CN110649527A - Bridge with fireproof function - Google Patents
Bridge with fireproof function Download PDFInfo
- Publication number
- CN110649527A CN110649527A CN201810665708.7A CN201810665708A CN110649527A CN 110649527 A CN110649527 A CN 110649527A CN 201810665708 A CN201810665708 A CN 201810665708A CN 110649527 A CN110649527 A CN 110649527A
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- Prior art keywords
- groove
- movable
- sliding
- spring
- frame
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a bridge frame with a fireproof function, which comprises a movable frame and a fixed frame, wherein a groove is formed in the movable frame, an upper cover is arranged in the groove, semicircular grooves are respectively formed in the bottom of the upper cover and the inner wall of the bottom of the groove, the same cable sleeve is arranged in the two semicircular grooves, a cable is arranged in the cable sleeve, a damping groove is formed in the top of the fixed frame, the bottom of the movable frame extends into the damping groove and is fixedly connected with a damping plate, limiting sliding blocks are arranged on two sides of the damping plate, limiting sliding grooves are formed in the inner walls of the two sides of the damping groove, the limiting sliding blocks are slidably mounted in the limiting sliding grooves, and a first spring is arranged in the limiting sliding grooves. The shock-absorbing bridge has the advantages of simple structure, economy and practicability, good shock-absorbing effect and strong shock-absorbing performance, and can prevent a cable sleeve on the bridge and a cable in the cable sleeve from being damaged due to shock.
Description
Technical Field
The invention relates to the field of cable bridges, in particular to a bridge with a fireproof function.
Background
The fireproof bridge frame is mainly composed of a fireproof plate compounded by glass fiber reinforced materials and inorganic adhesives, a metal framework and other fireproof base materials. The fireproof coating is added on the outer layer, the fireproof bridge frame cannot burn after encountering fire, so that the fire spread is prevented, the fireproof bridge frame has extremely good fireproof and fire-retardant effects and long service life, and the bridge frame is suitable for laying power cables below 10KV, control cables, lighting wiring and other outdoor overhead cable ditches and tunnels.
Although the existing fireproof bridge frame has a strong fireproof function, in the prior art, after the bridge frame is installed, the anti-seismic performance of the bridge frame is poor, and when the bridge frame encounters large vibration, a cable installed on the bridge frame is easily damaged.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a bridge with a fireproof function.
In order to achieve the purpose, the invention adopts the following technical scheme:
a bridge frame with a fireproof function comprises a movable frame and a fixed frame, wherein a groove is formed in the movable frame, an upper cover is arranged in the groove, semicircular grooves are formed in the bottom of the upper cover and the inner wall of the bottom of the groove respectively, the same cable sleeve is arranged in the two semicircular grooves, a cable is arranged in the cable sleeve, a damping groove is formed in the top of the fixed frame, the bottom of the movable frame extends into the damping groove and is fixedly connected with a damping plate, limiting sliding blocks are arranged on two sides of the damping plate, limiting sliding grooves are formed in the inner walls of the two sides of the damping groove respectively, the limiting sliding blocks are slidably installed in the limiting sliding grooves, a first spring is arranged in each limiting sliding groove, the top end of the first spring is fixedly connected with the bottom of each limiting sliding block, the bottom end of the first spring is fixedly connected with the inner wall of the bottom of each limiting sliding groove, and two bracing pieces are alternately rotated and connected, be equipped with first sliding tray on the bottom inner wall of shock attenuation groove, slidable mounting has two first sliding blocks in the first sliding tray, and the bottom of two bracing pieces rotates with the top of two first sliding blocks respectively and is connected, one side that two first sliding blocks kept away from each other is the one end of fixedly connected with second spring respectively, the one end that two second springs kept away from each other respectively with the both sides wall fixed connection of first sliding tray, one side that two first sliding blocks are close to each other is first movable post of fixedly connected with and second movable post respectively, and the one end slidable mounting that the second movable post is close to first movable post is in first movable post.
Preferably, be equipped with movable chamber on the first movable post, and the one end of second activity post extends to activity intracavity and fixedly connected with stopper, the activity intracavity is equipped with the third spring, and one side fixed connection of second activity post is kept away from to the one end of third spring and stopper, one side inner wall fixed connection of second activity post is kept away from to the other end of third spring and activity chamber.
Preferably, all be equipped with the second sliding tray on the both sides inner wall in activity chamber, the both sides of stopper all are equipped with the second sliding block, and second sliding block and second sliding tray sliding connection.
Preferably, a sliding hole is formed in the inner wall of one side of the movable cavity, and the second movable column penetrates through the sliding hole in a sliding mode.
Preferably, the movable frame and the upper cover are both provided with bolt holes, bolts are installed in the bolt holes in an internal thread mode, and the upper cover is fixedly installed on the movable frame through the bolts.
Preferably, the rotating connection parts of the two support rods are provided with rotating holes, the two rotating holes are connected with the same pin shaft in a rotating mode, and the two support rods are connected in a rotating mode through the pin shaft in a crossed mode.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, when the bridge frame encounters large vibration, the movable frame drives the damping plate to move downwards, the damping plate drives the limiting slide block to slide downwards in the limiting slide groove, meanwhile, the limiting slide block downwards extrudes the first spring, and the first spring is buffered by extrusion deformation, so that the first spring can counteract part of vibration force; meanwhile, the damping plate also downwards extrudes the two supporting rods, the two first sliding blocks are respectively driven to be away from each other and extrude the second spring in the process that the two supporting rods are pressed downwards, the second spring is extruded to deform and buffered, and meanwhile, the third spring is in a stretching deformation state, so that the vibration force applied to the bridge can be further counteracted through the second spring and the third spring.
Drawings
Fig. 1 is a schematic structural diagram of a bridge with a fireproof function according to the present invention;
fig. 2 is a schematic perspective view of a movable frame in a bridge frame with a fireproof function according to the present invention;
fig. 3 is a schematic view of a connection structure of a first movable column and a second movable column in a bridge with a fireproof function according to the present invention.
In the figure: the damping device comprises a movable frame 1, a fixed frame 2, a damping plate 3, a limiting sliding block 4, a limiting sliding groove 5, a first spring 6, a supporting rod 7, a first sliding block 8, a first sliding groove 9, a second spring 10, a first movable column 11, a second movable column 12, an upper cover 13, a cable sleeve 14, a semicircular groove 15, a groove 16, a movable cavity 17, a limiting block 18, a third spring 19, a sliding hole 20 and a damping groove 21.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a bridge with fire-proof function comprises a movable frame 1 and a fixed frame 2, wherein a groove 16 is arranged on the movable frame 1, an upper cover 13 is arranged in the groove 16, semicircular grooves 15 are respectively arranged on the bottom of the upper cover 13 and the inner wall of the bottom of the groove 16, the same cable sleeve 14 is arranged in the two semicircular grooves 15, a cable is arranged in the cable sleeve 14, a damping groove 21 is arranged on the top of the fixed frame 2, the bottom of the movable frame 1 extends into the damping groove 21 and is fixedly connected with a damping plate 3, limiting sliders 4 are respectively arranged on two sides of the damping plate 3, limiting chutes 5 are respectively arranged on the inner walls of two sides of the damping groove 21, the limiting sliders 4 are slidably mounted in the limiting chutes 5, first springs 6 are arranged in the limiting chutes 5, the top ends of the first springs 6 are fixedly connected with the bottoms of the limiting sliders 4, the bottom ends of the first springs 6 are, the two sides of the bottom of the damping plate 3 are rotatably connected with the supporting rods 7, the two supporting rods 7 are in cross rotating connection, the inner wall of the bottom of the damping groove 21 is provided with a first sliding groove 9, two first sliding blocks 8 are slidably mounted in the first sliding groove 9, the bottom ends of the two supporting rods 7 are respectively rotatably connected with the tops of the two first sliding blocks 8, the sides of the two first sliding blocks 8 far away from each other are respectively and fixedly connected with one end of a second spring 10, the ends of the two second springs 10 far away from each other are respectively and fixedly connected with two side walls of the first sliding groove 9, the sides of the two first sliding blocks 8 near to each other are respectively and fixedly connected with a first movable column 11 and a second movable column 12, and one end of the second movable column 12 near to the first movable column 11 is slidably mounted in the first movable column 11, the bridge has simple structure, is economical and practical, and can enable the, the anti-seismic performance is strong, and the cable sleeve 14 on the bridge and the cable in the cable sleeve 14 can be prevented from being damaged due to vibration.
A movable cavity 17 is arranged on the first movable column 11, one end of the second movable column 12 extends into the movable cavity 17 and is fixedly connected with a limiting block 18, a third spring 19 is arranged in the movable cavity 17, one end of the third spring 19 is fixedly connected with one side of the limiting block 18 far away from the second movable column 12, the other end of the third spring 19 is fixedly connected with the inner wall of one side of the movable cavity 17 far away from the second movable column 12, second sliding grooves are respectively arranged on the inner walls of the two sides of the movable cavity 17, second sliding blocks are respectively arranged on the two sides of the limiting block 18 and are slidably connected with the second sliding grooves, a sliding hole 20 is arranged on the inner wall of one side of the movable cavity 17, the second movable column 12 slidably penetrates through the sliding hole 20, bolt holes are respectively arranged on the movable frame 1 and the upper cover 13, bolts are arranged in internal threads, the upper cover 13 is fixedly arranged on the movable frame 1 through the bolts, rotating joints of the two support rods 7 are respectively, the two rotating holes are connected with the same pin shaft in a rotating mode, and the two supporting rods 7 are connected through the pin shafts in a rotating mode in a crossed mode.
In the invention, when the bridge frame encounters large vibration, the movable frame 1 and the cable sleeve 14 and the cable on the movable frame 1 move downwards under the vibration, the movable frame 1 drives the damping plate 3 to move downwards, the damping plate 3 drives the limiting slide block 4 to slide downwards in the limiting slide groove 5, meanwhile, the limiting slide block 4 downwards extrudes the first spring 6, the first spring 6 is extruded and deformed to buffer, so that the first spring 6 can counteract a part of vibration force, meanwhile, the damping plate 3 also extrudes the two support rods 7 downwards, the two support rods 7 rotate in a crossed manner, the two support rods 7 drive the two first slide blocks 8 to be away from each other and extrude the second spring 10 in the process of pressing downwards, the second spring 10 is extruded and deformed to buffer, meanwhile, the two first slide blocks 8 respectively drive the first movable column 11 and the second movable column 12 to be away from each other, the second movable column 12 pulls the third spring 19 through the limiting block 18, the third spring 19 is in a stretching deformation buffer state, so that the second spring 10 and the third spring 19 can further offset the vibration force applied to the bridge, and finally the bridge has a good damping effect, and the anti-vibration performance is strong, so that the cable sleeve 14 on the bridge and the cable in the cable sleeve 14 can be prevented from being damaged due to vibration.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A bridge frame with a fireproof function comprises a movable frame (1) and a fixed frame (2), and is characterized in that grooves (16) are formed in the movable frame (1), an upper cover (13) is arranged in each groove (16), semicircular grooves (15) are formed in the bottom of each upper cover (13) and the inner wall of the bottom of each groove (16) respectively, the same cable sleeve (14) is arranged in each semicircular groove (15), a cable conductor is arranged in each cable sleeve (14), a damping groove (21) is formed in the top of the fixed frame (2), the bottom of the movable frame (1) extends into the damping groove (21) and is fixedly connected with a damping plate (3), limiting sliding blocks (4) are arranged on two sides of each damping plate (3), limiting sliding grooves (5) are formed in the inner walls of two sides of each damping groove (21), and the limiting sliding blocks (4) are slidably mounted in the limiting sliding grooves (5), the damping device is characterized in that a first spring (6) is arranged in the limiting sliding groove (5), the top end of the first spring (6) is fixedly connected with the bottom of the limiting sliding block (4), the bottom end of the first spring (6) is fixedly connected with the inner wall of the bottom of the limiting sliding groove (5), two sides of the bottom of the damping plate (3) are rotatably connected with supporting rods (7), the two supporting rods (7) are rotatably connected in a crossed manner, a first sliding groove (9) is formed in the inner wall of the bottom of the damping groove (21), two first sliding blocks (8) are slidably mounted in the first sliding groove (9), the bottoms of the two supporting rods (7) are respectively rotatably connected with the tops of the two first sliding blocks (8), one side, away from each other, of the two first sliding blocks (8) is respectively and fixedly connected with one end of a second spring (10), one end, away from each other, of the two second springs (10) is respectively and fixedly connected with two side walls, one side that two first sliding blocks (8) are close to each other is first activity post (11) and second activity post (12) of fixedly connected with respectively, and the one end slidable mounting that second activity post (12) are close to first activity post (11) is in first activity post (11).
2. The bridge frame with the fireproof function according to claim 1, wherein a movable cavity (17) is formed in the first movable column (11), one end of the second movable column (12) extends into the movable cavity (17) and is fixedly connected with a limiting block (18), a third spring (19) is arranged in the movable cavity (17), one end of the third spring (19) is fixedly connected with one side, far away from the second movable column (12), of the limiting block (18), and the other end of the third spring (19) is fixedly connected with the inner wall of one side, far away from the second movable column (12), of the movable cavity (17).
3. The bridge frame with fire-proof function of claim 2, wherein the inner walls of the two sides of the movable cavity (17) are provided with second sliding grooves, the two sides of the limiting block (18) are provided with second sliding blocks, and the second sliding blocks are connected with the second sliding grooves in a sliding manner.
4. Bridge with fire protection function as claimed in claim 2, wherein said movable cavity (17) has a sliding hole (20) on one side of its inner wall, and the second movable post (12) slides through the sliding hole (20).
5. The bridge frame with the fireproof function according to claim 1, wherein the movable frame (1) and the upper cover (13) are provided with bolt holes, bolts are mounted in the bolt holes through threads, and the upper cover (13) is fixedly mounted on the movable frame (1) through the bolts.
6. A bridge frame with fire-proof function as claimed in claim 1, wherein the rotation joints of the two support rods (7) are provided with rotation holes, the same pin is rotatably connected in the two rotation holes, and the two support rods (7) are rotatably connected in a crossed manner by the pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810665708.7A CN110649527A (en) | 2018-06-26 | 2018-06-26 | Bridge with fireproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810665708.7A CN110649527A (en) | 2018-06-26 | 2018-06-26 | Bridge with fireproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110649527A true CN110649527A (en) | 2020-01-03 |
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ID=68988438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810665708.7A Pending CN110649527A (en) | 2018-06-26 | 2018-06-26 | Bridge with fireproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110649527A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383003A (en) * | 2020-10-27 | 2021-02-19 | 张双妮 | Big data technology modularization network wiring equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170149224A1 (en) * | 2014-03-25 | 2017-05-25 | Panduit Corp. | Cradle Clamp Bracket Assembly |
| CN107611874A (en) * | 2017-11-13 | 2018-01-19 | 河南宏骏通信工程有限公司 | A kind of communication engineering cable testing bridge of good damping effect |
| CN206922359U (en) * | 2017-07-26 | 2018-01-23 | 天津市树力电气科技有限公司 | A kind of cable testing bridge bindiny mechanism |
| CN207112277U (en) * | 2017-07-16 | 2018-03-16 | 济宁新创化工科技有限公司 | A kind of construction Machines support meanss |
| CN107830107A (en) * | 2017-11-13 | 2018-03-23 | 许昌恒科实业发展有限公司 | A kind of antidetonation crane span structure |
| CN207518210U (en) * | 2017-10-13 | 2018-06-19 | 常州创胜特尔数控机床设备有限公司 | A kind of drag chain for cable protective |
-
2018
- 2018-06-26 CN CN201810665708.7A patent/CN110649527A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170149224A1 (en) * | 2014-03-25 | 2017-05-25 | Panduit Corp. | Cradle Clamp Bracket Assembly |
| CN207112277U (en) * | 2017-07-16 | 2018-03-16 | 济宁新创化工科技有限公司 | A kind of construction Machines support meanss |
| CN206922359U (en) * | 2017-07-26 | 2018-01-23 | 天津市树力电气科技有限公司 | A kind of cable testing bridge bindiny mechanism |
| CN207518210U (en) * | 2017-10-13 | 2018-06-19 | 常州创胜特尔数控机床设备有限公司 | A kind of drag chain for cable protective |
| CN107611874A (en) * | 2017-11-13 | 2018-01-19 | 河南宏骏通信工程有限公司 | A kind of communication engineering cable testing bridge of good damping effect |
| CN107830107A (en) * | 2017-11-13 | 2018-03-23 | 许昌恒科实业发展有限公司 | A kind of antidetonation crane span structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383003A (en) * | 2020-10-27 | 2021-02-19 | 张双妮 | Big data technology modularization network wiring equipment |
| CN112383003B (en) * | 2020-10-27 | 2022-01-04 | 上海旺链信息科技有限公司 | Big data technology modularization network wiring equipment |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200103 |
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| RJ01 | Rejection of invention patent application after publication |