CN116845813A - Tunnel cable installation fixing device - Google Patents

Abstract

The invention discloses a tunnel cable installation fixing device, which relates to the technical field of tunnel cable installation and comprises a plurality of arc-shaped frameworks fixedly installed on the side wall of a tunnel, wherein the lower ends of the arc-shaped frameworks are opened and connected through a connecting mechanism; the beneficial effects are that: the upper supporting plate and the lower supporting plate can rotate in the horizontal plane while being horizontally supported, so that the installation and use of the tunnel bending section are met, the use requirement is met, the installation is convenient, the dimension does not need to be calculated in advance, and the condition that the tunnel bending section is difficult to install due to dimension deviation during installation is avoided; the nut, the clamping seat and the stress spring are arranged, so that the arrangement can be adjusted according to actual conditions, the stress is generated on the supporting cable, the cable is tightly pulled under the condition of changing the cable tension, and the condition that the cable is messy due to cable loosening and the cable is greatly pulled due to cable tension are avoided; the cable is automatically clamped in through the clamping block, the situation that the cable is not fixed, the cable falls off the support and the laying condition is affected is avoided.

Description

Tunnel cable installation fixing device

Technical Field

The invention relates to the technical field of tunnel cable installation, in particular to a tunnel cable installation fixing device.

Background

The cable tunnel is a corridor or tunnel structure for accommodating a large number of cables laid on the cable support, the cable tunnel not only can enable the tunnel to better protect the cables, but also can enable people to conveniently check and maintain the cables, along with the development of society, the use of electric power is indispensable for our life, and the cable tunnel is in close and indispensible connection with the electricity.

In China, patent application number: CN202010036748.2 discloses a large-diameter power tunnel cable inner bracket, which comprises a structural bracket, a horizontal prefabricated partition board and a vertical prefabricated partition board; the side beams of the ring steel sheets and the middle beams of the connecting truss are connected between each truss to form the structural support, two ends of the ring steel sheets are embedded into a bottom concrete platform in a tunnel, one end of the cross beam is fixed on the ring steel sheets, the other end of the cross beam is fixed on the middle beams, the top ends of the middle beams are fixed on the ring steel sheets, the horizontal prefabricated partition plates are placed on the cross beam, and the vertical prefabricated partition plates are fixed on the middle beams between truss and truss. This large diameter electric power tunnel cable inner support, in order to solve the convenience after the cable installation, separate the device into four independent bins, but the device is in order to walk conveniently, because be circular-arc after prefabricating shield segment concatenation, need the tunnel to build the in-process of this support at the tunnel bottom after installing this support lay the cement platform, not only greatly reduced construction progress, and can also need more building materials, cause the time limit for a project extension, the income is reduced, cement platform and shield segment are imprecisely built simultaneously, in the tunnel construction process, because of factors such as process error, environmental condition, the error can be caused in advance, but because the support is customized in advance, can cause the clearance to appear between support and the tunnel because of the tunnel error, cause the installation firmness not enough, reduce life, simultaneously because the tunnel often is not straight but have the bending section, but the support can cut into the multistage for the transportation of being convenient for before the installation, assemble after entering the tunnel, consequently, in order to guarantee that the support is connected with the installation between support and the support, complicated installation mode, further reduces working efficiency because of technological error, the cable is relaxed in the cable is carried out, the cable is easy to change in the condition of having reduced the cable is easy to have the cable is greatly changed in the cable is easy to the condition of having improved or the cable is easy to the condition of having changed.

Disclosure of Invention

The invention aims to solve the problems and provide a tunnel cable installation and fixing device.

The invention realizes the above purpose through the following technical scheme:

the stirring device in the fermentation tank comprises a plurality of arc-shaped frameworks which are fixedly arranged on the side wall of a tunnel, wherein the lower ends of the arc-shaped frameworks are opened and connected through a connecting mechanism, a vertical column which is vertically arranged and a horizontal beam which is horizontally arranged are arranged in the arc-shaped frameworks, an upper supporting plate is fixedly arranged on the upper surface of the beam, brackets are respectively fixedly arranged on the left side and the right side of the lower part of the arc-shaped frameworks, and a lower supporting plate is fixedly arranged on each bracket; and a fixing bracket for tightening the cable is uniformly and fixedly arranged on the inner wall of the arc-shaped framework and the upright post.

Preferably: the upper support plates comprise a first upper rotating plate, a second upper rotating plate and a first connecting plate, and the first upper rotating plate of one upper support plate and the second upper rotating plate of the other adjacent upper support plate are fixedly arranged on the cross beam; the first upper rotating plate is close to one end of the second upper rotating plate and is set to be circular arc, the second upper rotating plate is close to one end of the first upper rotating plate and is set to be circular arc, the upper surface of one end of the first upper rotating plate is close to the second upper rotating plate and corresponds to the end of the second upper rotating plate, the upper surfaces of the first upper rotating plate and the second upper rotating plate are leveled, the lower parts of the first upper rotating plate and the second upper rotating plate are respectively connected with two ends of a connecting plate in a rotating mode, and two rotating centers are respectively coincident with arc centers of arc surfaces of the end of the first upper rotating plate and the second upper rotating plate.

Preferably: the lower support plates comprise a first lower rotating plate, a second lower rotating plate and a first connecting plate, and the first lower rotating plate of one lower support plate and the second lower rotating plate of the other adjacent lower support plate are fixedly arranged below the cross beam; the first lower rotating plate is close to one end of the second lower rotating plate and is set to be an arc, one end of the second lower rotating plate is close to the first lower rotating plate and is set to be an arc, the upper surface of one end of the first lower rotating plate is close to the second lower rotating plate, the end of the second lower rotating plate is correspondingly provided with a groove, the upper surfaces of the first lower rotating plate and the second lower rotating plate are leveled, the lower parts of the first lower rotating plate and the second lower rotating plate are respectively connected with two ends of a connecting plate in a rotating mode, and two rotating centers are respectively coincided with arc centers of arc surfaces of the end of the first lower rotating plate and the second lower rotating plate.

Preferably: the fixing support comprises a fixing plate, a threaded rod, a nut, a stress spring, a clamping seat, a clamping block, a limiting groove, a threaded hole and a limiting block, wherein the fixing plate is fixed on the arc-shaped framework or the stand column through bolts inserted in bolt holes, the threaded rod is fixedly installed on the fixing plate, the limiting groove is formed in the upper portion of the threaded rod, the nut is sleeved on the threaded rod, the stress spring and the clamping seat are connected with the threaded rod through threads, the clamping seat is sleeved on the threaded rod to slide, the clamping seat corresponds to the limiting groove, the limiting block is fixedly installed with the limiting block, the limiting block is clamped in the limiting groove to slide, the stress spring is arranged between the nut and the clamping seat, and the clamping block for clamping a cable is arranged on the clamping seat.

Preferably: and a plug used for preventing the nut, the stress spring and the clamping seat from sliding down is arranged at one end of the threaded rod, which is far away from the fixed plate, through a thread connecting sleeve.

Preferably: the shape of cassette is the U-shaped, cassette lower part cover is in on the threaded rod, the through-hole has been seted up respectively to cassette upper portion left and right sides, the fixture block sets up in the through-hole, fixture block upper portion through the pivot with the through-hole inner wall rotation of cassette is connected, the fixture block is close to the one end lower part of cable sets up to the arc surface with the pivot as the center, the fixture block is kept away from one end lower part fixed mounting of cable has the burden piece.

Compared with the prior art, the invention has the beneficial effects that:

1. by arranging the upper supporting plate and the lower supporting plate, the time for waiting for paving and solidifying the cement table is saved, the working efficiency is improved, the construction progress is accelerated, and the economic benefit of enterprises is improved;

2. the upper supporting plate and the lower supporting plate can rotate in the horizontal plane while being horizontally supported, so that the installation and use of the tunnel bending section are met, the use requirement is met, the installation is convenient, the dimension does not need to be calculated in advance, and the condition that the tunnel bending section is difficult to install due to dimension deviation during installation is avoided;

3. the nut, the clamping seat and the stress spring are arranged, so that the arrangement can be adjusted according to actual conditions, the stress is generated on the supporting cable, the cable is tightly pulled under the condition of changing the cable tension, and the condition that the cable is messy due to cable loosening and the cable is greatly pulled due to cable tension are avoided;

4. the cable is automatically clamped in through the clamping block, the situation that the cable is not fixed, the cable falls off the support and the laying condition is affected is avoided.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic perspective view of a tunnel cable installation fixture according to the present invention.

Fig. 2 is a schematic perspective view of another view of a tunnel cable mounting and fixing device according to the present invention.

Fig. 3 is a schematic perspective view of an upper support plate of a tunnel cable installation fixture according to the present invention.

Fig. 4 is a schematic perspective view of a lower support plate of a tunnel cable installation fixture according to the present invention.

Fig. 5 is a schematic view of the use of an upper stay plate of a tunnel cable installation fixture according to the present invention.

Fig. 6 is a front view of a fixing bracket of a tunnel cable installation fixing device according to the present invention.

Fig. 7 is a schematic perspective view of a fixing bracket of a tunnel cable installation fixing device according to the present invention.

Fig. 8 is a schematic perspective view of a holder of a tunnel cable installation fixing device according to the present invention.

Fig. 9 is a schematic diagram of the use of a fixing bracket of a tunnel cable installation fixing device according to the present invention.

The reference numerals are explained as follows:

1. an arc-shaped framework; 2. a column; 3. an upper support plate; 31. a first upper swivel plate; 32. a second upper rotating plate; 33. a first connection plate; 4. a lower support plate; 41. a first lower swivel plate; 42. a second lower rotating plate; 43. a second connecting plate; 5. a fixed bracket; 51. a fixing plate; 52. a threaded rod; 53. a nut; 54. a stress spring; 55. a clamping seat; 56. a clamping block; 561. a negative weight; 562. a chuck; 563. a rotating shaft; 57. a plug; 58. a limit groove; 59. bolt holes; 510. a limiting block; 6. a cross beam; 7. a bracket; 8. and a connecting mechanism.

Detailed Description

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1-9, a tunnel cable installation fixing device comprises a plurality of arc frameworks 1 fixedly installed on the side wall of a tunnel, wherein the lower ends of the arc frameworks 1 are opened and connected through a connecting mechanism 8, the connecting mechanism 8 is formed by flanges on the left end and the right end of the arc frameworks 1, threaded rods penetrating through the flanges and fixing nuts 53 on the threaded rods, which correspond to the two sides of the flanges, through adjusting the positions of the fixing nuts 53 on the threaded rods, the size of the openings can be adjusted, the tunnel cable installation fixing device adapts to the inner diameter of the tunnel, vertical columns 2 and horizontal beams 6 are arranged in the arc frameworks 1, upper supporting plates 3 are fixedly installed on the upper surfaces of the beams 6, brackets 7 are fixedly installed on the left side and the right side of the lower part of the arc frameworks 1 respectively, and lower supporting plates 4 are fixedly installed on the brackets 7; and a fixing bracket 5 for tightening the cable is uniformly and fixedly arranged on the inner wall of the arc-shaped framework 1 and the upright post 2.

The upper support plates 3 comprise a first upper rotating plate 31, a second upper rotating plate 32 and a first connecting plate 33, and the first upper rotating plate 31 of one upper support plate 3 and the second upper rotating plate 32 of the other adjacent upper support plate 3 are fixedly arranged on the cross beam 6; the one end that first upper portion revolving plate 31 is close to second upper portion revolving plate 32 sets up to the circular arc, the one end that second upper portion revolving plate 32 is close to first upper portion revolving plate 31 sets up to the circular arc, the end that first upper portion revolving plate 31 is close to second upper portion revolving plate 32 corresponds second upper portion revolving plate 32 is seted up flutedly, first upper portion revolving plate 31 and second upper portion revolving plate 32 upper surface are level, first upper portion revolving plate 31 and second upper portion revolving plate 32 below rotate with the connecting plate both ends respectively and are connected, and two centers of rotation coincide with the arc center of the end cambered surface of first upper portion revolving plate 31 and second upper portion revolving plate 32 respectively, realize crooked connection through first upper portion revolving plate 31 and second upper portion revolving plate 32 relative rotation, adapt to tunnel curvature, satisfy the use.

The lower support plates 4 comprise a first lower rotating plate 41, a second lower rotating plate 42 and a first connecting plate 33, and the first lower rotating plate 41 of one lower support plate 4 and the second lower rotating plate 42 of the other adjacent lower support plate 4 are fixedly arranged below the cross beam 6; the one end that first lower part rotating plate 41 is close to second lower part rotating plate 42 sets up to the circular arc, the one end that second lower part rotating plate 42 is close to first lower part rotating plate 41 sets up to the circular arc, the end that first lower part rotating plate 41 is close to second lower part rotating plate 42 corresponds the end of second lower part rotating plate 42 is seted up flutedly, first lower part rotating plate 41 and second lower part rotating plate 42 upper surface are leveled, first lower part rotating plate 41 and second lower part rotating plate 42 below rotate with the connecting plate both ends respectively and are connected, and two centers of rotation coincide with the arc center of the end cambered surface of first lower part rotating plate 41 and second lower part rotating plate 42 respectively, realize crooked connection through first lower part rotating plate 41 and second lower part rotating plate 42 relative rotation, adapt to tunnel curvature, satisfy the use.

The fixed support 5 comprises a fixed plate 51, a threaded rod 52, a nut 53, a stress spring 54, a clamping seat 55, a clamping block 56, a limiting groove 58, a threaded hole and a limiting block 510, wherein the fixed plate 51 is fixedly arranged on the arc-shaped framework 1 or the upright post 2 through the insertion of bolts in the bolt holes 59, the threaded rod 52 is fixedly arranged on the fixed plate 51, the limiting groove 58 is formed in the upper portion of the threaded rod 52, the nut 53, the stress spring 54 and the clamping seat 55 are sleeved on the threaded rod 52, the nut 53 is connected with the threaded rod 52 through threads, the clamping seat 55 is sleeved on the threaded rod 52 and slides, the limiting block 510 is fixedly arranged on the clamping seat 55 corresponding to the limiting groove 58, the limiting block 510 is clamped in the limiting groove 58 and slides, the stress spring 54 is arranged between the nut 53 and the clamping seat 55, the installation sequence of the nut 53, the stress spring 54 and the clamping seat 55 can be adjusted according to requirements, the position of the nut 53 can be adjusted, the stress spring 54 can keep a certain stress to continuously push the clamping seat 55 after the cable is installed, the cable tension is ensured, and the cable is prevented from being loose and messy.

One end of the threaded rod 52 far away from the fixed plate 51 is provided with a plug 57 for preventing the nut 53, the stress spring 54 and the clamping seat 55 from sliding off through a threaded connecting sleeve, and the plug 57 in threaded connection facilitates the removal of the nut 53, the stress spring 54 and the clamping seat 55 for position exchange.

The shape of cassette 55 is the U-shaped, cassette 55 lower part cover is on threaded rod 52, the through-hole has been seted up respectively to cassette 55 upper portion left and right sides, fixture block 56 sets up in the through-hole, fixture block 56 upper portion is rotated through pivot 563 and the through-hole inner wall of cassette 55 and is connected, the one end lower part that fixture block 56 is close to the cable sets up to the arc surface with pivot 563 as the center, one end lower part fixed mounting that the fixture block 56 kept away from the cable has the load piece 561, when the cable card advances cassette 55, the cable pushes down chuck 562, chuck 562 pushes down, the load piece 561 lifts up, the cable whereabouts exceeds chuck 562 after the action of gravity, chuck 562 upwards rotates to reset, chuck 562 receives the through-hole spacing effect to remain the level on the cassette 55, accomplish the block of cable, receive chuck 562 to block when directly upwards lifting up, can't break away from cassette 55, when needing to get off the cable, initiatively lift up load piece 561, chuck 562 goes out inside the cassette 55, can take out the cable.

Working principle: during the use, pass through screw fixation with arc skeleton 1 on the tunnel inner wall, flexible roll adjustment through coupling mechanism 8, fixed connection arc skeleton 1 opening, accomplish arc skeleton 1 installation back, with the second upper portion revolving plate 32 fixed mounting of upper portion fagging 3 on crossbeam 6, the second lower part revolving plate 42 fixed mounting of lower part fagging 4 on crossbeam 6, rotatory first upper portion revolving plate 31 and first lower part revolving plate 41 according to the tunnel camber, then install next arc skeleton 1 again, with last first upper portion revolving plate 31 and next second upper portion revolving plate 32 fixed mounting respectively on crossbeam 6, install last first lower part revolving plate 41 and next second lower part revolving plate 42 fixed mounting respectively on bracket 7, install according to the above-mentioned method, after the installation is accomplished, form the walking passageway through upper portion fagging 3 and lower part fagging 4, the cable that will lay in proper order, the nut 53 of the fixed bolster 5 and the cassette 55 of corresponding position on two adjacent arc skeletons 1 make the cable position opposite, make the cable in order in the fixed bolster 5 and the fixed bolster position S, make the cable is difficult to make the tension, the cable is adjusted in order, the cable is difficult to be laid in the spring support 53, the condition is avoided.

The arc-shaped framework 1, the upright posts 2, the cross beams 6, the brackets 7 and the connecting mechanism 8 are all general standard components or components known to a person skilled in the art, and the structure and the principle of the arc-shaped framework are all known by the person skilled in the art through technical manuals or through routine experimental methods, so that the arc-shaped framework is not described in detail herein.

While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present invention, it will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. The utility model provides a tunnel cable installs fixing device, includes arc skeleton (1) of a plurality of fixed mounting on tunnel lateral wall, its characterized in that: the lower end of the arc-shaped framework (1) is opened and connected through a connecting mechanism (8), a vertical column (2) and a horizontal cross beam (6) are arranged in the arc-shaped framework (1), an upper supporting plate (3) is fixedly arranged on the upper surface of the cross beam (6), brackets (7) are respectively and fixedly arranged on the left side and the right side of the lower part of the arc-shaped framework (1), and a lower supporting plate (4) is fixedly arranged on the brackets (7); and a fixing bracket (5) for tightening the cable is uniformly and fixedly arranged on the inner wall of the arc-shaped framework (1) and the upright post (2).

2. A tunnel cable mounting fixture according to claim 1, wherein: the upper support plates (3) comprise a first upper rotating plate (31), a second upper rotating plate (32) and a first connecting plate (33), and the first upper rotating plate (31) of one upper support plate (3) and the second upper rotating plate (32) of the other adjacent upper support plate (3) are fixedly arranged on the cross beam (6); the utility model discloses a novel electric motor, including first upper portion rotating plate (31), second upper portion rotating plate (32), connecting plate, first upper portion rotating plate (31), second upper portion rotating plate (32), first upper portion rotating plate (31) is close to the one end of second upper portion rotating plate (32) sets up to the circular arc, second upper portion rotating plate (32) is close to the one end upper surface of second upper portion rotating plate (32) corresponds the end has seted up flutedly, first upper portion rotating plate (31) and second upper portion rotating plate (32) upper surface are level, first upper portion rotating plate (31) with second upper portion rotating plate (32) below rotates with the connecting plate both ends respectively and is connected, and two centers of rotation respectively with the arc center of the cambered surface of first upper portion rotating plate (31) and second upper portion rotating plate (32) end coincidence.

3. A tunnel cable mounting fixture according to claim 1, wherein: the lower support plates (4) comprise a first lower rotating plate (41), a second lower rotating plate (42) and a first connecting plate (33), wherein the first lower rotating plate (41) of one lower support plate (4) and the second lower rotating plate (42) of the other adjacent lower support plate (4) are fixedly arranged below the cross beam (6); the utility model discloses a motor vehicle is characterized by comprising a connecting plate, a first lower rotating plate (41) and a second lower rotating plate (42), wherein one end of the first lower rotating plate (41) is close to the second lower rotating plate (42) and is set to be an arc, one end of the second lower rotating plate (41) is close to the first lower rotating plate (41), one end upper surface of the first lower rotating plate (41) is close to the second lower rotating plate (42) and corresponds to the end of the second lower rotating plate (42) is provided with a groove, the upper surfaces of the first lower rotating plate (41) and the second lower rotating plate (42) are level, the lower parts of the first lower rotating plate (41) and the second lower rotating plate (42) are respectively connected with the two ends of the connecting plate in a rotating mode, and two rotating centers are respectively coincident with the arc centers of the cambered surfaces of the ends of the first lower rotating plate (41) and the second lower rotating plate (42).

4. A tunnel cable mounting fixture according to claim 1, wherein: the fixing support (5) comprises a fixing plate (51), a threaded rod (52), a nut (53), a stress spring (54), a clamping seat (55), a clamping block (56), a limiting groove (58), a threaded hole and a limiting block (510), wherein the fixing plate (51) is fixed on the arc-shaped framework (1) or the upright post (2) through an inserting bolt in a bolt hole (59), the threaded rod (52) is fixedly installed on the fixing plate (51), the limiting groove (58) is formed in the upper portion of the threaded rod (52), the nut (53) is sleeved on the threaded rod (52), the stress spring (54) and the clamping seat (55) are connected with the threaded rod (52) through threads, the clamping seat (55) is sleeved on the threaded rod (52) in a sliding mode, the limiting block (510) is fixedly installed in the limiting groove (58), the stress spring (54) is arranged between the nut (53) and the clamping seat (55), and the clamping seat (55) is used for clamping the cable (56).

5. The tunnel cable mounting fixture of claim 4 wherein: one end of the threaded rod (52) far away from the fixed plate (51) is provided with a plug (57) for preventing the nut (53), the stress spring (54) and the clamping seat (55) from sliding off through a thread connecting sleeve.

6. The tunnel cable mounting fixture of claim 4 wherein: the shape of cassette (55) is the U-shaped, cassette (55) lower part cover is in on threaded rod (52), the through-hole has been seted up respectively to cassette (55) upper portion left and right sides, fixture block (56) set up in the through-hole, fixture block (56) upper portion pass through pivot (563) with the through-hole inner wall rotation of cassette (55) is connected, fixture block (56) are close to the one end lower part of cable sets up to the arc surface with pivot (563) as the center, fixture block (56) are kept away from one end lower part fixed mounting of cable has load weight (561).