CN114665423B - Bridge cable fixing and inducing device and construction method - Google Patents
Bridge cable fixing and inducing device and construction method Download PDFInfo
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- CN114665423B CN114665423B CN202210262875.3A CN202210262875A CN114665423B CN 114665423 B CN114665423 B CN 114665423B CN 202210262875 A CN202210262875 A CN 202210262875A CN 114665423 B CN114665423 B CN 114665423B
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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
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
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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
- H02G3/0406—Details thereof
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a bridge cable fixing and inducing device and a construction method, wherein the bridge cable fixing and inducing device comprises an inducing mechanism, the inducing mechanism comprises an upper clamping block, a lower clamping block, a connecting device and a locking device, the upper clamping block is connected with the lower clamping block through the connecting device and locked through the locking device, a lower opening through groove for a cable to pass through is formed in the upper surface of the lower clamping block, an upper opening through groove for pressing the cable is formed in the lower surface of the upper clamping block at a position corresponding to the lower opening through groove, and the upper opening through groove and the lower opening through groove can enclose a cable passing channel; the invention improves the fixing strength of the cable, establishes a fixing system of the cable with different wire diameters, designs modularized rapid installation, ensures the construction precision, improves the working efficiency, reduces the on-site high altitude and welding operation through the ground pre-assembly, simplifies the construction operation and accelerates the engineering progress.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a bridge cable fixing and inducing device and a construction method.
Background
With the rapid development of social economy and science and technology, in order to meet the impression effect of cable laying engineering of various large-scale public building bridges, cable laying engineering of building electricity becomes particularly important as a part of electromechanical installation, and cables in public building power distribution areas are laid, so that the cables are heavy, the cable hardness is high, the laying difficulty is high, and the types of the cables are many; the traditional cable bridge frame ladder frame construction method is not firm in fixation, large in planning difficulty, multiple in overhead operation and complex in working procedure, and the traditional construction efficiency, quality, benefit and the like cannot meet the requirements of the engineering.
Disclosure of Invention
In order to solve the technical problems, the invention provides the bridge cable fixing induction device and the construction method, which improve the fixing strength of cables, establish a fixing system of cables with different wire diameters, design modularized rapid installation, ensure the construction precision, improve the working efficiency, reduce the field high altitude and welding operation through the ground pre-assembly, simplify the construction operation and accelerate the engineering progress.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a bridge cable fixing induction device, is abbreviated as induction device below, includes induction mechanism, induction mechanism includes clamp splice, lower clamp splice, connecting device and locking device, go up the clamp splice and pass through connecting device connects with lower clamp splice to through locking device locking, the lower open logical groove that supplies the cable to pass through has been seted up to the upper surface of lower clamp splice, the upper open logical groove that is used for compressing tightly the cable has been seted up to the position that the lower surface of going up the clamp splice corresponds the open logical groove down, the upper open logical groove with the open logical groove down can enclose into the cable and pass the passageway.
Through adopting this technical scheme, the cable is pressed from both sides tightly through last clamp splice and lower clamp splice, has improved the fixed strength of cable, and through the structure realization of induction mechanism to the orderly arrangement of cable, has improved the pleasing to the eye degree of laying, and the radiating effect is good, and connecting device detachable connection mounting means has significantly reduced high altitude welding operation, greatly reduced the construction risk.
Preferably, the induction device comprises a plurality of induction mechanisms which are linearly tiled along the width direction of the bridge and are linearly stacked along the height direction of the bridge, wherein the induction mechanisms stacked along the height direction are connected and locked in series through the connecting device, and the bridge cable fixing induction devices are detachably arranged on the cross arm of the bridge through the connecting device.
By adopting the technical scheme, the optimized fixation and induction of the cables are realized according to the size, the number of layers, the installation distance and the like of the induction mechanism of the design planning of the actual engineering, and the attractiveness of laying is improved; the construction mode of modularized assembly construction ensures that a large number of construction procedures are finished in a processing area, the noise in the installation process is low, and the site is free from construction waste and pollution.
Preferably, the connecting device comprises a connecting pin, a control rod, an upper spring, a middle plate, a lower spring and two blocking beads; the connecting pin upper end is equipped with inside hollow locating bench, the bolt portion of establishing the through-hole in having connect under the locating bench, bolt portion near lower extreme department is equipped with symmetrical round hole, the connecting pin includes handle and the pole portion of upper end, pole portion inserts the hole of connecting pin and rather than sliding connection, pole portion lower part is provided with annular groove, and annular groove down, form the annular boss naturally between annular groove and the annular groove down, the intermediate lamella links firmly on the pole portion, the intermediate lamella up end links firmly the upper spring, the intermediate lamella lower terminal surface links firmly down the spring, upper spring and lower spring all overlap on the pole portion, two fender pearls are placed on the round hole with the symmetry, two fender pearls contact with annular boss under the natural state.
According to the technical scheme, when the control rod is pressed down, the lower spring is pressed, the upper annular groove is contacted with the two blocking beads, the two blocking beads are retracted into the upper annular groove, the connecting pin smoothly passes through the connecting hole of the induction mechanism until the connecting pin is in place, the control rod is loosened, the annular boss is contacted with the two blocking beads under the action of the thrust of the lower spring and the pulling force of the upper spring, the blocking beads are pushed out of the round hole, the induction mechanism is clamped and connected with the cross arm, and the control rod is pulled up in the same principle when the control rod is detached.
By adopting the technical scheme, the convenient locking of the connecting device can be realized, and a plurality of connecting devices can be simultaneously locked, so that the influence on the installation of other cables due to the locking of the connecting devices can be avoided.
Preferably, the locking device comprises at least one cam, a supporting shaft and a rocker, wherein the supporting shaft is arranged on two vertical plates of the bridge frame and is positioned right above the connecting device, the cams are sleeved on the supporting shaft, the cams are positioned right above the connecting device in one-to-one correspondence, and the connecting device is pushed to descend and is locked through rotation of the cams.
The technical scheme is that when the cam is positioned at the initial position, the shortest diameter part of the cam contacts the upper surface of the handle of the connecting device, the falling of the connecting device is limited, the pretension of the induction mechanism is realized at the moment, when the cable installation is completed, the rocker is rotated, the cam rotates around the supporting shaft, the large diameter part of the cam contacts the upper surface of the handle at the moment, the connecting device is pushed by the cam to descend to the proper position, the induction mechanism is clamped, the cam continues to rotate, the control rod returns under the thrust of the lower spring, the cam stops rotating and keeps contact with the upper surface of the handle, and the effect of limiting the movement of the connecting device can be realized at the moment.
By adopting the technical scheme, synchronous clamping of a plurality of connecting devices is realized, and the locking effect of the connecting devices is improved.
Preferably, the upper opening through groove is U-shaped or V-shaped, and the lower opening through groove is U-shaped or V-shaped.
By adopting the technical scheme, the cable is fixedly compressed by selecting an optimal scheme.
Preferably, the number of the lower opening through grooves on each lower clamping block is at least one, and the lower surface of the upper clamping block assembled with the lower clamping block is provided with the upper opening through grooves which correspond to the positions of the lower opening through grooves in number.
By adopting the technical scheme, a summary mechanism is realized to summary a plurality of cables, and the scheme is particularly applicable when the number of the cables is large, thereby realizing the beneficial effects of saving materials and reducing the installation difficulty.
Preferably, the top of the upper open channel is provided with a fastener for pressing the cable passing through the cable passing channel.
Through adopting this technical scheme, adopt fastener further locking fixed cable, both strengthened the fixed effect of cable, replenished again when the cable wire footpath is less than the diameter of lower opening through groove can't compress tightly with lower clamp splice through last clamp splice.
Preferably, the fastening piece is made of stainless steel, an environment-friendly thermosetting powder coating is sprayed on the surface of the fastening piece, and an insulating rubber mat is arranged at the lower end of the fastening piece.
By adopting the technical scheme, the contact surface of the fastener and the cable is increased, and mechanical damage of hard objects to the cable can be avoided.
Preferably, the lower surface of the lower clamping block is provided with a yielding groove, and the yielding groove is a U-shaped groove which is opened towards one side of the length direction of the lower clamping block so as to accommodate a fastener positioned on the lower layer induction mechanism.
Through adopting this technical scheme, the design of the groove of stepping down both can hold the fastener that is located on the lower floor induction mechanism, has realized again after having laid all cables, makes things convenient for the transfer of fastener to loosen and locking operation.
Preferably, the upper clamping block and the lower clamping block are made of common flame-retardant plastic materials, the connecting device is made of stainless steel materials, and the surface of the connecting device is sprayed with environment-friendly thermosetting powder coating.
Through adopting this technical scheme, adopt ordinary fire-retardant plastic materials, low in production cost, and improve the risk resistance of disaster, hidden danger, increase the service life of cable, the metal component surface spraying has environmental protection thermosetting powder coating, and economical and durable, intensity guarantees, can be better carry out the wiring operation.
A construction method of a bridge cable fixing induction device comprises the following steps:
s1: calculating the length of each cable according to the design and the actual path;
s2, determining the number and the grade of cables according to the design, and calculating the layers of cabling which are needed to be laid, namely configuring a plurality of layers of induction mechanisms;
s3: determining the number of bridge cable fixing induction devices installed on the whole bridge length;
s4: preparing materials and tools, and installing a bridge cable fixing induction device;
s4a: according to design and construction standards, the number, the size and the placement mode of the induction mechanisms are determined, so that the induction mechanisms are orderly arranged, and the connection device is easy to connect and install;
s4b: drilling a light hole for connecting and fixing the induction mechanism on a cross arm of the bridge, and drilling a light hole for installing the locking device;
s4c: penetrating connecting devices into corresponding connecting holes of the induction mechanisms, connecting the induction mechanisms of each layer in series through the connecting devices, and installing the locking device, wherein each cam correspondingly contacts with one connecting device so as to perform pre-fixing;
s5: cabling is carried out, and the cable passes through a through hole surrounded by an upper opening through slot and a lower opening through slot in the middle of the induction mechanism;
s6: the cam is rotated into position by rotating the rocker so as to push the connecting device to move down into position to clamp and lock the induction mechanism.
Preferably, the number of bridge cable fixing induction devices installed on the whole bridge length is determined in S3 according to the following criteria:
a. a bridge cable fixing induction device is arranged at the head end and the tail end of the cable which is laid horizontally and at the two sides of the turn at intervals of 5-10 m;
b. a bridge cable fixing induction device is arranged on the cable which is obliquely laid at an angle of more than 45 degrees every 2 m;
c. one cable is fixed when being laid vertically, a bridge cable fixing and inducing device is arranged on each full-plastic cable every 1m, a bridge cable fixing and inducing device is arranged on other cables every 1.5m, and a bridge cable fixing and inducing device is arranged on each control cable every 1 m;
in summary, the invention has the following beneficial technical effects:
1. the cable is tightly pressed from both sides tight through last clamp splice and lower clamp splice to consolidate through the fastener, improved the fixed strength of cable, and realize the neatly arranging to the cable through the structure of induction mechanism, improved the aesthetic measure of laying, and the radiating effect is good, and connecting device adopts the mounting means of connecting pin joint, and has locked through locking device, has optimized the mounting means, has improved factor of safety, and has significantly reduced high altitude welding operation, has reduced the construction risk.
2. The optimized fixation and induction of the cable are realized, and the attractiveness of laying is improved; the construction mode of modularized assembly construction ensures that a large number of construction procedures are finished in a processing area, the noise in the installation process is low, and the site is free from construction waste and pollution.
Drawings
Fig. 1 is a schematic view of a bridge cable fixing induction device in embodiment 1;
fig. 2 is a schematic front view of a bridge cable fixing induction device of embodiment 1;
FIG. 3 is a schematic view showing a pre-tightening state of the coupling device and the locking device of embodiment 1;
FIG. 4 is a schematic view showing the state of the connecting device and the locking device of embodiment 1 in place;
FIG. 5 is a schematic view showing a locked state of the connecting device and the locking device of embodiment 1;
fig. 6 is a schematic view of a bridge cable fixing induction device in embodiment 2;
FIG. 7 is a schematic diagram of a generalization mechanism of example 2;
FIG. 8 is a schematic diagram of a summary mechanism of example 3.
Reference numerals illustrate:
1-a generalization mechanism; 11-upper clamping blocks;
12-lower clamping blocks; 121-a yielding groove;
13-a lower opening through slot; 14-upper opening through slot;
2-a fastener; 3-insulating rubber mats;
4-bridge frame; 41-Cross arm
5-cable;
6-connecting means; 61-connecting pins; 62-a control lever; 63-loading a spring; 64-an intermediate plate; 65-lower springs; 66-blocking beads;
7-locking device; 71-cam; 72-supporting the shaft; 73-rocker.
Description of the embodiments
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
The embodiment discloses cable bridge cable fixing and induction device, as shown in fig. 1, including induction mechanism 1, induction mechanism 1 includes clamp splice 11, lower clamp splice 12, connecting device 6 and locking device 7, and upper clamp splice 11 passes through connecting device 6 with lower clamp splice 12 to through locking device 7 locking, upper opening through groove 14 that is used for compressing tightly cable 5 has been seted up to the lower surface of upper clamp splice 11's position that corresponds lower opening through groove 13, upper opening through groove 14 with lower opening through groove 13 can enclose into cable 5 and pass the passageway.
As shown in fig. 1 and 2, a bridge cable fixing and summarizing device comprises a plurality of summarizing mechanisms 1, wherein the summarizing mechanisms 1 are linearly paved along the width direction of a bridge 4 and are linearly stacked along the height direction of the bridge 4, the summarizing mechanisms 1 stacked along the height direction are locked in series through connecting devices, and the plurality of bridge cable fixing and summarizing devices are detachably arranged on cross arms 41 of the bridge 4.
As shown in fig. 3-5, the connecting means 6 comprises a connecting pin 61, a control rod 62, an upper spring 63, an intermediate plate 64, a lower spring 65 and two blocking beads 66; the connecting pin 61 is provided with a positioning table 611 with a hollow inside, the positioning table 611 is connected with a bolt portion 612 with a through hole inside, a symmetrical round hole 613 is arranged at the position near the lower end of the bolt portion 612, the connecting pin 61 comprises a handle 621 and a rod portion 622 at the upper end, the rod portion 622 is inserted into an inner hole of the connecting pin 61 and is in sliding connection with the inner hole, an upper annular groove 623 and a lower annular groove 625 are arranged at the lower portion of the rod portion 622, an annular boss 624 is naturally formed between the upper annular groove 623 and the lower annular groove 625, the annular middle plate 64 is fixedly connected to the rod portion 622, the upper end face of the middle plate 64 is fixedly connected to the upper spring 63, the lower end face of the middle plate 64 is fixedly connected to the lower spring 65, the upper spring 63 and the lower spring 65 are sleeved on the rod portion 622, the two retaining beads 66 are placed on the symmetrical round hole 613, and the two retaining beads 66 are in contact with the annular boss 624 in a natural state. The upper surface of the lower clamping block 12 is provided with a lower opening through groove 13 for the cable 5 to pass through,
as shown in fig. 3-4, the locking device 7 further comprises a locking device 7, the locking device 7 comprises at least one cam 71, a supporting shaft 72 and a rocker 73, the supporting shaft 72 is crossly supported on two vertical plates of the bridge 4 and is located right above the connecting device 6, the cam 71 is sleeved on the supporting shaft 72, the cams 71 are located right above the connecting device 6 in a one-to-one correspondence mode, and the connecting device 6 is pushed to descend and locked through rotation of the cams.
As shown in fig. 2, the upper opening through slot 14 is U-shaped, and the lower opening through slot 13 is U-shaped; the lower opening through groove 13 on the lower clamping block 12 is one, and the lower surface of the upper clamping block 11 assembled with the lower clamping block 12 is provided with an upper opening through groove 14; the top of the upper opening through groove 14 is provided with a fastener 2 for pressing the cable 5 passing through the channel, and the lower end of the fastener 2 is provided with an insulating rubber mat 3; the upper clamping block 11 and the lower clamping block 12 are made of common flame-retardant plastic materials, the connecting device and the locking device are made of stainless steel materials, the surface of the connecting device and the locking device is sprayed with environment-friendly thermosetting powder paint, and the insulating rubber mat 3 is made of neoprene materials.
The construction method of the bridge cable fixing induction device in the embodiment comprises the following steps:
s1: calculating the length of each cable 5 according to the design and the actual path;
s2, determining the number and the grade of the cables 5 according to the design, and calculating the arrangement of three layers;
s3: determining the number of bridge cable fixing induction devices installed on the whole bridge length; the following criteria are used:
a. a bridge cable fixing and induction device is arranged at the head end and the tail end of the horizontally laid cable 5 and at the two sides of a turn at intervals of 5-10 m;
b. a bridge cable fixing induction device is arranged on the cable 5 which is obliquely laid at an angle of more than 45 degrees every 2 m;
c. one cable 5 is vertically laid, one cable is fixedly laid, a bridge cable fixing and inducing device is arranged on the full plastic type cable 5 every 1m, a bridge cable fixing and inducing device is arranged on other cables 5 every 1.5m, and a bridge cable fixing and inducing device is arranged on the control cable 5 every 1 m.
S4: preparing materials and tools, and installing a bridge cable fixing induction device;
s4a: according to design and construction standards, the number of the induction mechanisms 1 is 8, the sizes are the same, the arrangement is tidy, the connection and the installation of the connecting device 6 are easy, the arrangement mode adopts the first layer tiling, each induction mechanism 1 of the second layer is staggered with the next layer, and the left mounting hole of the induction mechanism 1 on the second layer is aligned with the right mounting hole of the induction mechanism 1 of the first layer;
s4b: the cross arm 41 of the bridge 4 is provided with a light hole for connecting and fixing the induction mechanism 1, and is provided with a drill with the mounting holes of the three induction mechanisms 1 of the first layer;
s4c: 6 connecting devices 6 are penetrated into the corresponding 6 connecting holes of the induction mechanism 1, the induction mechanism 1 of each layer is connected in series through the connecting devices 6, the locking device 7 is installed, and 6 cams 71 are also required to be installed on the supporting shaft 72 and are contacted with the connecting devices 6 in a one-to-one correspondence manner so as to perform pre-fixing, as shown in fig. 3;
s5: laying the cable 5, and allowing the cable 5 to pass through a through hole surrounded by an upper opening through groove 14 and a lower opening through groove 13 in the middle of the induction mechanism 1;
s6: the rocking bar 73 is rotated to enable the cam 71 to rotate so as to push the connecting device 6 to move down to the proper position to clamp the induction mechanism 1, as shown in fig. 4, the rocking bar 73 is continuously rotated, the control rod 62 of the connecting device 6 returns to the natural state, at the moment, the cam 71 stops rotating and keeps contact with the upper surface of the handle 621, as shown in fig. 5, at the moment, the movement of the connecting device 6 can be limited, namely, the connecting device 6 is locked.
Example 2
The difference between this embodiment and embodiment 1 is that, as shown in fig. 7, 7 lower open through slots 13 are provided on the lower clamping block 12, and upper open through slots 14 corresponding to the positions of the lower open through slots 13 and having the same number of 7 are provided on the lower surface of the upper clamping block 11 assembled with the lower clamping block 12; the lower surface of the lower clamping block 12 is provided with a relief groove 121, and the relief groove 121 is a U-shaped groove which is opened at one side of the length direction of the lower clamping block 12 so as to accommodate the fastener 2 positioned on the lower induction mechanism 1.
As shown in fig. 6, the induction device is composed of three layers of induction mechanisms 1, wherein the first layer is the induction mechanism 1 with only one lower opening through slot 13 and one upper opening through slot 14, and the second layer and the third layer are the induction mechanism with 7 lower opening through slots 13 and upper opening through slots 14.
Example 3
This embodiment differs from embodiment 1 in that, as shown in fig. 8, the upper opening through groove 14 of the induction mechanism 1 is U-shaped, the lower opening through groove 13 is V-shaped, and the range of cable diameters that can be accommodated by the V-shaped groove is larger.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above-mentioned embodiments according to the technical substance of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (9)
1. The bridge cable fixing and induction device is characterized by comprising an induction mechanism (1), wherein the induction mechanism (1) comprises an upper clamping block (11), a lower clamping block (12), a connecting device (6) and a locking device (7), the upper clamping block (11) is connected with the lower clamping block (12) through the connecting device (6) and locked through the locking device (7), a lower opening through groove (13) for a cable (5) to pass through is formed in the upper surface of the lower clamping block (12), an upper opening through groove (14) for pressing the cable (5) is formed in the lower surface of the upper clamping block (11) at a position corresponding to the lower opening through groove (13), and the upper opening through groove (14) and the lower opening through groove (13) can enclose a cable (5) to pass through a channel;
the connecting device (6) comprises a connecting pin (61), a control rod (62), an upper spring (63), a middle plate (64), a lower spring (65) and two blocking beads (66); the utility model discloses a ball seat, including connecting pin (61), connecting pin (61) upper end is equipped with inside hollow locating bench (611), locating bench (611) connect down and have established bolt portion (612) of through-hole in, bolt portion (612) near lower extreme department is equipped with round hole (613) of symmetry, connecting pin (61) are including handle (621) and pole portion (622) of upper end, pole portion (622) inserts the hole of connecting pin (61) and rather than sliding connection, pole portion (622) lower part is provided with annular groove (623) and lower annular groove (625), go up annular groove (623) with form annular boss (624) naturally between annular groove (625), intermediate plate (64) link firmly on pole portion (622), intermediate plate (64) up end link firmly upper spring (63), intermediate plate (64) lower terminal surface link firmly lower spring (65), upper spring (63) with lower spring (65) all overlap on pole portion (622), two keep off annular boss (624) are placed with lower annular bead (613) under the symmetry.
2. A bridge cable fixing and induction device according to claim 1, characterized by comprising a plurality of induction mechanisms (1), wherein the induction mechanisms (1) are linearly tiled along the width direction of the bridge (4) and are linearly stacked along the height direction of the bridge (4), wherein the induction mechanisms (1) stacked along the height direction are connected and locked in series through the connecting device (6), and the bridge cable fixing and induction devices are detachably mounted on a cross arm (41) of the bridge (4) through the connecting device (6).
3. The bridge cable fixing and induction device according to claim 2, wherein the locking device (7) comprises at least one cam (71), a supporting shaft (72) and a rocker (73), the supporting shaft (72) is crossarm on two vertical plates of the bridge (4) and is located right above the connecting device (6), the cams (71) are sleeved on the supporting shaft (72), the cams (71) are located right above the connecting device (6) in a one-to-one correspondence mode, and the connecting device (6) is pushed to descend and locked through rotation of the cams.
4. A bridge cable fixture according to claim 3, characterized in that the upper open channel (14) is U-shaped or V-shaped and the lower open channel (13) is U-shaped or V-shaped.
5. The bridge cable fixing and induction device according to claim 4, wherein at least one lower opening through groove (13) is formed in each lower clamping block (12), and the lower surface of an upper clamping block (11) assembled with the lower clamping block (12) is provided with upper opening through grooves (14) which correspond to the lower opening through grooves (13) in position and are equal in number.
6. The bridge cable fixing and induction device according to claim 5, characterized in that a groove top of the upper opening through groove (14) is provided with a fastener (2) for pressing a cable (5) passing through a channel from the cable (5), the fastener (2) is made of stainless steel, an environment-friendly thermosetting powder coating is sprayed on the surface, and an insulating rubber mat (3) is arranged at the lower end of the fastener (2).
7. A bridge cable fixing induction device according to any one of claims 1-6, characterized in that the upper clamping block (11) and the lower clamping block (12) are made of common flame retardant plastic materials, the connecting device (6) and the locking device (7) are made of stainless steel materials, and environmental protection thermosetting powder paint is sprayed on the surfaces.
8. A construction method of a bridge cable fixing and induction device, adopting the bridge cable fixing and induction device as set forth in any one of claims 1-7, characterized by comprising the following steps:
s1: calculating the length of each cable (5) according to the design and the actual path;
s2, determining the number and the grade of the cables (5) according to the design, and calculating the layers to be laid, namely configuring a plurality of layers of induction mechanisms (1);
s3: determining the number of bridge cable fixing induction devices installed on the whole bridge length;
s4: preparing materials and tools, and installing a bridge cable fixing induction device;
s4a: according to design and construction standards, the number, the size and the placement mode of the induction mechanisms (1) are determined, so that the induction mechanisms are orderly arranged and are easy to connect and install by the connecting device (6), the placement mode adopts first-layer tiling, and each induction mechanism (1) of the second layer is staggered with the next layer, so that the left mounting hole of the induction mechanism 1 on the second layer is aligned with the right mounting hole of the induction mechanism 1 of the first layer;
s4b: drilling a light hole for connecting and fixing the induction mechanism (1) on a cross arm (41) of the bridge (4), and drilling a hole for installing a locking device (7);
s4c: penetrating a connecting device (6) into a connecting hole corresponding to the induction mechanism (1), connecting the induction mechanisms (1) of each layer in series through the connecting device (6), and installing a locking device (7), wherein the locking device (7) correspondingly contacts with the connecting device (6) so as to perform pre-fixing;
s5: the cable (5) is laid, and the cable (5) passes through a through hole surrounded by an upper opening through groove (14) and a lower opening through groove (13) in the middle of the induction mechanism (1);
s6: the induction mechanism is clamped and locked by pushing the connecting device (6) to move down to the right position through the locking device (7).
9. The construction method of a bridge cable fixing and summarizing device according to claim 8, wherein the number of bridge cable fixing and summarizing devices installed on the whole bridge length is determined in S3 according to the following criteria:
a. a cable (5) laid horizontally, wherein a bridge cable fixing and inducing device is arranged at the head end and the tail end and at the two sides of a turn at intervals of 5-10 m;
b. a bridge cable fixing and induction device is arranged on the cable (5) which is obliquely laid at an angle of more than 45 degrees every 2 m;
c. and each cable (5) laid vertically is fixed, each full-plastic cable (5) is provided with a bridge cable fixing and inducing device every 1m, other cables (5) are provided with a bridge cable fixing and inducing device every 1.5m, and each control cable (5) is provided with a bridge cable fixing and inducing device every 1 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210262875.3A CN114665423B (en) | 2022-03-17 | 2022-03-17 | Bridge cable fixing and inducing device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210262875.3A CN114665423B (en) | 2022-03-17 | 2022-03-17 | Bridge cable fixing and inducing device and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN114665423A CN114665423A (en) | 2022-06-24 |
| CN114665423B true CN114665423B (en) | 2023-09-26 |
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| CN202210262875.3A Active CN114665423B (en) | 2022-03-17 | 2022-03-17 | Bridge cable fixing and inducing device and construction method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113681493A (en) * | 2021-09-03 | 2021-11-23 | 北京卫星环境工程研究所 | Fixed force wrench for astronaut in gravity-free environment |
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| US6393881B1 (en) * | 2000-12-01 | 2002-05-28 | Tung Chu International Inc. | Lock structure for manual shift levers |
| CN102837143A (en) * | 2011-06-22 | 2012-12-26 | 白四海 | Pipeline flange positioning device |
| CN103212927A (en) * | 2013-04-01 | 2013-07-24 | 南京中建化工设备制造有限公司 | Quick-locking flange positioner |
| KR101580468B1 (en) * | 2015-04-24 | 2015-12-28 | (주)케이제이종합엔지니어링 | Electric cable tray for apartmenthouse |
| CN205595596U (en) * | 2016-05-03 | 2016-09-21 | 西安铁路局西安动车段 | EMUs rescue is with 32 core electrical connector plug dismouting specialized tool |
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| CN110325783A (en) * | 2018-04-11 | 2019-10-11 | 深圳市大疆创新科技有限公司 | The locking means of locking mechanism, holder and holder armshaft |
| KR20200033644A (en) * | 2018-09-20 | 2020-03-30 | 삼성중공업 주식회사 | Cable tray |
| CN210273368U (en) * | 2019-08-10 | 2020-04-07 | 深圳市美路科技有限公司 | Easy-to-assemble and disassemble bridge structure for cable erection |
| CN113681493A (en) * | 2021-09-03 | 2021-11-23 | 北京卫星环境工程研究所 | Fixed force wrench for astronaut in gravity-free environment |
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| CN114665423A (en) | 2022-06-24 |
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