Hydraulic formwork trolley for railway yard drainage ditch construction

Abstract

The utility model discloses a hydraulic formwork trolley for construction of a drainage ditch of a railway yard, which comprises a main truss, electric walking wheels, a supporting lifting oil cylinder, a supporting oil cylinder, an outer side formwork assembly, an inner side formwork and bottom formwork assembly, a cover plate groove formwork assembly and an operation center console, the supporting lifting oil cylinder is arranged on the main truss, the bottom end of the supporting lifting oil cylinder is connected with the supporting oil cylinder, and the outer side formwork assembly, the inner side formwork, the bottom formwork assembly and the cover plate groove formwork assembly are connected to the main truss. The electric walking wheels, the supporting lifting oil cylinders, the supporting oil cylinders, a driving mechanism of the outer side mold assembly, a driving mechanism of the inner side mold and bottom mold assembly and a driving mechanism of the cover plate groove mold plate assembly are all connected with the operation center console. The construction efficiency of the railway yard drainage ditch is improved, the construction operation time is shortened, the construction safety quality is guaranteed, and the construction cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway station drainage ditch construction technical field, concretely is a kind of hydraulic formwork trolley for railway station drainage ditch construction. BACKGROUND

[0002] At present, with the increasing railway projects, to meet the requirements of railway train operation, a large number of station engineering need to be matched. Station drainage engineering is the key point in railway station construction. The traditional railway station drainage ditch has various forms, and the reinforcement mode of formwork and counter-pulling screw rod is adopted, and the bottom plate and side wall need to be poured separately, and the base trench excavation needs to be widened. The construction period of each section of station drainage ditch is generally 4-5 days, and the earthwork excavation and backfill engineering quantity is large, the construction process is time-consuming and labor-intensive, which greatly increases the construction operation time, is not conducive to the time-space effect and efficiency of ditch construction, and increases the safety risk of base trench construction. SUMMARY

[0003] The utility model solves the technical problem to provide a kind of hydraulic formwork trolley for railway station drainage ditch construction, improve the construction efficiency of railway station drainage ditch, reduce construction operation time, ensure construction safety quality, reduce construction cost.

[0004] The technical scheme of the utility model is as follows:

[0005] A kind of hydraulic formwork trolley for railway station drainage ditch construction, including main truss, two groups of electric traveling wheels, two groups of support lifting oil cylinders, two groups of support oil cylinders, outer side mold component, inner side mold and bottom mold component, cover plate groove formwork component and operation control console, main truss includes two vertically arranged side trusses and horizontal truss fixedly connected to the top of two side trusses, two groups of electric traveling wheels are connected to the bottom of two side trusses respectively, two groups of support lifting oil cylinders are connected to two side trusses respectively and the bottom end thereof is lifting end, two groups of support oil cylinders are connected to the bottom end of two groups of support lifting oil cylinders respectively, when the lifting end of two groups of support lifting oil cylinders moves to the bottom end, the horizontal height of the bottom end of two groups of support oil cylinders is lower than the horizontal height of the bottom end of two groups of electric traveling wheels, when the lifting end of two groups of support lifting oil cylinders moves to the top end, the horizontal height of the bottom end of two groups of support oil cylinders is higher than the horizontal height of the bottom end of two groups of electric traveling wheels;

[0006] The outer side mold component includes two groups of outer side mold hanging oil cylinders and two outer side formworks, the top of two groups of outer side mold hanging oil cylinders is fixedly connected to horizontal truss, and the top of two outer side formworks is fixedly connected to the bottom of two groups of outer side mold hanging oil cylinders respectively.

[0007] The inner side mold and the bottom mold assembly include a group of bottom mold hanging oil cylinders, a bottom mold plate, two inner side mold plates, an inner mold contraction oil cylinder and an inner mold contraction main keel, the top end of the group of bottom mold hanging oil cylinders is fixedly connected to the horizontal truss and located between the two outer side mold hanging oil cylinders, the bottom mold plate is fixedly connected to the bottom end of the group of bottom mold hanging oil cylinders, the bottom ends of the two inner side mold plates are hinged to the two side edges of the bottom mold plate, the inner mold contraction oil cylinder is fixedly arranged on the top end of the bottom mold plate, a row of support plates is vertically arranged on the top end of the bottom mold plate, the row of support plates extends along the longitudinal direction of the main truss and is parallel to each other, the inner mold contraction main keel extends along the longitudinal direction of the main truss and is arranged on the row of support plates, the inner mold contraction main keel is connected with the telescopic end of the inner mold contraction oil cylinder, and the inner walls of the two inner side mold plates are respectively hinged to the two side walls of the inner mold contraction main keel through a group of horizontal hinge plates.

[0008] The cover plate groove mold plate assembly includes two groups of cover plate groove mold plate hanging oil cylinders and two cover plate groove mold plates, the top ends of the two groups of cover plate groove mold plate hanging oil cylinders are fixedly connected to the horizontal truss, one group of cover plate groove mold plate hanging oil cylinders is located between one group of outer side mold hanging oil cylinders and bottom mold hanging oil cylinders, and the other group of cover plate groove mold plate hanging oil cylinders is located between the other group of outer side mold hanging oil cylinders and bottom mold hanging oil cylinders, and the top ends of the two cover plate groove mold plates are respectively fixedly connected to the bottom ends of the two groups of cover plate groove mold plate hanging oil cylinders.

[0009] The operation center console is fixedly arranged on the lower part of one of the side trusses, and the two groups of electric walking wheels, the two groups of support lifting oil cylinders, the two groups of support oil cylinders, the two groups of outer side mold hanging oil cylinders, the bottom mold hanging oil cylinders, the inner mold contraction oil cylinder and the two groups of cover plate groove mold plate hanging oil cylinders are connected with the operation center console.

[0010] Each group of support lifting oil cylinders includes two support lifting oil cylinders, and the top ends of the two support lifting oil cylinders are respectively connected to the two longitudinal ends of the corresponding side truss; each group of support oil cylinders includes two support oil cylinders, and each support oil cylinder is connected to the bottom end of the corresponding support lifting oil cylinder; each group of outer side mold hanging oil cylinders includes two outer side mold hanging oil cylinders, and the top ends of the two outer side mold hanging oil cylinders are respectively connected to the two longitudinal ends of the horizontal truss; the group of bottom mold hanging oil cylinders includes two bottom mold hanging oil cylinders, and the top ends of the two bottom mold hanging oil cylinders are respectively connected to the two longitudinal ends of the horizontal truss; and each group of cover plate groove mold plate hanging oil cylinders includes two cover plate groove mold plate hanging oil cylinders, and the top ends of the two cover plate groove mold plate hanging oil cylinders are respectively connected to the two longitudinal ends of the horizontal truss.

[0011] The horizontal truss is provided with two groups of positioning and adjusting assemblies, each group of positioning and adjusting assemblies comprises two positioning and adjusting assemblies, each positioning and adjusting assembly is provided with a row of transversely arranged connecting holes, the top end of each outer side mold hanging oil cylinder is fixedly connected with one connecting hole on the corresponding positioning and adjusting assembly through connecting bolts, and the connecting holes for connecting the two outer side mold hanging oil cylinders on the two groups of positioning and adjusting assemblies are symmetrical along the longitudinal axis of the horizontal truss.

[0012] The top surface of the bottom mold plate is fixedly provided with an inner mold support main keel, the inner mold contraction oil cylinder and the bottom end of the row of support plates are fixedly arranged on the top surface of the inner mold support main keel, and the bottom end of the group of bottom mold hanging oil cylinders is hingedly connected to the top end of the inner mold support main keel.

[0013] The two side trusses are hingedly connected with a row of longitudinally arranged outer side mold adjustable support lead screws, the outer end of each outer side mold adjustable support lead screw is hingedly connected with the side truss, and the inner end of each outer side mold adjustable support lead screw is hingedly connected with the top end of the corresponding outer side mold plate.

[0014] The two outer side mold plates are hingedly connected with a row of longitudinally arranged cover groove mold plate adjustable support lead screws between the corresponding one cover groove mold plate on the inner side, the inner end of each cover groove mold plate adjustable support lead screw is hingedly connected with the top end of the corresponding cover groove mold plate, and the outer end of each cover groove mold plate adjustable support lead screw is hingedly connected with the top end of the corresponding outer side mold plate.

[0015] The utility model discloses the advantages of:

[0016] The utility model discloses can directly move and position to the construction work section of railway station field drainage ditch, lower and position inner side mold plate, outer side mold plate, bottom plate and cover groove mold plate, and after the construction work section of railway station field drainage ditch construction is completed, can fastly retrieve each mold plate, and move to continue construction next construction work section, has improved the construction efficiency of railway station field drainage ditch, has reduced construction operation time, has guaranteed construction safety quality, has reduced construction cost. DRAWINGS

[0017] Figure 1 It is the front elevation sectional view under the construction state of the utility model.

[0018] Figure 2 It is the front elevation sectional view under the retraction state of the utility model.

[0019] Figure 3 It is Figure 2 The A part enlarged view in

[0020] Figure 4 It is the side elevation sectional view of the utility model.

[0021] Figure 5It is the structural schematic view of the inner mold shrinkage oil cylinder and the inner mold shrinkage main keel connection of the utility model.

[0022] The figure mark: 1-horizontal truss, 2-side truss, 3-electric walking wheel, 4-support lifting oil cylinder, 5-support oil cylinder, 6-outer side mold hanging oil cylinder, 7-outer side formwork, 8-positioning adjusting assembly, 9-bottom mold hanging oil cylinder, 10-bottom formwork, 11-inner side formwork, 12-inner mold support main keel, 13-inner mold shrinkage oil cylinder, 14-inner mold shrinkage main keel, 15-supporting plate, 16-horizontal hinged plate, 17-covering plate groove formwork hanging oil cylinder, 18-covering plate groove formwork, 19-operating center console, 20-outer side mold adjustable support lead screw, 21-covering plate groove formwork adjustable support lead screw. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range protected by the utility model.

[0024] See Figures 1-5 A hydraulic formwork trolley for railway station drainage ditch construction, including main truss, two groups of electric walking wheels 3, two groups of support lifting oil cylinders 4, two groups of support oil cylinders 5, outer side mold assembly, inner side mold and bottom mold assembly, covering plate groove formwork assembly and operating center console 19, the main truss includes two vertically arranged side trusses 2 and the horizontal truss 1 fixedly connected to the top of the two side trusses 2, two groups of electric walking wheels 3 are connected to the bottom of the two side trusses 2 respectively, each group of support lifting oil cylinder includes two support lifting oil cylinders 4, and the two support lifting oil cylinders 4 are connected to the longitudinal two ends of the corresponding one side truss 2 respectively, each group of support oil cylinder includes two support oil cylinders, and each support oil cylinder 5 is connected to the bottom (lifting end) of the corresponding one support lifting oil cylinder 4, when the lifting end of the two groups of support lifting oil cylinders moves to the bottom end, the horizontal height of the bottom end of the two groups of support oil cylinders 5 is lower than the horizontal height of the bottom end of the two groups of electric walking wheels 3, when the lifting end of the two groups of support lifting oil cylinders 5 moves to the top end, the horizontal height of the bottom end of the two groups of support oil cylinders 5 is higher than the horizontal height of the bottom end of the two groups of electric walking wheels 3;

[0025] The outer side mold assembly comprises two groups of outer side mold hanging oil cylinders and two outer side mold plates 7. Each group of outer side mold hanging oil cylinders comprises two outer side mold hanging oil cylinders 6. Two groups of positioning and adjusting assemblies 8 are arranged on the horizontal truss 1. Each group of positioning and adjusting assemblies 8 comprises two positioning and adjusting assemblies. Each positioning and adjusting assembly 8 is provided with a row of transversely arranged connecting holes. The top end of each outer side mold hanging oil cylinder 6 is fixedly connected to one of the connecting holes of the corresponding positioning and adjusting assembly 8 by connecting bolts. The connecting holes of the two groups of positioning and adjusting assemblies 8 connected to the two outer side mold hanging oil cylinders 6 are symmetrical along the longitudinal axis of the horizontal truss 1. The top ends of the two outer side mold plates 7 are fixedly connected to the bottom ends of the two groups of outer side mold hanging oil cylinders 6.

[0026] The inner side mold and bottom mold assembly comprises a group of bottom mold hanging oil cylinders 9, a bottom mold plate 10, two inner side mold plates 11, an inner mold support main keel 12, an inner mold contraction oil cylinder 13 and an inner mold contraction main keel 14. The group of bottom mold hanging oil cylinders comprises two bottom mold hanging oil cylinders 9. The top ends of the two bottom mold hanging oil cylinders 9 are respectively connected to the two longitudinal ends of the horizontal truss 1 and are located between the two groups of outer side mold hanging oil cylinders 6. The inner mold support main keel 12 extends along the longitudinal direction of the main truss and is fixedly arranged on the top surface of the bottom mold plate 10. The top end of the inner mold support main keel 12 is fixedly connected to the bottom end of the group of bottom mold hanging oil cylinders 9. The bottom ends of the two inner side mold plates 11 are hingedly connected to the two side edges of the bottom mold plate 10. A row of support plates 15 is vertically arranged on the top end of the inner mold support main keel 12. The row of support plates 15 extends along the longitudinal direction of the main truss and are parallel to each other. The inner mold contraction main keel 14 extends along the longitudinal direction of the main truss and is arranged through the row of support plates 15. The inner mold contraction oil cylinder 13 is fixedly connected to one of the support plates 15. The inner mold contraction main keel 14 is connected to the extension end of the inner mold contraction oil cylinder 13. The inner walls of the two inner side mold plates 11 are respectively hingedly connected to the two side walls of the inner mold contraction main keel 14 through a group of horizontal hinge plates 16.

[0027] The cover plate groove mold plate assembly comprises two groups of cover plate groove mold plate hanging oil cylinders 17 and two cover plate groove mold plates 18. Each group of cover plate groove mold plate hanging oil cylinders 17 comprises two cover plate groove mold plate hanging oil cylinders. The top ends of the two cover plate groove mold plate hanging oil cylinders 17 are respectively connected to the two longitudinal ends of the horizontal truss 1. One group of cover plate groove mold plate hanging oil cylinders 17 is located between one group of outer side mold hanging oil cylinders 6 and bottom mold hanging oil cylinders 9. The other group of cover plate groove mold plate hanging oil cylinders 17 is located between the other group of outer side mold hanging oil cylinders 6 and bottom mold hanging oil cylinders 9. The top ends of the two cover plate groove mold plates 18 are fixedly connected to the bottom ends of the two groups of cover plate groove mold plate hanging oil cylinders 7.

[0028] The operation center console 19 is fixedly arranged on the lower part of one of the side trusses 2, and the two groups of electric walking wheels 3, the two groups of support lifting oil cylinders 4, the two groups of support oil cylinders 5, the two outer side form hanging oil cylinders 6, the bottom form hanging oil cylinder 9, the inner form retracting oil cylinder 13 and the two cover groove form plate hanging oil cylinders 17 are all connected with the operation center console 19.

[0029] When the two outer side form plates 7 are positioned by being lowered, a row of longitudinally arranged outer side form adjustable support lead screws 20 are hinged to the two side trusses 2, the outer ends of each outer side form adjustable support lead screw 20 are hinged to the side truss 2, and the inner ends of each outer side form adjustable support lead screw 20 are hinged to the top end of the corresponding outer side form plate 7.

[0030] When the two cover groove form plates 18 are positioned by being lowered, a row of longitudinally arranged cover groove form plate adjustable support lead screws 21 are hinged between the two outer side form plates 7 and the corresponding cover groove form plate 18 on the inner side, the inner ends of each cover groove form plate adjustable support lead screw 21 are hinged to the top end of the corresponding cover groove form plate 18, and the outer ends of each cover groove form plate adjustable support lead screw 21 are hinged to the top end of the corresponding outer side form plate 7.

[0031] The working principle of the utility model:

[0032] I. see Figure 1 , the construction method of the hydraulic formwork trolley, comprising the following steps:

[0033] (1), after the two groups of electric walking wheels 3 drive the hydraulic formwork trolley to move to the construction section of the railway station field drainage ditch, the two groups of support lifting oil cylinders 4 drive the lifting ends of the two groups of support oil cylinders 5 to move downwards, the main truss is positioned by being lifted, then the two groups of support oil cylinders 5 are finely adjusted in the plane position, after the adjustment is completed, the two groups of support lifting oil cylinders 4 are finely adjusted in the elevation, and the hydraulic formwork trolley is positioned and adjusted;

[0034] (2), the bottom form plate 10 and the two inner side form plates 11 are lowered by one group of bottom form hanging oil cylinders 9, after being lowered in place, the inner form retracting main keel 14 is translated rearward by the inner form retracting oil cylinder 13, and the inner form retracting main keel 14 drives the top of the two inner side form plates 11 to open through the two rows of horizontal hinge plates 16;

[0035] (3), the two groups of outer side form plates 7 are lowered to the designed position by the two groups of outer side form hanging oil cylinders, then the outer side form adjustable support lead screw 20 is installed to support the outer side form plate 7, and the thickness of the side wall of the ditch is adjusted by adjusting the connecting position of the two outer side form plates 7 and the positioning and adjusting assembly 8;

[0036] (4), the two cover groove form plates 18 are lowered to the designed position by the two groups of cover groove form plate hanging oil cylinders 17, and then the cover groove form plate adjustable support lead screw 21 is installed to support the cover groove form plate 18;

[0037] (5), install end template, pour concrete, the above steps (1)-(4) are all completed by operating the operation center console 19.

[0038] II. see Figure 2 , the formwork dismantling method of the hydraulic formwork trolley, comprising the following steps:

[0039] (1), first remove the end template, the outer side form adjustable support lead screw 20 and the installation cover plate groove template adjustable support lead screw 21, then drive two outer side formwork 7 from the structure by two groups of outer side form hanging oil cylinder, complete the removal of the outer side form assembly;

[0040] (2), drive two cover plate groove formwork 18 from the structure by two groups of cover plate groove formwork hanging oil cylinder 17, complete the removal of the cover plate groove formwork assembly;

[0041] (3), the inner form retraction oil cylinder 13 drives the inner form retraction main keel 14 to translate forward, the inner form retraction main keel 14 drives the top of two inner side formwork 11 to retract through two rows of horizontal hinged plates 16, so that the inner side formwork 11 is completely separated from the structure, then lift the inner form support main keel 12 through a group of bottom form hanging oil cylinder 9, the inner form support main keel 12 drives the bottom formwork 10 and two inner side formwork 11 to move upward synchronously and separate from the structure, complete the removal of the inner side form and bottom form assembly;

[0042] (4), two groups of support lifting oil cylinder 4 drive the lifting end of two groups of support oil cylinder 5 to move upward, so that the horizontal height of the bottom end of two groups of support oil cylinder 5 is higher than the horizontal height of the bottom end of two groups of electric walking wheels 3, at this time two groups of electric walking wheels 3 support the main truss, then start two groups of electric walking wheels 3, two groups of electric walking wheels 3 drive the hydraulic formwork trolley to move to the next construction section of the railway station field drainage ditch, the above steps (1)-(4) are all completed by operating the operation center console 19.

[0043] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A hydraulic formwork trolley for constructing drainage ditches in railway stations, characterized in that: It includes a main truss, two sets of electric walking wheels, two sets of support lifting cylinders, two sets of support cylinders, an outer mold assembly, an inner mold and bottom mold assembly, a cover plate groove template assembly, and an operation control panel. The main truss includes two vertically arranged side trusses and a horizontal truss fixedly connected to the top of the two side trusses. The two sets of electric walking wheels are respectively connected to the bottom of the two side trusses. The two sets of support lifting cylinders are respectively connected to the two side trusses, and their bottom ends are lifting ends. The two sets of support cylinders are respectively connected to the bottom of the two sets of support lifting cylinders. When the lifting ends of the two sets of support lifting cylinders move to the bottom, the horizontal height of the bottom of the two sets of support cylinders is lower than the horizontal height of the bottom of the two sets of electric walking wheels. When the lifting ends of the two sets of support lifting cylinders move to the top, the horizontal height of the bottom of the two sets of support cylinders is higher than the horizontal height of the bottom of the two sets of electric walking wheels. The outer mold assembly includes two sets of outer mold hanging cylinders and two outer templates. The tops of the two sets of outer mold hanging cylinders are fixedly connected to the horizontal truss, and the tops of the two outer templates are respectively fixedly connected to the bottoms of the two sets of outer mold hanging cylinders. The inner mold and bottom mold assembly includes a set of bottom mold hanging cylinders, a bottom template, two inner templates, an inner mold shrinking cylinder, and an inner mold shrinking main keel. The top of the set of bottom mold hanging cylinders is fixedly connected to the horizontal truss and located between the two outer mold hanging cylinders. The bottom template is fixedly connected to the bottom end of the set of bottom mold hanging cylinders. The bottom ends of the two inner templates are hinged to the two side edges of the bottom template. The inner mold shrinking cylinder is fixedly set on the top of the bottom template. A row of support plates is vertically set on the top of the bottom template. The row of support plates extends longitudinally along the main truss and is parallel to each other. The inner mold shrinking main keel extends longitudinally along the main truss and passes through the row of support plates. The inner mold shrinking main keel is connected to the telescopic end of the inner mold shrinking cylinder. The inner walls of the two inner templates are respectively hinged to the two side walls of the inner mold shrinking main keel through a set of horizontal hinge plates. The cover plate groove template assembly includes two sets of cover plate groove template hanging cylinders and two cover plate groove templates. The top ends of the two sets of cover plate groove template hanging cylinders are fixedly connected to the horizontal truss. One set of cover plate groove template hanging cylinders is located between one set of outer mold hanging cylinders and bottom mold hanging cylinders, and the other set of cover plate groove template hanging cylinders is located between another set of outer mold hanging cylinders and bottom mold hanging cylinders. The top ends of the two cover plate groove templates are respectively fixedly connected to the bottom ends of the two sets of cover plate groove template hanging cylinders. The operation control panel is fixedly installed on the lower part of one of the side trusses. The two sets of electric walking wheels, two sets of support lifting cylinders, two sets of support cylinders, two outer mold hanging cylinders, bottom mold hanging cylinders, inner mold shrinking cylinders, and two cover plate groove template hanging cylinders are all connected to the operation control panel.

2. The hydraulic formwork trolley for construction of drainage ditches in railway stations according to claim 1, characterized in that: In the two sets of supporting lifting cylinders, each set includes two supporting lifting cylinders, the tops of which are respectively connected to the two ends of the longitudinal direction of a corresponding side truss; in the two sets of supporting cylinders, each set includes two supporting cylinders, each supporting cylinder connected to the bottom end of a corresponding supporting lifting cylinder; in the two sets of outer formwork hanging cylinders, each set includes two outer formwork hanging cylinders, the tops of which are respectively connected to the two ends of the longitudinal direction of the horizontal truss; in the one set of bottom formwork hanging cylinders, each set includes two bottom formwork hanging cylinders, the tops of which are respectively connected to the two ends of the longitudinal direction of the horizontal truss; in the two sets of cover plate groove formwork hanging cylinders, each set includes two cover plate groove formwork hanging cylinders, the tops of which are respectively connected to the two ends of the longitudinal direction of the horizontal truss.

3. A hydraulic formwork trolley for construction of drainage ditches in railway stations according to claim 1, characterized in that: The horizontal truss is provided with two sets of positioning adjustment components. Each set of positioning adjustment components includes two positioning adjustment components. Each positioning adjustment component is provided with a row of horizontally arranged connection holes. The top of each outer mold hanging cylinder is fixedly connected to one of the connection holes on the corresponding positioning adjustment component by connecting bolts. The connection holes on the two sets of positioning adjustment components that connect to the two outer mold hanging cylinders are symmetrical along the longitudinal axis of the horizontal truss.

4. A hydraulic formwork trolley for construction of drainage ditches in railway stations according to claim 1, characterized in that: The bottom template is fixedly provided with an inner mold support main keel. The bottom ends of the inner mold shrink cylinder and a row of support plates are fixedly provided on the top surface of the inner mold support main keel. The bottom end of a set of bottom mold hanging cylinders is hinged to the top end of the inner mold support main keel.

5. A hydraulic formwork trolley for construction of drainage ditches in railway stations according to claim 1, characterized in that: Each of the two side trusses is hinged with a row of longitudinally arranged adjustable support rods for the outer mold. The outer end of each adjustable support rod is hinged to the side truss, and the inner end of each adjustable support rod is hinged to the top of the corresponding outer template.

6. A hydraulic formwork trolley for construction of drainage ditches in railway stations according to claim 1, characterized in that: Each of the two outer templates is hinged to a corresponding inner cover plate groove template with a row of longitudinally arranged adjustable support screws. The inner end of each adjustable support screw is hinged to the top of the corresponding cover plate groove template, and the outer end of each adjustable support screw is hinged to the top of the corresponding outer template.

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