Limiting and forward moving device for assisting tunnel construction escape pipeline

Abstract

The utility model discloses an auxiliary tunnel construction escape pipeline limiting and forward moving device, which comprises a plurality of moving units which are coaxially arranged in rows, each moving unit comprises a mounting frame, and a plurality of connecting lugs are symmetrically connected to two ends of the mounting frame; the moving wheel assemblies are connected to the middles of all the end faces in the mounting frame correspondingly; the connecting ropes are connected to the connecting lugs located at the outer ends of the moving units at the two ends respectively; one end of each connecting rope is connected to the corresponding connecting lug, and the other end of each connecting rope is connected to the end opening wall of the escape pipeline. The device is convenient to move, assemble and disassemble, can effectively solve the problem that the set safety distance cannot meet the requirement due to the fact that an escape pipeline is difficult to move, does not move forwards synchronously along with the tunnel excavation progress and lags behind the tunnel excavation progress, and achieves the purposes of ensuring construction safety, improving the use efficiency of an escape channel and reducing accident loss.

Description

TECHNICAL FIELD

[0001] The utility model relates to a device that pipeline moves forward, specifically relates to a device for limiting and moving forward of escape pipeline in tunnel construction, belongs to the technical field of building construction supplies auxiliary tool. BACKGROUND

[0002] With the rapid development of China's economic society, the infrastructure construction such as highway, railway, water diversion project in various places is continuously accelerated, and the proportion of tunnel engineering is relatively high, in order to improve the safety and survival opportunity of operating personnel when tunnel construction collapses, it is necessary to establish an effective escape channel to reserve enough time for rescue work. As the life channel of operating personnel in distress during tunnel excavation construction, the escape pipeline is often ignored in practice because of its frequent movement and difficulty in moving, and is not moved forward in time according to the tunnel construction progress, resulting in that its function is not effectively played.

[0003] During the installation process, the escape pipeline (usually a steel pipe or an ultrahigh molecular weight PE pipe with a diameter of 800mm or 860mm) needs to be moved frequently and synchronously with the tunnel excavation footage, but the whole pipeline is long and heavy, and it is not convenient to move forward. At present, the traditional method is to directly connect the escape pipeline and place it on one side of the tunnel, and when moving, manual cooperation with migration equipment is adopted to drag or segmentally remove and reassemble to the designated position, which is time-consuming and laborious. Finally, the escape pipeline is not moved forward synchronously with the tunnel excavation progress, lags behind the tunnel excavation progress, and the safety distance is not satisfied; or it is considered that the escape pipeline is moved frequently and inconveniently, and the construction progress is affected after setting, and the escape pipeline is not set.

[0004] Therefore, it is necessary to develop a device for limiting and moving forward of escape pipeline in tunnel construction, which is practical, easy to install and solves the above technical problems. SUMMARY

[0005] In view of the many defects and deficiencies in the above background technology, the utility model has made improvements and innovations, aiming to provide an escape pipeline moving forward device for tunnel construction, which is convenient to move and easy to install, can effectively solve the problem that the escape pipeline is not moved forward synchronously with the tunnel excavation progress, lags behind the tunnel excavation progress, and the safety distance is not satisfied, and can ensure construction safety, improve the use efficiency of escape channel and reduce accident loss.

[0006] The utility model discloses another application purpose is nimble convenient, practicality is strong, not only can nimblely cope with complex construction environment, can effectively guarantee the life safety of construction personnel, meet the safety standard in modern tunnel construction, is the important tool of promotion tunnel engineering overall security and emergency response capability, effectively solve the problem of the abandonment setting escape pipeline because of the escape pipeline movement difficulty, think that escape pipeline installs, and moves frequently and is inconvenient, influence construction progress, lead to abandon setting escape pipeline.

[0007] To solve the above problem and reach the application purpose of above, a kind of for auxiliary tunnel construction escape pipeline limiting and forward moving device of the utility model is realized by using the following design structure and using the following technical scheme:

[0008] As the improvement of the utility model for auxiliary tunnel construction escape pipeline limiting and forward moving device, it comprises multiple mobile units arranged in a row and coaxially, the mobile unit comprises: a mounting frame (1), multiple connecting ears (11) are symmetrically connected to both ends of the mounting frame (1);A mobile wheel assembly (2) is connected to the middle of each end surface inside the mounting frame (1).

[0009] Further comprising: a connecting rope (3) is connected to each connecting ear (11) at the outer end of the mobile unit at both ends.

[0010] Among them, one end of the connecting rope (3) is connected to the corresponding connecting ear (11), and the other end is connected to the port wall of the escape pipeline (5).

[0011] As the improvement of the utility model, it further comprises a limiting assembly (4) for limiting the movement of the escape pipeline (5) in the mounting frame (1), and the limiting assembly (4) is symmetrically arranged on the mobile wheel assembly (2) on the front and rear sides of the mounting frame (1).

[0012] As a further improvement of the utility model, the mounting frame (1) is in the form of a square frame structure.

[0013] As a further improvement of the utility model, the connecting ear (11) is in the form of a "U" shaped structure, and the connecting ear (11) is connected to the middle of each connecting rod at the left and right ends of the mounting frame (1), wherein, the connecting ears (11) at each end are arranged in the form of a "cross".

[0014] As a further improvement of the utility model, the mobile wheel assembly (2) comprises:

[0015] A fixed rail (21) is connected to the middle of the connecting rod at the left and right ends of the mounting frame (1).

[0016] The moving wheels (22) are respectively rotatably connected in the fixed rails (21);

[0017] The fixed rails (21) are connected between the corresponding two connecting ears (11).

[0018] The fixed rails (21) are in the shape of a "Fang" in cross section; and the moving wheels (22) are respectively rotatably connected at the two ends and the middle of the fixed rails (21).

[0019] As a further improvement of the above-mentioned utility model, the connecting rope (3) comprises a connecting rope body and a hook connected at both ends of the connecting rope body.

[0020] As a further improvement of the above-mentioned utility model, the limiting assembly (4) comprises:

[0021] The limiting plate (41) is arranged at the inner middle part of the corresponding fixed rail (21);

[0022] The adjusting nut (42) is respectively connected at the outer side of the two ends of the corresponding fixed rail (21);

[0023] The adjusting member (43) is rotatably connected with the limiting plate (41) through the adjusting nut (42);

[0024] The limiting plate (41) is used for abutting connection with the escape pipeline (5) to limit the movement of the escape pipeline (5).

[0025] As a further improvement of the above-mentioned utility model, the limiting plate (41) is an arc-shaped plate, the curvature of one end face of the arc-shaped plate is matched with the outer diameter of the escape pipeline (5), the other end face of the arc-shaped plate is symmetrically provided with a rotating hole, the outer side of the rotating hole is connected with a limiting ring, and a limiting plate through hole is provided in the middle part of the limiting plate (41);

[0026] The adjusting member (43) is rotatably connected in the two rotating holes of the limiting plate (41);

[0027] The non-rotating hole end face of the limiting plate (41) is further connected with an anti-skid pad.

[0028] As a further improvement of the above-mentioned utility model, the adjusting member (43) is in the shape of a "T" as a whole, the long rod of the adjusting member (43) is connected with a rotating ring at one end, the rotating ring is rotatably connected in the rotating hole, the long rod of the adjusting member (43) is provided with an external thread segment at the other end, and the external thread segment is matched with the adjusting nut (42).

[0029] The working principle is:

[0030] The utility model discloses compared with prior art has produced beneficial effect is:

[0031] 1, the utility model discloses convenient, convenient, can effectively solve because of the escape pipeline and move difficult, not with tunnel excavation progress synchronization forward movement, lag behind tunnel excavation progress, lead to set safe distance not satisfy the problem of requirement, realize ensuring construction safety, improve the efficiency of escape passage, reduce the accident loss;

[0032] 2, the utility model discloses flexible, practicality is strong, not only can flexible response complex construction environment, can effectively guarantee the life safety of construction personnel, meet the safety standard in modern tunnel construction, is the important tool of promotion tunnel engineering overall safety and emergency response capability, effectively solve because of the escape pipeline and move difficult, think that escape pipeline installs, and moves frequently and inconveniently, influence construction progress, lead to the problem of giving up setting escape pipeline;

[0033] 3, the utility model discloses that the non-rotary hole end face of spacing board (41) still is connected with antiskid protective pad, can effectively improve friction, reduce sliding and the abrasion of escape pipeline, increase the stability and security of spacing assembly (4) spacing, and antiskid protective pad as buffer layer can protect the integrity of escape pipeline surface, improve clamping uniformity.

[0034] 4, the utility model discloses the rubber wheel of moving wheel (22), can provide better stability, moving efficiency, damping effect and durability in the tunnel construction process, reduce noise and abrasion simultaneously, enhance the adaptability and reliability of escape pipeline;

[0035] 5, the utility model discloses spacing assembly (4) and adopt symmetry formula design, can select and fix one side spacing assembly (4) according to specific circumstances, or both sides of escape pipeline are fixed, in the tunnel construction process, the flexible use of convenient operator, greatly increase the convenience of use;

[0036] 6, the utility model discloses ingenious design, simple structure, low manufacturing cost, can improve production efficiency, bring greater economic benefit and operation convenience, and be suitable for mass production simultaneously. DRAWINGS

[0037] The specific implementation of the utility model will be explained in further detail below, wherein:

[0038] Figure 1 is one of the use state diagram of the utility model;

[0039] Figure 2 is the second use state diagram of the utility model;

[0040] Figure 3is another design structure of the utility model uses state diagram;

[0041] Figure 4 is the connection relation diagram of the utility model mobile unit and connecting rope (3);

[0042] Figure 5 is the overall structure diagram of the utility model mobile unit;

[0043] Figure 6 is the left view of the utility model mobile unit;

[0044] Figure 7 is the plan view of the utility model mobile unit;

[0045] Figure 8 is the overall structure diagram of another design structure mobile unit of the utility model;

[0046] Figure 9 is the left view of another design structure mobile unit of the utility model;

[0047] Figure 10 is the partial exploded view of another design structure mobile unit of the utility model;

[0048] In the figure, reference numeral: 1 - mounting bracket, 11 - connecting lug;

[0049] 2 - mobile wheel assembly, 21 - fixed rail, 22 - mobile wheel;

[0050] 3 - connecting rope;

[0051] 4 - limiting assembly, 41 - limiting plate, 42 - adjusting nut, 43 - adjusting piece;

[0052] 5 - escape pipeline. DETAILED DESCRIPTION

[0053] In order to make the technical means, the creation characteristics, the purpose and the effect of the utility model easy to understand, the technical scheme of the utility model will be further explained in detail below by combining with the drawings and specific embodiments, it should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and embodiments.

[0054] In summary, the more specific embodiment of the utility model is:

[0055] Before using a device for assisting in the limiting and forward movement of an escape pipeline for tunnel construction with the above design structure, the operator only needs to prepare a reasonable number of such devices according to the actual construction and installation requirements, and transport them to the designated construction location by corresponding handling equipment or directly by manual labor for use.

[0056] Embodiment 1

[0057] As shown in the attached Figure 1 、 Figure 2 、 Figure 4 A device for assisting in the limiting and forward movement of an escape pipeline for tunnel construction includes a plurality of moving units arranged coaxially in rows. The moving unit includes: a mounting frame 1, and a plurality of connecting ears 11 are symmetrically connected to both ends of the mounting frame 1; a moving wheel assembly 2, and the moving wheel assemblies 2 are respectively connected to the middle of each end face inside the mounting frame 1.

[0058] It further includes: a connecting rope 3, and the connecting ropes 3 are respectively connected to the connecting ears 11 at the outer ends of the moving units at both ends.

[0059] Among them, one end of the connecting rope 3 is connected to the corresponding connecting ear 11, and the other end is connected to the port wall of the escape pipeline 5.

[0060] As shown in the attached Figures 5 to 7 shown, further, the mounting frame 1 is integrally in a square frame structure.

[0061] In the present utility model, the mounting frame 1 is welded by multiple angle steels into a frame structure in the shape of a cube or a cuboid.

[0062] As shown in the attached Figures 5 to 7 shown, further, the connecting ear 11 is integrally in a "U" - shaped structure, and the connecting ears 11 are respectively connected to the middle of each connecting rod at both ends of the left and right sides of the mounting frame 1. Among them, several connecting ears 11 at each end are arranged in a "cross" shape. <00​​​​​​​​​​​​​​​​​​The moving wheels 22 are respectively rotatably connected to the two ends and the middle of the fixed rail 21.

[0069] In the utility model, the fixed rail 21 is a channel steel, and the moving wheel 22 is a rubber roller.

[0070] As shown in the accompanying drawings, Figure 4 Further, the connecting rope 3 comprises a connecting rope body and hooks connected to the two ends of the connecting rope body.

[0071] In the utility model, the middle part of the connecting rope 3 is further provided with an adjusting assembly for adjusting the length of the connecting rope body.

[0072] The device with the above design structure is arranged as follows: in use, the operator first arranges the moving units at intervals of 6-12 m to form multiple groups of linkage; then, the operator passes the escape pipeline 5 through the multiple moving units arranged in a row and coaxially, and after the installation of the escape pipeline 5, the escape pipeline 5 is connected and fixed to the mounting frame 1 at both ends through the connecting rope 3, one end of the connecting rope 3 is connected to the corresponding connecting lug 11, and the other end of the connecting rope 3 is connected to the port wall of the escape pipeline 5, until the escape pipeline 5 is connected and fixed to the mounting frame 1 at both ends through the connecting rope 3, that is, the installation and fixing work of the escape pipeline 5 is completed.

[0073] When the device moves forward: when the tunnel construction footage exceeds the safe distance of the escape pipeline 5, the operator first removes the connecting rope 3 on the front end and the terminal moving unit of the escape pipeline 5; then, the escape pipeline 5 is pulled forward by manual operation combined with mechanical equipment or is pushed forward by multiple people, and when it slides forward by 6-12 m, a moving unit is added at the front end of the escape pipeline 5, and the forward sliding is continued, and the operation is repeated in this way, so that the escape pipeline 5 is finally moved to a position allowed by the safe distance, and finally, the operator fixes the connecting rope 3 on the front end and the terminal moving unit to the end of the escape pipeline 5, that is, the forward moving work of the escape pipeline 5 is completed.

[0074] Embodiment 2

[0075] As shown in the accompanying drawings, Figure 3 , Figures 8-10 As shown in the accompanying drawings, this embodiment is basically the same as embodiment 1, and the only difference is that it further comprises a limiting assembly 4 for limiting the movement of the escape pipeline 5 in the mounting frame 1, and the limiting assembly 4 is symmetrically arranged on the moving wheel assembly 2 on the front and rear sides of the mounting frame 1.

[0076] As shown in the accompanying drawings, Figures 8-10 Further, the limiting assembly 4 comprises:

[0077] A limiting plate 41 is arranged on the inner side of the middle part of the fixed rail 21.

[0078] Adjusting nuts 42, adjusting nuts 42 are connected to the outer side of the two ends of the corresponding fixed rail 21 respectively;

[0079] Adjusting parts 43, adjusting parts 43 are rotatably connected with the limiting plates 41 through the adjusting nuts 42 respectively;

[0080] The limiting plate 41 is used for abutting connection with the escape pipeline 5, and the movement of the escape pipeline 5 is limited.

[0081] As shown in Figures 8-10 Specifically, the limiting plate 41 is an arc-shaped plate, the curvature of one end face of the arc-shaped plate is matched with the outer diameter of the escape pipeline 5, the other end face of the arc-shaped plate is symmetrically provided with a rotating hole, the outer side of the rotating hole is connected with a limiting ring, and a limiting plate through hole is formed in the middle part of the limiting plate 41.

[0082] The adjusting part 43 is rotatably connected in the two rotating holes of the limiting plate 41.

[0083] The non-rotating hole end face of the limiting plate 41 is further connected with an anti-skid pad.

[0084] In the utility model, the limiting plate through hole is sleeved outside the moving wheel 22 in the middle part of the corresponding moving wheel assembly 2.

[0085] As shown in Figures 8-10 Further, the adjusting part 43 is in a whole "T" shape structure, the long rod of the adjusting part 43 is connected with a rotating ring at one end, the rotating ring is rotatably connected in the rotating hole, and the long rod of the adjusting part 43 is provided with an external thread section at the other end, and the external thread section is matched with the adjusting nut 42.

[0086] In the utility model, the limiting ring is used for limiting the rotating ring from being separated from the rotating hole.

[0087] When the device of the above embodiment 2 is arranged in the design structure, in the use process, the operation personnel first arrange the moving unit at an interval of 6-12 m to form a plurality of groups of linkage, and then the operation personnel pass the escape pipeline 5 through the plurality of moving units arranged in a row and coaxially, the escape pipeline 5 is installed, after the escape pipeline 5 is installed, the escape pipeline 5 is connected and fixed with the mounting frame 1 at the two ends through the connecting rope 3, one end of the connecting rope 3 is connected on the corresponding connecting lug 11, and the other end of the connecting rope 3 is connected on the port wall of the escape pipeline 5, until the escape pipeline 5 is connected and fixed with the mounting frame 1 at the two ends through the connecting rope 3.

[0088] Then, the operator rotates the limiting assembly 4 on each fixed rail 21 in sequence to further fix and lock the escape pipeline 5, so as to avoid the high-frequency vibration caused by blasting and mechanical equipment use in the tunnel construction process from causing the escape pipeline 5 to slide back and forth along the rolling wheel; when the limiting assembly 4 is used, the operator rotates two adjusting pieces 43 on the same fixed rail 21 to abut the limiting plate 41 against the outer wall of the escape pipeline 5; by rotating the adjusting piece 43, the fixed rail 21 connected with the adjusting piece 43 gradually approaches the escape pipeline 5, until the adjusting piece 43 cannot be rotated, that is, the limiting function of the limiting assembly 4 is completed, and until each limiting assembly 4 completes the locking of the escape pipeline 5, that is, the installation and fixing work of the escape pipeline 5 is completed.

[0089] When the device moves forward: when the tunnel construction footage exceeds the safety distance of the escape pipeline 5, the operator first removes the connecting rope 3 on the front end and the tail end of the escape pipeline 5, and loosens the limiting assembly 4 on the corresponding fixed rail 21; then, the escape pipeline 5 is pulled forward by manual operation with mechanical equipment or pushed forward by multiple people, and when the forward sliding is 6-12 m, a moving unit is added at the front end of the escape pipeline 5, and the forward sliding continues, and the operation is repeated in this way, so that the escape pipeline 5 is finally moved to a position allowed by the safety distance, finally, the operator fixes the connecting rope 3 on the front end and the tail end of the moving unit on the end of the escape pipeline 5, and finally, the operator rotates the limiting assembly 4 on each fixed rail 21 in sequence to further fix and lock the escape pipeline 5, that is, the forward moving and fixing work of the escape pipeline 5 is completed.

[0090] When the limiting assembly 4 is used as described above, the operator can select all or several limiting assemblies 4 on the same side to lock the escape pipeline 5 according to the arrangement and use requirements of the escape pipeline 5, so as to reduce the portability of the escape pipeline 5 when it is moved.

[0091] Finally, it should be noted that the above description is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to obtain equivalent embodiments. However, any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application without departing from the technical solution of the present application still falls within the protection scope of the present application.

Claims

1. A device for limiting and moving forward an escape pipe for assisting tunnel construction, comprising a plurality of moving units arranged in a row coaxially, characterized in that, The mobile unit comprises a mounting rack (1), a plurality of connecting ears (11) are symmetrically connected to both ends of the mounting rack (1); and a mobile wheel assembly (2) is connected to the middle of each end surface inside the mounting rack (1). Further comprising a connecting rope (3) connected to each connecting ear (11) at the outer end of the mobile unit at both ends. One end of the connecting rope (3) is connected to the corresponding connecting ear (11), and the other end is connected to the port wall of the escape pipeline (5).

2. The escape conduit limiting and advancing device for assisting tunnel construction according to claim 1, characterized in that, Further comprising a limiting assembly (4) for limiting the movement of the escape pipeline (5) in the mounting rack (1), which is symmetrically arranged on the mobile wheel assembly (2) on the front and rear sides of the mounting rack (1).

3. The escape conduit limiting and advancing device for assisting tunnel construction according to claim 1, characterized in that, The mounting rack (1) is in the form of a square frame structure as a whole.

4. The escape conduit limiting and advancing device for assisting tunnel construction according to claim 1, characterized in that, The connecting ears (11) are in the form of a "U" shape structure as a whole, and the connecting ears (11) are connected to the middle of each connecting rod at the left and right ends of the mounting rack (1), wherein a plurality of connecting ears (11) at each end are arranged in the form of a "cross".

5. The escape conduit limiting and advancing device for assisting tunnel construction according to claim 1, characterized in that, The mobile wheel assembly (2) comprises: A fixed rail (21) is connected to the middle of the connecting rod at the left and right ends inside the mounting rack (1); A mobile wheel (22) is rotatably connected to the fixed rail (21); The fixed rail (21) is connected between the corresponding two connecting ears (11).

6. The escape conduit limiting and advancing device for assisting tunnel construction according to claim 5, characterized in that, The cross section of the fixed rail (21) is in the form of a "H". The mobile wheel (22) is rotatably connected to the two ends and the middle of the fixed rail (21).

7. The device for limiting and moving forward of the escape pipeline for assisting tunnel construction according to claim 1, characterized in that, The connecting rope (3) comprises a connecting rope body and a hook connected to both ends of the connecting rope body.

8. The device for limiting and moving forward of the escape pipeline for assisting tunnel construction according to claim 2, characterized in that, The limiting assembly (4) comprises: A limiting plate (41) is arranged at the middle of the inner side of the corresponding fixed rail (21); An adjusting nut (42) is connected to the outer side of both ends of the corresponding fixed rail (21); An adjusting piece (43) is rotatably connected to the limiting plate (41) through the adjusting nut (42); The limiting plate (41) is used to abut the escape pipeline (5) to limit the movement of the escape pipeline (5).

9. The device for limiting and moving forward of the escape pipeline for assisting tunnel construction according to claim 8, characterized in that, The limiting plate (41) is an arc-shaped plate, the curvature of one end surface of the arc-shaped plate is matched with the outer diameter of the escape pipeline (5), the other end surface of the arc-shaped plate is symmetrically provided with a rotating hole, the outer side of the rotating hole is connected with a limiting ring, and a limiting plate through hole is provided in the middle of the limiting plate (41). The adjusting piece (43) is rotatably connected to the two rotating holes of the limiting plate (41). The non-rotating hole end surface of the limiting plate (41) is further connected with an anti-skid pad.

10. The device for limiting and moving forward of the escape pipeline for assisting tunnel construction according to claim 8, characterized in that, The adjusting piece (43) is in the form of a "T" shape structure as a whole, the long rod of the adjusting piece (43) is connected with a rotating ring at one end, the rotating ring is rotatably connected in the rotating hole, and the other end of the long rod is provided with an external thread section matched with the adjusting nut (42).

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