CN218581090U - Installation positioning structure of prefabricated rail top air duct - Google Patents

Abstract

The utility model belongs to the field of top air duct installation, in particular to an installation positioning structure of a prefabricated rail top air duct, which comprises a first fixed plate; the bottom of the first fixing plate is fixedly connected with the left side position of the top of the second fixing plate, the right side of the second fixing plate is fixedly connected with the left side of the third fixing plate, the inner parts of the first fixing plate and the third fixing plate are close to the top and are fixedly connected with the bottoms of U-shaped steel bars, the U-shaped steel bars are linearly arrayed at the tops of the first fixing plate and the third fixing plate, and the U-shaped steel bars are sleeved in the inner part of the first opening; through the structural design that the top fixed mounting U-shaped reinforcing steel bar bottom of bottom fixed plate carries out the push-up, realized that accessible U-shaped reinforcing steel bar inserts the inside function of installing of predetermined installing port, solved and hung when adopting the bolt to install the fixed plate in the past and got and easily take place the bolt and receive the striking and produce the problem of spending the piece, reduced and adopted bolted connection to appear in the past and taken the possibility of a piece.

Description

Installation positioning structure of prefabricated rail top air duct

Technical Field

The utility model relates to a top wind channel installation field specifically is an installation location structure in prefabricated rail top wind channel.

Background

The rail top air duct, the train top exhaust duct is important inner structure component among the subway station ventilation system, hangs in the handing-over position of station medium plate and structure side wall, because the particularity of its position, generally not pour into a mould simultaneously with the station main part, especially at the station that the shield construction needs to pass through, rail top air duct must the later stage pour into a mould.

The existing prefabricated rail top air duct is installed by arranging a port at the top and internally installing and screwing a screw. And a threaded connecting hole is formed in the fixing plate arranged at the bottom, and the fixing plate is hung at the top and is connected with the bottom fixing plate in a rotating mode through a bolt.

The existing prefabricated ventilation pipeline adopts a hoisting fixing plate to occupy the top for hoisting, so that the occupied space of the top is larger, the bottom fixing plate is screwed up and connected by adopting a screwing screw rod, the installation is inconvenient, the construction error is difficult to adjust, and the part is easy to be wasted; therefore, the installation positioning structure of the prefabricated rail top air duct is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, current prefabricated air pipe adopts to hang and gets the fixed plate and occupy the top and hang and get and make top occupation space great, adopts to screw up the screw rod and screw up the bottom fixed plate and connect the installation of being not convenient for, and the difficult problem of spending the piece that easily appears of adjusting of construction error, the utility model provides an installation location structure in prefabricated rail top wind channel.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to an installation positioning structure of a prefabricated rail top air duct, which comprises a first fixed plate; the bottom of the first fixing plate is fixedly connected with the left side position of the top of a second fixing plate, the right side of the second fixing plate is fixedly connected with the left side of a third fixing plate, the insides of the first fixing plate and the third fixing plate, which are close to the tops, are fixedly connected with the bottoms of U-shaped steel bars, the U-shaped steel bars are linearly arrayed at the tops of the first fixing plate and the third fixing plate, and the U-shaped steel bars are sleeved in the insides of the first openings;

no. one the mouth is seted up inside the roof, no. two mouths have been seted up at the roof top, no. two total ten and a mouthful intercommunication of mouth, no. two mouthful inside cover is equipped with fixing bolt, fixing bolt bottom butt has No. two mouthful bottoms, no. two fixed plate bottom butt has the jacking board, jacking board bottom fixedly connected with seven jacking poles of jacking board bottom and No. eight jacking pole tops.

Preferably, the seven jacking rods and the eight jacking rods are arranged at the bottoms of the jacking plates in a mirror image array mode, the intersections of the seven jacking rods and the eight jacking rods are rotatably connected with the tops of the five jacking rods and the tops of the six jacking rods, the bottoms of the five jacking rods and the six jacking rods are rotatably connected with the tops of the three jacking rods and the tops of the four jacking rods, the intersections of the three jacking rods and the four jacking rods are rotatably connected with the tops of the first jacking rods and the tops of the second jacking rods, and the bottoms of the first jacking rods and the bottoms of the second jacking rods are fixedly connected with the tops of the jacking tables.

Preferably, jacking board top butt has No. two fixed plate bottoms, no. two fixed plate right side fixedly connected with No. three fixed plate left sides.

Preferably, no. two fixed plate top left sides fixedly connected with fixed plate bottom No. one, no. one fixed plate and No. three fixed plate inside top fixedly connected with U-shaped reinforcing bar.

Preferably, the total ten U-shaped reinforcing steel bars are in a linear array at the tops of a first fixing plate and a third fixing plate, the U-shaped reinforcing steel bars are sleeved at the inner part of a first opening, and the first opening is formed in the top plate.

Preferably, no. two mouths have been seted up at the roof top, no. two mouths and a mouth intercommunication, no. two mouthful bottom butt joint has the fixed bolt bottom, the fixed bolt cover is established inside the U-shaped reinforcing bar.

The utility model discloses an useful part lies in:

1. the utility model realizes the function of installing by inserting the U-shaped steel bar into the preset installing port, solves the problem that the bolt is easy to be collided to generate the expense when the fixing plate is installed by adopting the bolt in the past, and reduces the possibility of wasting the expense when the bolt is connected in the past;

2. the utility model discloses a buckle is seted up to the roof that supports at top, and inside installs the structural design of fixed bolt additional, has realized inserting inside the U-shaped reinforcing bar, adopts fixed bolt to carry out the fixed function of bottom sprag board, has solved and has adopted bolted connection in the past to connect when connecting because the bolt design of multiunit has the untight problem of connection, has reduced the possibility of connecting the inseparable installation difficulty.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is a schematic cross-sectional view illustrating a first embodiment of the present invention;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2 according to the first embodiment;

FIG. 4 is a schematic overall structure diagram according to the first embodiment;

FIG. 5 is a schematic structural diagram of an improved whole of the second embodiment

Fig. 6 is an enlarged schematic structural diagram of embodiment two at B in fig. 5.

In the figure: 1. a jacking table; 2. a first fixing plate; 3. a top plate; 4. a fixed block; 11. a first jacking rod; 12. a second jacking rod; 13. a third jacking rod; 14. a fourth jacking rod; 15. a fifth jacking rod; 16. a sixth jacking rod; 17. a seventh jacking rod; 18. a jack-up rod No. eight; 19. a jacking plate; 21. a second fixing plate; 22. a third fixing plate; 23. u-shaped steel bars; 31. a first opening; 32. a second port; 33. and fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, an installation and positioning structure of a prefabricated rail top air duct includes a first fixing plate 2; the bottom of the first fixing plate 2 is fixedly connected with the left side position of the top of a second fixing plate 21, the right side of the second fixing plate 21 is fixedly connected with the left side of a third fixing plate 22, the insides of the first fixing plate 2 and the third fixing plate 22 close to the tops are fixedly connected with the bottoms of U-shaped steel bars 23, the U-shaped steel bars 23 are linearly arrayed on the tops of the first fixing plate 2 and the third fixing plate 22, and the U-shaped steel bars 23 are sleeved in the first opening 31;

the first opening 31 is formed in the top plate 3, the second opening 32 is formed in the top of the top plate 3, ten openings 32 are formed in the second opening 32 and communicated with the first opening 31, a fixing bolt 33 is sleeved in the second opening 32, the bottom of the fixing bolt 33 is abutted to the bottom of the second opening 32, the bottom of the second fixing plate 21 is abutted to a jacking plate 19, and the bottom of the jacking plate 19 is fixedly connected with the tops of a seventh jacking rod 17 and an eighth jacking rod 18;

when the prefabricated ventilating duct works, the top of the bottom fixing plate is fixedly provided with the structural design that the U-shaped steel bar is pushed upwards, the function of installation by inserting the U-shaped steel bar into the preset installation opening is realized, the problem that cost parts are easily generated due to the fact that bolts are impacted when the fixing plate is installed by adopting bolts in the past is solved, the possibility of cost parts generated by adopting bolt connection in the past is reduced, the existing prefabricated ventilating duct adopts the structure that the hanging fixing plate occupies the top for hanging, so that the occupied space of the top is larger, the bottom fixing plate is screwed by adopting a screwing screw rod for connection, the installation is inconvenient, the cost parts are easily generated due to difficult adjustment of construction errors, a support top plate at the top is provided with a buckle, and the U-shaped steel bar is inserted into the inside by additionally arranging the structural design of the fixing bolt inside, adopt fixing bolt to carry out the fixed function of bottom sprag board, it may connect untight problem because the bolt design of multiunit when connecting to have solved in the past to adopt bolted connection, the possibility of connecting untight installation difficulty has been reduced, no. one fixed plate 2 and No. two fixed plates 21 and No. three fixed plates 22 carry out the bottom installation ventiduct and set up, no. one fixed plate 2 can insert a mouth 31 and No. two mouths 32 with the U-shaped reinforcing bar 23 at No. three fixed plates 22 top, insert the effect that fixed bolt 33 reaches fixed U-shaped reinforcing bar 23 in No. two mouths 32 are inside, thereby No. two fixed plates 21 bottom butt jacking board 19 promotes No. one fixed plate 2, no. two fixed plates 21, no. three fixed plates 22's effect, jacking board 19 bottom fixed connection's No. seven jacking pole 17 and No. eight jacking pole 18 are the folding effect of pushing up.

The seven jacking rods 17 and the eight jacking rods 18 are arranged at the bottom of the jacking plate 19 in a mirror image array mode, the intersections of the seven jacking rods 17 and the eight jacking rods 18 are rotatably connected with the tops of a five jacking rod 15 and a six jacking rod 16, the bottoms of the five jacking rod 15 and the six jacking rod 16 are rotatably connected with a three jacking rod 13 and a four jacking rod 14, the intersections of the three jacking rod 13 and the four jacking rod 14 are rotatably connected with the tops of a first jacking rod 11 and a second jacking rod 12, and the bottoms of the first jacking rod 11 and the second jacking rod 12 are fixedly connected with the top of the jacking table 1;

during operation, the first lifting rod 11, the second lifting rod 12, the third lifting rod 13, the fourth lifting rod 14, the fifth lifting rod 15, the sixth lifting rod 16, the seventh lifting rod 17 and the eighth lifting rod 18 arranged at the top of the lifting table 1 are of a folding push-up structure, and the lifting plate 19 is pushed upwards to install the fixing plate at the bottom.

The top of the jacking plate 19 is abutted to the bottom of a second fixing plate 21, and the right side of the second fixing plate 21 is fixedly connected with the left side of a third fixing plate 22;

during operation, the lifting plate 19 pushes the second fixing plate 21, and the second fixing plate 21 is used for fixedly supporting the third fixing plate 22.

The left side of the top of the second fixing plate 21 is fixedly connected with the bottom of the first fixing plate 2, and the top ends of the interiors of the first fixing plate 2 and the third fixing plate 22 are fixedly connected with U-shaped steel bars 23;

during operation, no. two fixed plate 21 supports No. one fixed plate 2 and No. three fixed plate 22, and U-shaped reinforcing bar 23 fixes at No. one fixed plate 2 and No. three fixed plate 22 top thereby carries out the fixed effect of bottom sprag.

The U-shaped steel bars 23 are linearly arrayed on the tops of the first fixing plate 2 and the third fixing plate 22, the U-shaped steel bars 23 are sleeved inside the first opening 31, and the first opening 31 is formed inside the top plate 3;

during operation, thereby U-shaped reinforcing bar 23 sets up ten settings and makes U-shaped reinforcing bar 23 cover establish and fix in a mouthful 31 inside with No. three fixed plate 22 tops at a fixed plate 2, thereby mouthful 31 is seted up in roof 3 insidely.

A second opening 32 is formed in the top of the top plate 3, the second opening 32 is communicated with the first opening 31, the bottom of the second opening 32 is abutted to the bottom of a fixing bolt 33, and the fixing bolt 33 is sleeved inside the U-shaped steel bar 23;

during operation, no. two mouthful 32 are seted up at roof 3 top, and No. two mouthful 32 and a mouthful 31 intercommunication insert No. two mouthful 32 insidely with fixing bolt 33 thereby reach the effect of fixed U-shaped reinforcing bar 23.

Example two

Referring to fig. 5 to 6, in a first comparative example, as another embodiment of the present invention, fixed blocks 4 are fixedly connected to front and rear sides of the lifting plate 19, and four fixed blocks 4 are fixedly connected to front and rear sides of the lifting plate 19;

in operation, the fixed blocks 4 fixed at the front and rear ends of the jacking plate 19 are arranged for better fixing the supporting plate.

The working principle, through the structural design that the U-shaped steel bar is fixedly arranged at the top of the bottom fixing plate and the bottom is pushed upwards, the function of installation by inserting the U-shaped steel bar into the preset installation opening is realized, the problem that the bolts are easily impacted to generate expense pieces when the fixing plate is installed by adopting the bolts in the past is solved, the possibility of expense pieces generated by adopting bolt connection in the past is reduced, the existing prefabricated ventilation pipeline adopts the structural design that the hanging fixing plate occupies the top for hanging, so that the occupied space of the top is larger, the bottom fixing plate is screwed by adopting a screwing screw rod for connection, the installation is inconvenient, the expense pieces are easily generated due to difficult adjustment of construction errors, a buckle is arranged on a supporting top plate at the top, a fixing bolt is additionally arranged inside the prefabricated ventilation pipeline, the function of inserting the U-shaped steel bar into the inside and fixing the bottom supporting plate by adopting the fixing bolt is realized, the problem that multiple groups of bolts are designed to be untight in connection when connection is carried out by adopting the conventional bolt connection is solved, the possibility of difficulty in untight connection and installation is reduced, the first fixing plate 2, the second fixing plate 21 and the third fixing plate 22 are arranged on a ventilation channel for bottom installation, the U-shaped reinforcing steel bars 23 at the tops of the first fixing plate 2 and the third fixing plate 22 can be inserted into the first opening 31 and the second opening 32, the fixing bolts 33 are inserted into the second opening 32 to achieve the effect of fixing the U-shaped reinforcing steel bars 23, the bottom of the second fixing plate 21 is abutted to the jacking plate 19 to push the first fixing plate 2, the second fixing plate 21 and the third fixing plate 22, the seven jacking rods 17 and the eight jacking rods 18 fixedly connected at the bottom of the jacking plate 19 are in a folding and pushing-up effect, and the first jacking rod 11, the second jacking rod 12, the third jacking rod 13, the fourth jacking rod 14, the fifth jacking rod 15 and the eighth jacking rod 18 are arranged at the top of the jacking table 1, the six-number jacking rod 16, the seven-number jacking rod 17 and the eight-number jacking rod 18 are of a folding push-up structure, the jacking plate 19 is pushed upwards to mount a bottom fixing plate, the jacking plate 19 pushes the two-number fixing plate 21, the two-number fixing plate 21 is fixedly supported by the three-number fixing plate 22, the two-number fixing plate 21 supports the one-number fixing plate 2 and the three-number fixing plate 22, the U-shaped steel bar 23 is fixed at the tops of the one-number fixing plate 2 and the three-number fixing plate 22 to achieve the bottom supporting fixing effect, the U-shaped steel bar 23 is provided with ten holes which are arranged at the tops of the one-number fixing plate 2 and the three-number fixing plate 22 to enable the U-shaped steel bar 23 to be sleeved inside the one hole 31 to be fixed, the one hole 31 is arranged inside the top plate 3, the two-number hole 32 is arranged at the top of the top plate 3, the two-number hole 32 is communicated with the one hole 31, and the fixing bolt 33 is inserted inside the two-number hole 32 to achieve the U-shaped steel bar 23 fixing effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (6)

1. A mounting and positioning structure of a prefabricated rail top air duct comprises a first fixing plate (2); no. one fixed plate (2) bottom fixedly connected with No. two fixed plate (21) top left side position, no. two fixed plate (21) right side fixedly connected with No. three fixed plate (22) left sides, its characterized in that: the bottoms of U-shaped steel bars (23) are fixedly connected to the inner parts of the first fixing plate (2) and the third fixing plate (22) close to the tops, the number of the U-shaped steel bars (23) is ten, the U-shaped steel bars are linearly arranged on the tops of the first fixing plate (2) and the third fixing plate (22), and the U-shaped steel bars (23) are sleeved in the first opening (31);

no. one mouthful (31) are seted up inside roof (3), no. two mouthful (32) have been seted up at roof (3) top, no. two mouthful (32) total ten and a mouthful (31) intercommunication, no. two inside covers of mouthful (32) are equipped with fixing bolt (33), fixing bolt (33) bottom butt has No. two mouthful (32) bottoms, no. two fixed plate (21) bottom butt has jacking board (19), jacking board (19) bottom fixedly connected with seven jacking poles (17) and No. eight jacking pole (18) tops.

2. The mounting and positioning structure of the precast rail air duct unit according to claim 1, characterized in that: the novel jacking system is characterized in that the seven jacking rods (17) and the eight jacking rods (18) are arranged at the bottoms of jacking plates (19) in a mirror image array mode, the intersections of the seven jacking rods (17) and the eight jacking rods (18) are rotatably connected with the tops of the five jacking rods (15) and the six jacking rods (16), the bottoms of the five jacking rods (15) and the six jacking rods (16) are rotatably connected with the tops of the three jacking rods (13) and the four jacking rods (14), the intersections of the three jacking rods (13) and the four jacking rods (14) are rotatably connected with the tops of the first jacking rods (11) and the second jacking rods (12), and the bottoms of the first jacking rods (11) and the second jacking rods (12) are fixedly connected with the tops of jacking tables (1).

3. The mounting and positioning structure of the precast rail overhead duct according to claim 2, wherein: jacking board (19) top butt has No. two fixed plate (21) bottoms, no. two fixed plate (21) right side fixedly connected with No. three fixed plate (22) left sides.

4. The mounting and positioning structure of the precast rail overhead duct according to claim 3, wherein: no. two fixed plate (21) top left side fixedly connected with fixed plate (2) bottom, fixed plate (2) and No. three fixed plate (22) inside top fixedly connected with U-shaped reinforcing bar (23).

5. The mounting and positioning structure of the precast rail overhead duct according to claim 4, wherein: u-shaped reinforcing bar (23) are total ten and are linear array at a fixed plate (2) and No. two fixed plate (21) tops, U-shaped reinforcing bar (23) cover is established in a mouthful (31) inside, a mouthful (31) is seted up inside roof (3).

6. The mounting and positioning structure of the precast rail overhead duct according to claim 5, wherein: no. two mouthful (32) have been seted up at roof (3) top, no. two mouthful (32) and a mouthful (31) intercommunication, no. two mouthful (32) bottom butt has fixed bolt (33) bottom, fixed bolt (33) cover is established inside U-shaped reinforcing bar (23).

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