CN219268391U - High-strength fireproof bridge - Google Patents

Abstract

The utility model relates to the technical field of fireproof bridges, and discloses a high-strength fireproof bridge, which comprises a bridge bottom shell, wherein a bridge cover plate is connected to the top of the bridge bottom shell in a sliding manner, a fixing shell is arranged in an inner cavity of the bridge bottom shell, side plates are fixed on the left side and the right side of the inner cavity of the fixing shell, and a threaded rod is arranged above each side plate; according to the utility model, the inner part of the bridge bottom shell can be supported through the fixing shell, so that the strength is increased, the fixing shell can be moved, the inner cavity of the bridge bottom shell can be supported anywhere, the strength of the bridge bottom shell in use is further improved, meanwhile, the cable can be supported under the action of the fixing shell and the clamping plate, the cable is not contacted with the inner wall of the bridge bottom shell, the condition that the temperature of the bridge bottom shell is too high and is conducted to the surface of the cable is avoided, and the problems of poor strength and poor fireproof performance of the existing bridge in the use process are solved.

Description

High-strength fireproof bridge

Technical Field

The utility model relates to the technical field of fireproof bridges, in particular to a high-strength fireproof bridge.

Background

The cable bridge is divided into a groove type cable bridge, a tray type cable bridge, a step type cable bridge, a grid bridge and other structures, and consists of a bracket, a bracket arm, an installation accessory and the like, can be independently erected, can be laid on various building (construction) and pipe gallery brackets, and has the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like.

The existing bridge frame not only can support cables, but also can block fire under the action of self surface fireproof paint, so that the cables inside the bridge frame are prevented from being burnt out, but in the using process, the gravity of the bridge frame is lighter, so that the strength of the bridge frame is reduced in the using process, the bridge frame can reduce the fixing effect on the cables when the bridge frame is used for carrying more cables, the bridge frame is easy to damage, meanwhile, when a fire disaster happens, the bridge frame cannot be spontaneously ignited under the action of the material of the bridge frame, the high temperature of the fire is conducted onto the bridge frame, the protective layer of the cable is basically made of PVC material, the protective layer on the surface of the cable is melted, the cable is damaged, the normal use of the cable is affected, and under the higher temperature, the protective layer on the surface of the cable is ignited under the action of the material of the self, so that the damage to the cable is caused, and the fire situation is increased.

Disclosure of Invention

The utility model aims to provide a high-strength fireproof bridge frame so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high strength fire prevention crane span structure, includes the crane span structure drain pan, the top sliding connection of crane span structure drain pan has the crane span structure apron, the inner chamber of crane span structure drain pan is provided with the fixed shell, the left and right sides of fixed shell inner chamber all is fixed with the curb plate, the top of curb plate is provided with the threaded rod, the other end of threaded rod runs through to the inside of fixed shell, the surface of threaded rod is connected with the inside rotation of curb plate penetration site, the surface threaded connection of threaded rod has the sleeve, telescopic one side is fixed with splint, the spacing groove has all been seted up to the left and right sides of fixed shell, the inner chamber of spacing groove is fixed with compression spring, compression spring's the other end is fixed with the gag lever post, the surface and the inner wall sliding connection of spacing groove of gag lever post, the recess has all been seted up to the left and right sides of crane span structure drain pan inner chamber, gag lever post and recess cooperation are used.

Preferably, the bottom of the inner cavity of the fixed shell and the bottom of the clamping plate are provided with mounting grooves, and the number of the mounting grooves is a plurality of.

Preferably, exhaust grooves are formed in the left side and the right side of the inner cavity of the bridge bottom shell, and the exhaust grooves in the left side and the right side of the bridge bottom shell correspond to each other.

Preferably, a sliding groove is formed in the bottom of the inner cavity of the bridge bottom shell, a sliding block is fixed to the bottom of the fixing shell, and the sliding groove is matched with the sliding block for use.

Preferably, one end of the threaded rod is fixed with a bearing seat, and the other end of the bearing seat is fixedly connected with the inside of the fixed shell.

Preferably, a disc is fixed at the other end of the threaded rod, and the diameter of the disc is larger than that of the threaded rod.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the inner part of the bridge bottom shell can be supported through the fixing shell, so that the strength is increased, the fixing shell can be moved, the inner cavity of the bridge bottom shell can be supported anywhere, the strength of the bridge bottom shell in use is further improved, meanwhile, the cable can be supported under the action of the fixing shell and the clamping plate, the cable is not contacted with the inner wall of the bridge bottom shell, the condition that the temperature of the bridge bottom shell is too high and is conducted to the surface of the cable is avoided, and the problems of poor strength and poor fireproof performance of the existing bridge in the use process are solved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partial perspective structure in the present utility model;

FIG. 3 is a schematic view of a partial perspective structure in the present utility model;

fig. 4 is a schematic view of a partial perspective cross-sectional structure in the present utility model.

In the figure: 1. a bridge bottom shell; 2. a bridge cover plate; 3. a fixed case; 4. a side plate; 5. a threaded rod; 6. a sleeve; 7. a clamping plate; 8. a limit groove; 9. a compression spring; 10. a limit rod; 11. a groove; 12. a mounting groove; 13. an exhaust groove; 14. a chute; 15. a slide block; 16. a bearing seat; 17. a disk.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a high-strength fireproof bridge comprises a bridge bottom shell 1, a bridge cover plate 2 is slidably connected to the top of the bridge bottom shell 1, a fixing shell 3 is arranged in an inner cavity of the bridge bottom shell 1, side plates 4 are fixed on the left side and the right side of the inner cavity of the fixing shell 3, a threaded rod 5 is arranged above the side plates 4, the other end of the threaded rod 5 penetrates into the fixing shell 3, the surface of the threaded rod 5 is rotationally connected with the inner part of the penetrating part of the side plates 4, a sleeve 6 is in threaded connection with the surface of the threaded rod 5, a clamping plate 7 is fixed on one side of the sleeve 6, limit grooves 8 are formed on the left side and the right side of the fixing shell 3, a compression spring 9 is fixed in the inner cavity of the limit grooves 8, a limit rod 10 is fixed on the other end of the compression spring 9, the surface of the limit rod 10 is slidably connected with the inner wall of the limit grooves 8, the left and right sides of the inner cavity of the bridge bottom shell 1 are provided with grooves 11, the limiting rods 10 are matched with the grooves 11, the bridge can support the inside of the bridge bottom shell 1 through the fixing shell 3, so that the strength of the bridge is increased, the fixing shell 3 can be moved, the bridge can be supported anywhere in the inner cavity of the bridge bottom shell 1 at will, the strength of the bridge bottom shell 1 in use is further improved, meanwhile, cables can be supported under the action of the fixing shell 3 and the clamping plates 7, the cables are not contacted with the inner wall of the bridge bottom shell 1, the phenomenon that the temperature of the bridge bottom shell 1 is too high to be conducted to the surface of the cables is avoided, and the problems that the strength of a current bridge is poor and the fireproof performance is poor in the use process are solved.

The mounting groove 12 has all been seted up to the bottom of the inner chamber of fixed shell 3 and the bottom of splint 7, and the quantity of mounting groove 12 is a plurality of, in this embodiment, through the setting of mounting groove 12, can carry out the centre gripping to the cable fixedly, makes the cable can fix, also makes and can separate between the cable moreover, avoids the heat mutual conductance between the cable.

The exhaust grooves 13 are formed in the left side and the right side of the inner cavity of the bridge tray 1, the exhaust grooves 13 in the left side and the right side of the bridge tray 1 correspond to each other, in this embodiment, through the arrangement of the exhaust grooves 13, the inside of the bridge tray 1 can be exhausted, so that air in the bridge tray 1 can circulate, and heat dissipation is performed in the inside of the bridge tray 1.

The spout 14 has been seted up to the bottom of crane span structure drain pan 1 inner chamber, and the bottom of fixed shell 3 is fixed with slider 15, and spout 14 and slider 15 cooperation use, in this embodiment, through the setting of spout 14 and slider 15, can be when removing fixed shell 3, to it direction, makes its position deviation that can not appear by a wide margin when removing, and then has increased the stability of fixed shell 3 when removing.

The bearing frame 16 is fixed to one end of threaded rod 5, and the other end of bearing frame 16 and the inside fixed connection of fixed casing 3, in this embodiment, through the setting of bearing frame 16, can fix the position of bearing frame 16, make it can be more stable when rotating, can not appear violently shake.

The other end of the threaded rod 5 is fixed with a disc 17, and the diameter of the disc 17 is larger than that of the threaded rod 5. In this embodiment, by means of the arrangement of the disc 17, an effective force application point can be provided for a worker under the action of the worker, so that the worker can easily rotate the threaded rod 5.

Working principle: firstly, when the position of the fixed shell 3 needs to be adjusted, the fixed shell 3 is pushed to drive internal parts to move, the fixed shell 3 slides in the bridge bottom shell 1 under the action of the sliding groove 14 and the sliding block 15, after the fixed shell slides to a proper position, the limiting rod 10 is pushed to move under the action of the compression spring 9, the limiting rod 10 is embedded into the groove 11 to limit the fixed shell 3, different places of the bridge bottom shell 1 are supported, the strength of the bridge bottom shell 1 in use is improved, after the position of the fixed shell 3 is adjusted in sequence, a cable passes through the lower part of the clamping plate 7, then the cable is placed into the installation groove 12, the threaded rod 5 is rotated through the disc 17, then the sleeve 5 is driven to move under the action of surface threads, and meanwhile the sleeve 6 drives the clamping plate 7 to move, so that the cable can be clamped and fixed, the cable is prevented from contacting the inner wall of the bridge bottom shell 1, and then the bridge cover plate 2 is installed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a high strength fire prevention crane span structure, includes crane span structure drain pan (1), its characterized in that: the utility model discloses a bridge drain pan, including bridge drain pan (1), inner chamber, limiting groove (8) are all offered on the left and right sides of inner chamber of fixed shell (3), the top of curb plate (4) is provided with threaded rod (5), the other end of threaded rod (5) runs through to the inside of fixed shell (3), the surface of threaded rod (5) is connected with the inside rotation of curb plate (4) department of running through, the surface threaded connection of threaded rod (5) has sleeve (6), one side of sleeve (6) is fixed with splint (7), limiting groove (9) are all offered on the left and right sides of fixed shell (3), the other end of compression spring (9) is fixed with gag lever post (10), the surface of gag lever post (10) and the inner wall sliding connection of limiting groove (8), recess (11) are all offered on the left and right sides of bridge drain pan (1) inner chamber, gag lever post (10) and gag lever post (11) cooperation use.

2. The high strength fire bridge of claim 1, wherein: the bottom of the inner cavity of the fixed shell (3) and the bottom of the clamping plate (7) are provided with mounting grooves (12), and the number of the mounting grooves (12) is a plurality.

3. The high strength fire bridge of claim 1, wherein: exhaust grooves (13) are formed in the left side and the right side of the inner cavity of the bridge bottom shell (1), and the exhaust grooves (13) in the left side and the right side of the bridge bottom shell (1) correspond to each other.

4. The high strength fire bridge of claim 1, wherein: a sliding groove (14) is formed in the bottom of the inner cavity of the bridge bottom shell (1), a sliding block (15) is fixed at the bottom of the fixed shell (3), and the sliding groove (14) is matched with the sliding block (15).

5. The high strength fire bridge of claim 1, wherein: one end of the threaded rod (5) is fixed with a bearing seat (16), and the other end of the bearing seat (16) is fixedly connected with the inside of the fixed shell (3).

6. The high strength fire bridge of claim 1, wherein: the other end of the threaded rod (5) is fixed with a disc (17), and the diameter of the disc (17) is larger than that of the threaded rod (5).

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