CN209805262U - Protection device for laying power cable - Google Patents
Protection device for laying power cable Download PDFInfo
- Publication number
- CN209805262U CN209805262U CN201920884209.7U CN201920884209U CN209805262U CN 209805262 U CN209805262 U CN 209805262U CN 201920884209 U CN201920884209 U CN 201920884209U CN 209805262 U CN209805262 U CN 209805262U
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- China
- Prior art keywords
- frame body
- chassis
- protection device
- outer frame
- sliding rail
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Abstract
The utility model relates to a protection device for electric power cable is laid. The front chassis with two front wheels at the bottom and the rear chassis with two rear wheels at the bottom are included, a front end plate is arranged at the rear part of the front chassis, and a rear end plate is arranged at the front part of the rear chassis; the upper surface of the front chassis is provided with a front sliding rail, the upper surface of the rear chassis is provided with a rear sliding rail, and the front sliding rail and the rear sliding rail are both provided with a support guide assembly; the supporting and guiding assembly comprises an upper sleeve and an upright post, the upper end of the upright post is not penetrated through, the upper end of the upright post is inserted into the upper sleeve, and the lower end of the upright post is provided with a sliding block; the top of the upper sleeve is supported with a rectangular outer frame body through a support rod, the inner side of the outer frame body is provided with a rectangular inner frame body, traction springs are arranged between four angular positions of the outer frame body and the inner frame body, and four edges of the inner frame body are provided with compression rollers. The utility model discloses simple structure, simple operation, protection are effectual.
Description
Technical Field
The utility model belongs to the technical field of the equipment is laid to the electric power cable, especially, relate to a protection device for electric power cable is laid.
Background
in the laying construction process of the power cable, the protection (including the operations of guiding, retracting and the like) of the power cable is an important link, and in general, in order to pull and convey the power cable into facilities such as a cable trench, equipment such as a pulling machine and a winching machine is inevitably adopted. When the traction machine performs a strong traction effect on the power cable, if the power cable is dragged on the ground, the skin of the power cable is damaged, and when the skin is serious, the metal core wire inside the power cable is exposed, so that the cable fails. On the other hand, since the power cable has a large friction force when the power cable is towed on the ground, the towed cable is not easily pulled, and a high demand is placed on the pulling device. Therefore, set up the auxiliary device of guide direction just seems to be significant on the route that the cable removed, and this kind of auxiliary device not only can promote the normality that the cable removed, can provide good guard action for the cable moreover, effectively prevents that the cable from receiving the damage.
The prior guiding auxiliary device is generally a pulley device, and a cable is threaded into the pulley device to generate a guiding effect, however, the auxiliary device with the structure is difficult to form a system, that is, a single-point guiding and protecting device is difficult to achieve the guiding and protecting effect on the whole cable, and a systematic solution with span and stable support is required for a power cable with a certain length instead of the single-point supporting solution. Therefore, it is necessary to develop a new protection device for guiding and protecting during cable construction.
SUMMERY OF THE UTILITY MODEL
the utility model discloses a solve the technical problem that exists among the known art and provide a simple structure, simple operation, protection effectual a protection device for electric power cable is laid.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: a protection device for laying power cables comprises a front chassis with two front wheels at the bottom and a rear chassis with two rear wheels at the bottom, wherein a triangular front end plate extending backwards is arranged at the rear part of the front chassis; the upper surface of the front chassis is provided with a front sliding rail, the upper surface of the rear chassis is provided with a rear sliding rail, and the front sliding rail and the rear sliding rail are both provided with a support guide assembly; the supporting and guiding assembly comprises an upper sleeve and an upright post, the upper end of the upright post is inserted into the upper sleeve, an inner spring is further arranged in the upper sleeve and above the upper end of the upright post, a sliding block is arranged at the lower end of the upright post, a sliding groove extending along the axial direction is arranged on the side wall of the upright post, a threaded hole is arranged on the side wall of the upper sleeve, a guiding screw is arranged in the threaded hole, and the inner end of the guiding screw is positioned in the sliding groove; the top of the upper sleeve is supported with a rectangular outer frame body through a support rod, the inner side of the outer frame body is provided with a rectangular inner frame body, traction springs are arranged between four angular positions of the outer frame body and the inner frame body, and four edges of the inner frame body are provided with compression rollers.
The utility model has the advantages that: the utility model provides a simple reasonable protection device for electric power cable is laid of structural design compares with current direction and protection device, sets up the rear portion slide rail and install on the slide rail and set up the support direction subassembly through setting up articulated anterior chassis and the rear portion chassis of connecting and setting up anterior slide rail, rear portion chassis on anterior chassis among this technical scheme, has realized a systematized structural design. Whole device can place subaerial, can stand steadily, because both front portion chassis and rear portion chassis can buckle to certain angle, a plurality of these protection device put and can form continuous multiple spot support and direction on the removal route of electric power cable, make the cable break away from ground and other interference object on the route under the circumstances of guaranteeing the cable and remove the unobstructed nature, both carried out good protection to the epidermis of cable, also reduced the traction force requirement to cable traction equipment, more be favorable to promoting the efficiency of on-the-spot cable laying construction. The whole device is convenient to move and arrange on a construction site due to the arrangement of the front wheels and the rear wheels, and the operation is very convenient.
Preferably: the outer frame body and the inner frame body are both made of round steel through bending and closed-loop welding, inner lantern rings are arranged on the inner sides of four angular positions of the outer frame body, outer lantern rings are arranged on the outer sides of the four angular positions of the inner frame body, and hooks at two ends of the traction spring are respectively hooked on the corresponding inner lantern rings and the outer lantern rings.
Preferably: the supporting rods for supporting the outer frame body comprise a left supporting rod and a right supporting rod, the middle upper parts of the left supporting rod and the right supporting rod are welded and fixed with the outer frame body, and the middle lower parts of the left supporting rod and the right supporting rod are bent into a vertical state; two insertion holes which extend along the axial direction and are circumferentially spaced by 180 degrees are formed in the top of the upper sleeve, and the middle lower parts of the left supporting rod and the right supporting rod are respectively inserted into the two insertion holes.
Preferably: the front part middle position of the front chassis is provided with a front inserting shaft by adopting a hinge, and the rear part middle position of the rear chassis is provided with a rear shaft sleeve.
Preferably: the front end plate of the front chassis is provided with a plurality of positioning pin holes, and the corresponding position on the rear end plate of the rear chassis is provided with a positioning bolt which is pinned in one positioning pin hole.
Preferably: the central connecting shaft comprises a straight shaft section at the middle part, external threads are arranged at the upper end and the lower end of the straight shaft section, the straight shaft section penetrates through shaft holes in the front end plate and the rear end plate, and nuts are arranged on the external thread parts at the upper end and the lower end.
Preferably: a plurality of transversely through threaded holes are formed in the side part of the front sliding rail, and front fastening screws are arranged in the threaded holes; a plurality of threaded holes which are transversely communicated are formed in the side part of the rear sliding rail, and rear fastening screws are arranged in the threaded holes.
Preferably: and the front wheels and the rear wheels are selected as wheels with brakes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional structural schematic view of the support guide assembly of FIG. 1;
FIG. 3 is a schematic structural view of the chassis portion of FIG. 1;
fig. 4 is a schematic view of the structure of the usage state of the present invention.
In the figure: 1. a front part inserting shaft; 2. folding; 3. a front slide rail; 3-1, front fastening screws; 4. supporting a guide assembly; 4-1, a left side strut; 4-2, pressing rollers; 4-3, a traction spring; 4-4, an outer frame body; 4-5, an inner frame body; 4-6, right side strut; 4-7, a jack; 4-8, an upper sleeve; 4-9, inner spring; 4-10, a guide screw; 4-11, upright columns; 4-12, a chute; 4-13, a sliding block; 5. a central connecting shaft; 6. a rear slide rail; 6-1, rear fastening screws; 7. a front chassis; 7-1, front end plate; 7-2, positioning pin holes; 8. a rear chassis; 8-1, a rear end plate; 8-2, positioning a bolt; 9. a front wheel; 10. a rear wheel; 11. a rear shaft sleeve; 12. a cable.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:
referring to fig. 1 and 3, the protection device for laying power cables of the present invention comprises a front chassis 7 with two front wheels 9 at the bottom and a rear chassis 8 with two rear wheels 10 at the bottom, a triangular front end plate 7-1 extending rearward is disposed at the rear of the front chassis 7, two triangular rear end plates 8-1 extending forward are disposed at the front of the rear chassis 8, and the front end plate 7-1 is embedded between the two rear end plates 8-1 and hinged with a central connecting shaft 5.
The front chassis 7 and the rear chassis 8 may be made of engineering plastic or hardwood, and when the front chassis and the rear chassis are made of hardwood, the surface of the front chassis and the rear chassis should be coated with varnish for corrosion prevention.
In this embodiment, the central connecting shaft 5 includes a straight shaft section in the middle, the upper and lower ends of the straight shaft section are both provided with external threads, the straight shaft section penetrates through the shaft holes on the front end plate 7-1 and the rear end plate 8-1, and the external threads on the upper and lower ends are both provided with nuts, so that the central connecting shaft 5 is convenient to detach, that is, the front chassis 7 and the rear chassis 8 are both convenient to detach.
In this embodiment, the front wheels 9 and the rear wheels 10 are selected as wheels with brakes, so that after the protection device is moved to a position in a construction site, the wheels can be braked by operating the brakes of the wheels, and the position of the whole protection device is relatively fixed. The wheels with brakes are commercially available products and are adopted on various moving vehicles, so that the detailed description is omitted.
The upper surface of the front chassis 7 is provided with a front slide rail 3, the upper surface of the rear chassis 8 is provided with a rear slide rail 6, and the front slide rail 3 and the rear slide rail 6 are both provided with a support guide assembly 4. Two support and guide assemblies 4 are used to support and guide the cable 12.
Referring to fig. 2, it can be seen that: the supporting and guiding component 4 comprises an upper sleeve 4-8 with an upper end not communicated with the upper end and an upright post 4-11, the upper end of the upright post 4-11 is inserted into the upper sleeve 4-8, and an inner spring 4-9 is arranged in the upper sleeve 4-8 and above the upper end of the upright post 4-11.
The lower end of the upright post 4-11 is provided with a slide block 4-13, the slide block 4-13 is positioned in the front slide rail 3/the rear slide rail 6, and the upper assembly is carried to move transversely along the slide rail. In the embodiment, a plurality of transversely through threaded holes are formed in the side part of the front sliding rail 3, and a front fastening screw 3-1 is arranged in each threaded hole; a plurality of threaded holes which are transversely communicated are formed in the side part of the rear sliding rail 6, and rear fastening screws 6-1 are arranged in the threaded holes. After the two supporting and guiding means 4 are moved into position inside the respective slide, the respective slide 4-13 is fixed inside the slide by screwing the corresponding front and rear fastening screws 3-1 and 6-1.
The side wall of the upright post 4-11 is provided with a sliding groove 4-12 extending along the axial direction, the side wall of the upper sleeve 4-8 is provided with a threaded hole, a guide screw 4-10 is arranged in the threaded hole, and the inner end of the guide screw 4-10 is positioned in the sliding groove 4-12. The upper sleeve 4-8 and the accessory components thereof can float up and down under the action of the elastic force of the inner spring 4-9, and the guide screw 4-10 slides up and down along the sliding groove 4-12.
The top of the upper sleeve 4-8 is supported with a rectangular outer frame 4-4 through a support rod, the inner side of the outer frame 4-4 is provided with a rectangular inner frame 4-5, a drawing spring 4-3 is arranged between four angular positions of the outer frame 4-4 and the inner frame 4-5, and four edges of the inner frame 4-5 are provided with press rollers 4-2.
In this embodiment, the outer frame body 4-4 and the inner frame body 4-5 are both made of round steel by bending and closed-loop welding, inner lantern rings are arranged on the inner sides of four angular positions of the outer frame body 4-4, outer lantern rings are arranged on the outer sides of four angular positions of the inner frame body 4-5, hooks at two ends of the traction spring 4-3 are respectively hooked on the corresponding inner lantern ring and the outer lantern ring, so that the inner frame body 4-5 "floats" in the middle, and the cable 12 passes through a space between the four press rollers 4-2 when in use.
each compression roller 4-2 takes four frames of the inner frame body 4-5 as rotating shafts respectively, and in order to improve the flexibility of rotation, a bearing can be arranged between the compression roller 4-2 and the frame where the compression roller is located. The compression roller 4-2 is made of hard rubber materials, and anti-skid patterns are integrally formed on the surface of the compression roller.
Referring to fig. 2, it can be seen that: in this embodiment, the struts for supporting the outer frame 4-4 include a left strut 4-1 and a right strut 4-6, the middle upper portions of which are welded to the outer frame 4-4 and the middle lower portions of which are bent to be vertical. Two insertion holes 4-7 which extend along the axial direction and are circumferentially spaced by 180 degrees are arranged at the top of the upper sleeve 4-8, and the middle lower parts of the left supporting rod 4-1 and the right supporting rod 4-6 are respectively inserted into the two insertion holes 4-7. In this way the upper assembly of the upper sleeve 4-8 can be easily replaced, which usually corresponds to the construction of cables 12 of different diameters, when the diameter of the cable 12 increases, the upper assembly also needs to be replaced, normally the cable 12 should be supported by the two lower press rolls 4-2 without coming into contact with the two upper press rolls 4-2.
In this embodiment, a front insertion shaft 1 is mounted at the front middle position of the front chassis 7 by using a hinge 2, a rear bushing 11 is mounted at the rear middle position of the rear chassis 8, and the inner diameter of the rear bushing 11 is larger than the outer diameter of the front insertion shaft 1. Thus, a plurality of the protection devices can be used in series, and multi-point position supporting and guiding are formed on the moving path of the cable 12. The front inserting shaft 1 of the latter device can be inserted into the rear shaft sleeve 11 of the former device by lifting and then putting down, so that the plurality of devices can be connected in series in sequence.
In this embodiment, a plurality of positioning pin holes 7-2 are formed in the front end plate 7-1 of the front chassis 7, and a positioning bolt 8-2 is arranged at a corresponding position on the rear end plate 8-1 of the rear chassis 8, wherein the positioning bolt 8-2 is pinned in one of the positioning pin holes 7-2. The positioning bolts 8-2 and the positioning pin holes 7-2 are arranged to keep the device fixed at the position shown in fig. 3, the positioning pin holes 7-2 are positioned on the same arc with the center line of the central connecting shaft 5 as the center, and when the front part and the rear part of the device need to be arranged at different included angles, only the positioning bolts 8-2 need to be pulled out and inserted into another group of positioning pin holes 7-2 again.
The using method comprises the following steps:
Placing a plurality of the present devices on a moving path of the cable 12; inserting the front inserting shaft of the latter device into the rear shaft sleeve of the former device, and completing the series connection of a plurality of devices after sequential operation; adjusting the angle between two adjacent devices and the angle between the front part and the rear part of a single device according to the moving path of the cable; then adjusting the state of the supporting and guiding device 4 on the front slide rail 3 and the rear slide rail 6 of each device (including the transverse movement and the fixing operation along the slide rails); and then the cable 12 sequentially passes through the space between the four compression rollers 12 of the two supporting and guiding devices 4 of each device, and a traction tool is arranged at the front end of the cable 12 for traction, so that the supporting and guiding system formed by the device plays roles of supporting, guiding and protecting the cable 12.
Claims (8)
1. A protection device for laying power cables is characterized in that: the bicycle comprises a front chassis (7) with two front wheels (9) at the bottom and a rear chassis (8) with two rear wheels (10) at the bottom, wherein a triangular front end plate (7-1) extending backwards is arranged at the rear part of the front chassis (7), two triangular rear end plates (8-1) extending forwards are arranged at the front part of the rear chassis (8), and the front end plate (7-1) is embedded between the two rear end plates (8-1) and is hinged by a central connecting shaft (5); a front sliding rail (3) is mounted on the upper surface of the front chassis (7), a rear sliding rail (6) is mounted on the upper surface of the rear chassis (8), and supporting guide assemblies (4) are mounted on the front sliding rail (3) and the rear sliding rail (6);
The supporting and guiding assembly (4) comprises an upper sleeve (4-8) and an upright post (4-11), the upper end of the upright post (4-11) is inserted into the upper sleeve (4-8), an inner spring (4-9) is arranged in the upper sleeve (4-8) and above the upper end of the upright post (4-11), a sliding block (4-13) is arranged at the lower end of the upright post (4-11), a sliding groove (4-12) extending along the axial direction is arranged on the side wall of the upright post (4-11), a threaded hole is arranged on the side wall of the upper sleeve (4-8), a guiding screw (4-10) is arranged in the threaded hole, and the inner end of the guiding screw (4-10) is positioned in the sliding groove (4-12); the top of the upper sleeve (4-8) is supported with a rectangular outer frame body (4-4) through a support rod, the inner side of the outer frame body (4-4) is provided with a rectangular inner frame body (4-5), a drawing spring (4-3) is arranged between the four angular positions of the outer frame body (4-4) and the inner frame body (4-5), and four edges of the inner frame body (4-5) are provided with press rolls (4-2).
2. A protection device for electric power cabling according to claim 1, characterised in that: the outer frame body (4-4) and the inner frame body (4-5) are both made of round steel through bending and closed-loop welding, inner lantern rings are arranged on the inner sides of four angular positions of the outer frame body (4-4), outer lantern rings are arranged on the outer sides of the four angular positions of the inner frame body (4-5), and hooks at two ends of the traction spring (4-3) are respectively hooked on the corresponding inner lantern ring and the outer lantern ring.
3. A protection device for electric power cabling according to claim 2, characterized in that: the supporting rods for supporting the outer frame body (4-4) comprise a left supporting rod (4-1) and a right supporting rod (4-6), the middle upper parts of the left supporting rod and the right supporting rod are welded and fixed with the outer frame body (4-4), and the middle lower parts of the left supporting rod and the right supporting rod are bent into a vertical state; two insertion holes (4-7) which extend along the axial direction and are circumferentially spaced by 180 degrees are formed in the top of the upper sleeve (4-8), and the middle lower parts of the left supporting rod (4-1) and the right supporting rod (4-6) are respectively inserted into the two insertion holes (4-7).
4. A protection device for electric power cabling according to claim 3, characterised in that: a front inserting shaft (1) is arranged at the middle position of the front part of the front chassis (7) by adopting a hinge (2), and a rear shaft sleeve (11) is arranged at the middle position of the rear part of the rear chassis (8).
5. Protection device for electric power cabling according to claim 4, characterized in that: a plurality of positioning pin holes (7-2) are formed in a front end plate (7-1) of the front chassis (7), a positioning bolt (8-2) is arranged at a corresponding position on a rear end plate of the rear chassis (8), and the positioning bolt (8-2) is pinned in one positioning pin hole (7-2).
6. Protection device for electric power cabling according to claim 4, characterized in that: the central connecting shaft (5) comprises a straight shaft section at the middle part, external threads are arranged at the upper end and the lower end of the straight shaft section, the straight shaft section is arranged in shaft holes in the front end plate (7-1) and the rear end plate (8-1) in a penetrating mode, and nuts are arranged on the external threads at the upper end and the lower end.
7. Protection device for electric power cabling according to claim 4, characterized in that: a plurality of threaded holes which are transversely penetrated are formed in the side part of the front sliding rail (3), and a front fastening screw (3-1) is arranged in each threaded hole; a plurality of threaded holes which are transversely communicated are arranged on the side part of the rear sliding rail (6), and rear fastening screws (6-1) are arranged in the threaded holes.
8. protection device for electric power cabling according to claim 4, characterized in that: the front wheels (9) and the rear wheels (10) are selected as wheels with brakes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884209.7U CN209805262U (en) | 2019-06-12 | 2019-06-12 | Protection device for laying power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884209.7U CN209805262U (en) | 2019-06-12 | 2019-06-12 | Protection device for laying power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209805262U true CN209805262U (en) | 2019-12-17 |
Family
ID=68833584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920884209.7U Expired - Fee Related CN209805262U (en) | 2019-06-12 | 2019-06-12 | Protection device for laying power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209805262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313312A (en) * | 2020-03-03 | 2020-06-19 | 福建江隆水利水电工程有限公司 | Cable sheath protection device and protection method in electric power construction process |
-
2019
- 2019-06-12 CN CN201920884209.7U patent/CN209805262U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313312A (en) * | 2020-03-03 | 2020-06-19 | 福建江隆水利水电工程有限公司 | Cable sheath protection device and protection method in electric power construction process |
| CN111313312B (en) * | 2020-03-03 | 2021-03-05 | 福建江隆水利水电工程有限公司 | Cable sheath protection device and protection method in electric power construction process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20200612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |