Portable device for pre-embedded track construction based on transportation bottom plate in small-section TBM tunnel

Abstract

The utility model discloses a portable device for constructing an embedded track based on a transportation bottom plate in a small-section TBM tunnel, and belongs to the technical field of tunnel construction. Comprising a trolley composed of a front cross beam, a rear cross beam, middle longitudinal beams and tires, and the multiple middle longitudinal beams are arranged between the front cross beam and the rear cross beam to form a basic frame in a matched mode; a handle rod is arranged above the front cross beam; the front cross beam and the rear cross beam are provided with a plurality of side blocking limiting pieces corresponding to the positions of the two sides of the embedded track. According to the utility model, the transportation efficiency of the track is effectively improved; only one person is needed to pull the transportation trolley, and the transportation task of 2-4 rails can be completed; the number and the specification of the manufactured transport trolleys can be determined according to actual site construction; and moreover, the device is convenient and rapid to manufacture, and is lower in cost and ideal in application effect compared with a transportation mode adopting a tool car.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel construction technical field especially relates to a portable device based on small section TBM tunnel inner transport bottom plate construction pre -buried track. BACKGROUND

[0002] Before TBM construction, need in advance pre -buried track in the bottom plate, so that TBM material transportation marshalling efficient operation. The track transportation mode of existing at home and abroad generally adopts the transportation of truck crane or other tool vehicles, unloads after reaching the designated place in the hole. This method can be easily realized in the large section tunnel, but for small section tunnel, the transport vehicle cannot stretch out, even cannot drive into the hole, and it is difficult to achieve the transportation purpose.

[0003] It can be seen that the current small section TBM tunnel track transportation method has not formed a kind of efficient and convenient, low cost transportation method. UTILITY MODEL CONTENT

[0004] The utility model discloses a portable device based on small section TBM tunnel inner transport bottom plate construction pre -buried track to solve the inconvenient problem of track transportation in small section TBM tunnel in the prior art, to improve the transportation efficiency, reduce the transportation cost.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A portable device based on small section TBM tunnel inner transport bottom plate construction pre -buried track, including the trolley that is composed of front crossbeam, rear crossbeam, intermediate longitudinal beam, tire, the front crossbeam is arranged with a plurality of intermediate longitudinal beam cooperation and forms the base frame between rear crossbeam;

[0007] The upper portion of the front crossbeam is provided with a handle bar;

[0008] The front crossbeam, rear crossbeam are provided with a plurality of side stop limit pieces corresponding to the position of both sides of pre -buried track.

[0009] In some embodiments, a plurality of support plates are assembled on the intermediate longitudinal beam.

[0010] In some embodiments, the handle bar includes a vertical rod fixedly arranged at the intermediate position above the front crossbeam, and an L-shaped handle arranged on the vertical rod.

[0011] In some embodiments, the horizontal end of the L-shaped handle is sleeved on the vertical rod by a sleeve, and a slip ring corresponding to the upper and lower end positions of the sleeve is further sleeved on the vertical rod, and a jacking screw is threadedly connected to the slip ring.

[0012] In some embodiments, the tire comprises: universal wheels arranged below both sides of the front cross beam, directional wheels arranged below both sides of the rear cross beam, and adjusting wheels arranged below the middle longitudinal beams.

[0013] In some embodiments, the adjusting wheels comprise: a tire body, side plates arranged on both sides, and a horizontal plate connecting the two side plates.

[0014] In the mounted state, the side plates are clamped on both sides of the middle longitudinal beams, and the upper end of the horizontal plate abuts against the lower end of the middle longitudinal beams.

[0015] Meanwhile, the upper end of the side plate and both sides of the middle longitudinal beam are correspondingly provided with through holes, and a long screw rod is arranged through the through holes.

[0016] In some embodiments, the side stop limiting piece comprises: an outer cylinder, and four hinge plates arranged in the outer cylinder.

[0017] The outer cylinder is provided with a pin shaft penetrating through the front and back, and a hinge position connecting the two hinge plates below.

[0018] The outer cylinder is provided with a vertical sliding groove penetrating through the front and back, and a hinge position of the two hinge plates above is arranged to slide in the vertical sliding groove.

[0019] The outer cylinder is provided with an opening penetrating through the left and right, so that the hinge plates can extend outward.

[0020] In some embodiments, the upper shaft penetrates through the outer cylinder from front to back, and a washer and a nut are arranged at one end of the upper shaft; and a washer, a spring and a washer are arranged at the other end of the upper shaft, and a nut is arranged at the other end.

[0021] In some embodiments, the support horizontal plate comprises: an upper plate body, and clamping plates fixedly connected to the lower end of the upper plate body and corresponding to both sides of the plurality of middle longitudinal beams.

[0022] In some embodiments, the lower end of the upper plate body is provided with a vertical insertion rod.

[0023] The upper end of the middle longitudinal beam is provided with an opening corresponding to the vertical insertion rod.

[0024] In some embodiments, a nut is welded on the outermost clamping plate, and a pressing screw is threadedly assembled in the opening corresponding to the nut.

[0025] Compared with the prior art, the utility model provides a convenient device based on small section TBM tunnel inner transport bottom plate construction pre-buried track, which has the following beneficial effects.

[0026] 1、The utility model discloses effectively improved the transportation efficiency of track, and only one person is needed to pull the transport trolley, and the transportation task of 2-4 tracks can be completed.

[0027] 2、 The utility model discloses, according to the actual construction of the scene decides the quantity and the specification of the transport trolley of making, and, device makes convenient, fast, and the transportation mode cost of using the tool car is lower compared to, and application effect is ideal.

[0028] Other advantages, objects and features of the present utility model will be set forth in part in the following specification; and in part will be apparent from inspection of the following figures; and in part will be learned from the practice of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the structural schematic diagram of the utility model.

[0030] Figure 2 It is the structural schematic diagram of the utility model. Figure 1 It is the enlarged structural schematic diagram of A place in.

[0031] Figure 3 It is the structural schematic diagram of the utility model's front side.

[0032] Figure 4 It is the enlarged structural schematic diagram of B place in. Figure 3

[0033] It is the structural schematic diagram of side stopper contraction state. Figure 5

[0034] It is the structural schematic diagram of side stopper. Figure 6 Figure 5 It is the structural schematic diagram of side stopper.

[0035] Figure 7 It is the structural schematic diagram of articulated plate.

[0036] Figure 8 It is the structural schematic diagram of unilateral articulated plate.

[0037] Figure 9 It is the structural schematic diagram of upper shaft.

[0038] Figure 10 It is the structural schematic diagram of not loading track.

[0039] Figure 11 It is the enlarged structural schematic diagram of D place in.

[0040] Figure 12 Figure 11 It is the structural schematic diagram of support cross plate.

[0041] Figure 13 It is the structural schematic diagram of support cross plate.

[0042] Figure 14 It is the structural schematic diagram of support cross plate's downside.​​

[0043] Figure 15 It is a structural schematic view of the trolley.

[0044] Figure 16 It is a structural schematic view of the trolley. Figure 15 It is an enlarged structural schematic view of E in the middle.

[0045] Figure 17 It is a structural schematic view of the adjusting wheel.

[0046] Figure 18 It is a structural schematic view of the trolley. Figure 15 It is an enlarged structural schematic view of F in the middle.

[0047] Figure 19 It is an exploded state schematic view of the handle rod.

[0048] In the figure:

[0049] 1, front cross beam;

[0050] 2, rear cross beam;

[0051] 3, middle longitudinal beam;

[0052] 4, handle rod;

[0053] 41, vertical rod; 42, L-shaped handle; 43, sleeve; 44, sliding ring; 45, horizontal cylinder;

[0054] 5, side stop limiting piece;

[0055] 51, outer cylinder; 52, hinged plate; 53, vertical sliding slot; 54, upper shaft; 55, gasket; 56, spring;

[0056] 6, supporting horizontal plate;

[0057] 61, upper plate body; 62, clamping plate; 63, vertical insertion rod;

[0058] 7, adjusting wheel;

[0059] 71, tire body; 72, side plate; 73, horizontal plate. DETAILED DESCRIPTION

[0060] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0061] Referring to Figures 1-19The application discloses a portable device based on a small-section TBM tunnel inner transportation bottom plate construction pre-embedded rail, which comprises a trolley composed of a front cross beam 1, a rear cross beam 2, intermediate longitudinal beams 3 and tires.

[0062] Preferably, the front cross beam 1 and the rear cross beam 2 adopt square tubes with a size of 60*60*3 mm; the intermediate longitudinal beams 3 adopt square tubes with the same size or a slightly smaller size; the square tubes are fully welded, and the welding seams are free of bubbles, slag and other phenomena, so as to guarantee the structural strength and stability of the base frame.

[0063] Meanwhile, a handle rod 4 is arranged above the front cross beam 1.

[0064] The handle rod 4 is a steel pipe with a diameter of 40 mm, which is welded above the front cross beam 1, and the height is preferably about 1 m; the handle rod 4 is convenient for workers to pull the trolley into a tunnel.

[0065] In use, the pre-embedded rails of the bottom plate are placed on both sides of the trolley, and then one person pulls the trolley into the tunnel; the number of the trolleys can be determined according to the actual construction progress on site, and the overall size can be controlled according to the size of the rails; and a plurality of rails can be transported at a time; for example, as shown in the figure, four rails are loaded. Figure 1

[0066] In some embodiments, the handle rod 4 comprises a vertical rod 41 fixedly arranged at a middle position above the front cross beam 1, and an L-shaped handle 42 arranged on the vertical rod 41.

[0067] The L-shaped handle 42 is made of a steel bar or a steel pipe, which is directly fixed and welded on the front side of the handle rod 4, and is convenient for a person to hold.

[0068] Further, in order to be more convenient for operation and traction, and to be suitable for different environments, the L-shaped handle 42 is in a form that can be adjusted in height and can be horizontally swung.

[0069] Specifically, different from the foregoing form: a sleeve 43 is arranged on the horizontal end of the L-shaped handle 42, so as to be sleeved on the vertical rod 41; the vertical rod 41 is further sleeved with sliding rings 44 corresponding to the upper and lower end positions of the sleeve 43, respectively; and a jacking screw rod penetrating into the inside and abutting against the vertical rod 41 is threadedly connected to the sliding ring 44.

[0070] The sleeve 43 is limited by the two sliding rings 44; when adjustment is needed, the jacking screw rod of the sliding ring 44 is loosened, and the position is changed up and down; meanwhile, the sleeved form of the sleeve 43 cooperates with the L-shaped handle 42, and can be freely swung; preferably, a jacking screw rod is also threadedly connected to the sleeve 43, and abuts against the vertical rod 41 when the L-shaped handle 42 is not needed to be swung, so as to be fixed.

[0071] ​Further, the outer end of the sleeve 43 is provided with a horizontal cylinder 45, and the horizontal end of the L-shaped handle 42 is arranged to rotate in the horizontal cylinder 45; thus, the L-shaped handle 42 can also rotate; various forms such as slotted spring cooperation can be used for the rotating cooperation relationship.

[0072] In some embodiments, a plurality of side stop limit members 5 corresponding to the positions on both sides of the pre-buried tracks are arranged on the front cross beam 1 and the rear cross beam 2.

[0073] Preferably, the side stop limit member 5 is a fixedly welded angle steel or square steel, which forms a block from the side to avoid the left and right sliding of the track during movement.

[0074] It can be understood that the position of the side stop limit member 5 in the above-mentioned form is relatively fixed, and the limit cannot be adjusted; further optimization is made to arrange the side stop limit member 5 in a changeable form.

[0075] Specifically, the side stop limit member 5 includes a square outer cylinder 51 and four hinged plates 52 arranged in the outer cylinder 51; the outer cylinder 51 is provided with a pin shaft penetrating through the front and back, and the hinged positions of the two lower hinged plates 52 are connected; the outer cylinder 51 is provided with a vertical sliding groove 53 penetrating through the front and back, and the upper shaft 54 is arranged to slide in the vertical sliding groove 53 and connect the hinged positions of the two upper hinged plates 52; at the same time, the outer cylinder 51 is provided with an opening penetrating through the left and right, so that the hinged plates 52 can extend outward and press the track after being unfolded.

[0076] Correspondingly, the front cross beam 1 and the rear cross beam 2 are provided with mounting hole positions corresponding to the side stop limit member 5; as shown in Figure 16 , the side stop limit member 5 is inserted into the mounting hole position downward.

[0077] As shown in Figure 2 , 4 , 7, 8; after the hinged plates 52 extend from both sides, they press on the vertical surface of the track to achieve height cooperation limit; and the adjustment form of the hinged plates 52 can be adapted to tracks of various specifications.

[0078] Further, in order to facilitate the adjustment and locking of the form of the hinged plates 52, the upper shaft 54 penetrates through the outer cylinder 51 front and back, one end is provided with a gasket 55 and a nut, and the other end is provided with a gasket 55, a spring 56, and a gasket 55, and then a nut is assembled.

[0079] In use, the nut is loosened, the upper shaft 54 is slid downward, and the hinged plates 52 are adjusted to press on the track, and then the nut is screwed in and locked; in cooperation with the gasket 55 and the spring 56, the overall loss can be reduced. Alternatively, without loosening the nut, the upper shaft 54 is pressed from the outside, so that the spring 56 is compressed, and the nut at the other end is away from the outer cylinder 51; at this time, the position of the upper shaft 54 can also be adjusted.

[0080] In some embodiments, a plurality of support cross plates 6 are assembled on the intermediate longitudinal beam 3.

[0081] It can be understood that the length of the intermediate longitudinal beam 3 is large in order to match the length of the track; but a large number of intermediate longitudinal beams 3 are not required, and generally two intermediate longitudinal beams 3 are provided; this can cause part of the track to be unsupported at the middle; therefore, a plurality of support cross plates 6 are additionally provided.

[0082] Furthermore, the positions and quantities of the plurality of support cross plates 6 can be adjusted according to requirements; for example, if the size of the track is larger, the density of the support cross plates 6 can be increased accordingly; and if the size of the track is smaller, the quantity of the support cross plates 6 can be reduced.

[0083] Specifically, the support cross plate 6 comprises an upper plate body 61 and a clamping plate 62 fixedly connected to the lower end of the upper plate body 61 and corresponding to the two sides of the plurality of intermediate longitudinal beams 3.

[0084] The support extending to both sides is formed by the upper plate body 61, and the clamping plate 62 can realize installation and also form a pulling force on the intermediate longitudinal beam 3 to reduce the occurrence of deformation.

[0085] Optionally, inclined struts are arranged on both sides below the upper plate body 61 to strengthen the load-bearing performance of the end portion.

[0086] Further, a vertical insertion rod 63 is arranged at the lower end of the upper plate body 61.

[0087] Correspondingly, the upper end of the intermediate longitudinal beam 3 is provided with an opening hole corresponding to the vertical insertion rod 63.

[0088] It should be noted that a plurality of opening holes are pre-formed in the upper end of the intermediate longitudinal beam 3; when the support cross plate 6 is installed, the opening hole at the appropriate position is inserted.

[0089] Further, a nut is welded to the outermost clamping plate 62, and after an opening hole is formed in the clamping plate 62 corresponding to the nut, a jacking screw is threadedly assembled in the nut; the jacking screw abuts against the outer side of the clamping plate 62 to further strengthen the installation stability of the support cross plate 6.

[0090] In some embodiments, the tire comprises universal wheels arranged below both sides of the front cross beam 1, directional wheels arranged below both sides of the rear cross beam 2, and an adjusting wheel 7 arranged below the intermediate longitudinal beam 3.

[0091] It can be understood that the universal wheels on the front side facilitate guiding, turning and other operations.

[0092] In some embodiments, the adjusting wheel 7 comprises a tire body 71, side plates 72 located on both sides, and a horizontal plate 73 connecting the two side plates 72; a through shaft penetrates the lower ends of the two side plates 72 and the tire body 71.

[0093] In the installed state, the side plates 72 are clamped on both sides of the intermediate longitudinal beam 3, and the upper end of the horizontal plate 73 abuts against the lower end of the intermediate longitudinal beam 3; thus, reliable support is formed, the installation is more stable, and the carrying capacity is stronger.

[0094] Meanwhile, the upper end position of the side plate 72 and both sides of the intermediate longitudinal beam 3 are correspondingly provided with through holes, and long screws are arranged in the through holes.

[0095] It can be understood that the assembly position and quantity of the adjusting wheels 7 are adapted according to the overall length and the specification of the loaded track, so as to fully meet the requirements.

[0096] The total length of TBM excavation of a certain water tunnel (PTT) is 34km, and two double shield TBMs are used for opposite excavation construction. In the TBM construction adit, the truck crane and tool car cannot enter the hole, so the department made a plurality of portable track transport trolleys; each trolley transports 2-4 tracks at a time to improve the efficiency of the subsequent TBM bottom pre-buried track construction; and manual carrying is avoided to restrict the construction progress.

[0097] Among them:

[0098] 1) The length and width of the trolley are designed according to the length of the track; the length of the designed trolley is 10m, and the width is 80cm;

[0099] 2) A square tube with a size of 60*60*3mm is used to weld the main frame of the transport trolley, and full welding is performed between the components to ensure the strength and stability of the trolley structure;

[0100] 3) A vertical rod with a diameter of 40mm is welded on the front part of the trolley, and the height is about 1m; then, a handle is welded on the vertical rod to facilitate the traction of the trolley by the operator;

[0101] 4) An equal angle steel with a size of 40*40*3*5mm is welded on both sides of the square tube at the front and rear of the trolley to form a side stop limiting piece 5, and the height is preferably about 10cm; during transportation, the track is placed on the inner side to prevent the track from rolling off;

[0102] 5) The operator smoothly pulls the trolley to ensure the stability of the trolley transportation.

[0103] The utility model is applied to the case where mechanical vehicles cannot be used to transport tracks in the hole, and provides a portable transport device to replace vehicles and manual carrying, improve transportation efficiency, reduce track transportation cost in the hole, and reduce the input amount of manual track carrying.

[0104] The utility model discloses, effectively improved the transport efficiency of track, the track of 5~6 people transport in the past, manual handling inefficiency, now only need one person to tow transport dolly, can complete 2~4 track transport task, greatly improve the transport efficiency, simultaneously, can according to the actual construction of field decides the quantity and the specification of making transport dolly, and, the device makes convenient, fast, compared with the transport mode of the tool car cost is lower, application effect is extremely ideal.

[0105] The above merely provides the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which shall be covered within the protection scope of the present application.

[0106] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0107] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A portable device for embedding a track in the construction of a transport floor in a small-section TBM tunnel, comprising a trolley composed of a front crossbeam (1), a rear crossbeam (2), an intermediate longitudinal beam (3), and a tire, characterized in that, The front cross beam (1) and the rear cross beam (2) are provided with a plurality of intermediate longitudinal beams (3) to form a base frame; The upper portion of the front cross beam (1) is provided with a handle rod (4); The front cross beam (1) and the rear cross beam (2) are provided with a plurality of side stop limiting pieces (5) corresponding to the positions of the two sides of the embedded tracks.

2. The portable device for construction of embedded rail in small cross-section TBM tunnel transportation floor according to claim 1, characterized in that, The intermediate longitudinal beam (3) is provided with a plurality of supporting horizontal plates (6).

3. The portable device for embedding track in the construction of small cross-section TBM tunnel transportation floor according to claim 1, characterized in that, The handle rod (4) comprises a vertical rod (41) fixedly arranged at the middle position of the upper portion of the front cross beam (1), and an L-shaped handle (42) arranged on the vertical rod (41).

4. The portable device for pre-burying tracks in the construction of the small-section TBM tunnel transportation floor according to claim 3, characterized in that, The horizontal end of the L-shaped handle (42) is provided with a sleeve (43) sleeved on the vertical rod (41); the vertical rod (41) is further sleeved with a sliding ring (44) corresponding to the upper and lower end positions of the sleeve (43), respectively; and the sliding ring (44) is threadedly connected with a jacking screw.

5. The portable device for construction of embedded rail in small cross-section TBM tunnel transportation floor according to claim 1, characterized in that, The tire comprises universal wheels arranged at the lower portions of the two sides of the front cross beam (1), directional wheels arranged at the lower portions of the two sides of the rear cross beam (2), and an adjusting wheel (7) arranged at the lower portion of the intermediate longitudinal beam (3).

6. The portable device for pre-burying tracks in the construction of a small-section TBM tunnel transportation floor according to claim 5, characterized in that, The adjusting wheel (7) comprises a tire body (71), side plates (72) located at the two sides, and a horizontal plate (73) connecting the two side plates (72); In the installed state, the side plates (72) are clamped at the two sides of the intermediate longitudinal beam (3), and the upper end of the horizontal plate (73) abuts against the lower end of the intermediate longitudinal beam (3).

7. The portable device for construction of embedded rail in small cross-section TBM tunnel transportation floor according to claim 1, characterized in that, The side stop limiting piece (5) comprises an outer cylinder (51) and four hinge plates (52) arranged in the outer cylinder (51); The outer cylinder (51) is provided with a pin shaft penetrating through the front and rear portions, and a hinge position connecting the two hinge plates (52) at the lower portion; The outer cylinder (51) is provided with a vertical sliding groove (53) penetrating through the front and rear portions, and an upper shaft (54) slidingly arranged in the vertical sliding groove (53) and connecting the hinge positions of the two hinge plates (52) at the upper portion; The outer cylinder (51) is provided with an opening penetrating through the left and right portions, so that the hinge plate (52) can extend outward.

8. The portable device for pre-burying tracks in the construction of a small-section TBM tunnel transportation floor according to claim 7, characterized in that, After the upper shaft (54) penetrates through the outer cylinder (51) from the front to the rear, a washer (55) and a nut are arranged at one end, and a washer (55), a spring (56), and a washer (55) are arranged at the other end, followed by a nut.

9. The portable device for pre-embedded rail construction of small cross-section TBM tunnel transportation floor according to claim 2, characterized in that, The supporting horizontal plate (6) comprises an upper plate body (61) and a clamping plate (62) fixedly connected to the lower end of the upper plate body (61) and corresponding to the two sides of the plurality of intermediate longitudinal beams (3).

10. The portable device for pre-burying tracks in the construction of a small-section TBM tunnel transportation floor according to claim 9, characterized in that, The lower end of the upper plate body (61) is provided with a vertical insertion rod (63); The upper end of the intermediate longitudinal beam (3) is provided with an opening corresponding to the vertical insertion rod (63).

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