CN111287219B - Prefabricated assembled cable working well and construction method thereof - Google Patents
Prefabricated assembled cable working well and construction method thereof Download PDFInfo
- Publication number
- CN111287219B CN111287219B CN202010214051.XA CN202010214051A CN111287219B CN 111287219 B CN111287219 B CN 111287219B CN 202010214051 A CN202010214051 A CN 202010214051A CN 111287219 B CN111287219 B CN 111287219B
- Authority
- CN
- China
- Prior art keywords
- well body
- groove
- rack
- assembling
- support rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Sewage (AREA)
Abstract
The invention relates to a prefabricated assembled cable working well and a construction method thereof, relating to the technical field of cable working wells and comprising a lower well body and an upper well body which are spliced up and down, wherein a channel is formed in the centers of the lower well body and the upper well body; the bottom of the lower well body is provided with a yielding groove with a downward opening, and a transverse plate is arranged in the yielding groove in a sliding mode along the vertical direction; a vertical first support rod is arranged on the lower side wall of the transverse plate, which is away from the lower well body, the lower end of the first support rod is in threaded connection with an adjusting piece, and the lower end of the first support rod is in threaded connection with a second support rod through the adjusting piece; the inner side wall of the adjusting piece is provided with reverse threads; a splicing groove is formed in one vertical surface of the upper well body, a splicing piece is arranged on the other vertical surface of the upper well body, which is far away from the splicing groove, and the splicing groove and the splicing piece are symmetrically arranged on two sides of the upper well body; the invention has the effects of ensuring the mutual alignment of the lower well bodies during assembly and improving the assembly efficiency of constructors.
Description
Technical Field
The invention relates to the technical field of underground cable working wells, in particular to a prefabricated assembled cable working well and a construction method thereof.
Background
The existing underground pipeline working well has several forms: the working well is built by clay bricks, a cast-in-place concrete working well, a concrete block type working well, a working well combining prefabricated part assembly and reinforced concrete cast-in-place modes and a prefabricated part assembly type working well. The working wells in the first four forms have the defects of low strength, easy leakage and low durability, or have the defects of long construction period and poor engineering quality reliability.
Chinese patent No. CN100593273C discloses a prefabricated assembly type cable working well in the prior art, which comprises a prefabricated assembly type cable working well which is assembled by prefabricated component blocks and is approximately cuboid, square or arc-shaped with a long corridor. The working well comprises a prefabricated component block, a sealing element and a connecting piece, wherein the prefabricated component block comprises an end head upper component block, an end head lower component block, a transition section upper component block, a transition section lower component block, a well head section upper component block, a well head section lower component block and a water collecting well component block; sealing elements are padded at the joints where the prefabricated component blocks are spliced; the building blocks are connected by connectors. During construction, a foundation pit is firstly excavated on the construction ground, and then the prefabricated component blocks are assembled from top to bottom in sequence. The invention effectively overcomes the defects that the shape selection margin of the existing prefabricated assembled working well with a circular drawer type structure is small, and the requirements of various working wells in cable construction are difficult to adapt.
The above prior art solutions have the following drawbacks: when the lower member blocks are placed at the bottom of the foundation pit one by one, the upper surface of the bottom of the foundation pit is inevitably uneven, and the bottom of the lower member blocks in the above patent is a flat plane. When a certain height difference exists between two adjacent lower component blocks, the connecting pieces between the two adjacent lower component blocks are difficult to align accurately, and therefore the assembling work cannot be carried out smoothly; at this moment, constructors need to finish the bottom of the foundation pit again to ensure the smooth construction, and a large amount of manpower is spent in the period, and the construction period is prolonged.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the prefabricated assembled cable working well and the construction method thereof, which have the effects of ensuring the mutual alignment of well bodies during assembly and improving the assembly efficiency of constructors.
The above object of the present invention is achieved by the following technical solutions:
a prefabricated assembled cable working well comprises a lower well body and an upper well body which are vertically spliced, wherein a channel which is arranged along the horizontal direction is formed at the centers of the lower well body and the upper well body together; the bottom of the lower well body is provided with a yielding groove with a downward opening, and a transverse plate is arranged in the yielding groove in a sliding mode along the vertical direction; a vertical first support rod is arranged on the lower side wall of the transverse plate, which is away from the lower well body, the lower end of the first support rod is in threaded connection with an adjusting piece, and the lower end of the first support rod is in threaded connection with a second support rod through the adjusting piece; the first support rod and the second support rod are coaxial, and reverse threads are arranged on the upper inner side wall and the lower inner side wall of the adjusting piece; the split type well is characterized in that a split groove is formed in one vertical surface of the upper well body, a split piece is arranged on the other vertical surface of the upper well body, which is far away from the split groove, and the split groove and the split piece are symmetrically arranged on two sides of the upper well body.
By adopting the technical scheme, when the lower well body is placed in the foundation pit, the support of the lower well body can be realized through the second support rod arranged at the bottom of the lower well body; when the underground body cannot be kept in a horizontal state due to uneven depressions at the bottom of the foundation pit, the first support rod and the second support rod move towards the direction of approaching or separating each other by rotating the corresponding adjusting pieces, so that the heights of the four sides of the underground body can be gradually adjusted to be in the horizontal state, and the subsequent assembling work can be smoothly carried out; a large amount of manpower and material resources are saved, so that the installation process is more convenient; after the lower well bodies are installed, the upper well bodies are sequentially inserted above the respective opposite lower well bodies from left to right; when two adjacent upper well bodies are installed, the assembled piece on the next upper well body is vertically inserted downwards from the upper end opening of the assembled groove on the previous upper well body, and preliminary limit between the two upper well bodies can be realized through mutual insertion between the assembled piece and the assembled groove; when the two upper well bodies are subjected to outward pulling force along the horizontal direction, the assembled parts can effectively prevent the two upper well bodies from being separated from each other, so that the two upper well bodies are kept stable.
The present invention in a preferred example may be further configured to: a vertical damping spring is arranged in the abdicating groove, one end of the damping spring is fixed on the abdicating groove, and the other end of the damping spring is fixedly connected with the transverse plate; guide rods respectively positioned at two sides of the damping spring are vertically arranged in the abdicating groove, and the lower ends of the guide rods penetrate into the transverse plate below; and the transverse plate is arranged on the guide rod in a sliding manner.
By adopting the technical scheme, when the lower well body is placed in the foundation pit, the transverse plate can press the damping spring in the abdicating groove under the action of the second support rod; when the bottom of the foundation pit vibrates, the vibration isolation effect can be achieved on the lower well body through the vibration damping spring, so that the interference of vibration on the lower well body and the upper well body in the foundation pit can be weakened, the stability of the joint of the lower well body and the upper well body is ensured, and the situation that the joint is broken is prevented; and the guide rod can guide the sliding of the transverse plate, and the transverse plate can slide along the length direction of the guide rod.
The present invention in a preferred example may be further configured to: a plurality of sawtooth-shaped fixing strips are formed at the bottom of the lower well body, and the extending direction of the fixing strips is vertical to the opening direction of the channel; the adjacent fixing strips are sequentially arranged along the opening direction of the channel, and the bottoms of the fixing strips are uniformly inclined towards one side.
By adopting the technical scheme, when two adjacent lower well bodies are spliced and fixed, the lower well bodies are transversely pulled, and can be tightly gripped at the bottom of the foundation pit through the fixing strip arranged at the bottom of the lower well bodies, so that the aim of limiting the deflection of the lower well bodies is fulfilled; meanwhile, when vibration occurs in the foundation pit, the ground gripping force of the lower well body can be enhanced through the fixing strips, so that the lower well body can still be kept stable when vibration occurs.
The present invention in a preferred example may be further configured to: the assembling groove is formed in the vertical direction, and the assembling piece on the other upper well body is inserted into the assembling groove from an opening at the upper end of the assembling groove; the upper well body is provided with a withdrawal groove with an opening perpendicular to the insertion direction of the assembling pieces, and the withdrawal groove is communicated with the assembling groove; a compression spring facing the splicing groove is fixed in the retreating groove, the other end of the compression spring is fixedly connected with a vertical pressing plate, and the pressing plate is horizontally and slidably arranged in the retreating groove; one side of the pressing plate is pushed out of the withdrawing groove to the assembling groove under the action of the compression spring.
By adopting the technical scheme, when two adjacent upper well bodies are assembled, the assembling piece is vertically inserted into the assembling groove from the upper end opening of the assembling groove downwards; when the splicing piece slides downwards to one side of the retreating groove, the lower end of the splicing piece can push the pressing plate positioned in the splicing groove into the retreating groove, and at the moment, the compression spring in the retreating groove is compressed and deformed under the inward thrust of the pressing plate; when the assembled part completely slides into the assembling groove, the press plate can press the assembled part in the assembling groove under the action of the compression spring; the splicing piece at this moment can be stably limited in the splicing groove by the binding force along the horizontal direction, and relative shaking is not easy to occur between the splicing piece and the splicing groove.
The present invention in a preferred example may be further configured to: a gear positioned on one side of the retreat groove is rotatably connected in the upper well body, and a horizontal first rack is meshed on one side of the gear; the first rack is arranged in the upper well body in a sliding mode, and one end, far away from the gear, of the first rack is fixed with the pressing plate; a second rack parallel to the first rack is meshed with the other side of the gear, the first rack and the second rack are respectively positioned on two sides of the gear, and the second rack is arranged in the upper well body in a sliding manner along the telescopic direction of the compression spring; the pressing plate is provided with a through hole opposite to the second rack, and the assembling piece is provided with a slot for the second rack to be inserted into.
By adopting the technical scheme, the second rack is retracted into the retreating groove in a natural state, and when the pressing plate is pressed into the retreating groove by the assembling piece, the pressing plate drives the first rack to move towards the retreating groove; as the first rack gradually moves towards the retreat slot, the first rack drives the gear to rotate; along with the rotation of the gear, the gear drives the second rack to move towards the direction deviating from the moving direction of the first rack; finally, one end of the second rack close to the pressure plate penetrates out of the through hole formed in the pressure plate and is inserted into the slot of the assembled piece; can realize fixing once more to the piece of piecing together through the second rack, when receiving the vibration along vertical direction between the two adjacent well bodies, the second rack can restrict and take place the skew from top to bottom between two well bodies, prevents to go up to take place to separate from top to bottom between the well body, has realized two spacing fixes along vertical direction between the well body.
The present invention in a preferred example may be further configured to: plug connectors which are respectively positioned at two sides of the channel are arranged at the bottom of the upper well body and are arranged along the opening direction of the channel; the upper end of the lower well body is provided with a plugging groove facing to each plug connector, and the plug connectors are downwards inserted into the plugging grooves; the plug connector openly is seted up along self length direction's notes material passageway, the discharge gate with annotate the material passageway intercommunication is seted up to the plug connector side.
By adopting the technical scheme, when the upper well body and the lower well body are assembled, the plug connector at the bottom of the upper well body is aligned with and inserted into the insertion groove on the lower well body; the primary limit of the upper well body and the lower well body is realized through the splicing and matching of the plug connectors and the splicing grooves, and the upper well body and the lower well body are kept in a vertically aligned state at the moment, so that the purpose of positioning is achieved; then, concrete slurry is poured into the material pouring channel, and the concrete slurry flows out of a discharge hole formed in the side face of the plug connector into the plug-in connection groove; after the concrete slurry is solidified, the upper well body and the lower well body are firmly connected.
The present invention in a preferred example may be further configured to: the upper well body is provided with support frames positioned at the top of the channel, and the support frames are arranged at intervals along the opening direction of the channel.
By adopting the technical scheme, the cable is placed on the support frame when the cable is laid, and the support frame is positioned at the top of the channel, so that the cable is far away from the bottom of the channel by raising the cable; when no underground water flows into the bottom of the channel, the raised cable is not easy to contact with the underground water at the bottom of the channel, and the cable is protected.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when the underground body cannot be kept in a horizontal state due to uneven depressions at the bottom of the foundation pit, the first support rod and the second support rod move towards the direction of approaching or separating each other by rotating the corresponding adjusting pieces, so that the heights of the four sides of the underground body can be gradually adjusted to be in the horizontal state, and the subsequent assembling work can be smoothly carried out; a large amount of manpower and material resources are saved, so that the installation process is more convenient;
2. when the assembled part completely slides into the assembling groove, the press plate can press the assembled part in the assembling groove under the action of the compression spring; at the moment, the assembled piece is subjected to a binding force along the horizontal direction, the assembled piece can be stably limited in the assembling groove, and relative shaking is not easy to occur between the assembled piece and the assembling groove;
3. when the two adjacent upper well bodies are vibrated along the vertical direction, the second rack can limit the two upper well bodies from shifting up and down, and the upper well bodies are prevented from being separated up and down.
In addition, another purpose of the invention is to provide a construction method using the prefabricated assembled cable working well, which is realized by the following technical scheme:
s1, carrying out enclosure construction of a cable working well foundation pit;
s2, excavating a foundation pit;
s3, pouring a C15 concrete cushion layer at the bottom of the foundation pit;
s4, coating anti-seepage coating on the soil facing surfaces of the upper well body and the lower well body;
s5, measuring the flatness of the bottom of the foundation pit, and adjusting the length of the second supporting rod to a proper position; then sequentially placing the lower well body in the foundation pit;
s6, sequentially placing the upper well body on the corresponding lower well body one by one from the upper part of the foundation pit in sequence from left to right, and pouring concrete at the joint of the upper well body and the lower well body;
s7, laying a cable;
s8, adopting quick-setting high-efficiency waterproof mortar at the joint of the two pipelines, and finally backfilling soil.
In summary, the invention includes at least one of the following beneficial technical effects:
the construction method can be quickly assembled in a construction site, and compared with the defects of slow construction period and large wet operation amount of the traditional site masonry, the construction method obviously improves the construction speed of the working well, and has important significance for shortening the construction period and reducing the cost in urban construction.
Drawings
FIG. 1 is a schematic view of the assembled structure of the present invention;
FIG. 2 is a schematic view of the invention highlighting the construction of the slot and connector;
FIG. 3 is an exploded view of the present invention highlighting the local structure at the bottom of the lower well body at the abdicating slot;
FIG. 4 is a schematic sectional view showing the inner part of the receding groove and the splicing groove.
Reference numerals: 1. descending the well body; 2. going up to the well body; 3. a channel; 4. a yielding groove; 5. a transverse plate; 6. a support frame; 7. a first stay bar; 8. an adjustment member; 9. a second stay bar; 10. assembling the grooves; 11. assembling parts; 12. a damping spring; 13. a guide bar; 14. a fixing strip; 15. a withdrawal groove; 16. a compression spring; 17. pressing a plate; 18. a gear; 19. a first rack; 20. a second rack; 21. a through hole; 22. a slot; 23. a plug-in unit; 24. inserting grooves; 25. a material injection channel; 26. and (4) a discharge port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, the prefabricated assembly type cable working well disclosed by the invention comprises an upper well body 2 and a lower well body 1 which are rectangular, wherein the upper well body 2 is spliced above the lower well body 1. The centers of the lower well body 1 and the upper well body 2 form a channel 3 which is opened along the horizontal direction.
As shown in fig. 2, two connectors 23 symmetrically disposed at both sides of the channel 3 are integrally formed at the bottom of the upper well 2, and the connectors 23 are disposed along the opening direction of the channel 3. The front surface of the plug-in unit 23 is provided with a material injection channel 25 positioned at the central shaft, and the material injection channel 25 is arranged along the length direction of the plug-in unit 23. Five discharge ports 26 which are uniformly arranged at intervals are formed in the side surface of the plug connector 23, and the discharge ports 26 penetrate through the two sides of the plug connector 23 and are communicated with the material injection channel 25. The upper end surface of the lower well body 1 is symmetrically provided with inserting grooves 24 which are respectively positioned at two sides of the channel 3, and the upper end openings of the inserting grooves 24 face the inserting pieces 23 which are respectively opposite. The plug-in units 23 are inserted into the opposite insertion grooves 24, respectively. The upper well body 2 is fixedly provided with two support frames 6 which are arranged at intervals along the opening direction of the channel 3, the support frames 6 are inverted door frame-shaped, and two ends of the support frames are fixed with the bottom of the channel 3. The opening of the support frame 6 is opposite to the channel 3, and the top of the channel 3 is also provided with a through hole for the cable to enter.
As shown in fig. 2 and 3, assembling grooves 10 respectively positioned at two sides of the opening of the channel 3 are symmetrically arranged on a vertical surface of the upper well body 2, the assembling grooves 10 are arranged along the vertical direction, and the cross section of the assembling grooves 10 is in a T shape. The upper end opening of the assembling groove 10 penetrates through the upper side wall of the upper well body 2. The other vertical surface of the upper well body 2 departing from the assembling groove 10 is integrally formed with assembling pieces 11 symmetrically arranged on two sides of the other opening of the channel 3, and the assembling pieces 11 are in one-to-one correspondence with the assembling groove 10. The cross section of the assembling piece 11 is in a T shape which can be mutually inserted into the assembling groove 10, and the assembling piece 11 is arranged along the vertical direction.
As shown in fig. 3 and 4, the upper well body 2 is provided with a receding groove 15 located in the assembling groove 10, the receding groove 15 is communicated with the assembling groove 10, and an opening of the receding groove 15 is perpendicular to the direction in which the assembling member 11 is inserted into the assembling groove 10. Two compression springs 16 which are horizontally arranged are fixedly arranged in the retreat groove 15, and the two compression springs 16 are vertically and symmetrically distributed. A pressing plate 17 is arranged in the retreat groove 15 in a sliding manner along the horizontal direction, and the pressing plate 17 is vertically arranged. The other end of the compression spring 16 is fixedly connected with the side wall of the pressing plate 17, which deviates from the splicing groove 10, the upper end surface of the pressing plate 17 is provided with an inclined surface for the splicing piece 11 to pass through, and one side of the pressing plate 17, which faces the splicing groove 10, is pushed into the splicing groove 10 under the action of the compression spring 16.
As shown in fig. 3 and 4, a gear 18 located at one side of the retreat groove 15 is also rotatably connected in the upper well body 2, and the gear 18 is vertically arranged. A first rack 19 sliding along the horizontal direction is meshed above the gear 18, and one end of the first rack 19 penetrates into the retreat slot 15 and is fixedly connected with the pressure plate 17. The first rack 19 will follow the sliding of the pressure plate 17 in the extension and retraction direction of the compression spring 16. A second rack 20 parallel to the first rack 19 is engaged below the gear 18, and the first rack 19 and the second rack 20 are respectively positioned at the upper side and the lower side of the gear 18. The second rack 20 is also arranged in the upper well body 2 in a sliding manner along the extension direction of the compression spring 16, and one end of the second rack 20, which is far away from the gear 18, penetrates into the retreat groove 15. The pressing plate 17 is provided with a through hole 21 which is opposite to the second rack 20 and through which the second rack 20 passes. The corresponding position of the assembling unit 11 is provided with a slot 22 for inserting the second rack 20. When the two upper well bodies 2 are assembled, the assembling piece 11 on the next upper well body 2 is inserted from the upper end opening of the assembling groove 10 corresponding to the previous upper well body 2 from top to bottom, and when the assembling piece 11 is completely inserted into the assembling groove 10, the pressing plate 17 can horizontally press the assembling piece 11 in the assembling groove 10 under the action of the compression spring 16. As the pressing plate 17 is gradually pressed into the retreat groove 15, one end of the second rack 20 is inserted into the insertion groove 22 after passing through the through hole 21. The second rack 20 can realize the limit fixation between the two upper well bodies 2 along the vertical direction.
As shown in fig. 2 and 3, a yielding groove 4 with a downward opening is formed at the bottom of the lower well body 1, and four transverse plates 5 which are arranged at even intervals are arranged in the yielding groove 4 in a sliding manner along the vertical direction. Four groups of guide rods 13 which respectively correspond to the transverse plates 5 one by one are fixedly arranged in the abdicating groove 4, and the number of each group of guide rods 13 is four and is vertically arranged. The transverse plates 5 are arranged on a group of guide rods 13 opposite to each other in a sliding mode in the vertical direction, and the bottom of each guide rod 13 is in threaded connection with a limiting disc with the diameter larger than that of each guide rod 13. Four groups of damping springs 12 which are vertically arranged are fixedly arranged on the upper side wall of the abdicating groove 4, the number of each group of damping springs 12 is four, and the four groups of damping springs 12 are respectively positioned above the transverse plates 5 which are opposite to each other. The lower end of the damping spring 12 is fixedly connected with the upper end surface of the transverse plate 5.
As shown in fig. 2 and 3, a vertical first stay bar 7 is fixedly connected to the center of the lower side wall of the horizontal plate 5 away from the lower well body 1, a long cylindrical adjusting piece 8 is connected to the lower end of the first stay bar 7 through a thread, the outer diameter of the adjusting piece 8 is larger than that of the first stay bar 7, and the lower end of the first stay bar 7 is inserted into the adjusting piece 8. The lower end of the adjusting piece 8 is connected with a second support rod 9 which is coaxial with the first support rod 7 in a threaded mode, and the upper end of the second support rod 9 is inserted into the adjusting piece 8. The upper and lower inside walls of the adjusting member 8 are provided with reverse threads, and when the downhole body 1 is placed on the ground, the first stay bar 7 and the second stay bar 9 move in directions away from or close to each other by rotating the adjusting member 8.
As shown in fig. 3, a plurality of saw-toothed fixing strips 14 are integrally formed at the bottom of the lower well body 1, and the fixing strips 14 are located outside the abdicating groove 4. The extending direction of the fixing strips 14 is vertical to the opening direction of the channel 3, and the adjacent fixing strips 14 are uniformly arranged along the opening direction of the channel 3. And the bottom tooth openings of the fixing strips 14 are uniformly and obliquely arranged towards one side.
The implementation principle of the embodiment is as follows:
when the lower well body 1 is placed in a foundation pit, the second support rod 9 arranged at the bottom of the lower well body 1 can support the lower well body 1. When the underground body 1 can not keep the horizontal state due to uneven bottom of the foundation pit, the first support rod 7 and the second support rod 9 move towards the direction of approaching to or separating from each other by rotating the corresponding adjusting piece 8, and then the height of the four sides of the underground body 1 can be gradually adjusted to be in the horizontal state, so that subsequent assembling work can be smoothly carried out. A large amount of manpower and material resources are saved, and the installation process is more convenient. After the lower well body 1 is installed, the upper well body 2 is sequentially inserted above the corresponding lower well body 1 from left to right. When two adjacent upper well bodies 2 are installed, the assembly piece 11 on the next upper well body 2 is vertically inserted downwards from the upper end opening of the assembly groove 10 on the previous upper well body 2, and when the assembly piece 11 is completely inserted into the assembly groove 10, the pressure plate 17 can press the assembly piece 11 in the assembly groove 10 along the horizontal direction under the action of the compression spring 16. As the pressing plate 17 is gradually pressed into the retreat groove 15, one end of the second rack 20 is inserted into the insertion groove 22 after passing through the through hole 21. The second rack 20 can realize the limit fixation between the two upper well bodies 2 along the vertical direction.
Example 2:
the embodiment provides a construction method for the prefabricated assembled cable working well, which comprises the following steps:
s1, carrying out enclosure construction of a cable working well foundation pit;
s2, excavating a foundation pit;
s3, pouring a C15 concrete cushion layer at the bottom of the foundation pit;
s4, coating anti-seepage coating on the soil facing surfaces of the upper well body 2 and the lower well body 1;
s5, measuring the flatness of the bottom of the foundation pit, and adjusting the length of the second support rod 9 to a proper position; then the lower well body 1 is sequentially placed in the foundation pit and connected through quick-setting concrete, and waterproof sealing treatment is carried out at the joint of the lower well body 1;
and S6, sequentially placing the upper well bodies 2 on the corresponding lower well bodies 1 one by one from the upper part of the foundation pit according to the sequence from left to right, and inserting the assembling pieces 11 on the next upper well body 2 one by one from the upper end openings of the assembling grooves 10 on the previous upper well body 2 in the assembling process. Finally, pouring concrete into the material injection channel 25 below the upper well body 2 to fix the upper well body 2 and the lower well body 1;
s7, laying a cable, inserting the cable into the channel 3 from the upper end perforation of the upper well body 2, and placing the cable on the support frame 6;
s8, adopting quick-setting high-efficiency waterproof mortar at the joint of the two pipelines, and finally backfilling soil.
The implementation effect of the embodiment is as follows:
the construction method can be quickly assembled in a construction site, and compared with the defects of slow construction period and large wet operation amount of the traditional site masonry, the construction method obviously improves the construction speed of the working well, and has important significance for shortening the construction period and reducing the cost in urban construction.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (7)
1. A prefabricated assembled cable working well comprises a lower well body (1) and an upper well body (2) which are vertically spliced, wherein a channel (3) which is arranged along the horizontal direction is formed at the center of the lower well body (1) and the center of the upper well body (2) together; the method is characterized in that: a yielding groove (4) with a downward opening is formed at the bottom of the lower well body (1), and a transverse plate (5) is arranged in the yielding groove (4) in a sliding manner along the vertical direction; a vertical first support rod (7) is arranged on the lower side wall of the transverse plate (5) departing from the lower well body (1), the lower end of the first support rod (7) is in threaded connection with an adjusting piece (8), and the lower end of the first support rod (7) is in threaded connection with a second support rod (9) through the adjusting piece (8); the first support rod (7) and the second support rod (9) are coaxial, and the upper inner side wall and the lower inner side wall of the adjusting piece (8) are provided with reverse threads; an assembling groove (10) is formed in one vertical surface of the upper well body (2), an assembling piece (11) is arranged on the other vertical surface, away from the assembling groove (10), of the upper well body (2), and the assembling groove (10) and the assembling piece (11) are symmetrically arranged on two sides of the upper well body (2); the assembling groove (10) is formed in the vertical direction, and an assembling piece (11) on the other upper well body (2) is inserted into the assembling groove (10) from an opening in the upper end of the assembling groove (10); the upper well body (2) is provided with a retreating groove (15) with an opening perpendicular to the insertion direction of the assembling piece (11), and the retreating groove (15) is communicated with the assembling groove (10); a compression spring (16) facing the splicing groove (10) is fixed in the retreat groove (15), the other end of the compression spring (16) is fixedly connected with a vertical pressing plate (17), and the pressing plate (17) is horizontally arranged in the retreat groove (15) in a sliding manner; the pressure plate (17) is pushed into the assembly groove (10) under the action of the compression spring (16).
2. The prefabricated and assembled cable working well according to claim 1, wherein: a vertical damping spring (12) is arranged in the abdicating groove (4), one end of the damping spring (12) is fixed on the abdicating groove (4), and the other end of the damping spring (12) is fixedly connected with the transverse plate (5); guide rods (13) respectively positioned at two sides of the damping spring (12) are also vertically arranged in the abdicating groove (4), and the lower ends of the guide rods (13) penetrate into the transverse plate (5) below; and the transverse plate (5) is arranged on the guide rod (13) in a sliding manner.
3. The prefabricated and assembled cable working well according to claim 1, wherein: a sawtooth-shaped fixing strip (14) is formed at the bottom of the lower well body (1), and the length direction of the fixing strip (14) is vertical to the opening direction of the channel (3); the adjacent fixing strips (14) are sequentially arranged along the width direction of the fixing strips, and the bottoms of the fixing strips (14) are uniformly arranged obliquely to one side.
4. The prefabricated and assembled cable working well according to claim 1, wherein: a gear (18) positioned on one side of the retreat groove (15) is rotatably connected to the upper well body (2), and a horizontal first rack (19) is meshed on one side of the gear (18); the first rack (19) is arranged in the upper well body (2) in a sliding mode, and one end, far away from the gear (18), of the first rack (19) is fixed with the pressing plate (17); a second rack (20) parallel to the first rack (19) is meshed on the other side of the gear (18), the first rack (19) and the second rack (20) are respectively positioned on two sides of the gear (18), and the second rack (20) is arranged in the upper well body (2) in a sliding manner along the telescopic direction of the compression spring (16); the pressing plate (17) is provided with a through hole (21) opposite to the second rack (20), and the assembling piece (11) is provided with a slot (22) for the second rack (20) to be inserted into.
5. The prefabricated and assembled cable working well according to claim 4, wherein: plug connectors (23) respectively positioned at two sides of the channel (3) are arranged at the bottom of the upper well body (2), and the plug connectors (23) are arranged along the opening direction of the channel (3); the upper end of the lower well body (1) is provided with a plugging groove (24) facing to each plug connector (23), and the plug connectors (23) are downwards inserted into the plugging grooves (24); the material passageway (25) of annotating along self length direction is seted up on plug connector (23) openly, discharge gate (26) with annotate material passageway (25) intercommunication are seted up to plug connector (23) side.
6. The prefabricated and assembled cable working well according to claim 1, wherein: the upper well body (2) is provided with a support frame (6) positioned at the top of the channel (3), and the support frame (6) is arranged at intervals along the opening direction of the channel (3).
7. The construction method of a prefabricated assembly type cable working well according to any one of claims 1 to 6, characterized by comprising the following steps:
s1, carrying out enclosure construction of a cable working well foundation pit;
s2, excavating a foundation pit;
s3, pouring a C15 concrete cushion layer at the bottom of the foundation pit;
s4, coating anti-seepage coating on the soil facing surfaces of the upper well body (2) and the lower well body (1);
s5, measuring the flatness of the bottom of the foundation pit, and adjusting the length of the second support rod (9) to a proper position; then the lower well body (1) is sequentially placed in the foundation pit;
s6, sequentially placing the upper well body (2) on the corresponding lower well body (1) one by one from the upper part of the foundation pit according to the sequence from left to right, and pouring concrete at the joint of the upper well body (2) and the lower well body (1);
s7, laying a cable;
s8, adopting quick-setting high-efficiency waterproof mortar at the joint of the two pipelines, and finally backfilling soil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214051.XA CN111287219B (en) | 2020-03-24 | 2020-03-24 | Prefabricated assembled cable working well and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214051.XA CN111287219B (en) | 2020-03-24 | 2020-03-24 | Prefabricated assembled cable working well and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111287219A CN111287219A (en) | 2020-06-16 |
| CN111287219B true CN111287219B (en) | 2021-07-23 |
Family
ID=71020929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010214051.XA Active CN111287219B (en) | 2020-03-24 | 2020-03-24 | Prefabricated assembled cable working well and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111287219B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827359A (en) * | 2020-07-27 | 2020-10-27 | 福建兴港建工有限公司 | Valve well and construction method thereof |
| CN112627309A (en) * | 2020-12-21 | 2021-04-09 | 福建鑫远建工有限公司 | Assembly type inspection well chamber structure and construction method thereof |
| CN112663675A (en) * | 2020-12-21 | 2021-04-16 | 福建鑫远建工有限公司 | Anti-settling inspection well chamber structure and construction method thereof |
| CN112647576B (en) * | 2020-12-21 | 2022-05-17 | 福建鑫远建工有限公司 | Prefabricated pipe-jacking inspection well chamber structure and construction method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2200010A1 (en) * | 1972-01-03 | 1973-07-12 | Dynamit Nobel Ag | Insulation for concrete structures - underground having pvc hard film, soft film and hard foam layers |
| CN1880591A (en) * | 2005-06-14 | 2006-12-20 | 上海久隆电力（集团）有限公司 | Precast splice type cable manhole and construction method therefor |
| CH699263B1 (en) * | 2004-11-11 | 2010-02-15 | E In Honegger & Paparo | Underfloor trunking system. |
| CN104819238A (en) * | 2015-04-29 | 2015-08-05 | 柳州东方工程橡胶制品有限公司 | Damping spring vibration isolator device with expansion sleeves and mounting and adjusting construction method thereof |
| CN109138001A (en) * | 2018-08-24 | 2019-01-04 | 绿山高科建设科技有限公司 | A kind of assembled architecture support base in architectural engineering |
| CN208331115U (en) * | 2018-06-22 | 2019-01-04 | 广东电网有限责任公司 | Cable shaft damping device |
| CN110374142A (en) * | 2019-07-26 | 2019-10-25 | 辽宁省城乡市政工程集团有限责任公司 | Road Buried body with adjustment mechanism |
-
2020
- 2020-03-24 CN CN202010214051.XA patent/CN111287219B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2200010A1 (en) * | 1972-01-03 | 1973-07-12 | Dynamit Nobel Ag | Insulation for concrete structures - underground having pvc hard film, soft film and hard foam layers |
| CH699263B1 (en) * | 2004-11-11 | 2010-02-15 | E In Honegger & Paparo | Underfloor trunking system. |
| CN1880591A (en) * | 2005-06-14 | 2006-12-20 | 上海久隆电力（集团）有限公司 | Precast splice type cable manhole and construction method therefor |
| CN104819238A (en) * | 2015-04-29 | 2015-08-05 | 柳州东方工程橡胶制品有限公司 | Damping spring vibration isolator device with expansion sleeves and mounting and adjusting construction method thereof |
| CN208331115U (en) * | 2018-06-22 | 2019-01-04 | 广东电网有限责任公司 | Cable shaft damping device |
| CN109138001A (en) * | 2018-08-24 | 2019-01-04 | 绿山高科建设科技有限公司 | A kind of assembled architecture support base in architectural engineering |
| CN110374142A (en) * | 2019-07-26 | 2019-10-25 | 辽宁省城乡市政工程集团有限责任公司 | Road Buried body with adjustment mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111287219A (en) | 2020-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111287219B (en) | Prefabricated assembled cable working well and construction method thereof | |
| CN108331026B (en) | Prefabricated reinforced concrete inspection well and construction method thereof | |
| CN110029753A (en) | A kind of crack resistence exempts from float strips board wall body and construction method | |
| CN212427116U (en) | Foundation pit supporting structure | |
| CN216360660U (en) | Flashboard connecting structure for river surface trestle approach hole | |
| CN114319608B (en) | Building auxiliary device based on BIM intelligent assembly type node structure | |
| CN214833782U (en) | House building rapid construction wall | |
| CN213597032U (en) | Piping lane prefab and assembled rectangle utility tunnel | |
| CN214006190U (en) | Assembled steel construction floor board | |
| CN214301783U (en) | Civil engineering foundation pit slope protection structure | |
| CN213782843U (en) | Distribution room cable trench with anti-settling function | |
| CN214423665U (en) | Prefabricated wallboard of assembled for basic station | |
| CN112695935B (en) | Infilled wall structure of steel-concrete structure building and construction method thereof | |
| CN210238705U (en) | Concrete ditch | |
| CN210195028U (en) | Slat internal partition wall door opening structure and internal partition wall | |
| CN212612942U (en) | Prefabricated assembled escape canal convenient to dismantle | |
| CN211735906U (en) | Wall body connecting structure of prefabricated shear wall | |
| CN209873854U (en) | Assembled equipment foundation of power station | |
| CN113898183A (en) | Mortar filling device of ceramsite concrete partition board and construction method thereof | |
| CN110344583B (en) | Wallboard formwork structure of flaw detection room and construction process thereof | |
| CN113136989A (en) | Assembled shear force wall tooth's socket type connection structure | |
| CN113293899A (en) | Mounting structure and mounting method of artificial brick curtain wall | |
| CN111560982A (en) | Installation method of cable prefabricated well | |
| CN214657262U (en) | Device for sealing outer wall post-cast strip in advance | |
| CN214246217U (en) | Assembled shear force wall |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |