CN114709785B

CN114709785B - Cable well structure and construction method thereof

Info

Publication number: CN114709785B
Application number: CN202210118083.9A
Authority: CN
Inventors: 李彬
Original assignee: Beijing Jingdian Fengsheng Construction Co ltd
Current assignee: Beijing Jingdian Fengsheng Construction Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2023-07-07
Anticipated expiration: 2042-02-08
Also published as: CN114709785A

Abstract

The utility model relates to a field of electric power facility especially relates to a cable well structure and construction method thereof, and a cable well structure includes well bore and well lid, be provided with the well head on the well bore top, the well lid includes upper cover body and lower cover body, the diameter of upper cover body is less than the lower cover body, well head perisporium is joined in marriage with well lid Zhou Bishi, be provided with the translation supporting component that is used for installing or dismantle the well lid in the well bore, translation supporting component includes a plurality of parallel arrangement's branch, branch horizontal support is on two opposite lateral walls of well bore, slide on the branch and be connected with the extension board, be connected with axial telescopic driving piece one between extension board and the well bore lateral wall, be connected with axial telescopic driving piece two between extension board and the well lid. This application has the effect of improving the stolen problem of losing of cable well lid.

Description

Cable well structure and construction method thereof

Technical Field

The application relates to the field of electric power facilities, in particular to a cable well structure and a construction method thereof.

Background

The cable wells are widely applied to the field of laying and maintenance of cable engineering, and the number of the cable wells is increasing year by year along with the continuous development of power grid construction. Meanwhile, the theft phenomenon of the cable well cover can also happen sometimes, and the cable well cover is stolen to cause loss of the cable well cover, so that a cable in the cable well is exposed and is easy to damage, and even potential safety hazards can be brought to pedestrians.

Disclosure of Invention

In order to solve the problem of theft and loss of a cable well cover, the application provides a cable well structure and a construction method thereof.

In a first aspect, the present application provides a cable well structure, which adopts the following technical scheme:

the utility model provides a cable well structure, includes well bore and well lid, be provided with the well head on the well bore top, the well lid includes upper cover body and lower cover body, the diameter of upper cover body is less than the lower cover body, well head perisporium is joined in marriage with well lid Zhou Bishi, be provided with the translation supporting component that is used for installing or dismantle the well lid in the well bore, translation supporting component includes a plurality of parallel arrangement's branch, branch horizontal support is on two opposite lateral walls of well bore, it is connected with the extension board to slide on the branch, be connected with axial telescopic driving piece one between extension board and the well bore lateral wall, be connected with axial telescopic driving piece two between extension board and the well lid.

Through adopting above-mentioned technical scheme, during the installation well lid, staff control driving piece one extends, makes the well lid be located well head directly under, then control driving piece two extends, makes the well lid install in well head department, because the well lid is big-end-up's step form for the well lid can only be installed and dismantle by well bore inside, thereby effectively solved the easy problem of losing of well lid.

Optionally, be provided with the holding tank that encircles well head a week in the well bore top cap, be provided with the stay cord in the holding tank, stay cord one end is connected with the rigid coupling in the extension spring of holding tank, the stay cord other end wears out well bore top cap bottom surface and is connected with a drive assembly who is used for receiving and releases the stay cord, offer the groove of stepping down of a plurality of and holding tank intercommunication on the well head perisporium, be connected with the activity on the stay cord and wear to locate the cardboard of stepping down the groove, works as when the extension spring contracts, the cardboard stretches out the groove of stepping down and supports in the well lid bottom surface, when the extension spring stretches out, the cardboard income is stepped down the inslot.

Through adopting above-mentioned technical scheme, after the well lid is installed in well head department, staff control drive assembly releases the stay cord, and extension spring elasticity shrink, the cardboard stretches out the groove of stepping down and arranges the well lid below and carry out auxiliary stay to the well lid to share the pressure that drive piece two received, promote the stability and the bearing capacity of well lid.

Optionally, be provided with the even axle on the stay cord, even the axle slides and connects in the holding tank, the cardboard rotates to be connected in the even epaxial, it is connected with the link plate still to rotate on the even epaxial, the one end that the link plate kept away from the even axle slides and supports on the holding tank lateral wall, be connected with the pressure spring second between link plate and the cardboard.

Through adopting above-mentioned technical scheme, the cardboard is by two elastic support of pressure spring for the cardboard is driven by elasticity and is moved from the inslot of stepping down, thereby is convenient for the extension of cardboard, promotes the smooth and easy nature that the cardboard removed.

Optionally, the drive assembly includes but axial telescopic driving piece three, driving piece three vertical installation is on the extension board, driving piece three top is provided with the thimble, the rigid coupling has a section of thick bamboo that holds on the well bore top cap bottom surface, it has the baffle to hold the interior sliding seal of section of thick bamboo, elastic support has pressure spring one between baffle and the well bore top cap, pressure spring one's elasticity is greater than the extension spring, the stay cord is connected with the baffle, the thimble slides and wears to locate to hold a section of thick bamboo and with baffle activity butt.

Through adopting above-mentioned technical scheme, the three extensions of staff control driving piece make the thimble stretch into in holding the section of thick bamboo, and the thimble promotes the baffle and upwards moves, and a compression spring elasticity compression, extension spring elasticity shrink to pulling stay cord removes to the holding tank, this driving assembly is easy and simple to handle, effectively realizes the receive and release of cardboard.

Optionally, a pulley is arranged at one end of the connecting plate far away from the connecting shaft, and the pulley is in rolling contact with the side wall of the accommodating groove.

Through adopting above-mentioned technical scheme, pulley and holding tank rolling contact, the link plate of being convenient for removes in the holding tank.

Optionally, be provided with sealed waterproof subassembly on the well bore top cover, it is provided with caulking groove one to encircle on the well head perisporium, sealed waterproof subassembly is including inlaying the gasbag of locating caulking groove one, be connected with the air duct between gasbag and the holding section of thick bamboo, the air duct is located the baffle top with the tie point that holds the section of thick bamboo.

Through adopting above-mentioned technical scheme, when the baffle upwards moved, the air of baffle top was impressed in the gasbag, thereby makes the gasbag inflation seal the space in well head department, promotes the leakproofness between well lid and the well bore.

Optionally, the well lid is encircled and is provided with the caulking groove two on the perisporium, the caulking groove two is embedded to be equipped with and is used for the water expansion waterstop with the gasbag cooperation is sealed.

By adopting the technical scheme, when raining, rainwater is absorbed by the water-swelling water stop belt, so that the water-swelling water stop belt swells and the tightness is further improved by matching with the air bag.

Optionally, the branch is provided with two, the branch middle part sets up to arc and two branch arc portions bulge to the direction that is close to each other.

Through adopting above-mentioned technical scheme, when the maintenance is needed, shift out the well lid, because the arc portion that sets up on the branch provides the space for the staff in going down to the well bore.

In a second aspect, the present application provides a cable well construction method, which adopts the following technical scheme:

the cable well construction method comprises the following steps:

s1, excavating a foundation pit, firstly measuring and paying off by a worker, and then excavating the foundation pit by using an instrument;

s2, constructing a well body, and constructing a well structure except for a top cover part;

s3, assembling the translation supporting component and the well lid, installing the translation supporting component in the well body, and installing the well lid on the translation supporting component;

s4, installing a top cover of the well body, and fixedly installing the top cover on the side wall of the well body;

s5, installing the well lid to the well mouth, operating the translation supporting assembly, and installing the well lid at the well mouth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the well cover is installed, a worker controls the first driving part to extend to enable the well cover to be located right below the well mouth, then controls the second driving part to extend to enable the well cover to be installed at the well mouth, and the well cover can only be installed and detached from the inside of the well body due to the fact that the well cover is in a step shape with the small upper part and the big lower part, so that the problem that the well cover is easy to lose is effectively solved;

2. after the well lid is arranged at the well mouth, a worker controls the driving assembly to release the pull rope, the tension spring elastically contracts, and the clamping plate stretches out of the abdication groove to be arranged below the well lid and support the well lid in an auxiliary manner, so that the pressure born by the second driving piece is shared, and the stability and the bearing capacity of the well lid are improved;

3. when the baffle moves upwards, air above the baffle is pressed into the air bag, so that the air bag expands to seal a gap at the wellhead, and the tightness between the well lid and the well body is improved.

Drawings

Fig. 1 is a schematic view of the internal structure of a cable well structure according to the present application.

Fig. 2 is a cross-sectional view taken to illustrate the mating relationship of the manhole cover and the translational support assembly.

Fig. 3 is a cross-sectional view taken to show the mating relationship of the manhole cover and the auxiliary support assembly.

Fig. 4 is a schematic view showing the auxiliary supporting member.

Fig. 5 is an enlarged schematic view of the portion a in fig. 4.

Fig. 6 is a cross-sectional view taken to illustrate the mating relationship of the auxiliary support assembly and the sealing waterproof assembly.

Fig. 7 is a partial structural schematic view of the auxiliary supporting assembly.

Fig. 8 is a flow chart of a cable well construction.

Reference numerals illustrate: 1. a well bore; 10. a wellhead; 11. a receiving groove; 12. a relief groove; 13. a guide rail; 14. a first caulking groove; 2. a well cover; 20. an upper cover; 21. a lower cover; 210. a second caulking groove; 3. a translational support assembly; 30. a support rod; 31. a support plate; 310. a sliding cavity; 32. a first driving member; 33. a second driving piece; 34. a third driving member; 340. a thimble; 4. an auxiliary support assembly; 40. a receiving cylinder; 41. a baffle; 42. a pull rope; 43. a first compression spring; 44. a tension spring; 45. a clamping plate; 46. a connecting plate; 460. a pulley; 47. a connecting shaft; 48. a second compression spring; 5. sealing the waterproof assembly; 50. an air bag; 51. an air duct; 52. water-swelling water stop.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-8.

The embodiment of the application discloses a cable well structure, the cable well structure generally sets up in bearing capacity little or non-bearing road surface department. Referring to fig. 1, a cable well structure comprises a well body 1, a well lid 2 and a translational support assembly 3 for mounting or dismounting the well lid 2.

Referring to fig. 1 and 2, a wellhead 10 is provided at the center of the top cover of the well 1, and a well cover 2 is installed at the wellhead 10 from bottom to top in the well 1. The well lid 2 includes upper cover body 20 and lower cover body 21, and the diameter of upper cover body 20 is less than lower cover body 21 for well lid 2 is the step form, well head 10 lateral wall and well lid 2 perisporium adaptation, thereby makes well lid 2 only can be installed by well bore 1 inside, and can not take out.

The translational support assembly 3 comprises struts 30 horizontally supported on opposite side walls of the well 1, the two struts 30 being parallel to each other and perpendicular to the length direction of the cable. The support rods 30 are located above the cables, and in order to facilitate the operation of the workers in the well, the middle parts of the support rods 30 are arranged in an arc shape, and the arc-shaped parts of the two support rods 30 are protruded in the direction of approaching each other. A support plate 31 is arranged on the two support rods 30, two sliding cavities 310 are respectively arranged on two sides of the support plate 31, and the support plate 31 is sleeved on the two support rods 30 in a sliding way through the two sliding cavities 310.

Two first driving members 32 are installed on the side wall of the well body 1, the two first driving members 32 are located between the two supporting rods 30, the output end of the first driving member 32 is installed on the supporting rod 31, the first driving member 32 in the embodiment is an electric push rod, in other examples, an axial telescopic structure such as an air cylinder or a hydraulic cylinder can be adopted, and the supporting rod 31 can move along the supporting rods 30 under the driving of the first driving members 32. Two driving parts II 33 are further vertically fixedly connected to the top surface of the support plate 31, the driving parts II 33 in the embodiment are electric push rods, and in other examples, the driving parts II can also be of an air cylinder, a hydraulic cylinder and the like, the output end of the driving parts II 33 is fixedly connected with the lower cover body 21, and the well cover 2 is driven to move up and down by the driving parts II 33.

Referring to fig. 3 and 4, in order to improve the stability of the well lid 2 after installation at the wellhead 10 and reduce the pressure borne by the second driving member 33, an auxiliary support assembly 4 is provided on the top cover of the well body 1. Referring to fig. 5 and 6, the auxiliary supporting component 4 includes a receiving cylinder 40, the receiving cylinder 40 has a cylinder structure with an open top, and the top of the receiving cylinder 40 is fixedly connected to the bottom surface of the top cover of the well body 1. A baffle 41 is arranged in the accommodating cylinder 40, and the baffle 41 is in sliding sealing connection with the inner wall of the accommodating cylinder 40. An accommodating groove 11 is formed in the top cover of the well body 1 around the well head 10, a pull rope 42 is arranged in the accommodating groove 11 in a penetrating mode, and one end of the pull rope 42 penetrates out of the top cover of the well body 1 and is fixedly connected with the baffle 41. A first compression spring 43 is elastically supported between the baffle 41 and the top cover of the well 1, and the first compression spring 43 has a tendency to elastically drive the baffle 41 to move away from the top cover of the well 1.

Referring to fig. 4 and 5, a tension spring 44 is connected to the other end of the pull rope 42, one end of the tension spring 44 away from the pull rope 42 is fixedly connected to the bottom wall of the accommodating groove 11, the tension spring 44 has a tendency of elastically driving the pull rope 42 to pull the baffle 41 to move towards the direction close to the top cover of the well body 1, and the elasticity of the tension spring 44 is smaller than that of the first compression spring 43. Referring to fig. 3 and 7, four abdication grooves 12 are uniformly formed in the peripheral wall of the wellhead 10, the abdication grooves 12 are communicated with the accommodating groove 11, a clamping plate 45 and a connecting plate 46 are arranged in the abdication grooves 12, one end of the clamping plate 45 movably extends out of the abdication grooves 12 and is used for supporting the bottom surface of the manhole cover 2, the other end of the clamping plate 45 is hinged with the connecting plate 46 through a connecting shaft 47, the connecting shaft 47 is fixedly connected to the pull rope 42, a guide rail 13 is arranged in the accommodating groove 11, and the connecting shaft 47 is slidingly connected to the guide rail 13.

A pulley 460 is arranged at one end of the connecting plate 46 far away from the connecting shaft 47, the pulley 460 is in rolling contact with the side wall of the containing groove 11 far away from the wellhead 10, a pressure spring II 48 is elastically supported between one end of the connecting plate 46 far away from the connecting shaft 47 and one end of the clamping plate 45 far away from the connecting shaft 47, and the pressure spring II 48 has a tendency of elastically driving the connecting plate 46 to be far away from the clamping plate 45.

Referring to fig. 2 and 6, a third driving member 34 is vertically and fixedly connected to the support plate 31, and the third driving member 34 in this embodiment is an electric push rod, and in other examples, may be a telescopic structure such as a cylinder or a hydraulic cylinder. A thimble 340 is coaxially and fixedly connected to the top end of the third driving member 34, and the thimble 340 is slidably disposed through the accommodating cylinder 40 and movably abuts against the baffle 41.

Referring to fig. 3 and 6, in order to reduce the infiltration of rainwater into the well 1 through the edges of the well lid 2, a sealing and waterproofing assembly 5 is also provided on the top cover of the well 1. The first caulking groove 14 is formed in the circumferential wall of the wellhead 10 corresponding to the position of the lower cover body 21 in a surrounding mode, the sealing waterproof assembly 5 comprises an air bag 50 arranged in the first caulking groove 14, the air bag 50 is annular, an air duct 51 is connected between the air bag 50 and the accommodating cylinder 40, and a connecting point of the air duct 51 and the accommodating cylinder 40 is located above the baffle 41. The peripheral wall of the lower cover body 21 is also provided with a second caulking groove 210 in a surrounding manner, the second caulking groove 210 is internally provided with a water-swelling water stop belt 52, the water-swelling water stop belt 52 swells after absorbing water and can recover after losing water, and the water-swelling water stop belt 52 and the air bag 50 are matched to seal a gap at the edge of the well cover 2.

The implementation principle of the cable well structure in the embodiment of the application is as follows: in the process of installing the well cover 2, a worker controls the first driving part 32 to extend so that the well cover 2 is positioned right below the well mouth 10. And then the second driving part 33 is controlled to extend to enable the well lid 2 to be mounted at the well mouth 10, finally the third driving part 34 is controlled to extend to enable the thimble 340 to extend into the accommodating cylinder 40, the thimble 340 pushes the baffle 41 to move upwards, the first pressure spring 43 is elastically compressed, the tension spring 44 is elastically contracted to drive the pull rope 42 to move towards the interior of the accommodating groove 11, the pull rope 42 drives the connecting shaft 47 to move along the guide rail 13, the clamping plate 45 moves along with the connecting shaft and moves towards the outside of the yielding groove 12 under the elastic driving action of the second pressure spring 48, and the clamping plate 45 extends into the lower part of the well lid 2 and supports the well lid 2.

At the same time, as the baffle 41 moves upward, air in the cavity above the baffle 41 is extruded and enters the air bag 50 through the air duct 51, and the air bag 50 expands to fit the side wall of the lower cover 21, thereby achieving the waterproof sealing effect. If raining, rainwater flows to the water-swelling water stop 52, so that the water-swelling water stop 52 absorbs water and swells to fit the air bag 50, and the waterproof sealing performance is further improved.

When the well cover 2 needs to be disassembled, a worker firstly controls the third driving part 34 to shorten, so that the thimble 340 is separated from the baffle 41, and the first pressure spring 43 elastically stretches to push the baffle 41 to move downwards. Due to the influence of negative pressure, air in the air bag 50 is sucked into the accommodating cylinder 40, the air bag 50 contracts, meanwhile, the stay cord 42 moves outwards of the accommodating groove 11 under the driving action of the baffle 41, the connecting shaft 47 moves along with the stay cord, and the connecting shaft 47 drives the clamping plate 45 to move inwards of the yielding groove 12, so that the clamping plate 45 is separated from the well cover 2. And then the second driving part 33 is controlled to be shortened, so that the well cover 2 is separated from the well head 10, and when the second driving part 33 is not shortened any more, the first driving part 32 is controlled to be shortened, so that the well cover 2 moves transversely, and is separated from the area right below the well head 10, and a worker can enter the well body 1 to carry out maintenance operation.

In the process of installing and dismantling the well cover 2, the well cover 2 can not be moved out of the well body 1 through the well head 10 all the time, so that the problem of stealing the well cover 2 from the outside of the well body 1 is effectively solved.

The embodiment of the application also discloses a construction method of the cable well structure. Referring to fig. 8, a construction method of a cable well structure includes the steps of:

s1, excavating a foundation pit, measuring and paying off a site where a cable well needs to be constructed, and then excavating the foundation pit to the designed height and width by using an excavator;

s2, constructing a main body of the well body 1, binding reinforcing steel bars, supporting templates and pouring concrete of the main body of the well body 1 in a foundation pit, wherein a top cover of the well body 1 is not installed at the moment;

s3, assembling the translation supporting component 3 and the well lid 2, installing the translation supporting component 3 in the well body 1, and installing the well lid 2 on the translation supporting component 3;

s4, installing a top cover of the well body 1, installing an auxiliary supporting component 4 and a sealing waterproof component 5 in the top cover of the well body 1, and fixing the top cover of the well body 1 on the side wall of the well body 1;

s5, installing the well cover 2 to the well head 10, operating the translation supporting assembly 3, and installing the well cover 2 to the well head 10.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A cable well structure, characterized in that: the well cover comprises a well body (1) and a well cover (2), wherein a well mouth (10) is arranged on a top cover of the well body (1), the well cover (2) comprises an upper cover body (20) and a lower cover body (21), the diameter of the upper cover body (20) is smaller than that of the lower cover body (21), the peripheral wall of the well mouth (10) is matched with a well cover (2) Zhou Bishi, a translation supporting component (3) for installing or detaching the well cover (2) is arranged in the well body (1), the translation supporting component (3) comprises a plurality of struts (30) which are arranged in parallel, the struts (30) are horizontally supported on two opposite side walls of the well body (1), a support plate (31) is connected onto the struts (30) in a sliding mode, an axially telescopic driving piece I (32) is connected between the support plate (31) and the side walls of the well body (1), and an axially telescopic driving piece II (33) is connected between the support plate (31) and the well cover (2); the well body (1) top cover is internally provided with a containing groove (11) encircling a well mouth (10) in a circle, the containing groove (11) is internally provided with a pull rope (42), one end of the pull rope (42) is connected with a tension spring (44) fixedly connected in the containing groove (11), the other end of the pull rope (42) penetrates out of the bottom surface of the well body (1) top cover and is connected with a driving component for winding and unwinding the pull rope (42), the peripheral wall of the well mouth (10) is provided with a plurality of yielding grooves (12) communicated with the containing groove (11), the pull rope (42) is connected with a clamping plate (45) movably penetrating through the yielding grooves (12), when the tension spring (44) is contracted, the clamping plate (45) stretches out of the yielding grooves (12) and is supported on the bottom surface of the well cover (2), and when the tension spring (44) stretches, the clamping plate (45) is retracted into the yielding grooves (12). The driving assembly comprises a driving piece III (34) which can axially stretch out and draw back, the driving piece III (34) is vertically arranged on the support plate (31), an ejector pin (340) is arranged at the top end of the driving piece III (34), a containing cylinder (40) is fixedly connected to the bottom surface of the top cover of the well body (1), a baffle (41) is sealed in the containing cylinder (40) in a sliding manner, a pressure spring I (43) is elastically supported between the baffle (41) and the top cover of the well body (1), the elastic force of the pressure spring I (43) is larger than that of a tension spring (44), the pull rope (42) is connected with the baffle (41), and the ejector pin (340) slides and penetrates through the containing cylinder (40) and is movably abutted to the baffle (41).

2. A cable well structure according to claim 1, wherein: the stay cord (42) is provided with a connecting shaft (47), the connecting shaft (47) is connected in the accommodating groove (11) in a sliding mode, the clamping plate (45) is rotationally connected to the connecting shaft (47), a connecting plate (46) is rotationally connected to the connecting shaft (47), one end, away from the connecting shaft (47), of the connecting plate (46) is supported on the side wall of the accommodating groove (11) in a sliding mode, and a pressure spring II (48) is connected between the connecting plate (46) and the clamping plate (45).

3. A cable well structure according to claim 2, characterized in that: one end of the connecting plate (46) far away from the connecting shaft (47) is provided with a pulley (460), and the pulley (460) is in rolling contact with the side wall of the accommodating groove (11).

4. A cable well structure according to claim 1, wherein: the waterproof sealing device is characterized in that a sealing waterproof assembly (5) is arranged on a top cover of the well body (1), a caulking groove I (14) is formed in the peripheral wall of the well head (10) in a surrounding mode, the sealing waterproof assembly (5) comprises an air bag (50) embedded in the caulking groove I (14), an air duct (51) is connected between the air bag (50) and the accommodating cylinder (40), and a connecting point of the air duct (51) and the accommodating cylinder (40) is located above the baffle (41).

5. A cable well structure according to claim 4, wherein: the well lid (2) is provided with a second caulking groove (210) in a surrounding mode on the peripheral wall, and the second caulking groove (210) is embedded with a water-swelling water stop belt (52) used for being matched and sealed with the air bag (50).

6. A cable well structure according to claim 1, wherein: the two support rods (30) are arranged, the middle parts of the support rods (30) are arranged in an arc shape, and the arc-shaped parts of the two support rods (30) are protruded in the direction of approaching each other.

7. A method of constructing a cable well structure as claimed in any one of claims 1 to 6, wherein: the method comprises the following steps:

s2, constructing a main body of the well body (1), and constructing a well body (1) structure except for a top cover part;

s3, assembling the translation supporting component (3) and the well cover (2), installing the translation supporting component (3) in the well body (1), and installing the well cover (2) on the translation supporting component (3);

s4, installing a top cover of the well body (1), and fixedly installing the top cover on the side wall of the well body (1);

s5, installing the well cover (2) to a wellhead (10), operating the translation supporting assembly (3), and installing the well cover (2) at the wellhead (10).