CN120350987A - Dynamic adjustable tunnel trolley walking support system based on multi-hydraulic cooperation - Google Patents
Dynamic adjustable tunnel trolley walking support system based on multi-hydraulic cooperationInfo
- Publication number
- CN120350987A CN120350987A CN202510645595.4A CN202510645595A CN120350987A CN 120350987 A CN120350987 A CN 120350987A CN 202510645595 A CN202510645595 A CN 202510645595A CN 120350987 A CN120350987 A CN 120350987A
- Authority
- CN
- China
- Prior art keywords
- transverse
- rod
- frame
- plate
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of tunnel construction equipment, in particular to a dynamic adjustable tunnel trolley walking support system based on multi-hydraulic cooperation, which comprises two groups of fixed bottom bins which are arranged in parallel front and back, wherein each fixed bottom bin comprises a bin body shell, a transverse moving part, a longitudinal walking wheel and a supporting part, the top of the bin body shell is provided with a supporting device, and the tops of the two groups of supporting devices are connected with the same group of top connecting devices. According to the multi-station numerical control glasses frame milling center, the frame size adjusting mechanism in the top connecting device is utilized to drive the transverse connecting beam to flexibly move in the transverse butt-joint beam by the lifting hydraulic cylinder, so that the dynamic adjustment of the whole width of the tunnel trolley is realized, the limitation of the traditional fixed structure is broken through, the trolley can still adjust the size in real time according to the inner space of the tunnel after the assembly is completed, the adaptability to the complex tunnel environment is improved, the preparation work before construction is simplified, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to a dynamic adjustable tunnel trolley walking support system based on multi-hydraulic cooperation.
Background
Along with the rapid development of railway and highway construction, the technical specification requirements of tunnel and culvert construction are higher and higher, so that the requirements of high-efficiency and high-quality construction are guaranteed, meanwhile, the energy-saving and environment-friendly construction concept is advocated, the construction cost is saved, the labor intensity of constructors is reduced, and the movable type operation platform built in the tunnel by the tunnel trolley is widely used by construction units.
The patent of application number CN202210784652.3 discloses a tunnel boring support maintenance system for rock construction, including walking frame and No. two walking frames, walking frame and No. two walking frames all are equipped with two, two walking frames set up in the one side of plummer bottom, two walking frames set up the opposite side in plummer bottom, all be equipped with the strengthening frame between the bottom of two walking frames, no. two walking frames and plummer, utilize a support frame, no. two support frames and backup pad cooperation, support the tunnel boring for rock construction, combine the walking wheel, constitute and support maintenance platform truck, it is nimble to remove, maintain the design of operation security higher, safety cat ladder for equipment is safe from top to bottom, convenience.
However, the traditional dynamic adjustable tunnel trolley traveling support system based on multi-hydraulic cooperation has obvious limitations in construction, firstly, the trolley size is fixed after assembly, the trolley size cannot be dynamically adjusted according to the inner space of a tunnel, so that the construction flexibility is poor, different working conditions are required to be frequently detached or manually interfered and adapted, time and labor are consumed, secondly, the moving, supporting and stabilizing functions are respectively controlled by relying on a plurality of independent hydraulic systems, the equipment cost and the maintenance complexity are increased, an external hydraulic device is required to be additionally configured to ensure the stability of the bottom structure, the operation flow is tedious and the efficiency is low, and in addition, the existing scheme lacks of integrated control during the switching of the moving and fixed states, the quick adjustment and the construction stability are difficult to consider, and the tunnel construction efficiency and the safety are restricted.
In view of this, we propose a dynamically adjustable tunnel trolley walking support system based on multi-hydraulic synergy.
Disclosure of Invention
The invention aims to provide a dynamic adjustable tunnel trolley walking support system based on multi-hydraulic cooperation, which utilizes a lifting hydraulic cylinder to drive a transverse connecting beam to flexibly move in a transverse butt-joint beam through a frame size adjusting mechanism in a top connecting device, and realizes the dynamic adjustment of the whole width of the tunnel trolley so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the dynamic adjustable tunnel trolley walking support system based on multi-hydraulic cooperation comprises two groups of fixed bottom bins which are arranged in parallel front and back, wherein each fixed bottom bin comprises a bin body shell, a transverse moving part, a longitudinal walking wheel and a supporting part, the top of the bin body shell is provided with a supporting device, and the tops of the two groups of supporting devices are connected with the same group of top connecting devices;
The device integrates the transverse moving part, the longitudinal traveling wheels and the supporting parts through the modularized bin body shell, and is matched with the top supporting device and the connecting device to realize the multifunctional integration of traveling, adjusting and fixing of the tunnel trolley.
The supporting device comprises a longitudinal supporting column, a transverse supporting and adjusting part, a double-rod hydraulic cylinder and a connecting transverse plate, wherein the double-rod hydraulic cylinder is arranged at the bottom of the middle longitudinal supporting column and is respectively connected with the transverse moving part and the transverse supporting and adjusting part through telescopic rods;
the double-rod hydraulic cylinder is used as a core, the transverse moving part and the transverse supporting adjusting part are respectively linked through the telescopic rod, and synchronous and accurate control of the lifting, the transverse displacement and the length of the supporting rod of the trolley is realized.
The transverse support adjusting part comprises a movable table, a first connecting rod and a transverse supporting rod, the first connecting rod is rotationally connected with the movable table and the transverse supporting rod, and the double-rod hydraulic cylinder drives the movable table to lift so as to adjust the extension length of the transverse supporting rod;
This setting is used for through the mechanical linkage of movable table and first connecting rod, converts the vertical displacement of hydraulic drive into the horizontal flexible of horizontal bracing piece, and the different tunnel section size demands of quick adaptation.
The top connecting device comprises a top fixing frame, a frame body size adjusting device and a connecting part, wherein the frame body size adjusting device comprises a movable plate in the frame, a second connecting rod, a transverse connecting beam and a lifting hydraulic cylinder, and the lifting hydraulic cylinder drives the movable plate in the frame to lift so as to be linked with the transverse connecting beam to transversely move through the second connecting rod.
The movable plate in the frame is driven to lift by the lifting hydraulic cylinder, the movable plate is linked with the transverse connecting beam to transversely move through the second connecting rod, the whole width of the trolley is dynamically adjusted, and the adaptability to complex working conditions is improved.
According to the technical scheme, the inner side walls at the front end and the rear end of the bin body shell are respectively provided with the same number of bin inner sliding grooves with corresponding positions, the center position of the top surface of the bin body shell is provided with the bin top through grooves which are vertically penetrated, a partition plate is integrally formed between the front inner side wall and the rear inner side wall at the left end and the right end of the bin body shell, the outer side walls at the front end and the rear end of the bin body shell are respectively provided with the rectangular through grooves which are internally and externally penetrated and used for providing a rotating space for the supporting part, and the left end and the right end of the inner top surface of the bin body shell are fixedly connected with longitudinal travelling wheels for the whole device to move in a tunnel through bolts.
The vertical travelling wheel, the transverse moving part and the supporting part are physically isolated through the split cavity type structural design, so that mechanical interference in dynamic operation is reduced, and the accurate grooving process of the chute in the bin and the through slot on the bin top ensures that the vertical movement track of the double-rod hydraulic cylinder is controllable.
In the technical scheme of the invention, the transverse moving part comprises a fixed plate, a plurality of plate body sliding blocks integrally formed on the outer side walls of the front end and the rear end of the fixed plate, a reinforcing support welded and fixed on the bottom surface of the fixed plate, ejector rods welded and fixed on the outer side walls of the left end and the right end of the reinforcing support, and transverse travelling wheels fixedly connected on the bottom surface of the reinforcing support through bolts, wherein the plate body sliding blocks are identical in number, correspond to the sliding grooves in the bin one by one in position and are matched in size, and the top ends of the ejector rods are arc-shaped.
The device ensures that the transverse moving part has no offset in the lifting process through the sliding groove in the bin, and the arc-shaped end surface of the ejector rod is in dynamic contact with the turnover plate, so that the mechanical linkage of a walking-fixing dual mode is realized.
In the technical scheme of the invention, the supporting part comprises a rotating shaft, a turnover plate and a first pressure spring, wherein the two ends of the rotating shaft are rotatably connected to the groove walls at the left end and the right end of the rectangular through groove of the bin body shell, the turnover plate is rotatably connected to the outer side wall of the rotating shaft and is in a bent shape, the first pressure spring is welded and fixed on the transverse plate on the top surface of the turnover plate, and the top end of the first pressure spring is welded and fixed on the inner top surface of the bin body shell.
The hydraulic driving ejector rod displacement is converted into the grounding pressure of the overturning plate, the rotating shaft provides a low-friction rotating fulcrum, the L-shaped overturning plate enlarges the contact area through a lever effect, the pretightening force of the first pressure spring is matched with the stroke of the ejector rod, the overturning plate is ensured to rapidly press the ground during construction, the trolley is prevented from sideslip, the spring is reset and contracted during movement, the abrasion of parts is reduced, and the double optimization of stability and durability is realized.
In the technical scheme of the invention, the longitudinal support column comprises a column body shell fixedly connected to the top surface of the bin body shell through bolts, a transverse fixing rod fixedly welded to the outer side wall of the column body shell and an annular placing plate fixedly welded to the outer side wall of the column body shell near the top position, the outer side wall of the column body shell is provided with a column body through groove which penetrates through the inside and the outside below the transverse fixing rod, and the bottom surface of the transverse fixing rod is provided with a rod bottom chute with a T-shaped longitudinal section.
This kind of setting is through the cylinder logical groove on the cylinder shell, ensures the rigidity bearing capacity of support column, provides accurate direction for movable table and horizontal bracing piece simultaneously, and the board is placed in the annular simplifies the quick location installation of top device, promotes the efficiency of construction.
In the technical scheme of the invention, the transverse section of the movable table is T-shaped and is in sliding connection with the inside of the cylinder shell, the transverse supporting rod is in sliding connection with the inside of a rod bottom chute at the bottom of the transverse fixing rod, two mounting brackets are fixedly welded on the bottom of the transverse supporting rod, a butt joint flat plate is fixedly welded at one end, far away from the movable table, of the outer side wall of the transverse supporting rod, and the top end circular shaft of the first connecting rod is rotationally connected with the inside of the two mounting brackets.
This setting is through the mechanical linkage of movable table and first connecting rod, will be perpendicular displacement to convert into the linear expansion of horizontal bracing piece, and the installing support guarantees to rotate the degree of freedom, and the dull and stereotyped external form board of direct adaptation of butt joint realizes multistation quick adjustment and accurate location.
In the technical scheme of the invention, the double-rod hydraulic cylinder is welded and fixed at a position close to the middle of the top surface of the bin body shell, the top telescopic rod of the double-rod hydraulic cylinder is fixedly connected to the bottom surface of the movable table through a bolt, the bottom telescopic rod of the double-rod hydraulic cylinder passes through the top surface of the bin body shell and is fixedly connected to the top surface of the fixed plate through a bolt, and the top surface of the connecting transverse plate and the bottom surfaces of the outer wall brackets of the movable table are welded and fixed.
This setting is through the independent two output shaft designs of double-rod pneumatic cylinder, synchronous drive movable table goes up and down and fixed plate displacement, and the linkage control of many bracing pieces is realized to the connection diaphragm, ensures the symmetrical extension of overall structure when the template is installed, is showing and is promoting regulation precision and operation uniformity.
In the technical scheme of the invention, the top fixing frame comprises a frame body shell, a plurality of transverse butt joint beams welded and fixed on the outer side walls of the front end and the rear end of the frame body shell, and an inclined support frame welded and fixed between the outer side walls of the frame body shell and the top surfaces of the transverse butt joint beams, wherein the outer side walls of the front end and the rear end of the frame body shell are provided with a plurality of frame wall through grooves which are internally and externally communicated and are linearly distributed.
The device improves the bending and twisting resistance of the top frame through the composite design of the frame body shell and the inclined supporting frame, ensures that the vertical-horizontal bidirectional movement track of the connecting seat and the transverse connecting beam is controllable and provides a stable foundation for dynamic size adjustment.
According to the technical scheme, the movable plate in the frame is slidably connected in the frame body shell, a plurality of connecting seats which are in linear arrangement are fixedly connected to the top surface of the movable plate in the frame through bolts, the other end of the second connecting rod is rotatably connected in the transverse connecting beam top surface support, the transverse connecting beam is slidably connected in the transverse butt beam, the lifting hydraulic cylinder is fixedly connected to the inner bottom surface of the frame body shell through bolts, the top end of the lifting hydraulic cylinder is fixedly connected with the bottom surface of the movable plate in the frame through bolts, a plurality of second pressure springs which are regularly distributed are fixedly welded to the bottom surface of the movable plate in the frame, and the other end of the second pressure spring is fixedly welded to the inner bottom surface of the frame body shell.
The vertical driving force of the lifting hydraulic cylinder is converted into horizontal displacement of the transverse connecting beam, the second connecting rod is used as a motion transmission medium, the second pressure spring balances load fluctuation, stability and precision of the size adjusting process are ensured, and the requirement of complex change of the tunnel section is met.
In the technical scheme of the invention, the connecting part comprises a plurality of square butt-joint frames which are respectively linear and a plurality of connecting brackets which are welded and fixed between two adjacent groups of square butt-joint frames, the inner space of each square butt-joint frame is matched with the outer dimension of the cylinder shell, and the cross section dimension of the bottom of each square butt-joint frame is matched with the cross section dimension of the annular placing plate.
The modular square butt joint frame and the standardized connecting support are matched, so that the top and the supporting device are quickly inserted and installed.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. According to the multi-station numerical control glasses frame milling center, the frame size adjusting mechanism in the top connecting device is utilized to drive the transverse connecting beam to flexibly move in the transverse butt-joint beam by the lifting hydraulic cylinder, so that the dynamic adjustment of the whole width of the tunnel trolley is realized, the limitation of the traditional fixed structure is broken through, the trolley can still adjust the size in real time according to the inner space of the tunnel after the assembly is completed, the adaptability to the complex tunnel environment is improved, the preparation work before construction is simplified, and the operation efficiency is improved.
2. The multi-station numerical control glasses frame milling center adopts an integrated design of a double-rod hydraulic cylinder, and controls lifting of a transverse moving part and expansion and contraction of a transverse supporting rod through a single cylinder. Realize the small circle removal of platform truck when horizontal walking wheel contacts ground, and guarantee the firm of bottom structure through the cooperation of ejector pin and upset board at the construction stage, this scheme of integrating need not additionally to dispose hydraulic equipment, has both reduced manufacturing cost, has reduced the operation complexity again, has strengthened the quick switching capability of platform truck between removal and fixed state simultaneously, compromise high-efficient construction and safety and stability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view showing the structure of a fixed bottom bin in the invention;
FIG. 3 is a schematic view of the structure of the shell of the bin body in the invention;
FIG. 4 is a schematic view of a cross-sectional structure of a lateral shifting portion according to the present invention;
FIG. 5 is a schematic view of the structure of the support part according to the present invention;
FIG. 6 is a schematic view of a supporting device according to the present invention;
FIG. 7 is a schematic view of a longitudinal support column according to the present invention;
FIG. 8 is a schematic view of a portion of a support device according to the present invention;
FIG. 9 is a schematic view showing the structure of the lateral support adjusting part in the present invention;
FIG. 10 is a schematic view of the top connection device of the present invention;
FIG. 11 is a schematic view of a top mounting frame according to the present invention;
FIG. 12 is a schematic view of a frame size adjusting device according to the present invention;
FIG. 13 is a schematic view of a connecting portion according to the present invention;
Reference numerals illustrate:
100. The device comprises a fixed bottom bin, a bin body shell, 111, a bin inner chute, 112, a bin top through groove, 113, a separation plate, 120, a transverse moving part, 121, a fixed plate, 122, a plate body sliding block, 123, a reinforcing bracket, 124, a push rod, 125, a transverse travelling wheel, 130, a longitudinal travelling wheel, 140, a supporting part, 141, a rotating shaft, 142, a turnover plate, 143 and a first pressure spring;
200. The device comprises a supporting device, 210, a longitudinal supporting column, 211, a column shell, 2110, a column through groove, 212, a transverse fixing rod, 213, an annular placing plate, 220, a transverse supporting adjusting part, 221, a movable table, 222, a first connecting rod, 223, a transverse supporting rod, 224, a mounting bracket, 225, a butt joint flat plate, 230, a double-rod hydraulic cylinder and 240, a connecting transverse plate;
300. The device comprises a top connecting device, 310, a top fixing frame, 311, a frame shell, 3110, a frame wall through groove, 312, a transverse butt joint beam, 313, an inclined support frame, 320, a frame size adjusting device, 321, a frame inner movable plate, 322, a connecting seat, 323, a second connecting rod, 324, a transverse connecting beam, 325, a lifting hydraulic cylinder, 326, a second pressure spring, 330, a connecting part, 331, a square butt joint frame and 332, and a connecting support.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-13, the present invention provides a technical solution:
The dynamic adjustable tunnel trolley walking support system based on multi-hydraulic cooperation comprises two groups of fixed bottom cabins 100 which are arranged in parallel front and back, wherein each fixed bottom cabin 100 comprises a cabin body shell 110, a transverse moving part 120, a longitudinal traveling wheel 130 and a support part 140, the top of the cabin body shell 110 is provided with a support device 200, and the tops of the two groups of support devices 200 are connected with the same group of top connecting devices 300;
Referring to fig. 2-5, in this embodiment, inner side walls at front and rear ends of a housing 110 are provided with the same number of inner sliding grooves 111 in corresponding positions, a top through groove 112 is provided at a central position of a top surface of the housing 110, a partition plate 113 is integrally formed between the front and rear inner side walls at left and right ends of the housing 110, outer side walls at front and rear ends of the housing 110 are provided with rectangular through grooves which are internally and externally penetrated and used for providing a rotation space for a supporting portion 140, and the left and right ends of the inner top surface of the housing 110 are fixedly connected with longitudinal travelling wheels 130 for moving the whole device in a tunnel through bolts.
Specifically, the lateral moving portion 120 includes a fixing plate 121, a plurality of plate body sliding blocks 122 integrally formed on outer sidewalls of front and rear ends of the fixing plate 121, a reinforcing bracket 123 welded and fixed on a bottom surface of the fixing plate 121, a push rod 124 welded and fixed on outer sidewalls of left and right ends of the reinforcing bracket 123, and a lateral travelling wheel 125 fixedly connected on the bottom surface of the reinforcing bracket 123 through bolts, where the number of the plate body sliding blocks 122 is the same as that of the inner grooves 111 in the bin, the positions are in one-to-one correspondence, and the sizes are matched, and the top ends of the push rod 124 are arc-shaped.
Further, the supporting portion 140 includes a rotation shaft 141 with two ends rotatably connected to the groove walls at the left and right ends of the rectangular through groove of the bin housing 110, a turnover plate 142 rotatably connected to the outer side wall of the rotation shaft 141 and having a bent shape, and a first pressure spring 143 welded and fixed to the top transverse plate of the turnover plate 142, and the top end of the first pressure spring 143 is welded and fixed to the inner top surface of the bin housing 110.
Further, the cabin body housing 110 is used for providing a placing space for the lateral moving part 120, the longitudinal travelling wheel 130 and the supporting part 140, the cabin inner chute 111 is used for facilitating the overall up-and-down movement of the lateral moving part 120, the cabin top through chute 112 is used for providing a telescopic section for the telescopic rod at the bottom of the double-rod hydraulic cylinder 230 in the supporting device 200, and the partition plate 113 is used for separating the independent storage space of the longitudinal travelling wheel 130.
The arrangement physically isolates the longitudinal travelling wheel 130, the transverse moving part 120 and the supporting part 140 through the split-cavity structural design, reduces mechanical interference in dynamic operation, ensures accurate grooving process of the inner sliding groove 111 and the top through groove 112, and ensures that the vertical movement track of the double-rod hydraulic cylinder 230 is controllable.
Further, the fixing plate 121 and the reinforcing bracket 123 are used for ensuring the strength of the overall structure of the lateral moving part 120, the plate body sliding block 122 is used for cooperating with the chute 111 in the bin to limit the up-down moving position of the lateral moving part 120, the ejector rod 124 is used for changing the relative position of the turning plate 142 in the supporting part 140, and the lateral travelling wheel 125 is used for facilitating the small-range lateral movement of the overall structure.
This arrangement ensures that the lateral movement portion 120 is free from offset during lifting by the in-bin sliding groove 111, and the arcuate end surface of the ejector rod 124 is in dynamic contact with the flipping plate 142, thereby achieving "walk-fix" dual-mode mechanical linkage.
Further, the rotation shaft 141 serves to provide a rotation base point for the inversion plate 142, the inversion plate 142 serves to secure stability of the whole tunnel trolley at the time of construction, and the first pressure spring 143 serves to limit a fixed position of the inversion plate 142.
This arrangement converts the displacement of the hydraulically driven ejector rod 124 into the ground pressure of the turnover plate 142, the rotation shaft 141 provides a low friction rotation fulcrum, the L-shaped turnover plate 142 enlarges the contact area by the lever effect, the pretightening force of the first pressure spring 143 matches with the stroke of the ejector rod, the turnover plate 142 is ensured to press the ground rapidly during construction, the trolley is prevented from sideslip, the spring is reset and contracted during movement, the abrasion of parts is reduced, and the dual optimization of stability and durability is realized.
Referring to fig. 6-9, in the present embodiment, the supporting device 200 includes a longitudinal support column 210, a transverse support adjusting portion 220, a dual-rod hydraulic cylinder 230 and a connecting cross plate 240, wherein the dual-rod hydraulic cylinder 230 is disposed at the bottom of the middle longitudinal support column 210 and is respectively connected to the transverse moving portion 120 and the transverse support adjusting portion 220 through telescopic rods.
Specifically, the longitudinal support column 210 includes a column housing 211 fixedly connected to the top surface of the bin housing 110 by a bolt, a transverse fixing rod 212 welded and fixed to the outer side wall of the column housing 211, and an annular placement plate 213 welded and fixed to the outer side wall of the column housing 211 near the top, wherein an inner and outer through column through groove 2110 is formed in the outer side wall of the column housing 211 below the transverse fixing rod 212, and a bottom chute with a T-shaped longitudinal section is formed in the bottom surface of the transverse fixing rod 212.
Further, the lateral support adjusting part 220 includes a movable table 221, a first link 222 and a lateral support bar 223, the first link 222 rotatably connects the movable table 221 and the lateral support bar 223, and the dual-bar hydraulic cylinder 230 drives the movable table 221 to be lifted to adjust an extension length of the lateral support bar 223.
Further, the transverse section of the movable table 221 is T-shaped and is slidably connected in the cylinder housing 211, the transverse support rod 223 is slidably connected in the bottom chute of the bottom surface of the transverse fixing rod 212, two mounting brackets 224 are welded and fixed on the bottom surface of the transverse support rod 223, a butt-joint flat plate 225 is welded and fixed on one end, far away from the movable table 221, of the outer side wall of the transverse support rod 223, and the top end circular shaft of the first connecting rod 222 is rotatably connected with the inside of the two mounting brackets 224.
Further, the double-rod hydraulic cylinder 230 is welded and fixed at a position close to the middle of the top surface of the bin body housing 110, the top telescopic rod of the double-rod hydraulic cylinder 230 is fixedly connected to the bottom surface of the movable table 221 through bolts, the bottom telescopic rod of the double-rod hydraulic cylinder 230 passes through the top surface of the bin body housing 110 and is fixedly connected to the top surface of the fixed plate 121 through bolts, and the top surface of the connecting transverse plate 240 is welded and fixed to the bottom surfaces of the outer wall supports of the plurality of movable tables 221.
Further, the column housing 211 is used to ensure the strength of the overall structure of the longitudinal support column 210, the column through groove 2110 is used to provide the up-and-down movement area for the movable table 221, the bottom sliding groove formed at the bottom of the transverse fixing rod 212 is used to provide the movement area for the transverse support rod 223, and the annular placement plate 213 is used to facilitate the placement of the top connecting device 300.
This arrangement ensures the rigid load-bearing capacity of the longitudinal support column 210 through the column through-slots 2110 in the column housing 211 while providing accurate guidance for the movable floor 221 and the lateral support bar 223, and the annular placement plate 213 simplifies the quick positioning installation of the top device, improving construction efficiency.
Further, the up and down movement of the movable stage 221 is matched with the first link 222 to enable the transverse support rod 223 to move in parallel in the transverse fixing rod 212, the mounting bracket 224 is used for providing a rotation base point for the top end of the first link 222, and the docking plate 225 is used for providing a mounting platform for the template.
This arrangement converts vertical displacement into linear expansion of the transverse support bar 223 through mechanical linkage of the movable table 221 and the first connecting rod 222, the mounting bracket 224 ensures rotational freedom, the docking plate 225 is directly adapted to an external template, and multi-station rapid adjustment and accurate positioning are realized.
Further, the double-rod hydraulic cylinder 230 is externally connected with a power supply to control the up-and-down movement of the movable table 221 and the fixed plate 121, and the connecting cross plate 240 is used for connecting the plurality of groups of movable tables 221, so that the plurality of groups of cross support rods 223 can change the relative positions at the same time.
This setting is through the independent two output shaft designs of double-pole pneumatic cylinder 230, synchronous drive movable table 221 lift and fixed plate 121 displacement, and the linkage control of a plurality of horizontal bracing pieces 223 is realized to connection diaphragm 240, ensures the symmetrical extension of overall structure when the template is installed, is showing and is promoting regulation precision and operation uniformity.
Referring to fig. 10-13, in the present embodiment, the top connecting device 300 includes a top fixing frame 310, a frame size adjusting device 320 and a connecting portion 330, wherein the frame size adjusting device 320 includes an in-frame movable plate 321, a second connecting rod 323, a transverse connecting beam 324 and a lifting hydraulic cylinder 325, and the lifting hydraulic cylinder 325 drives the in-frame movable plate 321 to lift and move transversely by the second connecting rod 323.
Specifically, the top fixing frame 310 includes a frame housing 311, a plurality of transverse butt-joint beams 312 welded and fixed on the outer side walls of the front and rear ends of the frame housing 311, and an inclined support 313 welded and fixed between the outer side walls of the frame housing 311 and the top surfaces of the transverse butt-joint beams 312, and a plurality of frame wall through grooves 3110 which are internally and externally penetrated and are linearly distributed are formed on the outer side walls of the front and rear ends of the frame housing 311.
Further, the movable plate 321 in the frame is slidably connected to the inside of the frame shell 311, the top surface of the movable plate 321 in the frame is fixedly connected with a plurality of connecting seats 322 in linear arrangement, the other end of the second connecting rod 323 is rotatably connected to the inside of the top surface bracket of the transverse connecting beam 324, the transverse connecting beam 324 is slidably connected to the inside of the transverse butt beam 312, the lifting hydraulic cylinder 325 is fixedly connected to the bottom surface inside the frame shell 311 through a bolt, the top end of the lifting hydraulic cylinder 325 is fixedly connected to the bottom surface of the movable plate 321 in the frame through a bolt, a plurality of second pressure springs 326 in regular distribution are welded and fixed to the bottom surface of the movable plate 321 in the frame, and the other end of the second pressure springs 326 is welded and fixed to the bottom surface inside the frame shell 311.
Further, the connection portion 330 includes a plurality of square butt-joint frames 331 with linear and separate shapes, and a plurality of connection brackets 332 welded and fixed between two adjacent sets of square butt-joint frames 331, the inner space of the square butt-joint frames 331 is adapted to the outer dimension of the column housing 211, and the cross-sectional dimension of the bottom of the square butt-joint frames 331 is adapted to the cross-sectional dimension of the annular placement plate 213.
Further, the frame housing 311 is used to ensure the strength of the overall structure of the top fixing frame 310, the frame wall through slot 3110 is used to provide a vertical moving section for the connecting base 322, the transverse butt beam 312 is used to provide a moving platform for the transverse connecting beam 324, and the inclined support 313 is used to further ensure the strength of the overall structure of the top fixing frame 310.
The arrangement improves the bending and twisting resistance of the top frame through the composite design of the frame body shell 311 and the inclined supporting frame 313, ensures that the vertical-horizontal bidirectional movement track of the connecting seat 322 and the transverse connecting beam 324 is controllable through the precise processing technology of the frame wall through groove 3110 and the transverse butt beam 312, and provides a stable foundation for dynamic size adjustment.
Further, the in-frame movable plate 321 is configured to provide a mounting platform for the connection base 322, the second connecting rod 323 is configured to drive the position of the transverse connection beam 324 to change along with the change of the position of the connection base 322, the lifting hydraulic cylinder 325 is configured to change the position of the in-frame movable plate 321 after being connected to an external power supply, and the second pressure spring 326 is configured to assist the lifting hydraulic cylinder 325 to control the movement of the position of the in-frame movable plate 321.
In this arrangement, the vertical driving force of the lifting hydraulic cylinder 325 is converted into the horizontal displacement of the transverse connecting beam 324, the second connecting rod 323 is used as a motion transmission medium, the second pressure spring 326 balances the load fluctuation, ensures the stability and the precision of the size adjustment process, and adapts to the complex change requirement of the tunnel section.
Further, the square docking frame 331 is used to facilitate the installation between the top connecting device 300 and the supporting device 200, and the connecting bracket 332 is used to connect the plurality of sets of square docking frames 331 to ensure the strength of the overall structure of the connecting portion 330.
This arrangement allows for a quick plug-in installation of the top and support device 200 through the mating design of the modular square docking frame 331 and standardized connection brackets 332.
Finally, it should be noted that, the dual-rod hydraulic cylinder 230 and the lifting hydraulic cylinder 325 in the present invention are all universal standard components or components known to those skilled in the art, the structure and principle thereof are all known by those skilled in the art or by routine experimental methods, at the idle position of the present device, the dual-rod hydraulic cylinder 230 and the lifting hydraulic cylinder 325 are connected with an external power source, the specific connection means should refer to the working principle in the present invention, the electrical connection between the electrical components is completed according to the working sequence, and the detailed connection means are all known in the art.
When the multi-hydraulic-cooperation-based dynamic adjustable tunnel trolley traveling support system is used, firstly, according to the size of a tunnel to be constructed, a double-rod hydraulic cylinder 230 in a support device 200 is started, a telescopic rod at the bottom of the double-rod hydraulic cylinder 230 is controlled to move downwards, and after a transverse traveling wheel 125 in a transverse moving part 120 is completely contacted with the ground, the double-rod hydraulic cylinder 230 is closed;
Then, starting a lifting hydraulic cylinder 325 in a frame body size adjusting device 320 in the top connecting device 300, driving a movable plate 321 in the frame to integrally move upwards, thereby driving the position of a second connecting rod 323 to change, further changing the relative position of a transverse connecting beam 324 in the transverse butt beam 312, closing the lifting hydraulic cylinder 325 until the relative distance between two fixed bottom bins 100 at two ends is matched with the size of a tunnel to be constructed, starting a telescopic rod at the bottom of a double-rod hydraulic cylinder 230 to move upwards, and closing after the longitudinal travelling wheel 130 is fully contacted with the ground;
When the tunnel trolley needs to be provided with an external template, the telescopic rod at the top of the double-rod hydraulic cylinder 230 is controlled to move to drive the movable table 221 to move in the column through groove 2110, so that the relative position of the first connecting rod 222 is changed, the extension length of the transverse supporting rod 223 is changed, and the double-rod hydraulic cylinder 230 is closed after the appointed requirement is met;
When the trolley is required to be integrally fixed in pouring or maintenance construction in the follow-up process, the telescopic rod at the bottom of the double-rod hydraulic cylinder 230 moves upwards, so that the ejector rod 124 in the transverse moving part 120 is driven to move upwards, the relative positions of the two overturning plates 142 in the supporting part 140 are changed, and the double-rod hydraulic cylinder 230 is closed when the transverse plate at the bottom of the overturning plate 142 is fully contacted with the ground, so that the stability of the bottom structure of the whole device can be ensured.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The dynamic adjustable tunnel trolley walking support system based on multi-hydraulic cooperation comprises two groups of fixed bottom bins (100) which are arranged in parallel front and back, and is characterized in that each fixed bottom bin (100) comprises a bin body shell (110), a transverse moving part (120), longitudinal travelling wheels (130) and a support part (140), a support device (200) is arranged at the top of the bin body shell (110), and the tops of the two groups of support devices (200) are connected with the same group of top connecting devices (300);
the supporting device (200) comprises a longitudinal supporting column (210), a transverse supporting and adjusting part (220), a double-rod hydraulic cylinder (230) and a connecting transverse plate (240), wherein the double-rod hydraulic cylinder (230) is arranged at the bottom of the middle longitudinal supporting column (210) and is respectively connected with the transverse moving part (120) and the transverse supporting and adjusting part (220) through telescopic rods;
The transverse support adjusting part (220) comprises a movable table (221), a first connecting rod (222) and a transverse support rod (223), the movable table (221) and the transverse support rod (223) are rotatably connected by the first connecting rod (222), and the double-rod hydraulic cylinder (230) drives the movable table (221) to lift so as to adjust the extension length of the transverse support rod (223);
The top connecting device (300) comprises a top fixing frame (310), a frame body size adjusting device (320) and a connecting part (330), wherein the frame body size adjusting device (320) comprises a frame inner movable plate (321), a second connecting rod (323), a transverse connecting beam (324) and a lifting hydraulic cylinder (325), and the lifting hydraulic cylinder (325) drives the frame inner movable plate (321) to lift so as to be linked with the transverse connecting beam (324) to move transversely through the second connecting rod (323).
2. The multi-hydraulic-cooperation-based dynamic adjustable tunnel trolley traveling support system as claimed in claim 1, wherein the inner side walls at the front end and the rear end of the bin body shell (110) are provided with bin inner sliding grooves (111) with the same number and corresponding positions, the center position of the top surface of the bin body shell (110) is provided with bin top through grooves (112) which are penetrated up and down, partition plates (113) are integrally formed between the front inner side wall and the rear inner side wall at the left end and the right end of the bin body shell (110), the outer side walls at the front end and the rear end of the bin body shell (110) are provided with rectangular through grooves which are penetrated up and down and used for providing a rotating space for the supporting part (140), and the left end and the right end of the inner top surface of the bin body shell (110) are fixedly connected with longitudinal traveling wheels (130) for moving the whole device in a tunnel through bolts.
3. The dynamically adjustable tunnel trolley traveling support system based on multi-hydraulic cooperation according to claim 2, wherein the transverse moving part (120) comprises a fixed plate (121), a plurality of plate body sliding blocks (122) integrally formed on the outer side walls of the front end and the rear end of the fixed plate (121), a reinforcing support (123) welded and fixed on the bottom surface of the fixed plate (121), ejector rods (124) welded and fixed on the outer side walls of the left end and the right end of the reinforcing support (123) and transverse traveling wheels (125) fixedly connected on the bottom surface of the reinforcing support (123) through bolts, the number of the plate body sliding blocks (122) is the same as that of the sliding grooves (111) in the bin, the positions are in one-to-one correspondence, the size is matched, and the top ends of the ejector rods (124) are arc-shaped.
4. The dynamically adjustable tunnel trolley traveling support system based on multi-hydraulic cooperation according to claim 1, wherein the support portion (140) comprises a rotating shaft (141) with two ends rotatably connected to the groove walls at the left end and the right end of the rectangular through groove of the bin body shell (110), a turnover plate (142) rotatably connected to the outer side wall of the rotating shaft (141) in a bent shape, and a first pressure spring (143) welded and fixed on a transverse plate on the top surface of the turnover plate (142), and the top end of the first pressure spring (143) is welded and fixed on the inner top surface of the bin body shell (110).
5. The multi-hydraulic-cooperation-based dynamic adjustable tunnel trolley traveling support system as claimed in claim 1, wherein the longitudinal support column (210) comprises a column housing (211) fixedly connected to the top surface of the bin housing (110) through bolts, a transverse fixing rod (212) welded and fixed on the outer side wall of the column housing (211), and an annular placing plate (213) welded and fixed on the outer side wall of the column housing (211) near the top position, an inner-outer through column through groove (2110) is formed in the outer side wall of the column housing (211) below the transverse fixing rod (212), and a bottom chute with a T-shaped longitudinal section is formed in the bottom surface of the transverse fixing rod (212).
6. The multi-hydraulic-cooperation-based dynamic adjustable tunnel trolley traveling support system as claimed in claim 5, wherein the transverse section of the movable table (221) is T-shaped and is slidably connected to the inside of the cylinder housing (211), the transverse support rod (223) is slidably connected to the inside of a bottom runner of the bottom surface of the transverse fixing rod (212), two mounting brackets (224) are welded and fixed on the bottom surface of the transverse support rod (223), a butt joint flat plate (225) is welded and fixed on the outer side wall of the transverse support rod (223) at one end far away from the movable table (221), and the top end of the first connecting rod (222) is rotatably connected to the inside of the two mounting brackets (224) in a circular shaft mode.
7. The dynamically adjustable tunnel trolley traveling support system based on multi-hydraulic cooperation according to claim 3, wherein the double-rod hydraulic cylinder (230) is welded and fixed at a position, close to the middle, of the top surface of the bin body shell (110), a top telescopic rod of the double-rod hydraulic cylinder (230) is fixedly connected to the bottom surface of the movable table (221) through bolts, a bottom telescopic rod of the double-rod hydraulic cylinder (230) penetrates through the top surface of the bin body shell (110) and is fixedly connected to the top surface of the fixed plate (121) through bolts, and the top surface of the connecting transverse plate (240) is welded and fixed to the bottom surfaces of outer wall supports of the movable tables (221).
8. The multi-hydraulic-cooperation-based dynamic adjustable tunnel trolley walking support system is characterized in that the top fixing frame (310) comprises a frame body shell (311), a plurality of transverse butt joint beams (312) welded and fixed on the outer side walls of the front end and the rear end of the frame body shell (311) and inclined support frames (313) welded and fixed between the outer side walls of the frame body shell (311) and the top surfaces of the transverse butt joint beams (312), and a plurality of frame wall through grooves (3110) which are internally and externally communicated and are linearly distributed are formed in the outer side walls of the front end and the rear end of the frame body shell (311).
9. The dynamically adjustable tunnel trolley traveling support system based on multi-hydraulic cooperation according to claim 8, wherein the in-frame movable plate (321) is slidably connected to the inside of the frame casing (311), a plurality of connecting seats (322) which are linearly arranged are fixedly connected to the top surface of the in-frame movable plate (321) through bolts, the other end of the second connecting rod (323) is rotatably connected to the inside of a top surface bracket of the transverse connecting beam (324), the transverse connecting beam (324) is slidably connected to the inside of the transverse butt beam (312), the lifting hydraulic cylinder (325) is fixedly connected to the inside bottom surface of the frame casing (311) through bolts, the top end of the lifting hydraulic cylinder (325) is fixedly connected to the bottom surface of the in-frame movable plate (321) through bolts, a plurality of second pressure springs (326) which are regularly distributed are fixedly welded to the bottom surface of the in-frame movable plate (321), and the other end of the second pressure springs (326) are fixedly welded to the inside bottom surface of the frame casing (311).
10. The dynamically adjustable tunnel trolley traveling support system based on multi-hydraulic cooperation according to claim 5, wherein the connecting portion (330) comprises a plurality of square butt-joint frames (331) which are respectively linear and a plurality of connecting supports (332) which are welded and fixed between two adjacent sets of square butt-joint frames (331), the inner space of each square butt-joint frame (331) is matched with the outer dimension of the cylinder shell (211), and the cross-section dimension of the bottom of each square butt-joint frame (331) is matched with the cross-section dimension of the annular placing plate (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510645595.4A CN120350987B (en) | 2025-05-20 | 2025-05-20 | Dynamically adjustable tunnel trolley travel support system based on multi-hydraulic coordination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510645595.4A CN120350987B (en) | 2025-05-20 | 2025-05-20 | Dynamically adjustable tunnel trolley travel support system based on multi-hydraulic coordination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN120350987A true CN120350987A (en) | 2025-07-22 |
| CN120350987B CN120350987B (en) | 2025-10-21 |
Family
ID=96402656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510645595.4A Active CN120350987B (en) | 2025-05-20 | 2025-05-20 | Dynamically adjustable tunnel trolley travel support system based on multi-hydraulic coordination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120350987B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204152523U (en) * | 2014-09-23 | 2015-02-11 | 中铁二十一局集团轨道交通工程有限公司 | Subway tunnel change section two serves as a contrast construction convenient regulating type chassis |
| CN212867563U (en) * | 2020-03-30 | 2021-04-02 | 中铁十二局集团第四工程有限公司 | Tunnel super-large section two-lining trolley capable of being widened for multiple times |
| WO2021243763A1 (en) * | 2020-06-03 | 2021-12-09 | 保利长大海外工程有限公司 | Assembled lining trolley capable of being used for various section sizes |
| CN221400526U (en) * | 2024-01-17 | 2024-07-23 | 中铁十五局集团有限公司 | Large-gradient-adaptive tunnel trolley with variable size |
| CN119122572A (en) * | 2024-10-29 | 2024-12-13 | 浙江奔腾交通工程有限公司 | Controlled blasting structure and construction method for close-range underpass of water-rich soft rock tunnel |
-
2025
- 2025-05-20 CN CN202510645595.4A patent/CN120350987B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204152523U (en) * | 2014-09-23 | 2015-02-11 | 中铁二十一局集团轨道交通工程有限公司 | Subway tunnel change section two serves as a contrast construction convenient regulating type chassis |
| CN212867563U (en) * | 2020-03-30 | 2021-04-02 | 中铁十二局集团第四工程有限公司 | Tunnel super-large section two-lining trolley capable of being widened for multiple times |
| WO2021243763A1 (en) * | 2020-06-03 | 2021-12-09 | 保利长大海外工程有限公司 | Assembled lining trolley capable of being used for various section sizes |
| CN221400526U (en) * | 2024-01-17 | 2024-07-23 | 中铁十五局集团有限公司 | Large-gradient-adaptive tunnel trolley with variable size |
| CN119122572A (en) * | 2024-10-29 | 2024-12-13 | 浙江奔腾交通工程有限公司 | Controlled blasting structure and construction method for close-range underpass of water-rich soft rock tunnel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN120350987B (en) | 2025-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN120350987B (en) | Dynamically adjustable tunnel trolley travel support system based on multi-hydraulic coordination | |
| CN213768792U (en) | Power motor and drive axle combining mechanism | |
| CN221051513U (en) | Fork-mounted unit hydraulic support transfer robot | |
| CN219258647U (en) | Rotatable servo primary and secondary car | |
| CN209483403U (en) | A kind of three pillar type hydraulic support, column hydraulic system and its electrohydraulic control system | |
| CN216277896U (en) | Assembling trolley for assembling large-tonnage prefabricated structural blocks | |
| CN212052369U (en) | Intelligent hydraulic walking device for segment box girder template | |
| CN202559681U (en) | Novel automatic plastering machine | |
| CN215146735U (en) | Floating platform capable of realizing planar three-degree-of-freedom adjustment | |
| CN215966109U (en) | Radial rotary conveying mechanism of moving table of press for forging and pressing production of special-shaped steel rails | |
| CN217996671U (en) | Heavy-load jacking mechanism | |
| CN215946626U (en) | New forms of energy car battery is supplementary to be disassembled carrier | |
| CN215515238U (en) | Linkage type sixteen-wheel four-way shuttle | |
| CN212289389U (en) | Double-shaft axle with straight line expansion and arc expansion | |
| CN215398372U (en) | Heavy posture-adjusting multidirectional transferring and installing vehicle | |
| CN212289388U (en) | Double-shaft arc-shaped telescopic variable-length axle | |
| CN113492191B (en) | Radial rotary conveying mechanism for the press platform of special-shaped rail forging production | |
| CN2468985Y (en) | Platform lift | |
| CN222540396U (en) | Drive axle transfer AGV lifting and positioning device | |
| CN113929010A (en) | New energy vehicle battery auxiliary disassembly carrier and method | |
| CN218208644U (en) | Hydraulic lifting frame | |
| CN217145551U (en) | Traction frame hydraulic lifting mechanism and tractor | |
| CN217778399U (en) | Slide rail type heavy truck battery replacement device | |
| CN215717116U (en) | Scaffold frame transport intelligent movement platform | |
| CN207914367U (en) | A kind of four-roll plate bending machine side roller lifting gear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |