A tunnel trolley

Abstract

The present application relates to the technical field of civil engineering tunnel construction, specifically, to a tunnel trolley, which can, to a certain extent, solve the problem that the specifications of the steel section welded type work platform cannot be adjusted as needed and cannot be reused. The tunnel trolley includes: a plurality of bases; a vertical column with one end detachably connected to the base; a plurality of first connection structures, wherein a plurality of grooves or protrusions are arranged at uniform angles in the circumferential direction of the first connection structure, and grooves and protrusions are respectively arranged at both ends of the axial direction of the first connection structure, and the other end of the vertical column is detachably connected to the first connection structure through the axial grooves or protrusions of the first connection structure; a plurality of transverse main rods detachably connected to the first connection structure through the circumferential protrusions or grooves of the first connection structure, and the transverse main rods are perpendicular to the vertical columns; a plurality of flat plates, the flat plates are laid on the plane formed by the plurality of transverse main rods connected by the plurality of first connection structures.

Description

Technical Field

[0001] The present application relates to the technical field of civil engineering tunnel construction, and in particular to a tunnel trolley. Background Art

[0002] In the field of civil engineering tunnel construction, since the tunnel cross-section is large and involves high-altitude operations and simultaneous operations up and down, it is necessary to build a work platform in the tunnel.

[0003] Steel-welded working platforms are often used. Specifically, the specifications of the working platform are first designed according to the actual working area and work content of the tunnel. Then, the working platform frame is welded with steel-welded working platforms according to the designed working platform specifications. Finally, a steel mesh is laid on the working platform frame, and personnel stand on the steel mesh to perform construction work.

[0004] Since the welded work platform is not convenient to disassemble and install, it cannot meet the changing construction needs in a timely manner. At the same time, it is not suitable for tunnels of other specifications. Therefore, it cannot be reused. After use, it can only be directly cut off and recycled as scrap steel. Summary of the Invention

[0005] In order to solve the problem that the specifications of the steel welding type working platform cannot be adjusted as needed and cannot be reused, the present application provides a tunnel trolley.

[0006] The embodiment of the present application is implemented as follows:

[0007] The present application provides a tunnel trolley, comprising:

[0008] Multiple bases;

[0009] A vertical column with one end detachably connected to the base;

[0010] A plurality of first connecting structures, wherein a plurality of grooves or protrusions are arranged at uniform angles in the circumferential direction of the first connecting structure, a groove and a protrusion are respectively provided along the axial ends of the first connecting structure, and the other end of the vertical column is detachably connected to the first connecting structure through the axial groove or protrusion of the first connecting structure;

[0011] a plurality of transverse main rods detachably connected to the first connecting structure through protrusions or grooves on the circumference of the first connecting structure, wherein the transverse main rods are perpendicular to the vertical columns;

[0012] A plurality of flat plates are laid on a plane formed by a plurality of transverse main rods connected by a plurality of the first connecting structures.

[0013] In some embodiments, the base comprises a mobile base;

[0014] The mobile base includes a base body, wheels, axles and limiters.

[0015] The base body is provided with a groove matching the protrusion provided on one end of the vertical column;

[0016] The base body is provided with a wheel connected via the wheel axle, and the limiting member is provided near the wheel axle of the base body and is used to limit the rotation of the wheel axle after the base is located at a preset position;

[0017] The first connecting structure is detachably connected between the base and the vertical column.

[0018] In some embodiments, the invention further comprises a plurality of supporting main rods, wherein protrusions are provided at both ends of the supporting main rods;

[0019] The transverse main rod is provided with a plurality of reserved holes in the circumference thereof;

[0020] The protrusions at both ends of the supporting main rod are inserted into the reserved holes of the transverse main rod, so that the two ends of the supporting main rod are detachably connected to the two transverse main rods.

[0021] In some embodiments, the support rod further comprises a supporting secondary rod, wherein both ends of the supporting secondary rod are provided with protrusions, and a plurality of reserved holes are opened on the circumference of the supporting primary rod;

[0022] The protrusions at both ends of the supporting auxiliary rod are inserted into the reserved holes of the supporting auxiliary rod, so that the two ends of the supporting auxiliary rod are detachably connected to the two supporting main rods.

[0023] In some embodiments, it further includes a second connecting structure and a first supporting secondary rod with holes at both ends;

[0024] The second connection structure includes:

[0025] At least one connector, wherein the connector is provided with a tension card switch, and the connector can be detachably inserted into the reserved hole included in the vertical column or the horizontal main rod by pressing the tension card switch. After the connector is inserted into the reserved hole included in the vertical column or the horizontal main rod, the tension card switch abuts against the inside of the reserved hole included in the vertical column or the horizontal main rod;

[0026] At least one connector connected to the connector, wherein the connector is provided with a connecting hole;

[0027] The connecting pieces are respectively passed through the holes at both ends of the first supporting secondary rod and the connecting holes, so as to realize the detachable connection of the first supporting secondary rod between the two vertically connected vertical columns and the horizontal main rod through the second connecting structure.

[0028] In some embodiments, further comprising a second supporting secondary rod, wherein the second supporting secondary rod comprises a straight supporting rod and a scissor supporting rod;

[0029] connecting the straight support rod between two opposing vertical posts via the second connecting structure;

[0030] The scissors support rod is connected between two opposite vertical columns through the second connecting mechanism. The scissors support rod includes two intersecting straight support rods that rotate around the intersection as an axis.

[0031] In some embodiments, further comprising a guardrail, the guardrail comprising guardrail posts and guardrail rails;

[0032] A protrusion with a hole is provided at one end of the guardrail post, and the protrusion of the post is detachably connected to the transverse main rod through a second connecting structure and a connecting piece;

[0033] The opposite sides of two adjacent guardrail posts are detachably connected with the second connecting structure, and the guardrail railings are detachably connected between the two adjacent guardrail posts via the second connecting structure and the connecting piece.

[0034] In some embodiments, a ladder is further included, wherein the ladder is arranged between two supporting main poles with a height difference;

[0035] The ladder comprises at least two handrail main rods, a plurality of treads, a plurality of handrail columns and a plurality of handrail auxiliary rods;

[0036] The protrusion at one end of the armrest main rod is detachably inserted into a reserved hole of one of the supporting main rods, and the other end of the armrest main rod is two opposite parallel plates, and the two parallel plates clamp the other supporting main rod;

[0037] A plurality of first reserved holes with uniform intervals are provided on opposite sides of the two handrail main rods, and the two ends of the step plate are respectively inserted into the opposite first reserved holes on the two handrail main rods;

[0038] A plurality of second reserved holes are formed on the opposite sides of the two handrail main rods, and the protrusions of the handrail columns are respectively inserted into the second reserved holes;

[0039] The handrail column is provided with a first through hole whose axial direction is parallel to the axial direction of the handrail main rod, and a second through hole whose axial direction is perpendicular to the axial direction of the first through hole. The handrail auxiliary rod is passed through the first through hole corresponding to the handrail column located on the same handrail main rod, and the connecting piece is passed through the second through hole and the hole included in the handrail auxiliary rod.

[0040] In some embodiments, further comprising a third connecting structure and a hanging member;

[0041] The third connection structure includes a flat connecting plate and a connecting head connected to the flat connecting plate;

[0042] At least two bolt holes are provided on the flat connecting plate, and a connecting hole is provided in the connecting head;

[0043] Therefore, the connector of the second connecting structure is inserted into the reserved hole of the vertical column, the connecting member is passed through the connecting hole of the second connecting structure and the connecting hole of the third connecting structure, and the bolt is passed through the bolt hole included in the hanger and the bolt hole of the flat connecting plate.

[0044] In some embodiments, holes are provided on the groove and the protrusion that are detachably connected to each other, and the connecting member is inserted into the holes of the groove and the protrusion that are detachably connected to each other.

[0045] The beneficial effects of the present application are as follows: by constructing a first connection structure, multiple bases, vertical columns, horizontal main poles, and flat plates are connected in sequence to form a tunnel trolley including a platform with a certain height; further, the base, vertical columns, and horizontal main poles are connected in a detachable manner, which has the characteristics of simple and convenient installation, and can achieve the effect of continuing to add or reduce structures as needed, and has strong applicability; further, after the construction is completed, the tunnel trolley is disassembled, and the base, vertical columns, horizontal main poles, and flat plates can continue to be used to build tunnel trolleys, platforms or scaffolding of other specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0047] Figure 1A This is a schematic structural diagram of a tunnel trolley according to one or more embodiments of the present application;

[0048] Figure 1B is a schematic structural diagram of another tunnel trolley according to one or more embodiments of the present application;

[0049] Figure 2 is a schematic structural diagram of a vertical column according to one or more embodiments of the present application;

[0050] Figure 3 is a structural schematic diagram of a first connecting structure provided with a plurality of protrusions in the circumferential direction according to one or more embodiments of the present application;

[0051] Figure 4is a schematic structural diagram of a transverse main rod according to one or more embodiments of the present application;

[0052] Figure 5 is a schematic structural diagram of a mobile base according to one or more embodiments of the present application;

[0053] Figure 6 is a schematic structural diagram of a supporting main rod according to one or more embodiments of the present application;

[0054] Figure 7 is a schematic structural diagram of a supporting sub-rod according to one or more embodiments of the present application;

[0055] Figure 8A is a structural schematic diagram of a second connection structure having a connector according to one or more embodiments of the present application;

[0056] Figure 8B is a structural schematic diagram of a second connection structure having a connector according to one or more embodiments of the present application;

[0057] Figure 8C is a structural schematic diagram of a second connection structure having a connector according to one or more embodiments of the present application;

[0058] Figure 8D is a schematic structural diagram of another tunnel trolley according to one or more embodiments of the present application;

[0059] Figure 9A A schematic structural diagram of a guardrail post according to one or more embodiments of the present application;

[0060] Figure 9B is a schematic structural diagram of a guardrail according to one or more embodiments of the present application;

[0061] Figure 10A This is a schematic structural diagram of a handrail main rod according to one or more embodiments of the present application;

[0062] Figure 10B is a schematic structural diagram of a handrail column according to one or more embodiments of the present application;

[0063] Figure 10C A schematic structural diagram of a ladder according to one or more embodiments of the present application;

[0064] Figure 11A is a structural diagram of a third connection structure according to one or more embodiments of the present application;

[0065] Figure 11B is a schematic diagram of the connection between the third connection structure and the pendant according to one or more embodiments of the present application;

[0066] Illustration:

[0067] Among them, 100, base; 101, base body; 102, wheel; 103, limiter; 2, first connecting structure; 3, vertical column; 4, horizontal main rod; 5, flat plate; 6, support main rod; 7, support sub-rod; 8, first support secondary rod; 9, second support secondary rod; 1000, second connecting structure; 1001, connector; 1002, tension card switch; 1003, connector; 1004, connecting hole; 1100, guardrail; 1101, guardrail column; 1102, guardrail railing; 1200, ladder; 1201, handrail main rod; 1202, step board; 1203, handrail column; 1204, handrail sub-rod; 1300, third connecting structure; 1301, flat connecting plate; 1302, connector; 1303, connecting hole; 1304, threaded hole; 14, pendant. DETAILED DESCRIPTION

[0068] In order to make the purpose, implementation mode and advantages of the present application clearer, the exemplary implementation mode of the present application will be clearly and completely described below in conjunction with the drawings in the exemplary embodiments of the present application. Obviously, the described exemplary embodiments are only part of the embodiments of the present application, not all of the embodiments.

[0069] It should be noted that the brief descriptions of terms in this application are only for the purpose of facilitating the understanding of the embodiments described below, and are not intended to limit the embodiments of this application. Unless otherwise specified, these terms should be understood according to their ordinary and usual meanings.

[0070] In the specification and claims of this application and the accompanying drawings, the terms "first," "second," "third," etc. are used to distinguish similar or similar objects or entities, and are not necessarily intended to limit a particular order or sequence, unless otherwise noted. It should be understood that the terms used in this manner are interchangeable under appropriate circumstances.

[0071] The terms "comprise," "include," and "have," and any variations thereof, are intended to cover but not exclude inclusion; for example, a product or device comprising a list of components is not necessarily limited to all the components expressly listed but may include other components not expressly listed or inherent to such product or device.

[0072] The terms "disposed" and "connected" should be understood broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of these terms in this application.

[0073] Figure 1AThe following is a schematic diagram showing the structure of a tunnel trolley. Figure 1B This is a structural diagram of another tunnel trolley.

[0074] like Figure 1A 、 Figure 1B As shown, the tunnel trolley provided in this embodiment includes: a base 100, a first connecting structure 2, a vertical column 3, a transverse main rod 4, and a plate 5. Specifically:

[0075] a plurality of bases 100;

[0076] One end of the vertical column 3 is detachably connected to the base 100; when the tunnel trolley has only one layer, the number of the base 100 is equal to the number of the vertical columns 3. Figure 2 Shown is a schematic structural diagram of a vertical column.

[0077] Multiple first connecting structures 2 are used to detachably connect two vertical columns 3 and horizontal main rods 4 that are perpendicular to each other and whose planes are perpendicular to the horizontal plane. They are also used to detachably connect two horizontal main rods 4 that are at a preset angle to each other and are parallel to the horizontal plane. They are also used to detachably connect two vertical columns 3 whose axes coincide with the straight line.

[0078] In some embodiments, multiple grooves or protrusions are arranged at uniform angles in the circumferential direction of the first connecting structure 2, and grooves and protrusions are respectively arranged at both axial ends of the first connecting structure 2. The other end of the vertical column 3 is detachably connected to the first connecting structure 2 through the axial groove or protrusion of the first connecting structure 2.

[0079] It should be noted that the circumferential arrangement of grooves or protrusions on the first connecting structure 2 refers to the arrangement of grooves or protrusions on the front, rear, left, and right sides of the first connecting structure 2, and the axial arrangement of the first connecting structure 2 refers to the upper and lower sides of the first connecting structure 2. The first connecting structure 2 is provided with protrusions or grooves on the circumference, and the angles between adjacent protrusions (or adjacent grooves) are equal, which can be 30°, 60°, 90°, 180°, etc., preferably 90°. Figure 3 It is a schematic structural diagram of a first connecting structure 2 provided with a plurality of protrusions in the circumferential direction.

[0080] A plurality of transverse main rods 4 are detachably connected to the first connecting structure 2 through protrusions or grooves on the periphery of the first connecting structure 2, and the transverse main rods 4 are perpendicular to the vertical columns 3; Figure 4 Shown is a schematic structural diagram of the transverse main rod.

[0081] A plurality of flat plates 5 are laid on a plane formed by a plurality of transverse main rods 4 connected by a plurality of first connection structures 2 .

[0082] A plurality of bases 100, a plurality of first connection structures 2, a plurality of vertical columns 3, a plurality of transverse main rods 4, and a plurality of flat plates 5 are spliced ​​together to form a tunnel trolley, where the plurality refers to three or more.

[0083] By constructing a first connection structure, multiple bases, vertical columns, horizontal main rods, and flat plates are connected in sequence to form a tunnel trolley including a platform with a certain height; further, the bases, vertical columns, and horizontal main rods are connected in a detachable manner, which has the characteristics of simple and convenient installation, and can achieve the effect of continuing to add or reduce structures as needed, and has strong applicability; further, after the construction is completed, the tunnel trolley is disassembled, and the bases, vertical columns, horizontal main rods, and flat plates can continue to be used to build tunnel trolleys, platforms or scaffolding of other specifications.

[0084] Before installation, a predetermined number of bases 100, vertical columns 3, horizontal main rods 4 and flat plates 5 are selected according to design requirements, and vertical columns 3, horizontal main rods 4 of predetermined lengths and flat plates 5 of predetermined areas are selected as needed.

[0085] Figure 5 Schematic diagram of the structure of the mobile base.

[0086] like Figure 5 As shown, the base 100 includes a mobile base; the mobile base includes a base body 101, wheels 102, a wheel axle and a limiter 103.

[0087] The base body 101 is provided with a groove that matches the protrusion provided at one end of the vertical column 3; the base body 100 is provided with a wheel 102 connected by an axle, and the limiter 103 is provided near the axle of the base body 101 and is used to limit the rotation of the axle after the base 100 is located in a preset position.

[0088] A first connecting structure 2 is detachably connected between the base 100 and the vertical column 3 .

[0089] The mobile base is transported to the designated location by rotating the wheels 102. After the mobile base is at the designated location, the limiting member 103 is clamped to the wheel axle to ensure that the mobile base is stationary, and then the vertical column 3 or the first connecting structure 2 is connected to the mobile base.

[0090] The base 100 further comprises a stationary base, which comprises a base body 101. The base body 101 is provided with a groove matching the protrusion provided at one end of the vertical column 3.

[0091] In some embodiments, the tunnel trolley further includes a plurality of supporting main rods 6 . Figure 6 The structural diagram of the supporting main rod is shown in FIG. Figure 6As shown, protrusions are provided at both ends of the supporting main rod 6, and a plurality of reserved holes are provided circumferentially on the transverse main rod 4. The protrusions at both ends of the supporting main rod 6 match the sizes of the reserved holes circumferentially on the transverse main rod 4.

[0092] The protrusions at both ends of the supporting main rod 6 are inserted into the reserved holes of the transverse main rod 4, so that the two ends of the supporting main rod 6 are detachably connected to the two transverse main rods 4.

[0093] When the distance between the two transverse main rods 4 is large, a supporting main rod 6 needs to be connected between the two transverse main rods 4 to support and bear the upper load and transfer the load to the vertical columns 3 or transverse main rods 4 on both sides.

[0094] In some embodiments, the tunnel trolley further comprises a supporting auxiliary rod 7, Figure 7 The structural diagram of the supporting rod is shown in FIG. Figure 7 As shown, protrusions are provided at both ends of the supporting auxiliary rod 7, and a plurality of reserved holes are opened on the circumference of the supporting main rod 6. The protrusions at both ends of the supporting auxiliary rod 7 match the size of the reserved holes on the circumference of the supporting main rod 6.

[0095] The protrusions at both ends of the supporting auxiliary rod 7 are inserted into the reserved holes of the supporting auxiliary rod 7, so that the two ends of the supporting auxiliary rod 7 are detachably connected to the two supporting main rods 6.

[0096] When the distance between the two supporting main rods 6 is large, it is necessary to set a supporting secondary rod 7 between the two supporting main rods 6 to support and bear the upper load and transfer the load to the vertical columns 3, horizontal main rods 4 or supporting main rods 6 on both sides.

[0097] In some embodiments, the tunnel trolley further includes a second connecting structure 1000 and a first supporting secondary rod 8 with holes formed at both ends.

[0098] Figure 8A shows a schematic structural diagram of a second connection structure having a connector, Figure 8B shows a schematic structural diagram of a second connection structure having a connector, Figure 8C A structural schematic diagram of a second connection structure having a connector is shown.

[0099] like Figure 8A 、 Figure 8B and Figure 8C As shown, the second connection structure 1000 includes: at least one plug-in connector 1001 and at least one connector 1002 .

[0100] At least one connector 1001 is provided with a tension card switch 1002. By pressing the tension card switch 1002, the connector 1001 can be detachably inserted into the reserved hole included in the vertical column 3 or the horizontal main rod 4. After the connector 1001 is inserted into the reserved hole included in the vertical column 3 or the horizontal main rod 4, the tension card switch 1002 abuts against the inside of the reserved hole included in the vertical column 3 or the horizontal main rod 4.

[0101] At least one connector 1003 connected to the plug connector 1001 , the connector 1003 is provided with a connecting hole 1004 .

[0102] The connecting parts are respectively passed through the holes at both ends of the first supporting secondary rod 8 and the connecting hole 1004, so as to realize the detachable connection of the first supporting secondary rod 8 between the two vertically connected vertical columns 3 and the horizontal main rod 4 through the second connecting structure 1000.

[0103] The connecting member may be a bolt or a pin. When the connecting member is a bolt, the connecting hole 1004 on the connecting head 1003 is a threaded hole.

[0104] The second connecting member is an important connecting mechanism in this application. The second connecting structure 1000 can connect two parts at a preset angle, which can be 30°, 60°, 90°, 180°, etc., and the connector 1001 of the second connecting structure 1000 is connected to the reserved hole. The second connecting structure 1000 can be installed on the vertical column 3, the horizontal main rod 4, the supporting main rod 6, the supporting auxiliary rod 7, and the supporting secondary rod provided with the reserved hole.

[0105] In some embodiments, the tunnel trolley further comprises a second supporting secondary rod 9, the second supporting secondary rod 9 comprising a straight supporting rod and a scissor supporting rod;

[0106] Connecting a straight support rod between two opposing vertical columns 3 via a second connecting structure 1000;

[0107] A scissor support rod is connected between two opposite vertical columns 3 via a second connecting mechanism. The scissor support rod comprises two intersecting straight support rods that rotate around the intersection as an axis.

[0108] Figure 8D A schematic diagram of the structure of a tunnel trolley is shown in FIG. Figure 8D As shown, the first supporting secondary rod 8, the horizontal column and the vertical column 3 form a triangle, which is beneficial to increasing the stability of the tunnel trolley frame.

[0109] By connecting the second supporting secondary rod 9 between the two opposite vertical columns 3, the stability of the tunnel trolley frame is increased.

[0110] Figure 9A Shows a schematic structural diagram of a guardrail 1100 column. Figure 9B A schematic structural diagram of a guardrail 1100 is shown.

[0111] like Figure 9A 、 Figure 9B As shown, the tunnel trolley further includes a guardrail 1100 , and the guardrail 1100 includes a guardrail 1100 column and a guardrail 1100 railing.

[0112] A protrusion with a hole is provided at one end of the guardrail 1100 column, and the protrusion of the column is detachably connected to the horizontal main rod 4 through the second connecting structure 1000 and the connecting piece; the opposite sides of two adjacent guardrail 1100 columns are detachably connected with the second connecting structure 1000, and the guardrail 1100 railings are detachably connected between the two adjacent guardrail 1100 columns through the second connecting structure 1000 and the connecting piece.

[0113] Figure 10A Shows the structural diagram of the handrail main rod, Figure 10B Shows a schematic diagram of the structure of the handrail column, Figure 10C A schematic structural diagram of a ladder is shown.

[0114] like Figure 10A 、 Figure 10B 、 Figure 10C As shown, the tunnel trolley further includes a ladder 1200, which is arranged between two supporting main rods 6 with a height difference;

[0115] The ladder 1200 includes at least two handrail main bars 1201, a plurality of treads 1202, a plurality of handrail columns 1203 and a plurality of handrail auxiliary bars 1204;

[0116] The protrusion at one end of the armrest main rod 1201 can be detachably inserted into the reserved hole of one of the supporting main rods 6. The other end of the armrest main rod 1201 is two opposite parallel plates, which clamp the other supporting main rod 6.

[0117] A plurality of first reserved holes are evenly spaced on opposite sides of the two handrail main rods 1201, and the two ends of the step plate 1202 are respectively inserted into the opposite first reserved holes on the two handrail main rods 1201;

[0118] A plurality of second reserved holes are evenly spaced apart on the opposite sides of the two handrail main rods 1201, and the protrusions of the handrail columns 1203 are respectively inserted into the second reserved holes;

[0119] The handrail column 1203 is provided with a first through hole whose axis is parallel to the axis of the handrail main rod 1201, and a second through hole whose axis is perpendicular to the axis of the first through hole. The handrail auxiliary rod 1204 is passed through the first through hole corresponding to the handrail column 1203 located on the same handrail main rod 1201, and the connecting piece is passed through the second through hole and the hole included in the handrail auxiliary rod 1204.

[0120] In some embodiments, the tunnel trolley further includes a third connecting structure 1300 and a hanger 14 .

[0121] Figure 11A shows a schematic structural diagram of a third connection structure, Figure 11B A schematic diagram of the connection between the third connection structure and the pendant is shown.

[0122] like Figure 11A and Figure 11B As shown, the third connection structure 1300 includes a flat connecting plate 1301 and a connector 1302 connected to the flat connecting plate 1301. The flat connecting plate 1301 is provided with at least two threaded holes 1304, and the connector 1302 is provided with a connection hole 1303;

[0123] Therefore, the connector 1001 of the second connecting structure 1000 is inserted into the reserved hole of the vertical column 3, the connecting part is passed through the connecting hole 1004 of the second connecting structure 1000 and the connecting hole 1303 of the third connecting structure 1300, and the bolts are passed through the threaded holes included in the hanger 14 and the threaded holes 1304 of the parallel connecting plate 1301 to realize the connection between the hanger 14 and the vertical column 3.

[0124] In the above embodiments, holes are provided on the grooves and protrusions that are detachably connected to each other, and the connectors are passed through the holes of the grooves and protrusions that are detachably connected to each other.

[0125] The connection reliability between the groove and the protrusion can be increased by inserting a connecting piece through the groove and the protrusion that are detachably connected to each other. The connecting piece can be a pin or a bolt.

[0126] When constructing a tunnel trolley, at least four bases are moved to designated positions, the protrusions of the vertical columns are inserted into the grooves of the bases, the axial protrusions of the first connecting structure are inserted into the grooves of each vertical column, and the grooves of the transverse main rods are inserted into the circumferential grooves of the first connecting structure. At least four transverse main rods are surrounded by four first connecting structures to form a quadrilateral frame.

[0127] Insert multiple transverse secondary rods between two opposite transverse main rods; insert a second connecting structure on the vertical columns and transverse rods that are perpendicular to each other, and connect the two ends of the first supporting secondary rod to the vertical columns and transverse rods respectively through the second connecting structure to form a stable triangular structure; insert a second connecting structure on two opposite vertical columns, and connect the second supporting secondary rod to two opposite transverse secondary rods through the second connecting structure; lay a flat plate in the space between the transverse secondary rods and the transverse main rods.

[0128] An extended plane is built on the four edges of the quadrilateral frame through the first connecting structure, the transverse auxiliary rod, the transverse main rod, and the flat plate, and a guardrail is inserted on the transverse main rod of the extended plane; an escalator is inserted between two transverse main rods with a height difference; and a hanger is connected to the transverse main rod through the first connecting structure and the second connecting structure. The hanger is marked with text to warn workers to pay attention to safety, etc.

[0129] After the construction is completed, the tunnel platform will be disassembled in the reverse order of the installation process, and the various disassembled components will be classified and stored for reuse.

[0130] In some embodiments, vertical columns, transverse main rods, transverse auxiliary rods, support rods, etc. have various length specifications to facilitate the construction of tunnel platforms of different heights and different platform areas.

[0131] By constructing a first connection structure, multiple bases, vertical columns, horizontal main rods, and flat plates are connected in sequence to form a tunnel trolley including a platform with a certain height; further, the bases, vertical columns, and horizontal main rods are connected in a detachable manner, which has the characteristics of simple and convenient installation, and can achieve the effect of continuing to add or reduce structures as needed, and has strong applicability; further, after the construction is completed, the tunnel trolley is disassembled, and the bases, vertical columns, horizontal main rods, and flat plates can continue to be used to build tunnel trolleys, platforms or scaffolding of other specifications.

[0132] For ease of explanation, the above description has been made in conjunction with specific embodiments. However, the above discussion of some embodiments is not intended to be exhaustive or to limit the embodiments to the specific forms disclosed above. Based on the above teachings, various modifications and variations can be obtained. The selection and description of the above embodiments are intended to better explain the principles and practical applications, so that those skilled in the art can better use the embodiments and various different variations of the embodiments suitable for specific use considerations.

Claims

1. A tunnel trolley, characterized in that: include: Multiple bases; A vertical column with one end detachably connected to the base; A plurality of first connecting structures, wherein a plurality of grooves or protrusions are arranged at uniform angles in the circumferential direction of the first connecting structure, a groove and a protrusion are respectively provided along the axial ends of the first connecting structure, and the other end of the vertical column is detachably connected to the first connecting structure through the axial groove or protrusion of the first connecting structure; a plurality of transverse main rods detachably connected to the first connecting structure through protrusions or grooves on the circumference of the first connecting structure, wherein the transverse main rods are perpendicular to the vertical columns; a plurality of flat plates, the flat plates being laid on a plane formed by a plurality of transverse main rods connected by a plurality of the first connecting structures; It also includes a plurality of supporting main rods, with protrusions provided at both ends of the supporting main rods; The transverse main rod is provided with a plurality of reserved holes in the circumference thereof; The protrusions at both ends of the supporting main rod are inserted into the reserved holes of the transverse main rod, so that the two ends of the supporting main rod are detachably connected to the two transverse main rods; It also includes a second connecting structure and a first supporting secondary rod with holes at both ends; The second connection structure includes: At least one connector, wherein the connector is provided with a tension card switch, and the connector can be detachably inserted into the reserved hole included in the vertical column or the horizontal main rod by pressing the tension card switch. After the connector is inserted into the reserved hole included in the vertical column or the horizontal main rod, the tension card switch abuts against the inside of the reserved hole included in the vertical column or the horizontal main rod; At least one connector connected to the connector, wherein the connector is provided with a connecting hole; The connecting members are respectively inserted into the holes and the connecting holes at both ends of the first supporting secondary rod, so as to realize the detachable connection of the first supporting secondary rod between the two vertically connected vertical columns and the horizontal main rod through the second connecting structure; Also included is a ladder, the ladder being arranged between the two supporting main poles having a height difference; The ladder comprises at least two handrail main rods, a plurality of treads, a plurality of handrail columns and a plurality of handrail auxiliary rods; The protrusion at one end of the armrest main rod is detachably inserted into a reserved hole of one of the supporting main rods, and the other end of the armrest main rod is two opposite parallel plates, and the two parallel plates clamp the other supporting main rod; A plurality of first reserved holes with uniform intervals are provided on opposite sides of the two handrail main rods, and the two ends of the step plate are respectively inserted into the opposite first reserved holes on the two handrail main rods; A plurality of second reserved holes are formed on the opposite sides of the two handrail main rods, and the protrusions of the handrail columns are respectively inserted into the second reserved holes; The handrail column is provided with a first through hole whose axial direction is parallel to the axial direction of the handrail main rod, and a second through hole whose axial direction is perpendicular to the axial direction of the first through hole. The handrail auxiliary rod is passed through the first through hole corresponding to the handrail column located on the same handrail main rod, and the connecting piece is passed through the second through hole and the hole included in the handrail auxiliary rod.

2. The tunnel trolley according to claim 1, characterized in that: The base includes a mobile base; The mobile base includes a base body, wheels, axles and limiters. The base body is provided with a groove matching the protrusion provided on one end of the vertical column; The base body is provided with a wheel connected via the wheel axle, and the limiting member is provided near the wheel axle of the base body and is used to limit the rotation of the wheel axle after the base is located at a preset position; The first connecting structure is detachably connected between the base and the vertical column.

3. The tunnel trolley according to claim 1, characterized in that: It also includes a supporting auxiliary rod, wherein the two ends of the supporting auxiliary rod are provided with protrusions, and the supporting main rod is provided with a plurality of reserved holes on the circumference; The protrusions at both ends of the supporting auxiliary rod are inserted into the reserved holes of the supporting auxiliary rod, so that the two ends of the supporting auxiliary rod are detachably connected to the two supporting main rods.

4. The tunnel trolley according to claim 1, characterized in that: Also included is a second supporting secondary rod, the second supporting secondary rod including a straight supporting rod and a scissor supporting rod; connecting the straight support rod between two opposing vertical posts via the second connecting structure; The scissors support rod is connected between two opposite vertical columns through the second connection structure. The scissors support rod includes two intersecting straight support rods that rotate around the intersection as an axis.

5. The tunnel trolley according to claim 3, characterized in that: Also included is a guardrail, the guardrail comprising guardrail posts and guardrail rails; A protrusion with a hole is provided at one end of the guardrail post, and the protrusion of the post is detachably connected to the transverse main rod through a second connecting structure and a connecting piece; The opposite sides of two adjacent guardrail posts are detachably connected with the second connecting structure, and the guardrail railings are detachably connected between the two adjacent guardrail posts via the second connecting structure and the connecting piece.

6. The tunnel trolley according to claim 1, characterized in that: Also included is a third connecting structure and a pendant; The third connection structure includes a flat connecting plate and a connecting head connected to the flat connecting plate; At least two bolt holes are provided on the flat connecting plate, and a connecting hole is provided in the connecting head; Therefore, the connector of the second connecting structure is inserted into the reserved hole of the vertical column, the connecting member is passed through the connecting hole of the second connecting structure and the connecting hole of the third connecting structure, and the bolt is passed through the bolt hole included in the hanger and the bolt hole of the flat connecting plate.

7. The tunnel trolley according to any one of claims 1 to 6, characterized in that: The groove and the protrusion that are detachably plugged into each other are both provided with holes, and the connecting piece is passed through the holes of the groove and the protrusion that are detachably plugged into each other.

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