CN218953330U - Open cut tunnel section of jurisdiction mounting platform truck - Google Patents
Open cut tunnel section of jurisdiction mounting platform truck Download PDFInfo
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- CN218953330U CN218953330U CN202222905866.XU CN202222905866U CN218953330U CN 218953330 U CN218953330 U CN 218953330U CN 202222905866 U CN202222905866 U CN 202222905866U CN 218953330 U CN218953330 U CN 218953330U
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Abstract
The utility model provides an open cut tunnel segment installation trolley, which comprises the following components: the device comprises a frame, a working platform, a travelling mechanism, a supporting translation assembly and a tensioning assembly; according to the open cut tunnel duct piece installation trolley, the A duct piece and the B duct piece are carried and installed, and the accurate positioning, the butt joint and the closure of the A, B duct piece are realized through the cooperation of the supporting translation assembly supporting block and the side supporting block with the top traveling trolley and the side traveling trolley, so that the open cut tunnel duct piece installation trolley is simple and reasonable in integral structure, stable in running, stable in lifting and high in duct piece installation efficiency.
Description
Technical Field
The utility model belongs to the technical field of tunnel engineering, and particularly relates to an open cut tunnel segment installation trolley.
Background
The assembled tunnel is a tunnel structure formed by combining prefabricated assembled blocks and arranged on the upper portion of the ground, the existing assembled tunnel is formed by splicing five prefabricated assembled blocks together to form a unit arch ring, the assembled blocks are sequentially hoisted to a designated position during construction, and then positioned and installed by a trolley, and in the construction process, the assembled blocks to be installed are accurately butted with the assembled blocks, so that the whole installation process becomes slower.
Disclosure of Invention
Based on the problems, the utility model aims to provide an open cut tunnel segment installation trolley.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an open cut tunnel segment installation trolley, comprising: the device comprises a frame, a working platform, a travelling mechanism, a supporting translation assembly and a tensioning assembly;
the frame comprises an upper cross beam, an auxiliary cross beam and longitudinal beams, wherein the upper cross beam is arranged above the auxiliary cross beam and connected through a plurality of upright posts to form a cross beam frame, two groups of cross beam frames are longitudinally arranged in parallel and connected through connecting blocks to form a cross beam frame group, fixing rods are arranged between the two groups of cross beam frames, the two fixing rods are arranged in a crossing manner, and two ends of the fixing rods are fixedly connected with the two groups of cross beam frames respectively; the two groups of longitudinal beams are arranged in parallel and are respectively connected with the bottoms of the upright posts at the two transverse ends of the cross beam frame group;
the working platform comprises a first layer of platform, a second layer of platform, a third layer of platform, a corner platform and a longitudinal beam platform which are sequentially arranged from top to bottom, wherein the first layer of platform is connected with the upper cross beam, the second layer of platform is connected with the upper cross beam, an upright post between the auxiliary cross beams is connected with the auxiliary cross beam, the third layer of platform is connected with the auxiliary cross beam, the corner platform is connected with the transverse outer side of the upright post between the auxiliary cross beam and the longitudinal beam, and the longitudinal beam platform comprises an outer longitudinal beam platform and an inner longitudinal beam platform which are respectively connected with the transverse outer side and the inner side of the longitudinal beam; the two groups of first-layer platforms, the second-layer platforms, the third-layer platforms and the corner platforms are respectively arranged at two longitudinal sides of the beam frame group; the first layer of platform, the second layer of platform, the third layer of platform, the corner platform and the outer longitudinal beam platform are sequentially connected through a ladder, and the third layer of platform and the inner longitudinal beam platform are connected through the ladder;
the tensioning assembly comprises a tensioning frame and a tensioning device arranged on the tensioning frame; the tensioning assemblies are respectively arranged on a first layer of platform, a second layer of platform and a corner platform of the working platform;
the walking mechanism comprises a walking oil cylinder, a walking supporting wheel assembly, a longitudinal truss and a lifting supporting assembly, wherein the walking oil cylinder is arranged at the lower end of the longitudinal beam, and the walking supporting wheel assembly comprises a walking wheel group, an outer supporting sleeve, an inner supporting sleeve and a first vertical oil cylinder;
the traveling wheel set comprises an inverted gear wheel arranged in the wheel box and side gear wheels arranged on two lateral sides of the inverted gear wheel, longitudinal rails for the inverted gear wheel and the side gear wheel to travel are arranged on the lower end and the two lateral sides of the longitudinal beam, and the inverted gear wheel and the side gear wheel travel on the rails of the longitudinal beam; the upper end of the outer supporting sleeve is fixedly connected with the lower end of the wheel box, the inner supporting sleeve is slidably arranged in the outer supporting sleeve, and the cylinder body and the piston rod of the first vertical cylinder are hinged with the inner supporting sleeve and the outer supporting sleeve respectively; the two groups of the walking support wheel assemblies are respectively arranged at two longitudinal sides of the walking oil cylinder, the longitudinal truss is arranged below the walking oil cylinder, the two longitudinal ends of the longitudinal truss are respectively fixedly connected with the outer support sleeves of the two groups of the walking support wheel assemblies, and the cylinder body and the piston rod of the walking oil cylinder are respectively hinged with the lower ends of the longitudinal beams and the outer support sleeves of the group of the walking support wheel assemblies;
the lifting support assembly comprises a lifting outer sleeve, a lifting inner sleeve and a second vertical oil cylinder, the lifting outer sleeve is slidably sleeved at the upper end of the outer part of the lifting inner sleeve, a cylinder body and a piston rod of the second vertical oil cylinder are respectively hinged with the lifting outer sleeve and the lifting inner sleeve, and the two groups of lifting support assemblies are respectively arranged at the front end and the rear end of the longitudinal beam and are fixedly connected with the end part of the longitudinal beam through the lifting outer sleeve;
the support translation assembly comprises a top support assembly and a side support assembly, the top support assembly comprises a top support block and a top row trolley, the lower end of the top support block and the top of the top row trolley are provided with adaptive positioning holes, the top support block and the top row trolley are locked by inserting positioning pins into the positioning holes, the top row trolley is arranged at the top of the upper cross beam and can move transversely, and the top of the top support block is adaptive to the inner side shape of a duct piece to be installed and can be detachably connected through screws; the two groups of top support components are symmetrically arranged at the top of the upper cross beam;
the side support assembly comprises a side support block and a side traveling trolley, wherein the lower end of the side support block and the top of the side traveling trolley are provided with matched positioning holes, the side support block and the side traveling trolley are locked by inserting positioning pins into the positioning holes, the side traveling trolley is arranged on two sides of the transverse outer part of the transverse beam frame and can transversely move, and the top of the side support block is matched with the inner side shape of a duct piece to be installed and can be detachably connected through screws; the two groups of side support assemblies are symmetrically arranged on two sides of the transverse outer part of the beam frame;
the pipe piece to be installed comprises an A pipe piece and a B pipe piece, wherein a joggled joint is arranged at the positive middle position of the top of the A pipe piece and the B pipe piece, and the joggled A pipe piece and the B pipe piece form a unit arch ring which is matched with the inner section of the tunnel.
The working steps of the open cut tunnel segment installation trolley are as follows:
step 3, pulling out the locating pin, unlocking the top support block and the side support block, pushing the trolley and moving the trolley to a position close to the position to be installed, installing a tensioning frame on a working platform by constructors, and tensioning and anchoring the folded and locked A segment and B segment through a tensioning device;
the trolley walking process is as follows: the walking supporting wheel assembly is lifted off the ground, the lifting supporting assembly falls on the ground, the walking oil cylinder drives the walking wheel assembly to move to one end of the upper rail of the longitudinal beam, then the walking supporting wheel assembly falls on the ground, the lifting supporting assembly is lifted off the ground, the walking oil cylinder drives the walking wheel assembly to move to the other end of the upper rail of the longitudinal beam, meanwhile, the frame is driven to walk, and forward or backward walking of the trolley can be achieved through repeating the operation.
Specifically, the top support assembly further comprises a top transverse oil cylinder and a top transverse sliding rail, the top transverse sliding rail is transversely mounted at the top of the upper cross beam, the top traveling trolley walks on the top transverse sliding rail, and the top transverse oil cylinder is arranged on the inner transverse side of the top traveling trolley and the cylinder body and the piston rod are hinged with the top of the upper cross beam and the top traveling trolley respectively. When the duct piece is installed, the top horizontal cylinder drives the top row trolley and the top support block to move horizontally so as to drive the duct piece to move horizontally.
Specifically, the side support assembly further comprises an arch frame, a side transverse oil cylinder and a side transverse sliding rail, wherein two groups of arch frames are respectively arranged above the longitudinal beams and connected with the upright posts on the outer side of the transverse beam frame, the side transverse sliding rail is transversely arranged at the top of the arch frame, the side trolley walks on the side transverse sliding rail, and the side transverse oil cylinder is arranged on the inner side of the top trolley in the transverse direction, and the cylinder body and the piston rod are respectively hinged with the top of the arch frame and the side trolley. When the duct piece is installed, the lateral traveling trolley and the lateral support block are driven to move transversely through the lateral transverse oil cylinder so as to drive the duct piece to move horizontally.
More specifically, the top support block and the side support block are hollow shells surrounded by sheet metal sheets, openings are formed in the lateral inner side surfaces of the shells, the lateral outer side surfaces of the shells are matched with the inner sides of the segments to be installed, connecting holes are formed in the outer side surfaces of the shells, threaded sleeves matched with the connecting holes are arranged on the inner sides of the segments to be installed, the constructors pass through the connecting holes through the openings and then screw the nail bodies of the screws to the threaded sleeves so as to detachably connect the top support block and the side support block with the segments to be installed, or the screws are detached through the openings so as to separate the top support block and the side support block from the segments to be installed; the two sides of the bottom of the shell are respectively provided with a horizontal lug, and the positioning holes are formed in the lugs.
Specifically, the longitudinal beam and the auxiliary transverse beam are also connected through an inclined supporting beam.
Specifically, the lower extreme of lift endotheca sets up connecting seat, translation hydro-cylinder, the upper end of connecting seat and the lower extreme fixed connection of lift endotheca, the translation seat with but the lower extreme transverse sliding connection of connecting seat, translation hydro-cylinder's cylinder body, piston rod are articulated with connecting seat, translation seat respectively. When the horizontal translation is needed, the translation oil cylinder drives the frame to move horizontally so as to adjust the horizontal position, and the duct piece installation is facilitated.
The two groups of beam frames of the beam frame group are provided with fixing rods, the two fixing rods are arranged in a crossed mode, two ends of each fixing rod are fixedly connected with the two groups of beam frames respectively, and the two groups of beam frames are stably installed through the fixing rods.
The beneficial effects of the utility model are as follows:
according to the open cut tunnel duct piece installation trolley, the A duct piece and the B duct piece are carried and installed, and the accurate positioning, the butt joint and the closure of the A, B duct piece are realized through the cooperation of the supporting translation assembly supporting block and the side supporting block with the top traveling trolley and the side traveling trolley, so that the open cut tunnel duct piece installation trolley is simple and reasonable in integral structure, stable in running, stable in lifting and high in duct piece installation efficiency.
Drawings
Fig. 1 is a front view of an open cut tunnel segment installation trolley provided by the utility model;
FIG. 2 is a schematic view of a vehicle frame;
FIG. 3 is a front cross-sectional view of the travel support wheel assembly;
FIG. 4 is a front cross-sectional view of the lift support assembly;
FIG. 5 is a side view;
FIG. 6 is an enlarged view of FIG. 5 at A;
FIG. 7 is a perspective view of a side stay;
FIG. 8 is a view of a unit arch ring formed after the abutting of the segment A and the segment B;
wherein 1 is a frame, 101 is an upper beam, 102 is a subsidiary beam, 103 is a longitudinal beam, 2 is a first layer platform, 3 is a second layer platform, 4 is a third layer platform, 5 is a corner platform, 6 is an outer longitudinal beam platform, 7 is an inner longitudinal beam platform, 8 is a tensioning frame, 801 is a tensioner, 9 is a walking cylinder, 10 is a longitudinal truss, 11 is a reverse hanging wheel, 12 is a side hanging wheel, 13 is an outer support sleeve, 14 is an inner support sleeve, 15 is a first vertical cylinder, 16 is a lifting outer sleeve, 17 is a lifting inner sleeve, 18 is a second vertical cylinder, 19 is a connecting seat, 20 is a translation seat, 21 is a translation cylinder, 22 is a top transverse cylinder, 23 is a top transverse slide rail, 24A and 24B are top traveling trolleys, 25A and 25B are top support blocks, 26 arches, 27 side transverse cylinders, 28 side transverse slide rails, 29A and 29B side traveling trolleys, 30A and 30B are side support blocks, 31 is a duct piece, 32 is a duct piece, and 302 is a positioning hole.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, this embodiment provides an open cut tunnel segment installation trolley, including: the device comprises a frame 1, a working platform, a travelling mechanism, a supporting translation assembly and a tensioning assembly;
as shown in fig. 2, the frame 1 includes an upper beam 101, an auxiliary beam 102, and a longitudinal beam 103, where the upper beam 101 is disposed above the auxiliary beam 102 and connected by a plurality of upright posts to form a beam frame, two groups of beam frames are disposed longitudinally in parallel and connected by connecting blocks to form a beam frame group, and two groups of longitudinal beams 103 are disposed in parallel and connected to the bottoms of the upright posts at two lateral ends of the beam frame group respectively, and the longitudinal beam 103 is connected to the auxiliary beam 102 by an oblique support beam;
the working platform comprises a first layer of platform 2, a second layer of platform, a third layer of platform, a corner platform and a longitudinal beam 103 platform which are sequentially arranged from top to bottom, wherein the first layer of platform 2 is connected with an upper cross beam 101, the second layer of platform is connected with the upper cross beam 101, a stand column between auxiliary cross beams 102 is connected, the third layer of platform is connected with the auxiliary cross beam 102, the corner platform is connected with the auxiliary cross beam 102 and the lateral outside of the stand column between the longitudinal beam 103, and the longitudinal beam 103 platform comprises an outer longitudinal beam platform 6 and an inner longitudinal beam platform 7 which are respectively connected with the lateral outside and the inner side of the longitudinal beam 103; the two groups of first-layer platforms 2, the second-layer platforms, the third-layer platforms and the corner platforms are respectively arranged at two longitudinal sides of the beam frame group; the first layer of platform 2, the second layer of platform, the third layer of platform, the corner platform and the outer longitudinal beam platform 6 are connected through a crawling ladder in sequence, and the third layer of platform and the inner longitudinal beam platform 7 are connected through the crawling ladder;
the tensioning assembly comprises a tensioning frame 8 and a tensioner 801 arranged on the tensioning frame 8; the tensioning assemblies are respectively arranged on a first layer of platform 2, a second layer of platform and a corner platform of the working platform;
as shown in fig. 3, 4 and 6, the travelling mechanism comprises a travelling oil cylinder 9, a travelling support wheel assembly, a longitudinal truss 10 and a lifting support assembly, wherein the travelling oil cylinder 9 is arranged at the lower end of a longitudinal beam 103, and the travelling support wheel assembly comprises a travelling wheel group, an outer support sleeve 13, an inner support sleeve 14 and a first vertical oil cylinder 15;
the traveling wheel set comprises an inverted wheel 11 arranged in a wheel box and side change wheels 12 arranged on two lateral sides of the inverted wheel 11, longitudinal rails for the inverted wheel 11 and the side change wheels 12 to travel are arranged on the lower end and two lateral sides of the longitudinal beam 103, and the inverted wheel 11 and the side change wheels 12 travel on the rails of the longitudinal beam 103; the upper end of the outer support sleeve 13 is fixedly connected with the lower end of the wheel box, the inner support sleeve 14 is slidably arranged in the outer support sleeve 13, and the cylinder body and the piston rod of the first vertical cylinder 15 are respectively hinged with the inner support sleeve 14 and the outer support sleeve 13; the two groups of the walking support wheel assemblies are respectively arranged at the two longitudinal sides of the walking oil cylinder 9, the longitudinal truss 10 is arranged below the walking oil cylinder 9, the two longitudinal ends of the longitudinal truss are respectively fixedly connected with the outer support sleeves 13 of the two groups of the walking support wheel assemblies, and the cylinder body and the piston rod of the walking oil cylinder 9 are respectively hinged with the lower ends of the longitudinal beams 103 and the outer support sleeves 13 of the group of the walking support wheel assemblies;
the lifting support assembly comprises a lifting outer sleeve 16, a lifting inner sleeve 17 and a second vertical oil cylinder 18, wherein the lifting outer sleeve 16 is slidably sleeved at the upper end of the outer part of the lifting inner sleeve 17, a cylinder body and a piston rod of the second vertical oil cylinder 18 are respectively hinged with the lifting outer sleeve 16 and the lifting inner sleeve 17, and two groups of lifting support assemblies are respectively arranged at the front end and the rear end of the longitudinal beam 103 and are fixedly connected with the end part of the longitudinal beam 103 through the lifting outer sleeve 16; the lower end of the lifting inner sleeve 17 is provided with a connecting seat 19, a translation seat 20 and a translation oil cylinder 21, the upper end of the connecting seat 19 is fixedly connected with the lower end of the lifting inner sleeve 17, the translation seat 20 is transversely and slidably connected with the lower end of the connecting seat 19, and the cylinder body and the piston rod of the translation oil cylinder 21 are respectively hinged with the connecting seat 19 and the translation seat 20;
the support translation assembly comprises a top support assembly and a side support assembly, the top support assembly comprises a top transverse oil cylinder 22, a top transverse sliding rail 23, a top row trolley 24 and top support blocks 25A and 25B, the top transverse sliding rail 23 is transversely arranged at the top of the upper cross beam 101, the top row trolley 24 walks on the top transverse sliding rail 23, the top transverse oil cylinder 22 is arranged at the transverse inner side of the top row trolley 24, a cylinder body and a piston rod are respectively hinged with the top of the upper cross beam 101 and the top row trolley 24, the lower ends of the top support blocks 25A and 25B are provided with matched positioning holes with the top of the top row trolley 24, the top shapes of the top support blocks 25A and 25B are matched with the shape of the inner side of a pipe piece to be installed and can be detachably connected through screws by inserting positioning pins into the positioning holes; the two groups of top support components are symmetrically arranged at the top of the upper cross beam 101;
the side support assembly comprises an arch 26, a side transverse cylinder 27, a side transverse sliding rail 28, a side travelling trolley 29 and side support blocks 30A and 30B; the two groups of arches 26 are respectively arranged above the transverse two sides of the longitudinal beam 103 and are connected with the upright posts on the transverse outer sides of the cross beam frame, the lateral sliding rail 28 is arranged at the top of the arches 26, the lateral trolley 29 walks on the lateral sliding rail 28, the lateral oil cylinder 27 is arranged at the transverse inner side of the top trolley 24, the cylinder body and the piston rod are respectively hinged with the top of the arches 26 and the lateral trolley 29, the lower ends of the lateral support blocks 30A and 30B are provided with adaptive positioning holes with the top of the lateral trolley 29, the lateral support blocks 30A and 30B are locked with the lateral trolley by inserting positioning pins into the positioning holes, and the top shapes of the lateral support blocks 30A and 30B are matched with the inner side shape of a duct piece to be installed and can be detachably connected through screws; the two groups of side support assemblies are symmetrically arranged on two lateral outer sides of the beam frame through an arch 26;
the top support block and the side support block are hollow shells surrounded by sheet metal sheets, the side support block 30A is taken as an example, as shown in fig. 7, an opening is formed in the lateral inner side surface of the shell, the lateral outer side surface of the shell is matched with the inner side of a segment to be installed, a connecting hole 302 is formed in the outer side surface of the shell, a screw sleeve matched with the connecting hole 302 is arranged on the inner side of the segment to be installed, and the side support block 30A is detachably connected with the segment A31 to be installed by screwing a screw through the connecting hole 302 and then screwing the screw sleeve; the two sides of the bottom of the shell are respectively provided with a horizontal lug, and the positioning holes 301 are arranged on the lugs; the side support blocks 30B and 30A have the same shape;
the pipe piece to be installed comprises an A pipe piece 31 and a B pipe piece 32, wherein a joggled joint is arranged at the right middle position on the top of the A pipe piece 31 and the B pipe piece 32, and the joggled A pipe piece 31 and the B pipe piece 32 form a unit arch ring which is matched with the inner section of the tunnel.
The working steps of the open cut tunnel segment installation trolley of the embodiment are as follows:
first, the top carriage 24A and the side carriage 29A corresponding to the a segment 31 travel to a predetermined position, and the top carriage 24B and the side carriage 29B corresponding to the B segment 32 travel to a position 250mm laterally outside the predetermined position; firstly hoisting the A duct piece 31 in place, enabling the top support blocks 25A and the side support blocks 30A to be respectively aligned and positioned with the corresponding top row trolley 24A and side row trolley 29A through positioning holes, and then inserting positioning pins to lock positions, wherein the A duct piece 31 is installed at a preset position according to the standard;
then placing the B duct piece 32 by a door crane, enabling the top support block 25B and the side support block 30B to be aligned and positioned with the corresponding top row trolley 24B and side row trolley 29B through positioning holes, inserting positioning pins to lock positions, transversely moving the top row trolley 24B and the side row trolley 29B to the preset positions to drive the B duct piece 32 to be close to the A duct piece 31 until the top is in a positive middle position for joggling and folding, and enabling the joggled A duct piece 31 and the B duct piece 32 to form a unit arch ring matched with the inner section of a tunnel at the moment, as shown in fig. 8; the preset position is a standard position corresponding to each part when the duct piece is installed according to the standard;
step 3, pulling out the locating pins, unlocking the top support blocks 25A and 25B, the side support blocks 30A and 30B, the top traveling trolleys 24A and 24B and the side traveling trolleys 29A and 29B, moving the trolleys to approach to the position to be installed, installing a tensioning frame 8 on a working platform by constructors, and tensioning and anchoring the locked A pipe piece 31 and B pipe piece 32 by a tensioning device 801;
the trolley walking process is as follows: the walking supporting wheel assembly is lifted off the ground, the lifting supporting assembly falls to the ground, the walking oil cylinder 9 drives the walking wheel assembly to move to one end of the rail on the longitudinal beam 103, then the walking supporting wheel assembly falls to the ground, the lifting supporting assembly is lifted off the ground, the walking oil cylinder 9 drives the walking wheel assembly to move to the other end of the rail on the longitudinal beam 103, meanwhile, the frame 1 is driven to walk, and forward or backward walking of the trolley can be realized by repeating the operation.
The above examples of the present utility model are merely illustrative of the present utility model and are not intended to limit the embodiments of the present utility model. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. Not all embodiments are exhaustive. Obvious changes and modifications which are extended by the technical proposal of the utility model are still within the protection scope of the utility model.
Claims (7)
1. An open cut tunnel segment installation platform truck, its characterized in that includes: the device comprises a frame, a working platform, a travelling mechanism, a supporting translation assembly and a tensioning assembly;
the frame comprises an upper cross beam, an auxiliary cross beam and longitudinal beams, wherein the upper cross beam is arranged above the auxiliary cross beam and connected through a plurality of upright posts to form a cross beam frame, two groups of cross beam frames are longitudinally arranged in parallel and connected through connecting blocks to form a cross beam frame group, fixing rods are arranged between the two groups of cross beam frames, the two fixing rods are arranged in a crossing manner, and two ends of the fixing rods are fixedly connected with the two groups of cross beam frames respectively; the two groups of longitudinal beams are arranged in parallel and are respectively connected with the bottoms of the upright posts at the two transverse ends of the cross beam frame group;
the working platform comprises a first layer of platform, a second layer of platform, a third layer of platform, a corner platform and a longitudinal beam platform which are sequentially arranged from top to bottom, wherein the first layer of platform is connected with the upper cross beam, the second layer of platform is connected with the upper cross beam, an upright post between the auxiliary cross beams is connected with the auxiliary cross beam, the third layer of platform is connected with the auxiliary cross beam, the corner platform is connected with the transverse outer side of the upright post between the auxiliary cross beam and the longitudinal beam, and the longitudinal beam platform comprises an outer longitudinal beam platform and an inner longitudinal beam platform which are respectively connected with the transverse outer side and the inner side of the longitudinal beam; the two groups of first-layer platforms, the second-layer platforms, the third-layer platforms and the corner platforms are respectively arranged at two longitudinal sides of the beam frame group; the first layer of platform, the second layer of platform, the third layer of platform, the corner platform and the outer longitudinal beam platform are sequentially connected through a ladder, and the third layer of platform and the inner longitudinal beam platform are connected through the ladder;
the tensioning assembly comprises a tensioning frame and a tensioning device arranged on the tensioning frame; the tensioning assemblies are respectively arranged on a first layer of platform, a second layer of platform and a corner platform of the working platform;
the walking mechanism comprises a walking oil cylinder, a walking supporting wheel assembly, a longitudinal truss and a lifting supporting assembly, wherein the walking oil cylinder is arranged at the lower end of the longitudinal beam, and the walking supporting wheel assembly comprises a walking wheel group, an outer supporting sleeve, an inner supporting sleeve and a first vertical oil cylinder;
the traveling wheel set comprises an inverted gear wheel arranged in the wheel box and side gear wheels arranged on two lateral sides of the inverted gear wheel, longitudinal rails for the inverted gear wheel and the side gear wheel to travel are arranged on the lower end and the two lateral sides of the longitudinal beam, and the inverted gear wheel and the side gear wheel travel on the rails of the longitudinal beam; the upper end of the outer supporting sleeve is fixedly connected with the lower end of the wheel box, the inner supporting sleeve is slidably arranged in the outer supporting sleeve, and the cylinder body and the piston rod of the first vertical cylinder are hinged with the inner supporting sleeve and the outer supporting sleeve respectively; the two groups of the walking support wheel assemblies are respectively arranged at two longitudinal sides of the walking oil cylinder, the longitudinal truss is arranged below the walking oil cylinder, the two longitudinal ends of the longitudinal truss are respectively fixedly connected with the outer support sleeves of the two groups of the walking support wheel assemblies, and the cylinder body and the piston rod of the walking oil cylinder are respectively hinged with the lower ends of the longitudinal beams and the outer support sleeves of the group of the walking support wheel assemblies;
the lifting support assembly comprises a lifting outer sleeve, a lifting inner sleeve and a second vertical oil cylinder, the lifting outer sleeve is slidably sleeved at the upper end of the outer part of the lifting inner sleeve, a cylinder body and a piston rod of the second vertical oil cylinder are respectively hinged with the lifting outer sleeve and the lifting inner sleeve, and the two groups of lifting support assemblies are respectively arranged at the front end and the rear end of the longitudinal beam and are fixedly connected with the end part of the longitudinal beam through the lifting outer sleeve;
the support translation assembly comprises a top support assembly and a side support assembly, the top support assembly comprises a top support block and a top row trolley, the lower end of the top support block and the top of the top row trolley are provided with adaptive positioning holes, the top support block and the top row trolley are locked by inserting positioning pins into the positioning holes, the top row trolley is arranged at the top of the upper cross beam and can move transversely, and the top of the top support block is adaptive to the inner side shape of a duct piece to be installed and can be detachably connected through screws; the two groups of top support components are symmetrically arranged at the top of the upper cross beam;
the side support assembly comprises a side support block and a side traveling trolley, wherein the lower end of the side support block and the top of the side traveling trolley are provided with matched positioning holes, the side support block and the side traveling trolley are locked by inserting positioning pins into the positioning holes, the side traveling trolley is arranged on two sides of the transverse outer part of the transverse beam frame and can transversely move, and the top of the side support block is matched with the inner side shape of a duct piece to be installed and can be detachably connected through screws; the two groups of side support assemblies are symmetrically arranged on two sides of the transverse outer part of the beam frame;
the pipe piece to be installed comprises an A pipe piece and a B pipe piece, wherein a joggled joint is arranged at the positive middle position of the top of the A pipe piece and the B pipe piece, and the joggled A pipe piece and the B pipe piece form a unit arch ring which is matched with the inner section of the tunnel.
2. The open cut tunnel segment installation trolley according to claim 1, wherein the top support assembly further comprises a top transverse cylinder and a top transverse sliding rail, the top transverse sliding rail is transversely installed at the top of the upper beam, the top row trolley walks on the top transverse sliding rail, the top transverse cylinder is arranged on the inner side of the top row trolley in the transverse direction, and the cylinder body and the piston rod are hinged with the top of the upper beam and the top row trolley respectively.
3. The open cut tunnel segment installation trolley according to claim 1, wherein the side support assembly further comprises an arch frame, a side transverse cylinder and a side transverse sliding rail, the two groups of arch frames are respectively arranged above the longitudinal beams and are connected with the upright posts on the outer side of the cross beam frame, the side transverse sliding rail is transversely installed at the top of the arch frame, the side traveling trolley walks on the side transverse sliding rail, the side transverse cylinder is arranged on the inner side of the top traveling trolley, and the cylinder body and the piston rod are respectively hinged with the top of the arch frame and the side traveling trolley, and the two groups of side support assemblies are symmetrically installed on the arch frame through the arch frame.
4. The open cut tunnel segment installation trolley according to any one of claims 1 to 3, wherein the top support block and the side support block are hollow shells surrounded by sheet metal sheets, openings are formed in the lateral inner side surfaces of the shells, the lateral outer side surfaces of the shells are matched with the inner sides of segments to be installed, connecting holes are formed in the outer side surfaces, threaded sleeves matched with the connecting holes are arranged on the inner sides of the segments to be installed, and the top support block and the side support block are detachably connected with the segments to be installed by screwing screws through the connecting holes and then connecting the screws with the threaded sleeves; the two sides of the bottom of the shell are respectively provided with a horizontal lug, and the positioning holes are formed in the lugs.
5. The open cut tunnel segment installation trolley according to claim 1, wherein a connecting seat, a translation seat and a translation oil cylinder are arranged at the lower end of the lifting inner sleeve, the upper end of the connecting seat is fixedly connected with the lower end of the lifting inner sleeve, the translation seat is transversely and slidably connected with the lower end of the connecting seat, and a cylinder body and a piston rod of the translation oil cylinder are hinged with the connecting seat and the translation seat respectively.
6. The open cut tunnel segment installation trolley according to claim 1, wherein a fixed rod is arranged between two groups of beam frames of the beam frame group, the two fixed rods are arranged in a crossing manner, and two ends of the fixed rod are fixedly connected with the two groups of beam frames respectively.
7. The open cut tunnel segment installation trolley of claim 1, wherein the stringers and secondary cross beams are also connected by diagonal support beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222905866.XU CN218953330U (en) | 2022-11-02 | 2022-11-02 | Open cut tunnel section of jurisdiction mounting platform truck |
Applications Claiming Priority (1)
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