CN216121603U - Fireproof cable support of railway cable trench - Google Patents
Fireproof cable support of railway cable trench Download PDFInfo
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- CN216121603U CN216121603U CN202122551658.XU CN202122551658U CN216121603U CN 216121603 U CN216121603 U CN 216121603U CN 202122551658 U CN202122551658 U CN 202122551658U CN 216121603 U CN216121603 U CN 216121603U
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Abstract
The utility model discloses a fireproof cable support of a railway cable trench, which comprises a fixed base, a lifting support, two-section type reverse lead screws and movable sliding blocks, wherein both ends of the fixed base are fixedly connected with fixed frames, when the height position of a fireproof cable is adjusted through the arranged lifting support, the two-section type reverse lead screws at the upper ends of the fixed base can be rotated by screwing and screwing nuts at the outer ends of the fixed frames by using a hexagonal wrench with corresponding size, because the surfaces of both ends of the two-section type reverse lead screws are provided with threads in opposite directions, when the two-section type reverse lead screws are rotated, rotating acting forces in opposite directions can be generated between the movable sliding blocks at both ends of the two-section type reverse lead screws, under the rotating acting forces, two groups of movable sliding blocks can be drawn close to the inner ends, and further a movable rotating rod can be pulled, and after the movable rotating rod is subjected to the acting force of the movable sliding blocks, the lifting support can be driven to extend to the outer ends, in this way, the height position of the lifting support can be adjusted.
Description
Technical Field
The utility model relates to the technical field of cable supports, in particular to a fireproof cable support for a railway cable trench.
Background
The cable is usually a conductive circuit formed by twisting a plurality of or a plurality of groups of conducting wires, the cable which is usually used for power supply and communication is generally erected through a trench and a tunnel, a cable bracket is needed when the cable is erected, the cable bracket is used for wiring and positioning the cable, the cable is arranged neatly, and the cable is erected to be beneficial to heat dissipation of the cable. The cable supports at present are very various in types, some are made of high-strength composite plastics, and some are made of metal materials. The cable is laid in the cable trench and the tunnel, and is generally fixed by using a bracket. Common supports include angle iron supports and fabricated supports.
The fire-proof cable support in the prior art generally adopts angle iron bracket to erect, but these angle iron brackets can't realize the altitude mixture control to the fire-proof cable, and at railway cable ditch cable laying process, because there is the condition of ditch face unevenness in the railway cable ditch, if use angle iron bracket to erect fire-proof cable under this condition, the easy not hard up separation of fire-proof cable and angle iron bracket junction on the one hand, on the other hand influences the pleasing to the eye effect that fire-proof cable erected.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects and provide a fireproof cable support for a railway cable trench, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a fireproof cable support of a railway cable trench comprises a fixed base, a lifting support, two-section type reverse lead screws and movable sliding blocks, wherein fixed frames are fixedly connected to two ends of the fixed base, the two-section type reverse lead screws are arranged at the upper end of the fixed base, two ends of each two-section type reverse lead screw are respectively and rotatably connected to the side edges of the two fixed frames, one outer surface of the fixed frame is rotatably connected with a screwing nut, the inner ends of the screwing nuts are mutually connected with the two-section type reverse lead screws, the movable sliding blocks are respectively arranged on two sides of the outer surface of the two-section type reverse lead screws, a threaded hole is formed in the middle of each movable sliding block, each movable sliding block is in threaded connection with the outer surface of the two-section type reverse lead screws through the threaded hole, first limiting plates are fixedly connected to two sides of the upper surface of each movable sliding block, a movable rotating rod is rotatably connected between the two first limiting plates through a first connecting shaft, the upper end of the movable rotating rod is rotatably connected to the lower surface of the second limiting plate through a second connecting shaft, and the second limiting plate is fixedly connected to the lower surface of the connecting slide block.
On the basis of the technical scheme, the utility model can also have the following further preferred or specific options.
Preferably, the upper end of the connecting slide block is slidably connected inside a sliding groove, and the sliding groove is formed in the lower surface of the lifting support.
The beneficial effect who adopts above-mentioned further scheme does, and at the activity dwang extension in-process, the link block that activity dwang upper end links to each other can slide in the sliding tray of lifting support lower surface, realizes the extension process of activity dwang with this mode.
Preferably, the lower surface of the movable sliding block is provided with a connecting groove, and the movable sliding block is connected to the upper surface of the fixed base in a sliding mode through the connecting groove.
Adopt above-mentioned further scheme's beneficial effect to be, when the activity slider removed at two segmentation reverse lead screw surfaces, the activity slider can slide at fixed base upper surface through the spread groove, prevents in this way that the activity slider from rotating.
Preferably, the two end surfaces of the two-segment type reverse screw rod are provided with threads in opposite directions, and a connecting ring is arranged in the middle of the two-segment type reverse screw rod.
The beneficial effect who adopts above-mentioned further scheme is that, when two segmentation reverse lead screw rotated, can produce the rotatory effort of opposite direction between the movable sliding block at two segmentation reverse lead screw both ends, and under this rotatory effort, two sets of movable sliding blocks can be drawn close to the inner end.
Preferably, the outer surface of the fixing frame is fixedly connected with a connecting plate, and two connecting holes are formed in the connecting plate.
Adopt above-mentioned further scheme's beneficial effect to be, through the screw that twists between connecting plate and mounted position, can fix the support in the assigned position.
Preferably, a plurality of cable fixing clamping blocks are fixedly connected to the upper surface of the lifting support, fixing arc grooves are formed in the upper surfaces of the cable fixing clamping blocks, and fireproof cables are embedded into the cable fixing clamping blocks through the fixing arc grooves.
Adopt above-mentioned further scheme's beneficial effect to do, through placing fireproof cable in the cable fixing clip piece of lifting support upper surface, can play the supporting effect to fireproof cable
Preferably, a plurality of anti-slip strips are arranged inside the fixed arc groove.
Adopt above-mentioned further scheme's beneficial effect to do, can increase the frictional force between cable fixed fixture block and the fireproof cable, prevent the condition that the sliding separation appears in fireproof cable with this mode.
Furthermore, the screwing nut is a hexagonal nut or a nut with a bayonet matched with the screwdriver.
Adopt the beneficial effect of above-mentioned further scheme to do, conveniently realize the twisting of nut through spanner or screwdriver.
Compared with the prior art, the utility model provides the fireproof cable support for the railway cable trench, which has the following beneficial effects:
1. through the arranged lifting support, when the height position of the fireproof cable is adjusted, the two-section type reverse lead screw at the upper end of the fixed base can be rotated by screwing the screwing nut at the outer end of the fixed frame by using a hexagonal wrench with a corresponding size, and the surfaces of the two ends of the two-section type reverse lead screw are provided with threads in opposite directions;
2. through the connecting sliding block and the sliding groove, the connecting sliding block connected with the upper end of the movable rotating rod can slide in the sliding groove on the lower surface of the lifting support in the extending process of the movable rotating rod, so that the extending process of the movable rotating rod is realized, and through the connecting groove, when the movable sliding block moves on the surface of the two-section type reverse lead screw, the movable sliding block can slide on the upper surface of the fixed base through the connecting groove, so that the movable sliding block is prevented from rotating;
3. through the fixed fixture block of cable that sets up, after the adjustment of lifting support height, through placing fireproof cable in the cable fixing fixture block of lifting support upper surface, can play the supporting effect to fireproof cable to the inside antislip strip that is provided with of fixed fixture block of cable can increase the frictional force between fixed fixture block of cable and the fireproof cable, prevents in this way that fireproof cable from appearing the condition that slides and break away from.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:
FIG. 1 is a schematic view of a fire-resistant cable support for a railway cable trench in accordance with the present invention;
FIG. 2 is a schematic structural view of a movable slider in the fireproof cable support of the railway cable trench according to the present invention;
FIG. 3 is a schematic view of the construction of the lifting bracket of the fireproof cable bracket of the railway cable trench according to the present invention;
fig. 4 is a bottom view of a lifting bracket in the fire-resistant cable bracket of the railway cable trench of the present invention.
In the figure: 1. a fixed base; 2. a fixed mount; 3. a lifting support; 4. a connecting plate; 5. a two-section reverse lead screw; 6. a connecting ring; 7. a movable slide block; 8. a first limit plate; 9. a first connecting shaft; 10. a movable rotating rod; 11. a second limiting plate; 12. connecting the sliding block; 13. a sliding groove; 14. screwing the nut; 15. a cable fixing clamping block; 16. fixing the arc groove; 17. anti-slip strips; 18. a fire-resistant cable; 19. a threaded hole; 20. connecting holes; 21. connecting grooves; 22. and a second connecting shaft.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution of a fire-proof cable support for a railway cable trench: a fireproof cable support of a railway cable trench comprises a fixed base 1, a lifting support 3, two-section type reverse lead screws 5 and movable sliding blocks 7, wherein both ends of the fixed base 1 are fixedly connected with fixed frames 2, the upper end of the fixed base 1 is provided with the two-section type reverse lead screws 5, both ends of the two-section type reverse lead screws 5 are respectively and rotatably connected with the side edges of the two fixed frames 2, the outer surface of one fixed frame 2 is rotatably connected with a screwing nut 14, the inner end of the screwing nut 14 is mutually connected with the two-section type reverse lead screws 5, both sides of the outer surface of the two-section type reverse lead screws 5 are respectively provided with the movable sliding blocks 7, the middle of each movable sliding block 7 is provided with a threaded hole 19, each movable sliding block 7 is in threaded connection with the outer surface of the two-section type reverse lead screws 5 through the threaded hole 19, both sides of the upper surface of each movable sliding block 7 are fixedly connected with first limiting plates 8, and the middle of the two first limiting plates 8 is rotatably connected with a movable rotating rod 10 through a first connecting shaft 9, the upper end of the movable rotating rod 10 is rotatably connected to the lower surface of the second limiting plate 11 through a second connecting shaft 22, the second limiting plate 11 is fixedly connected to the lower surface of the connecting slide block 12, when the height position of the fireproof cable is adjusted, the two-section type reverse screw rod 5 at the upper end of the fixed base 1 can be rotated by screwing the screwing nut 14 at the outer end of the fixed frame 2 by using a hexagonal wrench with a corresponding size, and because the surfaces of the two ends of the two-section type reverse screw rod 5 are provided with threads in opposite directions, when the two-section type reverse screw rod 5 rotates, the movable sliding blocks 7 at the two ends of the two-section type reverse screw rod 5 can generate rotating acting force in opposite directions, under the action of the rotating force, the two groups of movable sliding blocks 7 can be drawn close to the inner ends, and further the movable rotating rod 10 can be pulled, after the movable rotating rod 10 is subjected to the action force of the movable sliding blocks, can drive lifting support 3 and extend to the outer end, can realize the adjustment to lifting support 3 height position with this mode.
In one embodiment of the present invention, the upper end of the connecting slider 12 is slidably connected inside the sliding groove 13, and the sliding groove 13 is disposed on the lower surface of the lifting bracket 3.
In one embodiment of the present invention, the lower surface of the movable sliding block 7 is provided with a connecting groove 21, and the movable sliding block 7 is slidably connected to the upper surface of the fixed base 1 through the connecting groove 21.
In one embodiment of the present invention, the two-stage reverse screw 5 has opposite-direction threads on the two end surfaces, and a connection ring 6 is disposed in the middle of the two-stage reverse screw 5.
In one embodiment of the present invention, the outer surface of the fixing frame 2 is fixedly connected with a connecting plate 4, and two connecting holes 20 are arranged inside the connecting plate 4.
In an embodiment of the present invention, three cable fixing blocks 15 are fixedly connected to the upper surface of the lifting bracket 3, a fixing arc groove 16 is formed on the upper surface of each cable fixing block 15, and a fireproof cable 18 is embedded in each cable fixing block 15 through the fixing arc groove 16.
In one embodiment of the present invention, a plurality of anti-slip strips 17 are disposed inside the fixed arc groove 16.
The working principle and the using process of the utility model are as follows: when the device is used, the bracket is placed in a railway cable trench, a screw is screwed between the connecting plate 4 and the mounting position, the bracket can be fixed at a designated position, when the height position of the fireproof cable is adjusted, the two-section type reverse lead screw 5 at the upper end of the fixed base 1 can be rotated by screwing the screwing nut 14 at the outer end of the fixed frame 2 by using a hexagonal wrench with a corresponding size, because the two end surfaces of the two-section type reverse lead screw 5 are provided with threads in opposite directions, when the two-section type reverse lead screw 5 rotates, the movable slide blocks 7 at the two ends of the two-section type reverse lead screw 5 can generate rotating acting force in opposite directions, under the rotating acting force, the two groups of movable slide blocks 7 can be closed towards the inner end, and further the movable rotary rod 10 can be pulled, after the movable rotary rod 10 is subjected to the acting force of the movable slide blocks, the lifting bracket 3 can be driven to extend towards the outer end, and the adjustment of the height position of the lifting bracket 3 can be realized in the mode, after the height adjustment of the lifting support 3 is finished, the fireproof cable 18 is placed in the cable fixing clamping block 15 on the upper surface of the lifting support 3, the supporting effect on the fireproof cable 18 can be achieved, the anti-slip strips 17 are arranged inside the cable fixing clamping block 15, the friction force between the cable fixing clamping block 15 and the fireproof cable 18 can be increased, and the situation that the fireproof cable 18 is separated from the sliding is prevented in this way.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (8)
1. The utility model provides a fireproof cable support of railway cable pit which characterized in that: the device comprises a fixed base (1), a lifting support (3), two-section type reverse lead screws (5) and movable sliding blocks (7), wherein both ends of the fixed base (1) are fixedly connected with fixing frames (2), the upper end of the fixed base (1) is provided with the two-section type reverse lead screws (5), both ends of the two-section type reverse lead screws (5) are respectively and rotatably connected to the side edges of the two fixing frames (2), the outer surface of one fixing frame (2) is rotatably connected with a screwing nut (14), the inner end of the screwing nut (14) is fixedly connected with one end of the two-section type reverse lead screws (5), both sides of the outer surface of the two-section type reverse lead screws (5) are provided with the movable sliding blocks (7), the middle of the movable sliding block (7) is provided with a threaded hole (19), and the movable sliding blocks (7) are in threaded connection with the outer surface of the two-section type reverse lead screws (5) through the threaded holes (19), the equal fixedly connected with first limiting plate (8) in activity slider (7) upper surface both sides, two rotate through first connecting axle (9) in the middle of first limiting plate (8) and be connected with activity dwang (10), activity dwang (10) upper end is rotated through second connecting axle (22) and is connected at second limiting plate (11) lower surface, second limiting plate (11) fixed connection is at connecting slider (12) lower surface.
2. The fire-resistant cable support for a railway cable trench of claim 1, wherein: the upper end of the connecting sliding block (12) is connected inside the sliding groove (13) in a sliding mode, and the sliding groove (13) is formed in the lower surface of the lifting support (3).
3. The fire-resistant cable support for a railway cable trench of claim 1, wherein: the lower surface of the movable sliding block (7) is provided with a connecting groove (21), and the movable sliding block (7) is connected to the upper surface of the fixed base (1) in a sliding mode through the connecting groove (21).
4. The fire-resistant cable support for a railway cable trench of claim 1, wherein: the two-section type reverse screw rod is characterized in that opposite-direction threads are arranged on the surfaces of the two ends of the two-section type reverse screw rod (5), and a connecting ring (6) is arranged in the middle of the two-section type reverse screw rod (5).
5. The fire-resistant cable support for a railway cable trench of claim 1, wherein: the outer surface of the two ends of the fixing frame (2) is fixedly connected with a connecting plate (4), and two connecting holes (20) are formed in the connecting plate (4).
6. The fire-resistant cable support for a railway cable trench of claim 1, wherein: the cable fixing device is characterized in that a plurality of cable fixing clamping blocks (15) are fixedly connected to the upper surface of the lifting support (3), fixed arc grooves (16) are formed in the upper surfaces of the cable fixing clamping blocks (15), and fireproof cables (18) are embedded into the cable fixing clamping blocks (15) through the fixed arc grooves (16).
7. The fire-resistant cable support for a railway cable trench of claim 6, wherein: a plurality of anti-slip strips (17) are arranged in the fixed arc groove (16).
8. The fire-resistant cable support for a railway cable trench according to any one of claims 1 to 7, wherein: the screwing nut (14) is a hexagonal nut or a nut with a bayonet matched with a screwdriver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551658.XU CN216121603U (en) | 2021-10-22 | 2021-10-22 | Fireproof cable support of railway cable trench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551658.XU CN216121603U (en) | 2021-10-22 | 2021-10-22 | Fireproof cable support of railway cable trench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216121603U true CN216121603U (en) | 2022-03-22 |
Family
ID=80695458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122551658.XU Active CN216121603U (en) | 2021-10-22 | 2021-10-22 | Fireproof cable support of railway cable trench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216121603U (en) |
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2021
- 2021-10-22 CN CN202122551658.XU patent/CN216121603U/en active Active
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