CN211104619U - Prefabricated assembled cable pit preparation mould and cable pit of preparation thereof - Google Patents

Abstract

The utility model relates to a prefabricated assembled cable pit preparation mould and cable pit of preparation thereof. The manufacturing mold comprises an inner top plate, a left inner side plate, a right inner side plate, a left bottom plate, a right bottom plate, a left outer side plate, a right outer side plate, a front panel, a back panel and an outer top plate. A left height control plate with adjustable height is arranged above the left bottom plate, and a right height control plate with adjustable height is arranged above the right bottom plate; the outer top plate is provided with a grouting hole; and the inner top plate is provided with a bulge. The cable trench comprises a plurality of sequentially connected cable trench monomers, and each cable trench monomer comprises a cushion layer, a trench bottom plate, a left trench wall, a right trench wall and a trench cover plate; the top of the ditch bottom plate is V-shaped, and a drainage groove is arranged in the middle of the top of the ditch bottom plate. Prefabricated assembled cable pit preparation mould can make the cable pit of multiple specification, the cable pit of this preparation mould preparation can avoid the ponding problem, the cable of laying in avoiding the cable pit is impaired because of soaking.

Description

Prefabricated assembled cable pit preparation mould and cable pit of preparation thereof

Technical Field

The utility model relates to a transformer substation's electric power facility technical field, concretely relates to prefabricated assembled cable pit preparation mould and cable pit of preparation thereof.

Background

The cable trench belongs to one of important infrastructures of a transformer substation, and is usually arranged in the open air, a cover plate is arranged at the top, a trench body is buried below the ground surface shallowly, and cables are laid inside the trench. The traditional cable trench adopts a brick masonry structure or a cast-in-place concrete structure, and has the defects of long construction period, high labor consumption, difficulty in ensuring construction precision and the like.

With the rapid development of building industrialization in China, the construction of an assembled transformer substation is advocated by national power grid companies, and in order to realize the concepts of standardized design, industrialized processing and modular construction, the assembled cable trench is popularized and applied, so that the field wet operation is effectively reduced, the mechanical construction efficiency is improved, the labor input is reduced, and the construction period is shortened. However, the construction process of the assembled cable trench is factory prefabrication, and a section of cable trench monomer is spliced on site. The factory is convenient for mass production, only adopts a mould and can not adjust usually, and the prefabricated cable pit monomer specification that leads to producing is the same, after a plurality of monomers assemble into a whole, does not have the slope along the vertical of cable pit. Because the cable trench is often arranged in outdoor open-air environment, and the cover plate can not realize complete sealing, the traditional assembled cable trench is easy to accumulate water under the rain and snow weather conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated assembled cable pit preparation mould and cable pit of preparation thereof, this prefabricated assembled cable pit preparation mould can make the cable pit of multiple specification, and ponding problem can be avoided to the cable pit of this preparation mould preparation, and the cable of laying in avoiding the cable pit is impaired because of soaking.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a prefabricated assembly type cable trench manufacturing die comprises an inner top plate, a left inner side plate, a right inner side plate, a left bottom plate, a right bottom plate, a left outer side plate, a right outer side plate, a front face plate, a back face plate and an outer top plate, wherein the inner top plate is obliquely arranged, the left inner side plate and the right inner side plate are respectively arranged below the left end and the right end of the inner top plate, the left bottom plate is arranged outside the lower end of the left inner side plate, the right bottom plate is arranged outside the lower end of the right inner side plate, the left outer side plate is rotatably connected with the outer end of the left bottom plate at the lower end, the right outer side plate is rotatably connected with the outer; a left height control plate with adjustable height is arranged above the left bottom plate, and a right height control plate with adjustable height is arranged above the right bottom plate; the outer top plate is provided with a grouting hole; and the inner top plate is provided with a bulge.

Further, a left height adjusting mechanism is arranged between the left bottom plate and the left height control plate, and a right height adjusting mechanism is arranged between the right bottom plate and the right height control plate; the left height adjusting mechanism and the right height adjusting mechanism have the same structure and respectively comprise an upper sleeve, a screw rod and a lower sleeve which are sequentially connected; the upper sleeve and the lower sleeve are both provided with internal threads, and the screw rod is provided with external threads.

Furthermore, a cover plate is movably connected to the grouting hole. Because the cable pit is bulky, a hole slip casting can lead to the inside concrete of mould not to be full, and it is empty to have the interior, influences the prefab quality, consequently, the utility model discloses set up two slip casting holes, from the slip casting at mould both ends, the mould is filled with more easily to the concrete, and closely knit degree is high. The cover plates are arranged on the two grouting holes, and the cover plates are covered after grouting is finished.

Furthermore, the front panel and the left bottom plate, the front panel and the right bottom plate, the left outer side plate and the left bottom plate, the right outer side plate and the right bottom plate, the back panel and the left bottom plate, and the back panel and the right bottom plate are connected through a rotating mechanism; the rotating mechanism comprises a first fixing piece, a second fixing piece and a rotating shaft which is respectively connected with the first fixing piece and the second fixing piece in a rotating mode.

Furthermore, the front panel is detachably connected with the left outer side plate; the front panel is detachably connected with the right outer side plate; the front panel is detachably connected with the left inner side plate; the front panel is detachably connected with the right inner side panel; the back panel is detachably connected with the left outer side plate; the back panel is detachably connected with the right outer side panel; the back panel is detachably connected with the left inner side plate; a front panel and a right inner side panel.

Furthermore, grooves matched with the protrusions are formed in the inner walls of the tops of the front panel and the back panel.

Further, the inner top plate, the outer top plate, the left outer side plate, the left inner side plate, the right outer side plate, the right inner side plate, the left bottom plate, the right bottom plate, the front panel and the back panel are all made of steel plates.

The utility model also relates to a cable trench made by adopting the above manufacturing mould, which comprises a plurality of cable trench monomers connected in sequence, wherein each cable trench monomer comprises a cushion layer, a trench bottom plate arranged at the top of the cushion layer, a left trench wall and a right trench wall symmetrically arranged above two ends of the trench bottom plate, and a trench cover plate arranged above the left trench wall and the right trench wall; the top of ditch bottom plate is the V style of calligraphy, and is equipped with the water drainage tank that suits with protruding in the middle of the top of ditch bottom plate.

Furthermore, the included angle between the water drainage groove and the horizontal plane is an acute angle.

Furthermore, adjacent cable trench monomers are connected through male and female tenons.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) preparation mould, can highly adjust the ditch wall when making the cable pit to realize the free mass production of many specifications cable pit, simplified the production procedure, make the function that originally needs multiple mould could realize just can realize through a mould, effectively saved mould manufacturing cost.

(2) The utility model discloses a prefabricated cable pit monomer to multiple specification carries out vertical concatenation installation, has formed the assembled cable pit that has vertical drainage slope, has realized the rainwater along the vertical function that collects of cable pit, has solved the ponding problem of traditional assembled cable pit ubiquitous, has effectively avoided taking place to damage because of the cable that ponding leads to laying in the cable pit.

Drawings

FIG. 1 is a schematic structural view of a mold for manufacturing the present invention;

FIG. 2 is a schematic view of the expanded structure of the mold of the present invention;

FIG. 3 is a schematic structural view of the left height adjustment mechanism and the right height adjustment mechanism of the present invention;

fig. 4 is a schematic structural diagram of a rotating mechanism in the present invention;

fig. 5 is a front view of the cable trench of the present invention;

fig. 6 is a side view of the cable trench of the present invention.

Wherein:

1. outer top plate, 2, left outer side plate, 3, right outer side plate, 4, front plate, 5, left bottom plate, 6, right bottom plate, 7, left inner side plate, 8, right inner side plate, 9, inner top plate, 10, left height control plate, 11, left height adjusting mechanism, 12, right height control plate, 13, rotating mechanism, 14, grouting hole, 16, protrusion, 17, back plate, 18, groove, 19, right height adjusting mechanism, 20, upper sleeve, 21, screw, 22, lower sleeve, 23, fixing piece one, 24, fixing piece two, 25, rotating shaft, 26, cushion layer, 27, groove bottom plate, 28, left groove wall, 29, right groove wall, 30, drainage groove, 31, groove cover plate.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

a prefabricated cable trench manufacturing mold as shown in fig. 1-2, which comprises an inner top plate 9 arranged obliquely, a left inner side plate 7 and a right inner side plate 8 respectively arranged below the left end and the right end of the inner top plate 9, a left bottom plate 5 arranged outside the lower end of the left inner side plate 7, a right bottom plate 6 arranged outside the lower end of the right inner side plate 8, a left outer side plate 2 with the lower end rotatably connected with the outer end of the left bottom plate 5, a right outer side plate 3 with the lower end rotatably connected with the outer end of the right bottom plate 6, a front plate 4 with the lower end rotatably connected with the front ends of the left bottom plate 5 and the right bottom plate 6, a back plate 17 with the lower end rotatably connected with the rear ends of the left bottom plate 5 and the right bottom plate 6, and an outer top plate 1 arranged above; a left height control plate 10 with adjustable height is installed above the left bottom plate 5, and a right height control plate 12 with adjustable height is installed above the right bottom plate 6. And the outer top plate is provided with a grouting hole. The inner top plate 9 is provided with a bulge 16, and the bulge 16 corresponds to the drainage groove on the cable trench. The bulge 16 is used for manufacturing the shape of the drainage channel. The left outer side plate and the right outer side plate are right-angled trapezoids with the same structure, the inclined edges of the right outer side plate are located at the top, and the right outer side plate is low in front and high in back. The left outer side plate, the right outer side plate, the left bottom plate, the right bottom plate, the front panel, the back panel, the left inner side plate, the right inner side plate and the inner top plate enclose a cavity as shown in figure 1, and the outer top plate covers the cavity, so that a sealed concave cavity is enclosed.

Further, a left height adjusting mechanism 11 is arranged between the left bottom plate 5 and the left height control plate 10, and a right height adjusting mechanism 19 is arranged between the right bottom plate 6 and the right height control plate 12. Each height control board is equipped with 2 height control mechanism supports, arranges respectively at the both ends of height control board, and is more stable after the height-adjusting like this. As shown in fig. 3, the left height adjusting mechanism 11 and the right height adjusting mechanism 19 have the same structure, and each includes an upper sleeve 20, a screw 21 and a lower sleeve 22 connected in sequence; the upper sleeve 20 and the lower sleeve 22 are both provided with internal threads, and the screw rod 21 is provided with external threads. The top of the upper sleeve is fixed at the bottom of the left height control plate or the right height control plate, and the bottom of the lower sleeve is fixed at the top of the left bottom plate or the right bottom plate. The upper end and the lower end of the screw rod respectively extend into the upper sleeve and the lower sleeve. The left height adjusting mechanism 11 and the height adjusting mechanism 19 are respectively used for adjusting the height of the left height control plate 10 and the height of the right height control plate 12. The external thread on the screw rod and the internal thread on the upper sleeve and the lower sleeve are matched, and the height of the whole height adjusting mechanism can be adjusted by rotating the screw rod, so that the positions of the left height control plate and the right height control plate are changed. The left height control plate and the right height control plate are different in position, and the height of the poured trench wall is different.

Further, a cover plate 15 is movably connected to the grouting hole 14. And the grouting hole is used for pouring concrete into the cavity. And the cover plate 15 is used for plugging the grouting hole after grouting is finished.

Further, the space between the front panel 4 and the left bottom plate 5, the space between the front panel 4 and the right bottom plate 6, the space between the left outer panel 2 and the left bottom plate 5, the space between the right outer panel 3 and the right bottom plate 6, the space between the back panel 17 and the left bottom plate 5, and the space between the back panel 17 and the right bottom plate 6 are all connected through the rotating mechanism 13; as shown in fig. 4, the rotating mechanism 13 includes a first fixing piece 23, a second fixing piece 24, and a rotating shaft 25 rotatably connected to the first fixing piece 23 and the second fixing piece 24, respectively. The first fixing sheet and the second fixing sheet can rotate around the rotating shaft. The rotary mechanism plays a role in connection, and the left outer side plate, the right outer side plate, the front panel and the back panel can be unfolded and folded by the aid of the rotary mechanism, so that the left height control panel and the position with the height control panel can be adjusted conveniently.

Further, the front panel 4 is detachably connected with the left outer side plate 2; the front panel 4 is detachably connected with the right outer side plate 3; the front panel 4 is detachably connected with the left inner side plate 7; the front panel 4 is detachably connected with the right inner side panel 8; the back panel 17 is detachably connected with the left outer side plate 2; the back panel 17 is detachably connected with the right outer side plate 3; the back panel 17 is detachably connected with the left inner side plate 7; a front panel 4 and a right inner panel 8. The two adjacent plates are detachably connected by bolts, so that each plate forms a fixed sealed cavity. And injecting concrete into the sealed cavity from the grouting hole, vibrating, and then plugging the grouting hole by using a cover plate. And after the concrete in the sealed cavity is condensed, disassembling each bolt, unfolding each plate, and finishing demoulding.

Furthermore, the top inner walls of the front panel 4 and the back panel 17 are provided with grooves 18 corresponding to the protrusions 16. The groove 18 is used for adapting to the shape of the bulge, so that the pouring forming of the drainage channel is facilitated.

Further, the front panel 4 is provided with a tenon protrusion, the back panel 17 is provided with a tenon groove, the tenon groove and the tenon protrusion are matched with each other and are respectively used for pouring out a tenon and a groove connected with the tenon, so that adjacent cable trench monomers are connected together.

Further, the inner top plate 9, the outer top plate 1, the left outer side plate 2, the left inner side plate 7, the right outer side plate 3, the right inner side plate 8, the left bottom plate 5, the right bottom plate 6, the front plate 4 and the back plate 17 are all made of steel plates.

As shown in fig. 5-6, the present invention further relates to a cable trench manufactured by using the above manufacturing mold, the cable trench includes a plurality of cable trench monomers connected in sequence, the cable trench monomers include a cushion layer 26, a trench bottom plate 27 disposed on the top of the cushion layer 26, a left trench wall 28 and a right trench wall 29 symmetrically disposed above two ends of the trench bottom plate 27, and a trench cover plate 31 disposed above the left trench wall 28 and the right trench wall 29; the top of the ditch bottom plate 27 is V-shaped, and a drainage groove 30 matched with the bulge is arranged in the middle of the top of the ditch bottom plate 27. The water drainage groove 30 and the horizontal plane form an acute angle. The adjacent cable trench monomers are connected through male and female tenons.

Specifically, the cushion layer 26 is a concrete structure with gradient poured in a construction site, and is arranged below the trench bottom plate 27, the gradient of the cushion layer 26 is consistent with that of the trench bottom plate 27, and the thickness of the cushion layer 26 is changed according to the height of the trench wall on the cushion layer, so that the sum of the thickness of the cushion layer and the height of the trench wall is consistent. The gutter cover 31 covers the upper portions of the left and right gutter walls 28 and 29, with the top portions of the left and right gutter walls 28 and 29 serving as support points. The cushion layer 26 is poured on the construction site, the top surface is a slope surface, and a ditch bottom plate 27 is placed on the cushion layer. The groove bottom plate 27 is a V-shaped slope surface pointing to the drainage groove 30, the drainage groove 30 is provided with a slope along the longitudinal direction of the cable trench, rainwater on the groove bottom plate 27 is firstly converged in the drainage groove 30 at the central line of the groove bottom plate along the transverse direction, then converged to the water collecting pit along the slope direction of the drainage groove 30, and finally discharged out of the cable trench. The left trench wall 28 and the right trench wall 29 are symmetrically arranged at the left side and the right side of the trench bottom plate 27 and form a concrete structure trench with a concave cross section with the trench bottom plate 27, and the height of the left trench wall 28 and the height of the right trench wall 29 can be 10mm or 20mm, which is a stage difference. The length of the cable trench monomer is 2000-3000 mm. The cushion layer 26 is integrally cast in a construction site and is arranged below the cable trench monomers, the thickness of the cushion layer 26 is changed due to different specifications of the cable trench monomers on the cushion layer, and the thickness range of the cushion layer is 100-200 mm. Splicing is realized between the prefabricated cable trench monomers through longitudinal male and female tenons arranged on the trench bottom plate and the trench wall surface. The cable trench monomer is manufactured through the mold, the trench bottom plate and the trench wall are integrally cast, and the prefabricated cable trench monomer with different trench wall heights and various specifications can be formed by adjusting the size of the mold. As shown in fig. 5, 3 prefabricated cable trenches (monomers) of different specifications are longitudinally spliced to form a cable trench (whole), the length of each of the 3 prefabricated cable trenches (monomers) is 2000mm, and the total length of the cable trench (whole) is 6000 mm. Preferably, the longitudinal drainage gradient of the bottom plate of the prefabricated cable trench is 0.5%, and the height difference of the trench wall of one cable trench (single body) from left to right is 10 mm. Taking the cable trench in fig. 5 as an example for explanation, the three cable trenches (monomers) are numbered from left to right as a first cable trench, a second cable trench and a third cable trench in sequence, the trench walls of the three cable trenches are all trapezoidal, the height of the trench wall of the first cable trench is 1030-1020 mm from left to right, the height of the trench wall of the second cable trench is 1020-1010 mm from left to right, and the height of the trench wall of the third cable trench is 1010-1000 mm from left to right. In order to ensure that the top surfaces of the assembled cable trench walls are at the same elevation, the thicknesses of the cushion layers 1 positioned below the three cable trenches are 170-200 mm from left to right.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (10)

1. The utility model provides a prefabricated assembled cable pit preparation mould which characterized in that: the inner top plate is obliquely arranged, a left inner side plate and a right inner side plate are respectively arranged below the left end and the right end of the inner top plate, a left bottom plate is arranged outside the lower end of the left inner side plate, a right bottom plate is arranged outside the lower end of the right inner side plate, a left outer side plate is rotationally connected with the outer end of the left bottom plate at the lower end, a right outer side plate is rotationally connected with the outer end of the right bottom plate at the lower end, a front panel is rotationally connected with the front ends of the left bottom plate and the right bottom plate at the lower ends, a back panel is rotationally connected with the rear ends of the left bottom plate and the right bottom plate at the lower ends; a left height control plate with adjustable height is arranged above the left bottom plate, and a right height control plate with adjustable height is arranged above the right bottom plate; the outer top plate is provided with a grouting hole; and the inner top plate is provided with a bulge.

2. The prefabricated assembled cable trench manufacturing mold according to claim 1, wherein: a left height adjusting mechanism is arranged between the left bottom plate and the left height control plate, and a right height adjusting mechanism is arranged between the right bottom plate and the right height control plate; the left height adjusting mechanism and the right height adjusting mechanism have the same structure and respectively comprise an upper sleeve, a screw rod and a lower sleeve which are sequentially connected; the upper sleeve and the lower sleeve are both provided with internal threads, and the screw rod is provided with external threads.

3. The prefabricated assembled cable trench manufacturing mold according to claim 1, wherein: the grouting hole is movably connected with a cover plate.

4. The prefabricated assembled cable trench manufacturing mold according to claim 1, wherein: the front panel and the left bottom plate, the front panel and the right bottom plate, the left outer side plate and the left bottom plate, the right outer side plate and the right bottom plate, the back panel and the left bottom plate and the back panel and the right bottom plate are connected through a rotating mechanism; the rotating mechanism comprises a first fixing piece, a second fixing piece and a rotating shaft which is respectively connected with the first fixing piece and the second fixing piece in a rotating mode.

5. The prefabricated assembled cable trench manufacturing mold according to claim 1, wherein: the front panel is detachably connected with the left outer side plate; the front panel is detachably connected with the right outer side plate; the front panel is detachably connected with the left inner side plate; the front panel is detachably connected with the right inner side panel; the back panel is detachably connected with the left outer side plate; the back panel is detachably connected with the right outer side panel; the back panel is detachably connected with the left inner side plate; a front panel and a right inner side panel.

6. The prefabricated assembled cable trench manufacturing mold according to claim 1, wherein: and grooves matched with the protrusions are formed in the inner walls of the tops of the front panel and the back panel.

7. The prefabricated assembled cable trench manufacturing mold according to claim 1, wherein: the inner top plate, the outer top plate, the left outer side plate, the left inner side plate, the right outer side plate, the right inner side plate, the left bottom plate, the right bottom plate, the front panel and the back panel are all made of steel plates.

8. The cable trench manufactured by using the manufacturing mold according to any one of claims 1 to 7, wherein: the cable trench comprises a plurality of sequentially connected cable trench monomers, wherein each cable trench monomer comprises a cushion layer, a trench bottom plate arranged at the top of the cushion layer, a left trench wall and a right trench wall which are symmetrically arranged above two ends of the trench bottom plate, and a trench cover plate for installing the left trench wall and the right trench wall; the top of ditch bottom plate is the V style of calligraphy, and is equipped with the water drainage tank that suits with protruding in the middle of the top of ditch bottom plate.

9. The cable trench of claim 8, wherein: the water drainage groove and the horizontal plane form an acute angle.

10. The cable trench of claim 8, wherein: the adjacent cable trench monomers are connected through male and female tenons.

Images