CN212202075U - Trackless self-propelled tunnel secondary lining trolley - Google Patents
Trackless self-propelled tunnel secondary lining trolley Download PDFInfo
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- CN212202075U CN212202075U CN202020973684.4U CN202020973684U CN212202075U CN 212202075 U CN212202075 U CN 212202075U CN 202020973684 U CN202020973684 U CN 202020973684U CN 212202075 U CN212202075 U CN 212202075U
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- 239000000463 material Substances 0.000 abstract description 5
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- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a trackless self-propelled tunnel secondary lining trolley, which comprises a main body supporting frame and a template covered outside the main body supporting frame; the lifting mechanism, the hydraulic crawler driving mechanism and the wheel type driven mechanism are arranged at the lower part of the main body supporting frame; the lifting mechanism comprises a first hydraulic cylinder; the number of the first hydraulic cylinders is four, and the four first hydraulic cylinders are distributed on the left side and the right side of the front end of the main body supporting frame and the left side and the right side of the rear end of the main body supporting frame; the wheel type driven mechanism comprises a second hydraulic cylinder and a roller which is rotatably connected to the lower end of the second hydraulic cylinder; the two second hydraulic cylinders are distributed on the left side and the right side of the rear part of the main body supporting frame; the hydraulic crawler driving mechanisms are arranged in two numbers, and the two hydraulic crawler driving mechanisms are distributed on the left side and the right side of the front portion of the main body supporting frame. The utility model discloses optimize main part braced system's structure, reduced the material and used, realized the trackless removal simultaneously, the resource input of using manpower sparingly.
Description
Technical Field
The utility model relates to a lining cutting platform truck technical field that tunnel secondary lining construction was used, concretely relates to trackless self-propelled tunnel secondary lining cutting platform truck.
Background
The existing tunnel lining trolley mostly adopts a longitudinal steel box girder and a portal frame as a main body supporting system, so that the material consumption is more, and the stress structure is unreasonable. In addition, the existing tunnel lining trolley adopts a train rail type to travel, more manpower is needed to follow a transfer rail and a support sleeper when the trolley moves and travels in each cycle, the rail is needed to be connected when the rail is installed, the sleeper under the support rail is increased due to the problem of ground flatness, the support is easy to bend and deform if the support is uneven, the two rails are required to be installed in parallel, the difficulty is higher when the trolley travels and is positioned when the lining trolley inclines due to the steering travel of a horizontal-longitudinal curve tunnel and the ultrahigh route, and the labor and time are wasted. Particularly, in a curved tunnel, the track type walking steering positioning difficulty is high, the main body support is poorer in stability on a track, the compression ratio of the bolster sleeper is higher, and elastic deformation and inelastic deformation are easily generated during concrete pouring construction, so that slab staggering and slurry leakage at the construction joint of the lining structure are caused, the appearance quality is influenced, and the modification working cost is increased.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the structure of a main body supporting system is optimized, the material use is reduced, trackless movement is realized, and the human resource investment is saved; the lifting mechanism, the hydraulic crawler driving mechanism and the wheel type driven mechanism are arranged at the lower part of the main body supporting frame;
the lifting mechanism comprises a first hydraulic cylinder; the four first hydraulic cylinders are distributed on the left side and the right side of the front end of the main body supporting frame and the left side and the right side of the rear end of the main body supporting frame, and the main body supporting frame and the template are lifted and lowered by extending and shortening the four first hydraulic cylinders;
the wheel type driven mechanism comprises a second hydraulic cylinder and a roller which is rotatably connected to the lower end of the second hydraulic cylinder, the two second hydraulic cylinders are distributed on the left side and the right side of the rear part of the main body supporting frame, and the roller is extended through the second hydraulic cylinder so as to be contacted with the ground;
the two hydraulic crawler driving mechanisms are distributed on the left side and the right side of the front part of the main body supporting frame; each hydraulic crawler driving mechanism comprises a crawler assembly, a driving motor and a bearing frame; each crawler belt assembly is connected with the main body supporting frame in a sliding mode through one bearing frame and one guide rod, and each crawler belt assembly is provided with a hydraulic driving motor; the second hydraulic cylinders are two, are in contact with the ground through the components and the two rollers, and are driven by the driving motors to drive all the crawler assemblies to rotate, so that the main body supporting frame and the template, namely the two lining trolleys, move on the ground, and are driven by a single side to realize plane steering if the main body supporting frame and the template need to be flat.
The beneficial effects of the utility model are embodied in:
the lifting stroke of the lifting mechanism of the equipment is increased to 45-50 cm, so that the equipment is suitable for adjusting the elevation change of the ground and the transverse gradient, and meanwhile, the fixed part of the inner ring of the end die is ensured to smoothly move forwards and pass through under the condition of lining reinforcing steel bars, and personnel can get in and out of the space to be large enough when the embedded component and the panel are installed, cleaned, polished and coated with a release agent. The main body supporting system is directly supported on the concrete ground, so that the problems of slab staggering, slurry leakage and the like at construction joints caused by compression of the bolster sleeper can be effectively prevented due to the fact that the existing supporting system is supported on the track.
The crawler-type moving mode is adopted to replace the existing rail-type moving mode, the lifting mechanism retracts during moving, and the two crawler assemblies and the two rollers fall to the ground to bear the weight of the whole equipment. The driving motor provides enough power to drive the whole equipment to move on the ground, so that the related work of sleepers under the mounting rails and the support rails is omitted, and particularly, the large human resource investment and time consumption are increased for the walking movement of the two-lining trolley due to the ground flatness factors, the horizontal-longitudinal curve tunnels, the ultrahigh routes and other adverse factors, and the construction progress is further influenced.
Preferably, the cylinder base of the first hydraulic cylinder and the cylinder base of the second hydraulic cylinder are both fixedly connected with the main body support frame through a fixed cylinder, and the telescopic rod of the first hydraulic cylinder and the telescopic rod of the second hydraulic cylinder are respectively open towards the lower end of the corresponding fixed cylinder.
Preferably, the lower end of the telescopic rod of the first hydraulic cylinder and the lower end of the telescopic rod of the second hydraulic cylinder are fixedly connected with supporting legs, and each supporting leg is connected with the corresponding fixed cylinder in a sliding mode.
Preferably, the lower end of the support leg of the first hydraulic cylinder is provided with a foot plate.
Preferably, the lower end of the supporting leg of the second hydraulic cylinder is rotatably connected with the roller through a turntable, and the roller rotates in a horizontal plane through the turntable.
The telescopic link of first pneumatic cylinder and the telescopic link of second pneumatic cylinder all drive the landing leg and slide from top to bottom in the solid fixed cylinder that corresponds to the sole or the gyro wheel lift of drive landing leg lower extreme, gu fixed cylinder and landing leg cooperation have played the restriction first pneumatic cylinder and the second pneumatic cylinder can only stretch out and draw back in vertical direction, have prevented first pneumatic cylinder and second pneumatic cylinder slope dislocation.
Preferably, a vertical screw rod is arranged on the left side and the right side of the front end of the main body support frame and the left side and the right side of the rear end of the main body support frame respectively.
After the four first hydraulic cylinders extend out, the whole device is jacked up through the four foot plates so as to complete lifting support of the tunnel lining trolley. And after the four lead screws extend out of the first hydraulic cylinder, the lead screws of the lead screws are manually screwed out, and the lead screws are also tightly propped against the ground for reinforcement, so that the problem that the two-lining trolley template descends due to oil leakage caused by abrasion of a sealing part of a hydraulic system of the first hydraulic cylinder during concrete pouring construction is solved, and therefore the four lead screws play a role in safety and enhance the construction safety.
Preferably, each hydraulic crawler driving mechanism is provided with a bearing frame, each bearing frame is provided with two guide rods which are vertically upward, the main body support frame is provided with a sliding sleeve corresponding to each guide rod, and the guide rods penetrate through the sliding sleeves so as to enable the two hydraulic crawler driving mechanisms to be in sliding connection with the main body support frame along the vertical direction; every the guide bar all is equipped with the spacing ring, and all spacing rings all are located the below of bearing frame and all spacing rings are located same height.
When the four first hydraulic cylinders stretch out and tightly prop against the ground to lift the two lining trolleys, the sliding sleeves slide upwards along the corresponding guide rods, so that the hydraulic crawler driving mechanism does not lift along with the lifting of the main body supporting frame. On the contrary, all first pneumatic cylinders retract to the lowest point, and the sliding sleeve slides down to the spacing ring along the corresponding guide rod simultaneously, and whole equipment just falls and can the normal position, is born a burden by two hydraulic pressure track actuating mechanism and wheeled follower and moves. In the lifting process, the guide rod and the sliding sleeve play a role in guiding, and dislocation of the two hydraulic crawler driving mechanisms during lifting is avoided.
Preferably, the main body support frame comprises an inverted triangular bailey frame group a and an inverted triangular bailey frame group B; the inverted triangular bailey truss group A and the inverted triangular bailey truss group B are respectively positioned at the left lower part and the right lower part of the template and are used for forming longitudinal support systems at two sides of the main support frame.
Preferably, the upper end of the inverted triangular bailey frame group a and the upper end of the inverted triangular bailey frame group B are connected with the template through a bailey frame C formed by connecting a plurality of bud pieces and a plurality of connecting parts.
Utilize triangular stability, assemble improvement with the both sides steel case girder and the portal of current platform truck design and close to piece together the optimization for two vertical holistic inverted triangle shape bailey frame group A and inverted triangle shape bailey frame group B, as the vertical support system in both sides, replace current vertical steel case roof beam and add the portal formula as main part braced system, the structure that makes the main part support is succinct more, it is firm, the stress structure distributes rationally, the use of the material that can significantly reduce again under the prerequisite of assurance structural strength, thereby equipment cost has been reduced again.
Preferably, the track assembly is rotatably connected to the middle portion of the bearing frame through a rotating shaft, so that the main body support frame and the template, i.e., the two-lining trolley, move on the ground.
The track assemblies are hinged through the rotating shaft, so that each track assembly is hinged with the bearing frame to adapt to the fluctuation of the road surface.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of the present embodiment;
fig. 2 is a right side view of fig. 1 with the elevating mechanism and the wheel follower hidden.
In the attached drawing, 1-template, 2-inverted triangle bailey frame group A, 3-inverted triangle bailey frame group B, 5-rotating shaft, 6-third hydraulic cylinder group, 7-straight rod, 8-first hydraulic cylinder, 9-lead screw, 10-lead screw, 11-second hydraulic cylinder, 12-roller, 13-fixed cylinder, 14-supporting leg, 15-foot plate, 16-rotating disc, 17-crawler assembly, 18-bearing frame, 19-guide rod, 20-sliding sleeve, 21-limiting ring and 22-bailey frame C.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1, the present embodiment provides a trackless self-propelled tunnel secondary lining trolley, which comprises a main body support frame and a formwork 1 covering the outside of the main body support frame. Still including install in elevating system, hydraulic pressure track actuating mechanism and wheeled follower in main part support frame lower part, wherein the concrete structure of main part support frame is as follows:
the main body support frame comprises an inverted triangle bailey frame group A2 and an inverted triangle bailey frame group B3; the inverted triangle bailey truss group A2 and the inverted triangle bailey truss group B3 are respectively positioned at the left lower part and the right lower part of the template 1 and are used for forming a longitudinal support system at two sides of the main body support frame. The upper end of the inverted-triangular bailey frame group A2 and the upper end of the inverted-triangular bailey frame group B3 are connected with the template 1 through a bailey frame C22 formed by mutually connecting a plurality of bud pieces and a plurality of connecting parts. For forming a body support. Specifically, the inverted triangular bailey truss group a2 and the inverted triangular bailey truss group B3 are integrated. The main body support frame utilizes the stability of a triangle, and the steel box girders and the portal frames on two sides of the existing trolley design are assembled, improved, assembled and optimized into two longitudinal integrated inverted triangle bailey frame groups A2 and B3 to serve as longitudinal support systems on two sides. The existing longitudinal steel box girder and the portal frame are replaced to serve as a main body supporting system, so that the structure supported by the main body is simpler and more stable, the stress structure is reasonably distributed, and the use of materials can be greatly reduced on the premise of ensuring the structural strength, thereby reducing the equipment cost. In addition, the lower ends of the inverted triangular bailey truss group a2 and the inverted triangular bailey truss group B3 are hinged to the two sides of the lower part of the formwork 1 through the third hydraulic cylinder group 6 respectively, so that two hinge point groups are formed; the group of hinge points on the left side is hinged with the upper end of the inverted triangular bailey frame group A2 through a group of straight rods 7, and the group of hinge points on the right side is hinged with the upper end of the inverted triangular bailey frame group B3 through another group of straight rods 7. And the third hydraulic cylinders on two sides are opened to support the side wall hinged template 1, so that the tail end lap joint section is attached to the formed lining section, the honeycomb pitted surface caused by slurry leakage is prevented, and the quality of the lining structure is improved.
As shown in fig. 2, the lifting mechanism in the present apparatus includes four first hydraulic cylinders 8, and the number of the first hydraulic cylinders 8 is four. Four first hydraulic cylinders 8 are distributed on the left and right of the front end of the main body supporting frame and the left and right of the rear end of the main body supporting frame, and the four first hydraulic cylinders 8 extend and shorten to further enable the main body supporting frame and the template 1 to lift. In addition, a lead screw 9 which faces vertically downwards is respectively arranged on the left side and the right side of the front end of the main body supporting frame and the left side and the right side of the rear end of the main body supporting frame. The specific connections of the four lead screws 9 are located in the same way as the first hydraulic cylinder 8. And after the four first hydraulic cylinders 8 extend out, the whole device is jacked up to complete the positioning and supporting of the tunnel secondary lining trolley. And the four lead screws 9 are manually screwed out of the lead screws 10 of the lead screws 9 after the first hydraulic cylinder 8 extends out, and the lead screws 10 are also tightly propped against the ground, so that the problem that the template 1 descends when a hydraulic system driving the first hydraulic cylinder 8 breaks down is avoided, therefore, the four lead screws 9 play a role in safety, and the construction safety is enhanced.
The wheel driven mechanism includes a second hydraulic cylinder 11 and a roller 12 rotatably connected to a lower end of the second hydraulic cylinder 11. The second hydraulic cylinders 11 are provided with two hydraulic cylinders 11, the two second hydraulic cylinders 11 are distributed on the left side and the right side of the rear portion of the main body supporting frame, and the rollers 12 are in contact with the ground through the extension of the second hydraulic cylinders 11. The cylinder base of the first hydraulic cylinder 8 and the cylinder base of the second hydraulic cylinder 11 are both fixedly connected with the main body support frame through a fixing cylinder 13, and the telescopic rod of the first hydraulic cylinder 8 and the telescopic rod of the second hydraulic cylinder 11 respectively face the lower end opening of the corresponding fixing cylinder 13. The lower end of the telescopic rod of the first hydraulic cylinder 8 and the lower end of the telescopic rod of the second hydraulic cylinder 11 are fixedly connected with supporting legs 14, and each supporting leg 14 is connected with the corresponding fixed cylinder 13 in a sliding mode. The lower ends of the supporting legs 14 of the first hydraulic cylinder 8 are provided with foot plates 15, and the lower ends of the screw rods 10 of the four screw rods 9 are also provided with the foot plates 15. The lower end of the leg 14 of the second hydraulic cylinder 11 is rotatably connected with the roller 12 through a rotary disc 16, and the roller 12 rotates in a horizontal plane through the rotary disc 16.
The hydraulic track driving mechanisms in the equipment are two, and specifically, the two hydraulic track driving mechanisms are distributed at the bottom of the inverted-triangular bailey truss group A2 and the bottom of the inverted-triangular bailey truss group B3. The hydraulic track driving mechanism is opposite to the two second hydraulic cylinders 11 one by one in the front-back direction. Each hydraulic track driving mechanism comprises a track assembly 17, a driving motor and a bearing frame 18; each crawler belt assembly 17 is connected with the main body supporting frame in a sliding mode through one bearing frame 18, a hydraulic driving motor matched with the crawler belt assembly 17 is arranged on each bearing frame 18, the two crawler belt assemblies 17 and the two rollers 12 are in contact with the ground, all the crawler belt assemblies 17 are driven to rotate by the driving motors, and then the main body supporting frame and the template 1 move on the ground. The crawler belt assembly 17 is rotatably connected to the middle of the bearing frame 18 through the rotating shaft 5, so that the crawler belt can adapt to the fluctuation of the road surface. Each bearing frame 18 is provided with four vertically upward guide rods 19, the main body support frame is provided with a sliding sleeve 20 corresponding to each guide rod 19, and the guide rods 19 penetrate through the sliding sleeves 20 so as to enable the two hydraulic crawler driving mechanisms to be connected with the main body support frame in a sliding manner along the vertical direction; each guide rod 19 is provided with a limiting ring 21, all the limiting rings 21 are located below the bearing frame 18, and all the limiting rings 21 are located at the same height. When the four first hydraulic cylinders 8 are extended to be pressed against the ground, the sliding sleeves 20 slide upwards along the corresponding guide rods 19, so that the hydraulic track driving mechanism does not ascend along with the ascending of the main body supporting frame. On the contrary, all the first hydraulic cylinders 8 are retracted to the lowest point, and at the same time, the sliding sleeves 20 slide down to the position limiting rings 21 along the corresponding guide rods 19, so that the whole equipment falls to the original position and is moved by the two hydraulic track driving mechanisms and the wheel driven mechanism in a load-bearing manner. In the lifting process, the guide rod 19 and the sliding sleeve 20 play a role in guiding, and dislocation of the two hydraulic crawler driving mechanisms during lifting is avoided.
The equipment can run on the ground of a tunnel without a track, is not only suitable for a straight tunnel, but also suitable for a curve tunnel. Aiming at the turning requirement and the positioning requirement before pouring of the curved tunnel, the method of the equipment comprises the following steps:
turning: the direction of the rollers of the two rear wheel type driven mechanisms is kept unchanged through the turntables, and the rotating speeds of the two hydraulic crawler driving mechanisms are adjusted, so that the rotating speeds of the two groups of crawler assemblies are different to form speed difference or unilateral driving, and the steering requirement of the whole equipment is met.
Positioning: s1, starting an infrared projector arranged on a front end arch crown to move forwards or backwards through unilateral driving of two hydraulic crawler driving mechanisms, adjusting the position of a lining trolley template through roller steering matching, enabling the front end of the template to be located in the middle of a tunnel, and starting four first hydraulic cylinders to lift the lining trolley to be suspended when rear wheels of a traveling device are suspended.
And S2, rotating the rollers of the two rear wheel driven mechanisms by 90 degrees through the turntable, and enabling the axes of the two driven walking rollers to be vertical to the direction of the tunnel.
S3, opening a second hydraulic cylinder to enable the rollers of the two wheel-type driven mechanisms at the rear end to fall to the ground, and then synchronously opening a first hydraulic cylinder at the front end and two second hydraulic cylinders at the rear end to jack the lining trolley to enable the two ends of the lining trolley to synchronously rise; however, as the lining trolley moves and walks, particularly the curved tunnel turns to and walks, and the gravity center of the line ultrahigh lining trolley deviates, different degrees of transverse displacement can be generated, namely the rear end of the template deviates to the left side or the right side of the tunnel, and the panel of the lining trolley and the left side or the right side of the formed lining structure overlap joint section template are firstly contacted with the arched surface part of the tunnel lining concrete. And (4) continuing jacking the lining trolley, pushing the driven travelling wheels with the rear ends turned to 90 degrees to move towards the other side under the action of the resultant force of the jacking force and the reactive force of the lining concrete until the lap joint section of the rear end of the template of the lining trolley is completely attached to the molded lining concrete.
S4, opening the two first hydraulic cylinders at the rear end to extend to the concrete floor for stress support; the front end utilizes an infrared projector to correct the conducting wire and the elevation back support front end arch top support top stress; putting down four screw rods at the bottom to jack up the reinforcing supports, and finishing positioning of the lining trolley; sequentially opening wall template components at two sides of the lining trolley to support a hydraulic jack, reinforcing a screw rod and supporting and reinforcing a short side wall template component according to a conventional process, installing a front end plug template, plugging and the like; the mould removal of the two-lining trolley is the same as the conventional process.
The lifting mechanism, the hydraulic track driving mechanism and the wheel type driven mechanism of the device can completely meet the tunnel building construction requirements, particularly the turning and walking of a curved tunnel are more convenient, in the process of positioning the lining trolley, the rear end of the device is in contact with the overlapping section of the arched curved surface of the formed lining concrete structure by utilizing the arched panel of the lining trolley, in the process of jacking the lining trolley, the rear end driven walking wheels are pushed under the action of resultant force formed by jacking force and reactive force of lining concrete, so that the rear end of the template of the lining trolley is transversely displaced, and the automatic homing to the attachment is realized; the front end utilizes the arch crown lead arranged on the front end arch crown and the three-line infrared projector of the elevation of the side walls on the two sides to adjust the nuclear elevation of the lifting jack supported by the main bodies on the two sides of the front end, and the nuclear lead is adjusted on the supporting rods on the two sides to realize the quick and accurate positioning of the front end. Compared with the existing lining trolley, the lining trolley has smaller difficulty in moving walking, turning walking operation and positioning operation, saves track transferring splicing and sleeper transferring support pad work, and saves labor, time and labor; the main body supporting system is directly supported on the concrete ground, so that the middle parts of a track and a sleeper support are omitted, the elastic and inelastic deformation of the supporting system is reduced, the slab staggering and slurry leakage at the construction joint of the lining structure can be effectively reduced, and the appearance quality of the lining concrete structure is improved; the modification work cost is saved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A trackless self-propelled tunnel secondary lining trolley comprises a main body supporting frame and a template covered outside the main body supporting frame; the method is characterized in that: the lifting mechanism, the hydraulic crawler driving mechanism and the wheel type driven mechanism are arranged at the lower part of the main body supporting frame;
the lifting mechanism comprises a first hydraulic cylinder; the four first hydraulic cylinders are distributed on the left side and the right side of the front end of the main body supporting frame and the left side and the right side of the rear end of the main body supporting frame, and the main body supporting frame and the template are lifted and lowered by extending and shortening the four first hydraulic cylinders;
the wheel type driven mechanism comprises a second hydraulic cylinder and a roller which is rotatably connected to the lower end of the second hydraulic cylinder; the two second hydraulic cylinders are distributed on the left side and the right side of the rear part of the main body supporting frame, and the rollers are contacted with the ground by extending the second hydraulic cylinders;
the two hydraulic crawler driving mechanisms are distributed on the left side and the right side of the front part of the main body supporting frame; each hydraulic crawler driving mechanism comprises a crawler assembly, a driving motor and a bearing frame; every track subassembly all is connected through one bearing frame and main part support frame rotate, and all be equipped with a driving motor who is connected with the track subassembly transmission on every bearing frame, through two track subassemblies and two gyro wheels and ground contact and by all track subassemblies rotations of driving motor drive, and then make main part support frame and template move subaerial.
2. The trackless self-propelled tunnel secondary lining trolley of claim 1, characterized in that: the cylinder seat of the first hydraulic cylinder and the cylinder seat of the second hydraulic cylinder are fixedly connected with the main body supporting frame through the fixing cylinders, and the telescopic rods of the first hydraulic cylinder and the second hydraulic cylinder respectively face the lower end openings of the corresponding fixing cylinders.
3. The trackless self-propelled tunnel secondary lining trolley of claim 2, characterized in that: the lower end of the telescopic rod of the first hydraulic cylinder and the lower end of the telescopic rod of the second hydraulic cylinder are fixedly connected with supporting legs, and each supporting leg is connected with the corresponding fixed cylinder in a sliding mode.
4. The trackless self-propelled tunnel secondary lining trolley of claim 3, characterized in that: and foot plates are arranged at the lower ends of the support legs of the first hydraulic cylinders.
5. The trackless self-propelled tunnel secondary lining trolley of claim 3, characterized in that: the lower ends of the supporting legs of the second hydraulic cylinders are rotatably connected with the rollers through the turntables, and the rollers rotate in the horizontal plane through the turntables.
6. The trackless self-propelled tunnel secondary lining trolley of claim 1, characterized in that: the left side and the right side of the front end of the main body supporting frame and the left side and the right side of the rear end of the main body supporting frame are respectively provided with a vertically downward screw rod.
7. The trackless self-propelled tunnel secondary lining trolley of claim 1, characterized in that: each bearing frame is provided with four guide rods in the vertical direction, the main body support frame is provided with a sliding sleeve corresponding to each guide rod, and the guide rods penetrate through the sliding sleeves so that the hydraulic crawler driving mechanism is connected with the main body support frame in a sliding mode in the vertical direction; every the guide bar all is equipped with the spacing ring, and all spacing rings all are located the below of bearing frame and all spacing rings are located same height.
8. The trackless self-propelled tunnel secondary lining trolley of claim 1, characterized in that: the main body support frame comprises an inverted triangular bailey frame group A and an inverted triangular bailey frame group B; the inverted triangular bailey truss group A and the inverted triangular bailey truss group B are respectively positioned at the left lower part and the right lower part of the template and are used for forming longitudinal support systems at two sides of the main support frame.
9. The trackless self-propelled tunnel secondary lining trolley of claim 8, characterized in that: the upper ends of the inverted-triangular bailey frame group A and the inverted-triangular bailey frame group B are connected with the template through a bailey frame C formed by connecting a plurality of bud pieces and a plurality of connecting parts.
10. The trackless self-propelled tunnel secondary lining trolley of claim 1, characterized in that: the crawler belt assembly is rotatably connected to the middle of the bearing frame through the rotating shaft, so that the crawler belt is adaptive to the fluctuation of the road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020973684.4U CN212202075U (en) | 2020-06-01 | 2020-06-01 | Trackless self-propelled tunnel secondary lining trolley |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020973684.4U CN212202075U (en) | 2020-06-01 | 2020-06-01 | Trackless self-propelled tunnel secondary lining trolley |
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| CN212202075U true CN212202075U (en) | 2020-12-22 |
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| CN202020973684.4U Expired - Fee Related CN212202075U (en) | 2020-06-01 | 2020-06-01 | Trackless self-propelled tunnel secondary lining trolley |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709162A (en) * | 2020-12-30 | 2021-04-27 | 中铁六局集团北京铁路建设有限公司 | Large-span thin-wall concrete sound barrier pouring trolley |
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2020
- 2020-06-01 CN CN202020973684.4U patent/CN212202075U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709162A (en) * | 2020-12-30 | 2021-04-27 | 中铁六局集团北京铁路建设有限公司 | Large-span thin-wall concrete sound barrier pouring trolley |
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Granted publication date: 20201222 |