CN210177344U

CN210177344U - Inverted arch trestle

Info

Publication number: CN210177344U
Application number: CN201920610824.9U
Authority: CN
Inventors: Bing Lan; 兰冰; Zhangling Qiu; 邱章令
Original assignee: Sichuan Lanhai Intelligent Equipment Manufacturing Co Ltd
Current assignee: Sichuan Lanhai Intelligent Equipment Manufacturing Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-03-24
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses an inverted arch trestle, which comprises a main bridge, a front approach bridge, a rear approach bridge, a fixed supporting leg, a movable supporting leg, a driving frame, a traversing mechanism, a walking wheel mechanism and a driving component; the front approach bridge and the rear approach bridge are respectively arranged at two side positions of the main bridge, the front approach bridge and the rear approach bridge are respectively hinged with the main bridge, the front approach bridge and the rear approach bridge are respectively connected with the main bridge through hydraulic rods, the main bridge comprises a bearing bottom surface and a supporting vertical surface, the supporting vertical surface symmetry is arranged on two sides of the bearing bottom surface, the supporting vertical surface and the bearing bottom surface are vertically arranged, the top and the bottom of the supporting vertical surface are respectively provided with a track groove matched with a movable supporting leg and a driving frame, a driving assembly is arranged on the outer side surface of the supporting vertical surface, the driving assembly drives the movable supporting leg and the driving frame to move through chains, the fixed supporting leg is arranged on the main bridge close to the rear approach bridge, a traveling wheel mechanism is arranged on the main bridge close to the front approach bridge, a traversing mechanism is arranged at the rear side position of the traveling wheel mechanism, and a connecting support is arranged on the.

Description

Inverted arch trestle

Technical Field

The utility model belongs to the technical field of the tunnel and specifically relates to an invert landing stage.

Background

With the steady increase of the high-speed rail ownership in China, tunnel construction needs to be completed with higher quality and higher speed, and therefore innovation needs to be carried out on the mechanical aspect of tunnel construction.

At present, in the tunnel work progress, need erect the landing stage to the subaerial erection trestle of excavation to the realization is to the passage of passing vehicle, and when prior art erect the landing stage, the landing stage is when removing, and the operation is complicated, the energy consumption is high, and the maintenance is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a utility model aim at: to the above problem, provide an invert trestle, this trestle is provided with drive frame and running wheel mechanism, makes the trestle when removing, and the operation is simpler, and the structure is more stable to more do benefit to the maintenance, make trestle more stable and high-efficient when removing.

An inverted arch trestle comprises a main bridge, a front approach bridge, a rear approach bridge, fixed support legs, movable support legs, a driving frame, a transverse moving mechanism, a traveling wheel mechanism and a driving assembly; the front approach bridge and the rear approach bridge are respectively arranged at two sides of the main bridge, the front approach bridge and the rear approach bridge are respectively hinged with the main bridge, the front approach bridge and the rear approach bridge are respectively connected with the main bridge through hydraulic rods, retraction and release of the front approach bridge and the rear approach bridge are controlled by controlling the hydraulic rods, the main bridge comprises a bearing bottom surface and a supporting vertical surface, the supporting vertical surface is symmetrically arranged at two sides of the bearing bottom surface, the supporting vertical surface is vertical to the bearing bottom surface, the top and the bottom of the supporting vertical surface are respectively provided with a track matched with a movable supporting leg and a driving frame, the movable supporting leg and the driving frame can radially slide on the supporting vertical surface, the driving assembly is arranged on the outer side surface of the supporting vertical surface, the driving assembly drives the movable supporting leg and the driving frame to move through a chain, the fixed supporting leg is arranged on the main bridge at the side close to the rear approach bridge, the walking wheel mechanism is arranged on the main bridge close to the, the transverse moving mechanism is respectively arranged at the front side position and the rear side position of the main bridge, the movable supporting legs are provided with connecting supports, and the movable supporting legs can be connected with the driving frame through the connecting supports.

Through the setting, the landing stage is when removing, at first through the shrink of hydraulic stem with preceding approach and back approach, fixed landing leg and sideslip mechanism are whole landing stage atress this moment, couple together the carriage and the movable landing leg through linking bridge, the carriage is under drive assembly's drive, move earlier, thereby the carriage drives movable landing leg and removes the seesaw, when moving to the assigned position, put down movable landing leg, and the disconnection carriage is connected with movable landing leg, main stress point is atress respectively by sideslip mechanism and movable landing leg this moment, control running wheel mechanism and ground contact, conversion atress strong point is running wheel mechanism and movable landing leg, then drive assembly. The whole forward movement of drive landing stage, this landing stage walking mode and fixed mode conversion are convenient, and the switching step is simple, and is consuming time still less to the mobility can be better.

The driving assembly comprises a driving motor, a speed reducer, a chain wheel, a chain supporting wheel and a chain shield; the driving motor is connected with the input end of the speed reducer, the chain wheels comprise a first chain wheel and a second chain wheel, the first chain wheel is arranged on the output shaft of the speed reducer, the second chain wheel is symmetrically arranged on the rear end part of the supporting vertical surface along the center of the supporting vertical surface, the chain is arranged around the first chain wheel and the second chain wheel, two end parts of the chain are respectively hinged with the driving frame, the chain is driven to move along one direction through the rotation of the driving motor, and the chain drives the driving frame to move back and forth on the supporting vertical surface; the chain supporting wheel comprises an upper chain supporting wheel and a lower chain supporting wheel, the upper chain supporting wheel is arranged at a position between the upper end part and the lower end part of the annular chain, the chain at the upper end part is limited to move through the upper chain supporting wheel, the lower chain supporting wheel is arranged at the lower side position of the chain, the chain passes through the upper side of the lower chain supporting wheel, the chain is smoother in movement directionality and smaller in obstruction through the chain supporting wheel, and the mechanical power loss of the driving motor is smaller due to the supporting and limiting effects of the chain supporting wheel, so that the electric energy is saved; the chain guard shield sets up the top position of supporting wheel on the chain, and the chain guard shield is protected the chain, prevents that the grit piece from entering into the chain, influences work efficiency, has reduced the probability that driving motor broke down.

The travelling wheel mechanism comprises a support column, a hydraulic cylinder, a telescopic column, a rolling wheel and a roller cover, the support column is fixedly connected with the main bridge, the hydraulic cylinder is arranged in the support column and drives the telescopic column to ascend or descend, the roller cover is arranged below the telescopic column and fixedly connected with the bottom of the telescopic column, the rolling wheel is arranged in a rolling wheel cover, a rolling shaft is arranged on the rolling wheel cover, the rolling wheel penetrates through the rolling shaft and is fixed in the rolling wheel cover, the rolling wheel cover provides protection and support for the rolling wheel, when the rolling wheel is required to move, the hydraulic cylinder is controlled to extend the telescopic column to enable the rolling wheel to be in contact with the ground, the rolling shaft is a main stress body at the moment, the roller cover is made of reinforced steel, and after the roller contacts the ground, the driving motor drives the chain, so that the roller moves forwards.

In another embodiment, the travelling wheel mechanism comprises a support column, a hydraulic cylinder, a telescopic column, a rolling wheel, a hydraulic motor and a roller cover, the support column is fixedly connected with the main axle, the hydraulic cylinder is arranged in the support column and drives the telescopic column to ascend or descend, the roller cover is arranged below the telescopic column and is fixedly connected with the bottom position of the telescopic column, the rolling wheel is arranged in the roller cover, a rolling shaft is arranged on the roller cover, the rolling wheel penetrates through the rolling shaft and is fixed in the roller cover, the hydraulic motor is fixed in the roller cover, a gear groove is arranged on the rolling wheel, an output shaft of the hydraulic motor is meshed with the gear groove on the rolling wheel, the hydraulic motor drives the rolling wheel to move, the roller cover provides protection and support for the rolling wheel, and when the rolling wheel is required to move, the hydraulic cylinder is controlled to extend the telescopic column, the rolling wheel is in contact with the ground, the rolling shaft is a main stress body at the moment, the rolling wheel cover is made of reinforced steel, and after the rolling wheel is in contact with the ground, the hydraulic motor drives the rolling wheel to move forwards. In this embodiment, the removal of landing stage relies on hydraulic motor to drive, has reduced driving motor's consumption, has reduced the load of chain simultaneously, drives through the hydraulic motor of front end, makes the walking more firm.

The whole driving frame is U-shaped, the driving frame wraps the bearing bottom surface and the 2 supporting vertical surfaces and is in sliding connection with the tops of the supporting vertical surfaces through sliding wheels at two end parts, and the driving frame comprises a U-shaped beam, a pulley bracket, a connecting seat, a chain hinge seat, an end face lifting lug, a side lifting lug and a lower lifting lug; the connecting seat is arranged on the end part of the U-shaped beam, the connecting seat is fixedly connected with the U-shaped beam, the pulley support is arranged on the end part of the connecting seat, the pulley support comprises a fixing frame, a pulley and a fixing shaft, the fixing frame is U-shaped, the opening direction of the fixing frame is downwards arranged, the side surface of the fixing frame is fixedly connected with the connecting seat, the fixing shaft is arranged at the front end and the rear end of the fixing frame, the pulley is arranged in the fixing clamp through the fixing shaft, the opening surface of the fixing frame is in sliding connection with the track groove of the supporting vertical surface through the pulley, the driving frame is sleeved on the track of the supporting vertical surface through the two pulley supports, the driving frame is stably arranged on the track groove through the four pulleys, the chain hinge seat is arranged on the inner side surface of the vertical plate of the U-shaped beam, the chain is hinged with the chain hinge seat, and the chain is pulled through the driving mechanism so as to drive the driving frame; the end face lifting lug is arranged on the wall of the U-shaped beam vertical plate, the height position of the end face lifting lug is the same as that of the chain hinge seat, the end face lifting lug is connected with the movable supporting leg through the connecting support, and the side lifting lug is arranged on the outer side face of the U-shaped beam vertical plate; the side lifting lugs are arranged at the upper end positions on the outer side surfaces of the U-shaped beam vertical plates and are used for being connected with an external demoulding mechanism to lift and move the inverted arch; the lower lifting lugs are arranged at the bottom of the U-shaped beam, the number of the lower lifting lugs is 2, the lower lifting lugs can be connected with the modules of the external central ditch, and the modules of the central ditch are hoisted and moved through the lower lifting lugs.

The device is provided with movable support legs for supporting the trestle in the moving process, wherein the movable support legs comprise telescopic legs, connecting beams, upper pulley supports, lower pulley supports, connecting seats and connecting supports; the connecting beam is arranged between the two telescopic legs, and each telescopic leg comprises an oil cylinder mounting seat, a leg telescopic oil cylinder, a fixed cylinder, a telescopic leg, a lengthened leg and a leg seat; the oil cylinder mounting seat is arranged at the top position of the telescopic leg, the fixed cylinder is fixedly connected with the mounting seat, the supporting leg telescopic oil cylinder is arranged in the fixed cylinder, one end of the supporting leg telescopic oil cylinder is connected with the oil cylinder mounting seat, the other end of the supporting leg telescopic oil cylinder is connected with the telescopic supporting leg, the telescopic supporting leg moves up and down in the fixed cylinder so as to drive the movable supporting leg to ascend or descend integrally, the lengthened supporting leg is arranged at the bottom position of the telescopic supporting leg, the vertical length in the tunnel is longer, and in order to reduce the telescopic path of the telescopic oil cylinder, the lengthened supporting leg is arranged, meanwhile, the cross section area at the joint of the lengthened supporting leg and the telescopic supporting leg is larger than that of the lengthened supporting leg, so that a partition plate is formed between the telescopic supporting leg and the lengthened supporting leg, the bottom position and the telescopic part of the telescopic leg can be distinguished, the pollution of slurry or ore of the telescopic, in addition, in the actual installation operation, the telescopic supporting legs and the lengthened supporting legs are separately arranged, so that the installation operation is more convenient, and the transportation is more facilitated; the supporting leg seat is arranged at the bottom of the lengthened supporting leg and is in stable contact with the ground through the supporting leg seat.

Connect the crossbeam both ends respectively with the inside wall fixed connection of solid fixed cylinder, the connecting seat sets up the medial surface position at solid fixed cylinder top, the top sheave support passes through the connecting seat and is connected with solid fixed cylinder, the top sheave support includes mount, pulley and fixed axle, the mount is "U" font channel-section steel, and the opening direction of mount sets up downwards, the side and the connecting seat fixed connection of mount, the fixed axle sets up both ends around the mount, the pulley passes through the fixed axle setting in the fixation clamp, and the opening face of mount passes through the pulley and supports the track groove sliding connection of facade, establishes the upper end cover of activity landing leg on the upper portion track groove of supporting the facade through the top sheave support.

The lower pulley support sets up on connecting the crossbeam, and the lower pulley support is corresponding with the position of upper pulley support, the lower pulley support sets up respectively on the both sides wall of connecting the crossbeam, the lower pulley support includes fixed sleeve, U-shaped groove and gyro wheel, the lateral wall fixed connection of fixed sleeve and connection crossbeam, the U-shaped groove sets up the terminal position at fixed sleeve, the gyro wheel sets up in the U-shaped groove through a fixed axle, establishes the lower tip cover of activity landing leg on the lower part track groove of supporting the facade through the lower pulley support.

The upper pulley support and the lower pulley are respectively symmetrically arranged, so that the whole movable supporting leg can be stably arranged and sleeved between the upper pulley and the lower pulley of the main bridge, and the movable supporting leg can stably and quickly perform limiting sliding in the track groove

The connecting support is arranged on the side wall of the fixed cylinder and fixedly connected with the fixed cylinder, a strip-shaped hole is formed in the tail end of the connecting support and is connected with the end face lifting lug on the driving frame through the strip-shaped hole, and the movable supporting leg is connected with the driving frame to achieve the operation in one step.

The supporting leg seat comprises an upper supporting lug, a transition hinge seat and a lower base; the upper support lug is fixedly connected with the bottom of the lengthened support leg, and a hinge hole is formed in the bottom of the upper support lug and is connected with the transition hinge seat through the hinge hole; the articulated seat of transition can swing from top to bottom through the hinge hole, the articulated seat both ends of transition are provided with the hinge bar, the base passes through the hinge bar and is connected with the articulated seat of transition down, the base includes the bearing bottom surface and connects the auricle down, connects the auricle and sets up with the bearing bottom surface is perpendicular, connects the auricle and sets up 2 on the bearing bottom surface, articulates with the hinge bar through connecting the auricle. In actual construction operation in-process, the circumstances of the bottom surface probably appears the unevenness or has the condition of certain gradient, then, makes when the landing leg seat makes with the uneven ground contact of height, can carry out adaptability regulation with lower base through the articulated seat of transition, makes two lower bases can be firm and contact with the uneven ground of height to firm atress.

The fixed supporting legs are arranged on the main bridge close to the rear approach bridge side, the fixed supporting legs are respectively arranged on the left side and the right side of the main bridge, and the fixed supporting legs comprise oil cylinder mounting seats, supporting leg telescopic oil cylinders, fixed cylinders, telescopic supporting legs, lengthened supporting legs and supporting leg seats; the oil cylinder mounting seat is arranged at the top of the telescopic leg, the fixed cylinder is fixedly connected with the mounting seat, the supporting leg telescopic oil cylinder is arranged in the fixed cylinder, one end of the supporting leg telescopic oil cylinder is connected with the oil cylinder mounting seat, the other end of the supporting leg telescopic oil cylinder is connected with the telescopic supporting leg, the telescopic supporting leg moves up and down in the fixed cylinder, thereby driving the movable support legs to ascend or descend integrally, the lengthened support legs are arranged at the bottom positions of the telescopic support legs, and as the vertical length in the tunnel is longer, in order to reduce the telescopic path of the telescopic oil cylinder, therefore, the lengthened supporting leg is arranged, and the cross section area of the joint of the lengthened supporting leg and the telescopic supporting leg is larger than that of the lengthened supporting leg, so that a partition plate is formed between the telescopic supporting leg and the lengthened supporting leg, the bottom position and the telescopic part of the telescopic leg can be distinguished, so that the pollution of slurry or ore of the telescopic leg is reduced, and the situations of damage or blockage of the telescopic oil cylinder and the like caused by the slurry or the ore are avoided; the supporting leg seat is arranged at the bottom of the lengthened supporting leg and is in stable contact with the ground through the supporting leg seat.

During construction, position deviation is required, or turning operation is required during movement, in the small-range turning operation, the small-range stretching can be performed by synchronously stretching and contracting the demolding mechanism connected to the driving frame, but when long-distance deflection is performed, the transverse moving structure is arranged at the bottom of the main bridge, and the transverse moving or deflection of the whole trestle is realized through the transverse moving mechanism.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model is provided with the movable support legs and the driving frame, which can make the trestle more efficient and more stable when moving, and the fixed support legs, the movable support legs and the walking wheel mechanism of the trestle are all provided with the telescopic mechanisms, which can make the trestle operate on different shapes; when the trestle needs to move forwards, the movable supporting leg is firstly moved to the forefront of the trestle, the movable supporting leg and the travelling wheel mechanism are extended to the ground, then the fixed supporting leg is retracted, the driving device is started, and the trestle is moved forwards through the movable supporting leg of the chain. Because the movable support leg lands at the moment, the weight of the trestle is transmitted to the ground through the movable support leg, when the chain rotates, the movable support leg is fixed, and the trestle main bridge moves forwards. After the trestle moves to a half position, the fixed support leg is extended to be grounded, the movable support leg is retracted, the movable support leg is in a suspended state at the moment, and the movable support leg moves to the foremost end of the trestle through the movement of the chain; the reciprocating driving trestle can move stably and efficiently.

2. The utility model discloses set up sideslip mechanism, can make the landing stage turn in the tunnel or can more swift turn to or the translation when horizontal translation, increase the practicality of device, reduce the time that turns to or the translation.

Drawings

FIG. 1 is a schematic view of the overall axial measurement structure of the present invention;

FIG. 2 is a schematic side view of the whole structure of the present invention;

FIG. 3 is a schematic structural view of a traveling wheel mechanism according to the present invention;

fig. 4 is a schematic structural diagram of a driving frame in the present invention;

fig. 5 is a schematic structural view of a movable leg of the present invention;

fig. 6 is a front view of the connecting base of the present invention;

fig. 7 is a schematic side view of the connecting seat of the present invention;

fig. 8 is a schematic side view of the cross sliding mechanism of the present invention;

the labels in the figure are: 1. a main bridge; 2. a front approach bridge; 3. a rear approach bridge; 4. fixing the supporting legs; 5. a movable leg; 6. a driving frame; 8. A traveling wheel mechanism; 9. a driving component 10 and a transverse moving mechanism; 51. a telescopic leg; 52. connecting the cross beam; 53. an upper sheave bracket; 54. a lower sheave bracket; 55. a connecting seat; 56. connecting a bracket; 511. an oil cylinder mounting base; 512. a supporting leg telescopic oil cylinder; 513. a fixed cylinder; 514. a telescopic leg; 515. lengthening the supporting legs; 516. a leg base; 551. an upper lug; 552. a transition hinge seat; 553. a lower base; 61. a U-shaped beam; 62. a pulley bracket; 64. a chain hinge seat; 65. end face lifting lugs; 66. A side lifting lug; 67. a lower lifting lug; 81. a support pillar; 83. a telescopic column; 84. a rolling wheel; 85. a roller cover; 86. a hydraulic motor; 91. a drive motor; 93. a chain; 95. a chain support wheel; 101. a stress column; 102. a support beam; 103. connecting a base; 104. a rolling mechanism; 105. an auxiliary bearing column; 106. and a hydraulic cylinder.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

Example 1

As shown in fig. 1 to 7, an inverted arch trestle comprises a main bridge 1, a front approach bridge 2, a rear approach bridge 3, fixed support legs 4, movable support legs 5, a driving frame 6, a transverse moving mechanism 10, a traveling wheel mechanism 8 and a driving assembly 9; the front approach bridge 2 and the rear approach bridge 3 are respectively arranged at two ends of a main bridge 1, the front approach bridge 2 and the rear approach bridge 3 are respectively hinged with the main bridge 1, the front approach bridge 2 and the rear approach bridge 3 are respectively connected with the main bridge 1 through hydraulic rods, retraction and release of the front approach bridge 2 and the rear approach bridge 3 are controlled through controlling the hydraulic rods, the main bridge 1 comprises a bearing bottom surface and a supporting vertical surface, the supporting vertical surface is symmetrically arranged on two sides of the bearing bottom surface, the supporting vertical surface is perpendicular to the bearing bottom surface, tracks matched with movable support legs 5 and driving frames 6 are arranged at the top and the bottom of the supporting vertical surface, the movable support legs 5 and the driving frames 6 can radially slide on the supporting vertical surface, the driving assembly 9 is arranged on the outer side surface of the supporting vertical surface, the driving assembly 9 drives the movable support legs 5 and the driving frames 6 to move through chains 93, the fixed support legs 4 are arranged on the main bridge 1 close to the rear approach bridge 3, the traveling wheel mechanism 8 is arranged on the main axle 1 close to the front approach axle 2, the transverse moving mechanism 10 is arranged at the rear side position of the traveling wheel mechanism 8, the movable supporting legs 5 are provided with connecting supports 56, and the movable supporting legs 5 can be connected with the driving frame 6 through the connecting supports 56.

Through the above setting, the landing stage is when removing, at first through the shrink of hydraulic stem with preceding access 2 and back access 3, fixed landing leg 4 and sideslip mechanism 10 are whole landing stage atress this moment, couple together driving frame 6 and movable landing leg 5 through linking bridge 56, driving frame 6 is under drive assembly 9's drive, remove earlier, thereby driving frame 6 drives movable landing leg 5 and removes the seesaw, when moving to the assigned position, put down movable landing leg 5, and break off driving frame 6 and movable landing leg 5's being connected, main stress point is atress respectively by sideslip mechanism 10 and movable landing leg 5 this moment, control running wheel mechanism 8 and ground contact, conversion atress strong point is running wheel mechanism 8 and movable landing leg 5, then drive assembly 9. The whole forward movement of drive landing stage, this landing stage walking mode and fixed mode conversion are convenient, and the switching step is simple, and is consuming time still less to the mobility can be better.

The driving assembly 9 comprises a driving motor 91, a speed reducer, a chain 93, a chain wheel, a chain supporting wheel 95 and a chain 93 shield; the speed reducing motor is embedded in the outer side face of the supporting vertical face, the driving motor 91 is connected with the output end of the speed reducer, the speed reducing motor controls the speed of the driving motor 91, the chain wheels comprise a first chain wheel and a second chain wheel, the first chain wheel is arranged on the output shaft of the driving motor 91, the second chain wheel is symmetrically arranged on the rear end portion of the supporting vertical face along the center of the supporting vertical face, the chain 93 is arranged around the first chain wheel and the second chain wheel, two end portions of the chain 93 are respectively hinged with the driving frame 6, the chain 93 is driven to move along one direction through the rotation of the driving motor 91, and the chain 93 drives the driving frame 6 to move left and right on the supporting vertical face; the chain supporting wheel 95 comprises an upper supporting wheel of the chain 93 and a lower supporting wheel of the chain 93, the upper supporting wheel of the chain 93 is arranged at a position between the upper end part and the lower end part of the annular chain 93, the chain 93 at the upper end part is limited by the upper supporting wheel of the chain 93, the lower supporting wheel of the chain 93 is arranged at the lower side position of the lower end of the annular chain 93, the chain 93 passes through the upper part of the lower supporting wheel of the chain 93, the movement directionality of the chain 93 is smoother and less blocked through the chain supporting wheel 95, and the mechanical power loss of the driving motor 91 is less due to the supporting and limiting effects of the chain supporting wheel 95, so that the electric energy is saved; chain 93 guard shield sets up the top position of supporting wheel on the chain 93, and the chain 93 guard shield is protected chain 93, prevents that the grit piece from entering into chain 93, influences work efficiency, has reduced the probability that driving motor 91 broke down.

The traveling wheel mechanism 8 comprises a support column 81, a hydraulic cylinder 106, a telescopic column 83, a rolling wheel 84 and a roller cover 85, the support column 81 is fixedly connected with the main axle 1, the hydraulic cylinder 106 is arranged in the support column 81, the hydraulic cylinder 106 drives the telescopic column 83 to ascend or descend, the roller cover 85 is arranged below the telescopic column 83, the roller cover 85 is fixedly connected with the bottom position of the telescopic column 83, the rolling wheel 84 is arranged in the roller cover 85, a rolling shaft is arranged on the roller cover 85, the rolling wheel 84 penetrates through the rolling shaft and is fixed in the roller cover 85, the roller cover 85 provides protection and support for the rolling wheel 84, when the rolling wheel 84 needs to be used for moving, the hydraulic cylinder 106 is controlled to extend the telescopic column 83, so that the rolling wheel 84 is in contact with the ground, the rolling shaft is a main stress body at the moment, the roller cover 85 is made of reinforced steel, after the rolling wheel 84 contacts the ground, the driving motor 91 drives the chain 93, thereby moving the rolling wheel 84 forward.

In another embodiment, the traveling wheel mechanism 8 includes a supporting column 81, a hydraulic cylinder 106, a telescopic column 83, a rolling wheel 84, a hydraulic motor 86 and a wheel cover 85, the supporting column 81 is fixedly connected with the main axle 1, the hydraulic cylinder 106 is disposed in the supporting column 81, the hydraulic cylinder 106 drives the telescopic column 83 to ascend or descend, the wheel cover 85 is disposed below the telescopic column 83, the wheel cover 85 is fixedly connected with the bottom position of the telescopic column 83, the rolling wheel 84 is disposed in the wheel cover 85, a rolling shaft is disposed on the wheel cover 85, the rolling wheel 84 penetrates through the rolling shaft and is fixed in the wheel cover 85, the hydraulic motor 86 is fixed inside the wheel cover 85, a gear groove is disposed on the rolling wheel 84, an output shaft of the hydraulic motor 86 is engaged with the gear groove on the rolling wheel 84, the hydraulic motor 86 drives the rolling wheel 84 to move, the wheel cover 85 provides protection and support for the rolling wheel 84, when the rolling wheel 84 needs to be used for moving, the hydraulic cylinder 106 is controlled to extend the telescopic column 83, so that the rolling wheel 84 is in contact with the ground, the rolling shaft is a main stress body, the rolling wheel cover 85 is made of reinforced steel, and after the rolling wheel 84 is in contact with the ground, the hydraulic motor 86 drives the rolling wheel 84 to move forwards. In this embodiment, the removal of landing stage relies on hydraulic motor 86 to drive, has reduced driving motor 91's consumption, has reduced the load of chain 93 simultaneously, drives through the hydraulic motor 86 of front end, makes the walking more firm.

The driving frame 6 is integrally U-shaped, the driving frame 6 wraps the bearing bottom surface and the 2 supporting vertical surfaces and is in sliding connection with the top of the supporting vertical surfaces through sliding wheels at two end parts, and the driving frame 6 comprises a U-shaped beam 61, a pulley bracket 62, a connecting seat 55, a chain 93 hinged seat 64, an end surface lifting lug 65, a side lifting lug 66 and a lower lifting lug 67; the connecting seat 55 is arranged at the end part of the U-shaped beam 61, the connecting seat 55 is fixedly connected with the U-shaped beam 61, the pulley support 62 is arranged at the end part of the connecting seat 55, the pulley support 62 comprises a fixing frame, pulleys and a fixing shaft, the fixing frame is a U-shaped channel steel, the opening direction of the fixing frame is downwards arranged, the side surface of the fixing frame is fixedly connected with the connecting seat 55, the fixing shaft is arranged at the front end and the rear end of the fixing frame, the pulleys are arranged in the fixing clamp through the fixing shaft, the opening surface of the fixing frame is in sliding connection with the track groove of the supporting vertical surface through the pulleys, the driving frame 6 is sleeved on the track groove of the supporting vertical surface through the two pulley supports 62, the driving frame 6 is stably arranged on the track groove through the four pulleys, the hinged seat 64 of the chain 93 is arranged on the inner side surface of the vertical plate of the U-shaped beam 61, the chain 93 is hinged with the hinge seat 64 of the chain 93, and the driving mechanism pulls the chain 93 to drive the driving frame 6; the end face lifting lug 65 is arranged on the plate wall of the vertical plate of the U-shaped beam 61, the height position of the end face lifting lug 65 is the same as that of the hinged seat 64 of the chain 93, the end face lifting lug 65 is connected with the movable supporting leg 5 through the connecting bracket 56, and the side lifting lug 66 is arranged on the outer side surface of the vertical plate of the U-shaped beam 61; the side lifting lugs 66 are arranged at the upper end positions on the outer side surfaces of the vertical plates of the U-shaped beam 61, and the side lifting lugs 66 are used for being connected with an external demoulding mechanism to hoist and move the inverted arch; the lower lifting lugs 67 are arranged at the bottom of the U-shaped beam 61, the number of the lower lifting lugs 67 is 2, the lower lifting lugs 67 are arranged at the bottom of the U-shaped beam 61, the lower lifting lugs 67 can be connected with modules of an external central ditch, and the modules of the central ditch are lifted and moved through the lower lifting lugs 67.

The device is provided with a movable support leg 5 for supporting during the movement of the trestle, wherein the movable support leg 5 comprises a telescopic leg 51, a connecting cross beam 52, an upper pulley bracket 53, a lower pulley bracket 54, a connecting seat 55 and a connecting bracket 56; the connecting beam 52 is arranged between the two telescopic legs 51, and the telescopic legs 51 comprise a cylinder mounting base 551, a leg telescopic cylinder 512, a fixed cylinder 513, telescopic legs 514, lengthened legs 515 and leg bases 516; the oil cylinder mounting seat 551 is arranged at the top position of the telescopic leg 51, the fixed cylinder 513 is fixedly connected with the mounting seat, the leg telescopic oil cylinder 512 is arranged inside the fixed cylinder 513, one end of the leg telescopic oil cylinder 512 is connected with the oil cylinder mounting seat 551, the other end of the leg telescopic oil cylinder 512 is connected with the telescopic leg 514, the telescopic leg 514 moves up and down in the fixed cylinder 513 so as to drive the movable leg 5 to ascend or descend integrally, the lengthened leg 515 is arranged at the bottom position of the telescopic leg 514, because the vertical length in the tunnel is longer, in order to reduce the telescopic path of the telescopic oil cylinder, the lengthened leg 515 is arranged, meanwhile, the cross section area at the joint of the lengthened leg 515 and the telescopic leg 514 is larger than that of the lengthened leg 515, so that a partition plate is formed between the telescopic leg 514 and the lengthened leg 515, and the bottom position and the telescopic part, the pollution of the mud or ore of the telescopic supporting leg 514 is reduced, and the situations of damage or blockage of the telescopic oil cylinder and the like caused by the mud or ore are avoided; the leg base is provided at the bottom of the elongated leg 515 to be in firm contact with the ground through the leg base 516.

Connecting beam 52 both ends respectively with the inside wall fixed connection of fixed cylinder 513, connecting seat 55 sets up the medial surface position at fixed cylinder 513 top, upper pulley support 53 passes through connecting seat 55 and is connected with fixed cylinder 513, upper pulley support 53 includes mount, pulley and fixed axle, the mount is "U" style of calligraphy channel-section steel, and the opening direction of mount sets up downwards, the side and the connecting seat 55 fixed connection of mount, the fixed axle sets up both ends around the mount, the pulley passes through the fixed axle setting in the fixation clamp, and the open face of mount passes through pulley and the track groove sliding connection who supports the facade, establishes the upper end cover of activity landing leg 5 on the upper portion track groove that supports the facade through upper pulley support 53.

The lower pulley support 54 sets up on connecting crossbeam 52, and lower pulley support 54 is corresponding with upper pulley support 53's position, lower pulley support 54 sets up respectively on the both sides wall of connecting crossbeam 52, lower pulley support 54 includes fixed sleeve, U-shaped groove and gyro wheel, fixed sleeve and the lateral wall fixed connection of connecting crossbeam 52, the U-shaped groove sets up the terminal position at fixed sleeve, the gyro wheel sets up in the U-shaped groove through a fixed axle, overlaps the lower tip cover of activity landing leg 5 on the lower part track groove of supporting the facade through lower pulley support 54.

The upper pulley support 53 and the lower pulley support 54 are symmetrically arranged respectively, so that the whole movable supporting leg 5 can be stably and quickly arranged and sleeved between the upper pulley and the lower pulley of the main bridge 1, the movable supporting leg 5 can stably and quickly slide in a limiting manner in the rail groove, the connecting support 56 is arranged on the side wall of the fixed drum 513, the connecting support 56 is fixedly connected with the fixed drum 513, the tail end of the connecting support 56 is provided with a strip-shaped hole, the connecting support is connected with the end face lifting lug 65 on the driving frame 6 through the strip-shaped hole, the movable supporting leg 5 is connected with the driving frame 6, and further the operation in one step is realized.

The leg base 516 comprises an upper lug 551, a transitional hinge base 552 and a lower base 553; the upper support lug 551 is fixedly connected with the bottom of the lengthened support leg 515, and the bottom of the upper support lug 551 is provided with a hinge hole and is connected with the transition hinge seat 552 through the hinge hole; articulated seat 552 of transition can swing from top to bottom through the hinge hole, the articulated seat 552 both ends of transition are provided with the hinge bar, base 553 is connected with articulated seat 552 of transition through the hinge bar down, base 553 includes the bearing bottom surface and connects the auricle down, connects the auricle and sets up with the bearing bottom surface is perpendicular, connects the auricle and sets up 2 on the bearing bottom surface, articulates with the hinge bar through connecting the auricle. In the actual construction process, the bottom surface may have uneven or a certain inclination, and then, when the leg base 516 contacts with the uneven ground, the lower base 553 may be adaptively adjusted through the transition hinge base 552, so that the two lower bases 553 can stably contact with the uneven ground, thereby stably bearing force.

The fixed supporting legs 4 are arranged on the main bridge 1 close to the rear approach bridge 3 side, the fixed supporting legs 4 are respectively arranged on the left side and the right side of the main bridge 1, and the fixed supporting legs 4 comprise oil cylinder mounting seats, supporting leg telescopic oil cylinders, fixed cylinders, telescopic supporting legs, lengthened supporting legs and supporting leg seats; the oil cylinder mounting seat is arranged at the top of the telescopic leg, the fixed cylinder is fixedly connected with the mounting seat, the supporting leg telescopic oil cylinder is arranged in the fixed cylinder, one end of the supporting leg telescopic oil cylinder is connected with the oil cylinder mounting seat, the other end of the supporting leg telescopic oil cylinder is connected with the telescopic supporting leg, the telescopic supporting leg moves up and down in the fixed cylinder, thereby driving the movable support legs to ascend or descend integrally, the lengthened support legs are arranged at the bottom positions of the telescopic support legs, and as the vertical length in the tunnel is longer, in order to reduce the telescopic path of the telescopic oil cylinder, therefore, the lengthened supporting leg is arranged, and the cross section area of the joint of the lengthened supporting leg and the telescopic supporting leg is larger than that of the lengthened supporting leg, so that a partition plate is formed between the telescopic supporting leg and the lengthened supporting leg, the bottom position and the telescopic part of the telescopic leg can be distinguished, so that the pollution of slurry or ore of the telescopic leg is reduced, and the situations of damage or blockage of the telescopic oil cylinder and the like caused by the slurry or the ore are avoided; the supporting leg seat is arranged at the bottom of the lengthened supporting leg and is in stable contact with the ground through the supporting leg seat.

In the construction, the position deviation is needed, or the turning operation is needed when the trestle is moved, in the small-range turning operation, the small-range expansion and contraction can be performed by synchronously expanding and contracting the demoulding mechanism connected with the driving frame 6, but when the long-distance deflection is performed, the transverse moving mechanism 10 is arranged at the bottom of the main bridge 1, and the transverse moving or the deflection of the whole trestle is realized through the transverse moving mechanism 10.

The transverse moving mechanism 10 arranged at the front end of the main bridge comprises a stress column 101, a supporting cross beam 102, a connecting base 103, a rolling mechanism 104, an auxiliary bearing column 105 and a hydraulic cylinder 106; the stress columns 101 are arranged at the outer position of a supporting vertical surface of the main bridge 1, the distance between the two stress columns 101 is larger than the width of the supporting cross beam 102, the supporting cross beam 102 is fixedly connected with the stress columns 101, the rolling mechanism 104 is arranged at the joint of the supporting cross beam 102 and the stress columns 101, the rolling mechanism 104 is in contact with the bottom surface of the supporting vertical surface, the whole trestle is moved leftwards or rightwards through rolling wheels 84 in the rolling mechanism 104, the connecting base 103 is arranged at the bottom position of the supporting vertical surface, the connecting base 103 is arranged around the supporting cross beam 102, the main bridge 1 and the cross beam are movably connected into a whole through the connecting base 103, and the connecting base 103 limits the direction of the trestle, so that the trestle can only move leftwards and rightwards under the rotation of the rolling mechanism 104; the auxiliary bearing column 105 is arranged at the bottom of the supporting beam 102, and the auxiliary bearing column 105 shares the weight of the bearing column 101, so that the transverse moving process is stable; the hydraulic cylinder 106 is arranged between the top of the supporting beam 102 and the bottom of the main bridge 1, the hydraulic cylinder 106 is transversely arranged, one end of the hydraulic cylinder 106 is hinged to the top of the supporting beam 102, the other end of the hydraulic cylinder 106 is hinged to a main beam at the bottom of the main bridge 1, the trestle is transversely moved by contraction or extension of the hydraulic cylinder 106, and in the device, the hydraulic cylinder 106 or the rolling mechanism 104 can simultaneously operate to transversely move the trestle.

The rolling mechanism 104 comprises a rolling wheel 84, a fixed plate and a rolling shaft; the fixing plates are fixedly connected with the stress column 101 and the supporting beam 102, the rolling shaft is arranged between the two fixing plates, and the rolling wheel 84 is arranged in the fixing plates.

The transverse moving mechanism arranged at the rear end of the main bridge comprises a moving mechanism which comprises a supporting beam, a connecting base, a rolling mechanism and a hydraulic cylinder; the supporting cross beam is connected with the fixed supporting legs, the rolling mechanism is arranged at the connecting position of the supporting cross beam and the fixed supporting legs, the rolling mechanism is in contact with the bottom surface of the supporting vertical surface, the whole trestle is moved leftwards or rightwards through rolling wheels in the rolling mechanism, the connecting base is arranged at the bottom of the supporting vertical surface and is arranged around the supporting cross beam, the main bridge and the cross beam are movably connected into a whole through the connecting base, and the connecting base limits the direction of the trestle, so that the trestle can only move leftwards and rightwards under the rotation of the rolling mechanism; the pneumatic cylinder sets up between the bottom of supporting beam top and main bridge, and the pneumatic cylinder transversely sets up, and pneumatic cylinder one end is articulated with the supporting beam top, and the other end is articulated with the girder of main bridge bottom, realizes the sideslip of landing stage through the shrink or the extension of pneumatic cylinder, and in this device, can carry out the sideslip to the landing stage through pneumatic cylinder or rolling mechanism simultaneous operation, rear side sideslip mechanism need cooperate the movable landing leg synergism to accomplish continuous sideslip operation when carrying out the sideslip.

When translation is needed, the stress column 101 of the transverse moving mechanism at the front end of the main bridge is in contact with the ground, the gravity center is completely applied to the stress column 101 and the auxiliary bearing column 105, at the moment, the translation of the trestle is realized by controlling the hydraulic cylinder 106 to extend and simultaneously matching with the rolling mechanism 104, and the maximum distance of single translation is the distance between the auxiliary bearing column 105 and the stress column 101; when long-distance translation is needed, after the first translation operation, the traveling wheel mechanism 8 is extended to enable the traveling wheel mechanism 8 to be in contact with the ground, the center of gravity of the trestle is completely born by the traveling wheel mechanism 8 at the moment, the hydraulic cylinder 106 is contracted to move the supporting beam 102 to a single direction, then the height of the traveling wheel mechanism 8 is contracted to enable the stress column 101 and the auxiliary bearing column 105 to be in contact with the ground again, and the steps are repeated to realize one-step translation.

The sideslip mechanism cooperation front end sideslip mechanism of main bridge rear end realizes, when the sideslip mechanism is carrying out the sideslip, rear side sideslip mechanism passes through fixed landing leg and ground contact under the cooperation of crossbeam, realize first step sideslip to the main bridge through the extension pneumatic cylinder, then through flexible and ground contact with the movable landing leg, make fixed landing leg liftoff, the focus at this moment has the movable landing leg to bear, through the shrink pneumatic cylinder, carry out the sideslip with rear side sideslip mechanism, realize the sideslip of second step, shrink movable landing leg after that, make fixed landing leg and ground contact, realize continuous sideslip at repetition above-mentioned two steps.

There is also usually a provision under the trestle in the prior art

The inverted arch and the central gutter connect the driving frame 6 and the movable leg 5 when it is necessary to move the movable leg 5 forward or backward. When the inverted arch and the central ditch need to be moved, the driving frame 6 and the movable supporting legs 5 are disconnected; the demoulding mechanism is connected with the side lifting lugs 66 on the driving frame 6, and then the inverted arch/central ditch is connected with the driving frame 6 through the demoulding mechanism; the hydraulic cylinder 106 is driven by the demoulding mechanism to demould the inverted arch/central ditch, and the driving chain 93 drives the driving frame 6 to lift the inverted arch/central ditch to move.

The driving frame 6 can be one or two, and is mainly determined by the forms of the inverted arch and the central ditch. The two driving frames 6 can be connected through a chain 93 or can be connected through a bracket, and when the two driving frames 6 are used, the two ends of the chain 93 are respectively connected to the two driving frames 6.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An inverted arch trestle comprises a main bridge, a front approach bridge and a rear approach bridge, wherein the front approach bridge and the rear approach bridge are respectively connected to two ends of the main bridge; the other end of the main bridge is provided with a first longitudinal moving mechanism, the first longitudinal moving mechanism drives the main bridge to move at the other end of the main bridge, and/or the main bridge is provided with a second longitudinal moving mechanism, and when the movable supporting legs support the main bridge, the first longitudinal moving mechanism and/or the second longitudinal moving mechanism drive the movable supporting legs to move so that the main bridge moves; and rolling wheels are arranged when the first longitudinal moving mechanism and/or the second longitudinal moving mechanism move.

2. The inverted arch trestle of claim 1, wherein: the movable landing leg is connected with the main bridge through the driving frame, the longitudinal moving mechanism I is arranged on the main bridge and connected with the driving frame, and the movable landing leg and the main bridge move relatively through driving the driving frame, so that the main bridge moves along the length direction of the main bridge.

3. The inverted arch trestle of claim 2, wherein: the driving frame comprises a U-shaped beam, a pulley bracket, a connecting seat, a chain hinge seat and a lifting lug assembly; the connecting seat is arranged at the end part of the U-shaped beam and is fixedly connected with the U-shaped beam, the pulley bracket is arranged at the end part of the connecting seat, the chain hinge seat is arranged on the inner side surface of the vertical plate of the U-shaped beam, and the height position of the chain hinge seat is matched with the chain; the lifting lug assembly is arranged on the U-shaped beam, and the movable supporting legs are connected with the driving frame through the lifting lug assembly.

4. The inverted arch trestle of claim 1, wherein: the other end of the main bridge is provided with a second longitudinal moving mechanism, the second longitudinal moving mechanism comprises a traveling wheel mechanism and a hydraulic motor, and the hydraulic motor is connected with and drives rolling wheels on the traveling wheel mechanism; the traveling wheel mechanism is connected with the main axle.

5. The inverted arch trestle of claim 1, wherein: the other end of the main bridge is provided with a longitudinal moving mechanism I; the first longitudinal moving mechanism comprises a driving motor, a chain and a travelling wheel mechanism; the driving motor is connected with and drives the chain to drive the movable supporting leg, and the movable supporting leg drives the main axle to move under the matching of the travelling wheel mechanism.

6. The inverted arch trestle of claim 4 or 5, wherein: the walking wheel mechanism comprises a supporting column, a hydraulic cylinder, a telescopic column, rolling wheels and a roller cover, the supporting column is fixedly connected with the main axle, the hydraulic cylinder is arranged in the supporting column, the roller cover is arranged below the telescopic column, the roller cover is fixedly connected with the bottom of the telescopic column, and the rolling wheels are arranged in the roller cover.

7. The inverted arch trestle according to any one of claims 1 to 5, wherein the movable legs comprise telescopic legs, connecting beams, upper sheave supports, lower sheave supports and connecting supports; the connecting beam is arranged between the two telescopic legs, the lower pulley support is arranged on the connecting beam, the lower pulley support corresponds to the upper pulley support in position, the lower pulley support is respectively arranged on two side walls of the connecting beam, and the connecting support is arranged on the telescopic legs; the movable supporting legs are sleeved on the main bridge.

8. The inverted arch trestle according to any one of claims 1 to 5, wherein the bottom of the main bridge is provided with a traversing mechanism, the traversing mechanism is movably connected with the main bridge, the traversing mechanism is provided with a driving assembly, and the traversing mechanism and the main bridge are transversely moved relatively through a driving assembly device.

9. The inverted arch trestle of claim 8, wherein the traversing mechanism comprises a stressed column, a supporting beam, a connecting base, a rolling mechanism, an auxiliary bearing column and a hydraulic cylinder; the rolling mechanism is arranged at the joint of the supporting cross beam and the stressed column, the rolling mechanism is in contact with the bottom surface of the supporting vertical surface, the connecting base is arranged at the bottom of the supporting vertical surface, and the connecting base is arranged around the supporting cross beam; the auxiliary bearing column is arranged at the bottom of the supporting beam; the hydraulic cylinder is arranged between the top of the supporting beam and the bottom of the main bridge, one end of the hydraulic cylinder is hinged with the top of the supporting beam, and the other end of the hydraulic cylinder is hinged with the main beam at the bottom of the main bridge.

10. The inverted arch trestle of claim 9, wherein the rolling mechanism comprises a rolling wheel, a fixed plate and a rolling axle; the fixed plates are fixedly connected with the stress column and the supporting beam, the rolling shaft is arranged between the two fixed plates, and the rolling wheels are arranged in the fixed plates.