A lightweight thin-walled assembled cable trench

Abstract

The present invention relates to the technical field of power infrastructure, specifically to a lightweight, thin-walled assembled cable trench, which solves the problems that the existing assembled cable trenches are prefabricated and assembled in sections during application, which makes it inconvenient to transport and assemble the cable trench in parts, and the cable trench wall thickness is too large during assembly, resulting in a large deadweight, and it is inconvenient to seal the cable trench joints and the trench. A lightweight, thin-walled assembled cable trench comprises a thin-walled combined trench mechanism and a separating sealing cover mechanism, wherein a separating sealing cover mechanism is installed at the upper end of the thin-walled combined trench mechanism, and the thin-walled combined trench mechanism comprises a first combined trench, and a second combined trench is installed on one side of the first combined trench. The present invention can effectively reduce the difficulty of transportation and assembly by connecting panels and assembling the cable trench in sections, while controlling the wall thickness can reduce production costs, and can seal the assembly joints to prevent water seepage and the spread of water accumulation in the cable trench.

Description

Technical Field

[0001] The invention relates to the technical field of electric power infrastructure, in particular to a lightweight, thin-walled assembled cable trench. Background Art

[0002] With the popularization of power facilities, the demand for cables is increasing. As the use of cables increases, the use of cable trenches for concealed installation of cables has also increased. Cable trenches are underground pipelines used to lay and replace power or telecommunication cable facilities. They are also the enclosure structures of the laid cable facilities. There are rectangular, circular, arched and other pipeline structures. The centralized installation of cables in cable trenches can facilitate the construction and maintenance of cables. Among them, prefabricated cable trenches can effectively reduce the difficulty and quality of on-site concrete pouring and improve construction efficiency.

[0003] The existing assembled cable trenches are prefabricated and assembled in sections during use, which is not convenient for transportation and assembly of the cable trenches in parts. The cable trench wall thickness is too large during assembly, resulting in a large deadweight, and it is not convenient to seal the joints and the inside of the cable trench. Therefore, it does not meet the existing needs. We have proposed a lightweight, thin-walled assembled cable trench. Summary of the invention

[0004] The object of the present invention is to provide a lightweight, thin-walled assembled cable trench to solve the problems mentioned in the above background technology that the existing assembled cable trenches are prefabricated and assembled in sections during use, which makes it inconvenient to transport and assemble the cable trench in parts, the wall thickness of the assembled cable trench is too large, resulting in a large dead weight, and it is inconvenient to seal the joints of the cable trench and the inside of the trench.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a lightweight, thin-walled assembled cable trench, comprising a thin-walled combined trench mechanism and a separating sealing cover mechanism, a separating sealing cover mechanism being installed at the upper end of the thin-walled combined trench mechanism, the thin-walled combined trench mechanism comprising a first combined trench, a second combined trench being installed on one side of the first combined trench, end sealing strips being fixedly provided at both ends of the first combined trench and the second combined trench, a plurality of positioning cross bars being installed on the inner sides of the first combined trench and the second combined trench, a cable rack mounting mechanism being installed on one side of the positioning cross bars, a center follower sealing plate being installed on the outer sides of the first combined trench and the second combined trench on the adjacent sides, two elastic corrugated plates being installed at the two ends of the two center follower sealing plates, a connecting rod being installed between the two center follower sealing plates, two movable sealing plates being rotatably connected to the inner side of the connecting rod, a transmission seat being rotatably connected to the middle part of one of the movable sealing plates, and an adjusting rod being installed on the inner side of the upper end of the transmission seat.

[0006] Preferably, the separating sealing cover mechanism includes a first sliding cover, one side of the first sliding cover is slidably connected to a second sliding cover, a plurality of sealing strips are provided between the first sliding cover and the second sliding cover, a plurality of vertical connecting strips are installed on the lower end surfaces of the first sliding cover and the second sliding cover, and a separating cross plate is fixedly installed on the bottom end of the vertical connecting strip.

[0007] Preferably, the cable rack mounting mechanism includes a U-shaped supporting square tube, the U-shaped supporting square tube is fixedly connected to the first combined groove and the second combined groove, both ends of the U-shaped supporting square tube are installed with positioning mounting seats, and three cable mounting seats are fixedly installed on one side of each positioning mounting seat, and the upper end surface of the cable mounting seat is provided with a waist-shaped adjustment hole, the inner side of the waist-shaped adjustment hole is slidably connected to a limited arc seat, a guide rod is provided on one side of the bottom end of the limited arc seat, and a support spring is provided on the outer side of one end of the guide rod.

[0008] Preferably, the first combination groove and the second combination groove are both composed of three thin plates, and the three thin plates are fixedly connected by a plurality of U-shaped supporting square tubes, wherein two of the thin plates are fixedly connected to a plurality of positioning cross bars, and a slot is provided on the lower end surface of the separating cross plate, and the positioning cross bar is inserted into the inner side of the slot.

[0009] Preferably, the first sliding cover, the second sliding cover and the six thin plates are all cast by concrete, the second sliding cover is provided with a groove on one side close to the first sliding cover, the sealing strip is arranged on the inner side of the groove, and the first sliding cover is connected to the second sliding cover by a plurality of sealing strips.

[0010] Preferably, the first combined groove and the second combined groove are both fixedly connected to the central follower sealing plate, the upper and lower ends of the movable sealing plate are rotationally connected to the central follower sealing plate and the connecting rod through pins, and the connecting rod slides vertically back and forth along the axis of the adjusting rod.

[0011] Preferably, the bottom end of the adjusting rod passes through one of the central follower sealing plates and is rotatably connected to the upper end of the transmission seat, the adjusting rod and the central follower sealing plate are connected by threads, and the two ends of the two central follower sealing plates are connected by two elastic corrugated plates.

[0012] Preferably, the first sliding cover and the second sliding cover are fixedly connected to a plurality of partition cross plates via vertical connecting strips, the number of the vertical connecting strips, partition cross plates and U-shaped supporting square tubes are consistent, and the partition cross plates are in close contact with the U-shaped supporting square tubes.

[0013] Preferably, both ends of each of the U-shaped supporting square tubes are fixedly connected to the six cable mounting seats via positioning mounting seats, the bottom end of the limiting arc seat passes through the waist-shaped adjustment hole and is fixedly connected to the guide rod, the limiting arc seat is slidably connected to the cable mounting seat, and the guide rod is connected to the cable mounting seat via a supporting spring.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In the present invention, the first combined groove and the second combined groove are both formed by splicing three thin plates, and the first sliding cover, the second sliding cover and the six thin plates are all cast by concrete. The three thin plates constituting the first combined groove and the second combined groove can be fixed by the U-shaped supporting square tube, so that the use of the cable trench is stable, and the cable trench is easy to be assembled, thereby reducing the production cost and transportation difficulty. The rotation of the adjusting rod can drive the two movable cover plates to rotate in opposite directions relative to the connecting rod through the transmission seat, thereby meeting the installation requirements for trenches of different sizes;

[0016] 2. The present invention uses the first sliding cover and the second sliding cover to perform follow-up protection, and can seal the first sliding cover and the second sliding cover with a plurality of sealing strips, and seals the first combination groove and the second combination groove through the movable sealing plate, the first sliding cover and the second sliding cover. The end sealing strip and the elastic corrugated plate can seal the ends of the two thin-walled combination groove mechanisms when they are spliced, thereby meeting the adjustment of the overall installation width size while maintaining the sealing effect;

[0017] 3. The present invention can perform segmented separation treatment in the cable trench through the dividing horizontal plate, which can effectively prevent the spread of accumulated water in the cable trench and reduce the difficulty of removing silt. Under the action of the supporting spring, the guide rod drives the limiting arc seat to slide on the inner side of the cable mounting seat and realize automatic cable contraction, thereby maintaining the stability of the cable installation and effectively avoiding the situation where the cable trench water level is too high and the cable is impacted and scattered. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the cable trench assembly of the present invention;

[0019] Figure 2 A front view of the present invention as a whole;

[0020] Figure 3 is a schematic cross-sectional structure diagram of the second combined groove of the present invention;

[0021] Figure 4 It is a schematic cross-sectional structure diagram of the present invention as a whole;

[0022] Figure 5It is a schematic diagram of the installation structure of the cable rack installation mechanism of the present invention;

[0023] Figure 6 It is a schematic diagram of a partial cross-sectional structure of the thin-walled combined groove mechanism of the present invention;

[0024] Figure 7 For the present invention Figure 4 A schematic diagram of the cross-section of the enlarged structure of the middle A area;

[0025] Figure 8 It is a structural schematic diagram of the cable rack installation mechanism of the present invention;

[0026] Fig. 9 It is a partial cross-sectional structural schematic diagram of the cable rack installation mechanism of the present invention.

[0027] In the figure: 1. Thin-walled combined groove mechanism; 101. First combined groove; 102. Second combined groove; 103. End sealing strip; 104. Center follow-up sealing plate; 105. Elastic corrugated plate; 106. Positioning cross bar; 107. Movable sealing plate; 108. Connecting rod; 109. Adjusting rod; 110. Transmission seat; 2. Partition sealing cover mechanism; 201. First sliding cover; 202. Second sliding cover; 203. Sealing strip; 204. Vertical connecting strip; 205. Partition cross plate; 3. Cable rack installation mechanism; 301. U-shaped supporting square tube; 302. Positioning mounting seat; 303. Cable mounting seat; 304. Limiting arc seat; 305. Waist-shaped adjustment hole; 306. Guide rod; 307. Support spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] See also Figures 1 to 7 The present invention provides an embodiment: a lightweight thin-walled assembled cable trench, comprising a thin-walled combined trench mechanism 1 and a separation sealing cover mechanism 2, the upper end of the thin-walled combined trench mechanism 1 is provided with a separation sealing cover mechanism 2, the thin-walled combined trench mechanism 1 comprises a first combined trench 101, a second combined trench 102 is provided on one side of the first combined trench 101, both ends of the first combined trench 101 and the second combined trench 102 are fixedly provided with end sealing strips 103, and the end sealing strips 103 can be used to seal the ends of the two thin-walled combined trench mechanisms 1 when they are spliced;

[0030] A plurality of positioning horizontal bars 106 are installed on the inner side of the first combined groove 101 and the second combined groove 102. The first combined groove 101 and the second combined groove 102 are fixedly connected to the central follower sealing plate 104. The two ends of the two central follower sealing plates 104 are connected by two elastic corrugated plates 105. The outer side of the first combined groove 101 and the second combined groove 102 near one side is installed with a central follower sealing plate 104. Two elastic corrugated plates 105 are installed at both ends of the two central follower sealing plates 104. The elastic corrugated plates 105 can keep the cable groove sealed in the middle during assembly;

[0031] A connecting rod 108 is installed between the two center follower sealing plates 104, and the inner side of the connecting rod 108 is rotatably connected to two movable sealing plates 107, and the middle part of one of the movable sealing plates 107 is rotatably connected to a transmission seat 110, and an adjusting rod 109 is installed on the inner side of the upper end of the transmission seat 110, and the upper and lower ends of the movable sealing plate 107 are rotatably connected to the center follower sealing plate 104 and the connecting rod 108 through pins, and the connecting rod 108 slides vertically back and forth along the axis of the adjusting rod 109, and the bottom end of the adjusting rod 109 passes through one of the center follower sealing plates 104 and is rotatably connected to the upper end of the transmission seat 110, and the adjusting rod 109 is threadedly connected to the center follower sealing plate 104, and the rotation of the adjusting rod 109 can drive the two movable sealing plates 107 to rotate in opposite directions relative to the connecting rod 108 through the transmission seat 110, thereby being able to meet the installation requirements of grooves of different sizes.

[0032] See also Figures 1 to 4 The separation sealing cover mechanism 2 includes a first sliding cover 201, a second sliding cover 202 is slidably connected to one side of the first sliding cover 201, a plurality of sealing strips 203 are arranged between the first sliding cover 201 and the second sliding cover 202, a groove is arranged on one side of the second sliding cover 202 close to the first sliding cover 201, and the sealing strip 203 is arranged on the inner side of the groove, and the first sliding cover 201 and the second sliding cover 202 are connected through the plurality of sealing strips 203;

[0033] The lower end surfaces of the first sliding cover 201 and the second sliding cover 202 are both installed with multiple vertical connecting strips 204, and the bottom ends of the vertical connecting strips 204 are fixedly installed with partition cross plates 205. The lower end surfaces of the partition cross plates 205 are provided with slots, and the positioning cross bars 106 are plugged into the inner sides of the slots. The first sliding cover 201 and the second sliding cover 202 are fixedly connected to the multiple partition cross plates 205 via the vertical connecting strips 204, and the first sliding cover 201 and the second sliding cover 202 can be sealed via multiple blocking strips 203.

[0034] See also Figure 2 , Figure 8 and Fig. 9, a cable rack installation mechanism 3 is installed on one side of the positioning horizontal bar 106, and the cable rack installation mechanism 3 includes a U-shaped supporting square tube 301, the U-shaped supporting square tube 301 is fixedly connected to the first combined groove 101 and the second combined groove 102, the number of vertical connecting strips 204, the dividing horizontal plate 205 and the U-shaped supporting square tube 301 is the same, the dividing horizontal plate 205 is in close contact with the U-shaped supporting square tube 301, and positioning mounting seats 302 are installed at both ends of the U-shaped supporting square tube 301, and three cable mounting seats 303 are fixedly installed on one side of each positioning mounting seat 302, and the two ends of each U-shaped supporting square tube 301 are fixedly connected to the six cable mounting seats 303 through the positioning mounting seats 302, and the upper end surface of the cable mounting seat 303 is provided with a waist-shaped adjustment hole 305, and the inner side of the waist-shaped adjustment hole 305 is slidably connected to the limited arc seat 304, and the cable can be limited by the limited arc seat 304 to prevent the cable from being separated from the cable mounting seat 303;

[0035] The bottom end of the limiting arc seat 304 passes through the waist-shaped adjustment hole 305 and is fixedly connected to the guide rod 306. The limiting arc seat 304 is slidably connected to the cable mounting seat 303. The guide rod 306 and the cable mounting seat 303 are connected through a support spring 307. A guide rod 306 is provided on one side of the bottom of the limiting arc seat 304, and a support spring 307 is provided on the outer side of one end of the guide rod 306. Under the action of the support spring 307, the guide rod 306 drives the limiting arc seat 304 to slide on the inner side of the cable mounting seat 303 and automatically gather the cables, thereby maintaining the stability of the cable installation.

[0036] Among them, the first combined groove 101 and the second combined groove 102 are both composed of three thin plates, and the three thin plates are fixedly connected by multiple U-shaped supporting square tubes 301, two of which are fixedly connected to multiple positioning horizontal bars 106, and the first sliding cover 201, the second sliding cover 202 and the six thin plates are all cast by concrete, which is convenient for assembling the cable trench and reducing production costs and transportation difficulties.

[0037] In summary, the first combined groove 101 and the second combined groove 102 are both formed by splicing three thin plates, and the first sliding cover 201, the second sliding cover 202 and the six thin plates are cast and formed by concrete, so that the first combined groove 101, the second combined groove 102, the first sliding cover 201 and the second sliding cover 202 overlap each other to form a cable trench. Specifically, a plurality of U-shaped supporting square tubes 301 are installed on the inner sides of the first combined groove 101 and the second combined groove 102, so that the three thin plates constituting the first combined groove 101 and the second combined groove 102 can be fixed by the U-shaped supporting square tubes 301, so as to keep the use of the cable trench stable, facilitate the assembly treatment of the cable trench, and reduce the production cost and transportation difficulty;

[0038] The first combined groove 101 and the second combined groove 102 are fixedly connected with the two central follower sealing plates 104, and the first sliding cover 201 is slidably connected with the second sliding cover 202. The adjusting rod 109 is adjusted according to the installation width of the cable trench. The bottom end of the adjusting rod 109 passes through one of the central follower sealing plates 104 and is rotatably connected with the transmission seat 110. The adjusting rod 109 is connected with one of the central follower sealing plates 104 by threads. The rotation of the adjusting rod 109 can drive the two movable sealing plates 107 to rotate in opposite directions relative to the connecting rod 108 through the transmission seat 110, thereby meeting the installation requirements for grooves of different sizes.

[0039] At the same time, the first sliding cover 201 and the second sliding cover 202 are used for follow-up protection, and the first sliding cover 201 and the second sliding cover 202 can be sealed by multiple sealing strips 203, and the two ends of the two central follow-up sealing plates 104 are connected by two elastic corrugated plates 105, so that the first combination groove 101 and the second combination groove 102 can be sealed by the movable sealing plate 107, the first sliding cover 201 and the second sliding cover 202, and the end sealing strips 103 and the elastic corrugated plates 105 can be used to seal the ends of the two thin-walled combination groove mechanisms 1 when splicing, so as to meet the overall installation width adjustment while maintaining the sealing effect.

[0040] The first sliding cover 201 and the second sliding cover 202 are fixedly connected to a plurality of partitioning transverse plates 205 by means of the vertical connecting strips 204, so that the cable trench can be segmented by the partitioning transverse plates 205, which can effectively prevent the spread of accumulated water in the cable trench and reduce the difficulty of removing silt. The cable is placed on the upper end surface of the cable mounting seat 303, so that under the action of the supporting spring 307, the guide rod 306 drives the limiting arc seat 304 to slide on the inner side of the cable mounting seat 303 and realize automatic cable bundling, thereby maintaining the stability of the cable installation and effectively preventing the cable trench from being scattered due to the impact caused by the high water level in the cable trench.

[0041] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A lightweight, thin-walled assembled cable trench, comprising a thin-walled combined trench mechanism (1) and a partition sealing cover mechanism (2), characterized in that: A partition sealing cover mechanism (2) is installed at the upper end of the thin-walled combined groove mechanism (1), the thin-walled combined groove mechanism (1) comprises a first combined groove (101), a second combined groove (102) is installed on one side of the first combined groove (101), end sealing strips (103) are fixedly provided at both ends of the first combined groove (101) and the second combined groove (102), a plurality of positioning cross bars (106) are installed on the inner sides of the first combined groove (101) and the second combined groove (102), a cable rack installation mechanism (3) is installed on one side of the positioning cross bars (106), and the A central follower sealing plate (104) is installed on the outside of the first combined groove (101) and the second combined groove (102) on the side close to each other, two elastic corrugated plates (105) are installed at both ends of the two central follower sealing plates (104), a connecting rod (108) is installed between the two central follower sealing plates (104), the inner side of the connecting rod (108) is rotatably connected to two movable sealing plates (107), the middle part of one of the movable sealing plates (107) is rotatably connected to a transmission seat (110), and an adjusting rod (109) is installed on the inner side of the upper end of the transmission seat (110); The partition sealing cover mechanism (2) comprises a first sliding cover (201), one side of the first sliding cover (201) is slidably connected to a second sliding cover (202), the lower end surfaces of the first sliding cover (201) and the second sliding cover (202) are both installed with a plurality of vertical connecting strips (204), and the bottom ends of the vertical connecting strips (204) are fixedly installed with partitioning transverse plates (205); The cable rack installation mechanism (3) comprises a U-shaped supporting square tube (301); The first combined groove (101) and the second combined groove (102) are both composed of three thin plates, and the three thin plates are fixedly connected by a plurality of U-shaped supporting square tubes (301), wherein two of the thin plates are fixedly connected to a plurality of positioning cross bars (106), and a slot is provided on the lower end surface of the partitioning cross plate (205), and the positioning cross bar (106) is plugged into the inner side of the slot.

2. A lightweight, thin-walled assembled cable trench according to claim 1, characterized in that: A plurality of sealing strips (203) are provided between the first sliding cover (201) and the second sliding cover (202).

3. A lightweight, thin-walled assembled cable trench according to claim 2, characterized in that: The U-shaped supporting square tube (301) is fixedly connected to the first combined groove (101) and the second combined groove (102); positioning mounting seats (302) are installed at both ends of the U-shaped supporting square tube (301); three cable mounting seats (303) are fixedly installed on one side of each positioning mounting seat (302); a waist-shaped adjustment hole (305) is provided on the upper end surface of the cable mounting seat (303); the inner side of the waist-shaped adjustment hole (305) is slidably connected to a limited arc seat (304); a guide rod (306) is provided on one side of the bottom end of the limited arc seat (304); and a support spring (307) is provided on the outer side of one end of the guide rod (306).

4. A lightweight, thin-walled assembled cable trench according to claim 2, characterized in that: The first sliding cover (201), the second sliding cover (202) and the six thin plates are all cast by concrete, and a groove is provided on a side of the second sliding cover (202) close to the first sliding cover (201), and the sealing strip (203) is arranged on the inner side of the groove, and the first sliding cover (201) and the second sliding cover (202) are connected via a plurality of sealing strips (203).

5. A lightweight, thin-walled assembled cable trench according to claim 1, characterized in that: The first combined groove (101) and the second combined groove (102) are both fixedly connected to the central follower sealing plate (104), and the upper and lower ends of the movable sealing plate (107) are rotatably connected to the central follower sealing plate (104) and the connecting rod (108) via pins, and the connecting rod (108) slides vertically back and forth along the axis of the adjustment rod (109).

6. A lightweight, thin-walled assembled cable trench according to claim 1, characterized in that: The bottom end of the adjusting rod (109) passes through one of the central follower sealing plates (104) and is rotatably connected to the upper end of the transmission seat (110); the adjusting rod (109) is connected to the central follower sealing plate (104) via threads; and the two ends of the two central follower sealing plates (104) are connected via two elastic corrugated plates (105).

7. A lightweight, thin-walled assembled cable trench according to claim 3, characterized in that: The first sliding cover (201) and the second sliding cover (202) are fixedly connected to a plurality of partition transverse plates (205) via vertical connecting strips (204); the number of the vertical connecting strips (204), the partition transverse plates (205) and the U-shaped supporting square tubes (301) are the same; and the partition transverse plates (205) are in close contact with the U-shaped supporting square tubes (301).

8. A lightweight, thin-walled assembled cable trench according to claim 3, characterized in that: Both ends of each U-shaped supporting square tube (301) are fixedly connected to the six cable mounting seats (303) via a positioning mounting seat (302); the bottom end of the limiting arc seat (304) passes through a waist-shaped adjustment hole (305) and is fixedly connected to a guide rod (306); the limiting arc seat (304) is slidably connected to the cable mounting seat (303); and the guide rod (306) is connected to the cable mounting seat (303) via a supporting spring (307).

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