CN216691170U - Installation fixing device of rail top wind channel - Google Patents
Installation fixing device of rail top wind channel Download PDFInfo
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- CN216691170U CN216691170U CN202123441392.XU CN202123441392U CN216691170U CN 216691170 U CN216691170 U CN 216691170U CN 202123441392 U CN202123441392 U CN 202123441392U CN 216691170 U CN216691170 U CN 216691170U
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Abstract
The utility model provides a mounting and fixing device for a rail top air duct, which comprises: the clamping seat and the U-shaped buckle; the middle part of the clamping seat is provided with a groove; a plurality of protection parts are arranged on two sides of the groove; a clamping hole is arranged between the protection parts at the same side; the clamping holes are symmetrically arranged by taking the groove as a center; the U-shaped buckle penetrates through the clamping hole, the bending part is in a state of being opposite to the groove, and the U-shaped buckle penetrates through two tail ends of the clamping hole to form a locking part; a rope is passed between the bending part and the groove; the locking part locks the rope. This technical scheme adopts the good rail top wind channel of pouring in advance, through the hoist and mount installation, improves the installation accuracy, but incessant operation saves time, manpower, improves the operating efficiency.
Description
Technical Field
The utility model relates to the field of constructional engineering structures, in particular to a mounting and fixing device for a rail top air channel.
Background
With the development of shield technology, subway stations are mostly used as shield receiving and originating sites, shield equipment pushes the stations to the originating site after receiving is completed, a rail top air channel structure conflicts with the shield equipment, installation reinforcing steel bars are reserved for the rail top air channels in advance during middle plate hoisting, and the rail top air channel structure is constructed after the shield stations.
The prior art is that grouting manufacturing of a rail top air channel is carried out on a steel bar reserved in a middle plate, pumping concrete is used for cast-in-place of a rail top air channel structure, a PBA construction method is adopted for supporting until the concrete is solidified, and the method is time-consuming and labor-consuming. If a prefabricated specified air duct is adopted, the interior of the subway is molded at the moment, more than 3 tons of rail top air ducts are required to be installed on the middle plate, the lifting equipment is difficult to implement, even if the lifting equipment is adopted to install one rail top air duct, the grouting and fixing of the rail top air duct also require time, the lifting equipment cannot be placed in the interior of the subway for 24 hours, then the next rail top air duct is installed, and the plurality of rail top air ducts cannot be installed simultaneously.
At present, an installation and fixing device for a rail top air channel is urgently needed, and a prefabricated rail top air channel is adopted for rapid installation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides the mounting and fixing device for the rail top air duct, which adopts the rail top air duct which is poured in advance, improves the mounting accuracy through hoisting and mounting, can operate uninterruptedly, saves time and labor and improves the operating efficiency.
In a first aspect of the present invention, there is provided a rail-top duct mounting fixture, comprising: the clamping seat and the U-shaped buckle; wherein the content of the first and second substances,
the middle part of the clamping seat is provided with a groove; a plurality of protection parts are arranged on two sides of the groove; a clamping hole is arranged between the protection parts at the same side; the clamping holes are symmetrically arranged by taking the groove as a center;
the U-shaped buckle penetrates through the clamping hole, the bending part is in a state of being opposite to the groove, and the U-shaped buckle penetrates through two tail ends of the clamping hole to form a locking part;
a rope is passed between the bending part and the groove; the locking part locks the rope.
Furthermore, the locking part is formed in a way that two tail ends of the U-shaped buckle are provided with threads and are screwed and fixed by using bolts.
Furthermore, the arc length of the bending part is more than one third of the circumference of the same radius and less than one half of the circumference of the same radius.
Further, the groove is an arc-shaped groove arranged on the clamping seat.
Further, the protection part and the clamping seat are integrally formed; a plurality of protection parts are symmetrically arranged on two sides of the groove.
Furthermore, the fixing device is also provided with a U-shaped reinforcing plate; the reinforcing plate covers the hole through which the rope passes, and the clamping seat is arranged on the reinforcing plate and is clamped with the U-shaped buckle to clamp the rope passing through the reinforcing plate.
Further, the fixing means are used alone or in combination.
Further, the fixing means is applied to the locking of the rope when the rope is in a stretched state.
When the fixing device is used, the prefabricated rail top air channel is adopted, so that the field irrigation operation is avoided, the environment is clean, and the influence is small; the tonnage-level rail top air duct can be directly hoisted to the middle plate, so that the operation that large equipment enters a track is avoided; can be fixed on the middle plate, thereby avoiding the use of a support system; multiple devices can be operated continuously at the same time, time and labor are saved, and the operation efficiency is improved.
It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the present invention will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
FIG. 1 is a schematic structural view of a fixing device of the present embodiment;
fig. 2 is a perspective view of a cartridge of the fixing device of the present embodiment;
FIG. 3 is a schematic cross-sectional view of a clamping seat of the fixing device of the present embodiment;
FIG. 4 is a schematic view of the operation structure of the fixing device of the present embodiment;
wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
1 cassette, 2U type buckle, 3 locking parts, 4 recesses, 5 protection parts, 6 flexion, 7 ropes, 8 card holes, 9 fixing device, 10 through-holes, 11 lifting holes, 12 hole for hoist, 13 grout sleeve, 14 medium plates, 15 rail top wind channels.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The following describes a mounting and fixing device of a rail-top air duct provided by the utility model with reference to fig. 1 to 4, comprising: the clamping seat 1 and the U-shaped buckle 2; wherein the content of the first and second substances,
the middle part of the clamping seat 1 is provided with a groove 4; the groove 4 is provided with a plurality of protection parts 5 at two sides; a clamping hole 8 is arranged between the protection parts 5 at the same side; the clamping holes 8 are symmetrically arranged by taking the groove 4 as a center;
the U-shaped buckle 2 penetrates through the clamping hole 8, the bending part is in a state of being opposite to the groove 4, and the bending part penetrates through two tail ends of the clamping hole 8 to form a locking part 3;
a rope 7 is passed between the curved portion 6 and the groove 4; the locking portion 3 locks the rope 6.
In the above embodiment, the locking portion 3 is formed by screwing the U-shaped clip 2 at both ends thereof. The locking part adopts a bolt, is simple and easy to implement, and can also adopt other structures. Such as: the locking part also comprises a connecting structure penetrating through two ends of the U-shaped buckle, after the U-shaped buckle is locked by the bolt, the gasket is inserted between the connecting structure and the clamping seat by a hammer, and the locking force is increased by using instantaneous force.
In the above embodiment, the arc length of the curved portion 6 is greater than one third of the circumference of the same radius and less than one half of the circumference of the same radius. The requirement of bayonet socket top radian is guaranteed when the locking rope, and under the condition that the rope warp, the cassette forms oval rope hole with U type buckle, still can guarantee great area of contact, increases the locking dynamics. But also to ropes of different diameters, as long as the diameter of the rope is within the minor semi-axis value of the smallest ellipse.
In the above embodiment, the groove 4 is an arc-shaped groove provided on the cartridge 1. The clamping seat groove and the U-shaped buckle bending part can be set into a rigid rough area or a flexible anti-slip area, so that the stress area is increased, and the friction force is increased.
In the above embodiment, when a rigid rope is used, the grooves are provided with patterns matched with the surface lines of the rope 7, so that under the condition of high-weight stretching, friction force is increased in a locked state to keep the stability of the rope.
In the above embodiment, the protection portion 5 is integrally formed with the card holder 1; the plurality of protection parts 5 are symmetrically arranged at two sides of the clamping seat groove 4. The casting is for the unity of whole device, and not fragile. As shown in fig. 2, the device can be provided with a plurality of protection parts, so that a plurality of clamping holes are formed, a plurality of U-shaped buckles lock the rope at the same time, and the stability of the rope is improved.
In the above embodiment, the fixing device 9 further has a U-shaped reinforcing plate; the reinforcing plate covers the hole through which the rope 7 passes, and the clamping seat 1 is arranged on the reinforcing plate and is clamped with the U-shaped buckle 2 to clamp the rope 7 through the reinforcing plate. The length of the reinforcing plate is greater than the diameter of the rope. In operation, a reinforcing plate is placed between the fixing device and a specific position for increasing the force bearing area of the fixing device. The area of the reinforcing plate is larger than that of the side part of the fixing device protection plate, so that the fixing device is stabilized, and the stressed area is increased. The reinforcing plate can be designed into reinforcing plates with different thicknesses and areas according to actual construction conditions.
In the above embodiments, the fixing means 9 are used alone or in combination. In addition to the fixing device itself having a plurality of U-shaped buckles for operation, a plurality of fixing devices may be used in combination to fix the rope in different directions and to fix the rope in layers at specific positions.
In the above described embodiment the securing means 9 is applied for locking the rope 7 when the rope 7 is in a stretched state. The fixing device of the application is a special device for fixing a rope in a stretching state and keeping the stretching state.
In the above embodiment, the bottom of the locking portion 3 and the bottom of the card seat 1 are provided with a gasket. The gasket plays the increase area of contact, reduces pressure, plays the guard action.
The practical operation of the present invention will be described with reference to fig. 4, and when the top air duct needs to be installed on the middle plate of the subway in the subway track construction, the following steps are performed:
building a subway middle plate 14, and embedding a rail top air duct 15 installation reinforcing steel bar extending downwards at the installation position of a rail top air duct 15 of the middle plate 14;
prefabricating a rail top air duct 15, arranging hoisting holes 12 corresponding to the steel bars for mounting the rail top air duct 15 on the upper edge of the rail top air duct 15, and embedding grouting sleeves 13 into the hoisting holes 12;
preparing for hoisting the rail top air duct 15, lowering the lifting rope 7 by the winch, and enabling the lifting rope 7 to pass through the through hole 10 formed in the middle plate 14 and then pass through the lifting hole 11 formed in the bottom surface of the rail top air duct 15; the bottom surface of the lifting hole 11 is knotted and fixed with the lifting rope 7;
hoisting the rail top air duct 15, winding the lifting rope 7 by the winch to lift the rail top air duct 15, aligning and finely adjusting the canned sleeve 13 of the rail top air duct 15 and the reserved steel bars of the middle plate 14, inserting the steel bars for installation into the grouting sleeve 13, enabling the rail top air duct 15 to reach the specified installation position, and grouting the grouting sleeve 13.
The lifting rope 7 is locked and fixed on the upper side of the middle plate 14 through a fixing device 9;
after the locking lifting rope 7 is fixed on the upper side of the middle plate 14, the lifting rope 7 between the fixing device 9 and the winch is cut off, and the hoisting is finished; and after grouting solidification in the grouting sleeve 13 is finished, removing the fixing device 9 and the lifting rope 7, and grouting and plugging the through hole 10 and the lifting hole 11.
When the fixing device is used, the prefabricated rail top air channel is adopted, so that the field irrigation operation is avoided, the environment is clean, and the influence is small; the rail top air duct at the tonnage level can be directly hoisted to the middle plate, so that the operation that large equipment enters a track is avoided; can be fixed on the middle plate, thereby avoiding the use of a support system; multiple devices can be operated continuously at the same time, time and labor are saved, and the operation efficiency is improved.
In the description of the present invention, the terms "connect", "mount", "fix", and the like are used in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," or the like, 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 application. 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 above is merely a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a rail top wind channel's installation fixing device which characterized in that includes: the clamping seat (1) and the U-shaped buckle (2); wherein the content of the first and second substances,
the middle part of the clamping seat (1) is provided with a groove (4); a plurality of protection parts (5) are arranged on two sides of the groove (4); a clamping hole (8) is arranged between the protection parts (5) on the same side; the clamping holes (8) are symmetrically arranged by taking the groove (4) as a center;
the U-shaped buckle (2) penetrates through the clamping hole (8), the bending part (6) is opposite to the groove (4), and the bending part penetrates through two tail ends of the clamping hole (8) to form a locking part (3);
passing a rope (7) between the bend (6) and the groove (4); the locking part (3) locks the rope (7).
2. The fixing device according to claim 1, characterized in that the locking part (3) is formed in such a way that the U-shaped clasp (2) is provided with threads at both ends and is screwed in by means of a bolt.
3. A fixation device according to claim 1, wherein the curvature of the curved portion (6) is more than one third of the circumference of the same radius and less than one half of the circumference of the same radius.
4. A fixture according to claim 1, characterised in that the recess (4) is an arc-shaped recess provided on the cartridge (1).
5. A fixture according to claim 1, characterised in that the guard (5) is integrally formed with the cartridge (1); the plurality of protection parts (5) are symmetrically arranged on two sides of the groove (4).
6. The fixture of claim 1, further comprising a U-shaped reinforcement plate; the reinforcing plate covers a hole through which a rope (7) passes, and the clamping seat (1) is arranged on the reinforcing plate and is clamped with the U-shaped buckle (2) to pass through the rope (7) of the reinforcing plate.
7. A fixation device as claimed in claim 1, wherein the fixation devices are used individually or in combination.
8. A fixing device according to claim 1, characterized by being applied to the locking of the rope (7) when the rope (7) is in tension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123441392.XU CN216691170U (en) | 2021-12-31 | 2021-12-31 | Installation fixing device of rail top wind channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123441392.XU CN216691170U (en) | 2021-12-31 | 2021-12-31 | Installation fixing device of rail top wind channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216691170U true CN216691170U (en) | 2022-06-07 |
Family
ID=81816080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123441392.XU Active CN216691170U (en) | 2021-12-31 | 2021-12-31 | Installation fixing device of rail top wind channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216691170U (en) |
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2021
- 2021-12-31 CN CN202123441392.XU patent/CN216691170U/en active Active
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