, and the upper end and the lower end of the walking frame are respectively provided with two walking wheels (8).

8. The tow mobile trestle of claim 7, wherein: the traction chain or the traction steel rope (9) passes through a driving chain wheel or a winding drum of the traction mechanism (7) and passes through the guide wheel (10), and two ends of the traction chain or the traction steel rope are respectively hinged with the front and the back of the two groups of hoisting trolleys (14) to form a closed loop chain.