CN213869877U - Rectangular circulating support working well - Google Patents
Rectangular circulating support working well Download PDFInfo
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- CN213869877U CN213869877U CN202022521509.4U CN202022521509U CN213869877U CN 213869877 U CN213869877 U CN 213869877U CN 202022521509 U CN202022521509 U CN 202022521509U CN 213869877 U CN213869877 U CN 213869877U
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Abstract
The utility model provides a rectangle circulation supporting work well relates to the push pipe construction technology field, can solve and strut the limited problem of rigidity. The device comprises a crown beam assembly, a plurality of groups of guard plate assemblies and an operation hole supporting assembly, wherein the crown beam assembly is arranged on the upper surface of a working pit; the guard plate assemblies are sequentially installed along the depth direction of the working pit, two adjacent sets of guard plate assemblies are connected with each other, and each set of guard plate assembly is installed in a manner of clinging to the pit wall of the working pit; the uppermost group of guard plate assemblies are fixedly connected with the side surfaces of the crown beam assemblies; the operation entrance to a cave supporting component sets firmly in the below of the bottom a set of backplate subassembly, operation entrance to a cave supporting component reserves has the operation entrance to a cave, the operation entrance to a cave supporting component is also hugged closely the pot wall installation of work hole. The crown beam assembly, the guard plate assembly and the operation entrance to a cave supporting assembly are assembled into a whole, and the guard plate assembly and the operation entrance to a cave supporting assembly are both installed in a manner of being tightly attached to the wall of the pit, so that the supporting rigidity of the working well is improved.
Description
Technical Field
The utility model relates to a push pipe construction field especially relates to a rectangle circulating support working well.
Background
The pipe-jacking construction belongs to a non-excavation construction method, and is a pipeline burying construction technology without excavation or with few excavations. The pipe jacking construction is that the friction force between the pipeline and the surrounding soil is overcome by means of the jacking force generated by jacking equipment in a working well, the pipeline is jacked into the soil according to the designed gradient, and earthwork is transported away. After one section of pipe is pushed into the soil layer, the second section of pipe is pushed into the soil layer continuously. The principle is that by means of the thrust of the main jacking oil cylinder, the thrust between pipelines, the thrust between relays and the like, a tool pipe or a heading machine is pushed from a working well to a receiving well through a soil layer.
In pipe jacking construction, a place where a jack is installed and a lower pipe is jacked during pipe jacking is called a working well, the working well is a key link in the pipe jacking construction process, the working well is a place for placing all jacking equipment, is also a starting place of a pipe jacking tunneling machine or a tool head, and is also a structure for bearing the reaction force of a main jacking oil cylinder. In order to avoid influencing traffic of construction road sections, polluting surrounding environment and reducing resource waste, the supporting structure of the working well which is convenient to manufacture and disassemble is adopted.
For example, patent document No. 107700499a discloses a pipe-jacking working well supporting structure, which includes a well wall, and supporting plates locked with each other are arranged along the circumference of the well wall, the outer side of the joint of the supporting plates is fixedly connected with an outer ring i-steel arranged in the well wall, the inner side of the joint of the supporting plates is fixedly connected with an inner ring i-steel, a reinforcing ring composed of two prefabricated concrete half rings is arranged at the bottom of the working well, the outer surface of the reinforcing ring is abutted against the surface of the inner ring i-steel, and a supporting beam is arranged between the two concrete half rings. According to the supporting device, the inner ring I-steel and the outer ring I-steel are fixed together, and the outer ring I-steel exists between the well wall and the supporting plate, so that the supporting plate cannot be attached to the well wall, the supporting rigidity of the working well is limited, and the deformation risk still exists.
In view of the above, there is a need to improve the existing working well supporting method to solve the problem of limited supporting rigidity.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a rectangle circulatory support working well, hat roof beam subassembly, backplate subassembly and operation entrance to a cave support subassembly and assemble an organic whole, and the installation of well wall is all hugged closely to backplate subassembly and operation entrance to a cave support subassembly, improves working well support rigidity.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
the embodiment of the utility model provides a rectangle cyclical support working well, the earthwork excavation forms the work hole of rectangle, and rectangle cyclical support working well is used for strutting this work hole, and rectangle cyclical support working well includes:
the top beam assembly is arranged on the upper surface of the working pit and surrounds a first rectangle;
the protective plate assemblies are sequentially installed along the depth direction of the working pit, one protective plate assembly is installed when one layer of working pit is excavated, two adjacent protective plate assemblies are connected with each other, and each protective plate assembly is installed in a manner of being tightly attached to the pit wall of the working pit; each group of guard plate components is enclosed into a second rectangle, and the uppermost group of guard plate components is fixedly connected with the side surface of the crown beam component;
the operation entrance to a cave supporting component, the operation entrance to a cave supporting component sets firmly in the below of the bottom a set of backplate subassembly, the operation entrance to a cave supporting component encloses into the third rectangle and reserves the operation entrance to a cave, the operation entrance to a cave supporting component is also hugged closely the pit wall installation of work hole.
In some embodiments, the crown beam assembly is secured to an upper surface of the working pit by a first securing assembly;
each group of guard plate assemblies is fixed on the pit wall of the working pit through a second fixing assembly;
the operation hole supporting assembly is fixed on the wall of the working pit through a third fixing assembly;
the first securing assembly is different from the second securing assembly and the third securing assembly.
In some embodiments, the crown beam assembly comprises a plurality of crown beam plates, the crown beam assembly being secured to the upper surface of the working pit by a first securing assembly;
the first fixing assembly is a plurality of fasteners, and each fastener penetrates through the two crown beam plates and fixedly connects the two crown beam plates.
In some embodiments, the apron assembly includes a plurality of aprons, and the operational opening support assembly includes a plurality of supports;
each group of guard plate assemblies is fixed on the wall of the working pit through a second fixing assembly, and the operation hole supporting assembly is fixed on the wall of the working pit through a third fixing assembly;
the second fixing assembly and the third fixing assembly comprise a plurality of angle braces, and adjacent guard plates and adjacent supporting pieces are fixed on the pit wall of the working pit through the angle braces.
In some embodiments, the two groups of guard plate assemblies, the lowermost guard plate assembly and the operation hole supporting assembly are fixedly connected through a group of ring beam assemblies;
the ring beam assembly comprises a plurality of cross beams, the cross beams are connected end to form a round structure, each cross beam is located at two groups of guard plate assemblies or splicing positions of the guard plate assemblies and the operation opening supporting assemblies, and the guard plate assemblies and the operation opening supporting assemblies are fixedly connected with the cross beams.
In some embodiments, the guard plate width of the guard plate assembly and the support width of the operation opening support assembly are matched with the length of the cross beam, and the corner support is fixedly arranged between the two cross beams.
In some embodiments, an uppermost set of the fender assemblies is suspended laterally of the crown beam assemblies;
the lower group of the guard plate assemblies is suspended at the bottom ends of the upper group of the guard plate assemblies;
the operation hole supporting assembly is suspended at the bottom ends of the lowermost group of guard plate assemblies;
the guard plate assembly and the operation hole supporting assembly are both tightly attached to the wall of the working pit through angle braces.
In some embodiments, the operational opening support assembly includes a plurality of supports;
each supporting piece is supported against the bottom of the working pit, and the guard plate assembly and the supporting pieces are fixed by the plurality of bottom plates and the crown beam assembly in the height direction of the working pit.
In some embodiments, some of the supporting pieces are provided with notches, and all the notches are spliced to form an operation hole of the rectangular circulating support working well.
In some embodiments, the crown beam assembly has a crown beam plate width h1 and the apron assembly has an apron thickness h2The thickness of the supporting plate of the supporting assembly at the operation opening is h3，3h2＜h1，3h3＜h1，h2Is close to or equal to h3。
In the present disclosure, at least the following technical effects or advantages are provided:
the utility model discloses an in the embodiment, the subassembly is strutted to crown beam subassembly, backplate subassembly and operation entrance to a cave and is pieced together integratively, and the installation of well wall is all hugged closely to backplate subassembly and operation entrance to a cave support subassembly, has effectively solved the limited problem of working well support rigidity, and then improves the working well support rigidity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Figure 1 is a perspective view of a rectangular endless support working well provided in accordance with some embodiments of the present disclosure;
FIG. 2 is a schematic view of the corner brace structure of FIG. 1;
FIG. 3 is a schematic structural view of the coil assembly of FIG. 1;
FIG. 4 is a schematic view of the first shield of FIG. 1;
FIG. 5 is a schematic view of the second shield of FIG. 1;
FIG. 6 is a schematic structural view of the two crown beam plates of FIG. 1 being spliced together;
reference numerals: 1-a crown beam assembly; 11-crown plate; 12-a first fixation assembly; 121-a fastener; 122-a fastening nut; 2-a fender assembly; 21-guard board; 211-a plate body; 212-a fixed plate; 22-a second fixation assembly; 3-operating a supporting component of the opening; 31-a support; 33-a notch; 4-corner brace; 41-mounting pieces; 42-a first gusset section; 43-a double-ended threaded section; 44-a second gusset section; 5-a collar beam assembly; 51-a cross beam; 52-fixed block; 53-a fixture; 54-connecting plate.
Detailed Description
The present disclosure is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present disclosure, and those skilled in the art should understand that the functional, methodological, or structural equivalents of these embodiments or substitutions may be included in the scope of the present disclosure.
In the description of the embodiments of the present disclosure, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The embodiment of the disclosure provides a rectangular circulating support working well, which is used for pipe jacking construction. The rectangular circulating support working well is mainly an assembled circulating support working well, and the embodiment of the disclosure is a new technology for replacing a traditional reverse construction method reinforced concrete working well. The rectangular circulating support working well adopts an all-steel form, can be immediately assembled on site after the excavation of the site foundation pit is finished, realizes the integrated installation from the crown beam assembly 1 to the plurality of groups of guard plate assemblies 2 and the operation opening support assembly 3, and has the advantages of high installation speed, short construction period and cyclic utilization.
In some embodiments, the working well includes, for example, a rectangular-shaped circulation support device, which may be a steel rectangular-shaped circulation support device, and a working pit formed by an in-situ excavation.
Referring to fig. 1, the embodiment of the present disclosure provides a rectangular circulating supporting working well, which includes a rectangular circulating supporting device and a working pit, wherein the working pit is formed by earth excavation, the rectangular circulating supporting device is used for supporting the working pit, and the rectangular circulating supporting device includes a crown beam assembly 1, a plurality of groups of guard plate assemblies 2 and an operation opening supporting assembly 3.
Wherein, the crown beam assembly 1 encloses a first rectangle, and the crown beam assembly 1 is arranged on the upper surface of the working pit. A plurality of groups of guard plate assemblies 2 are sequentially installed along the depth direction of the working pit, one group of guard plate assemblies 2 are installed in the working pit when a layer of working pit is excavated, two groups of guard plate assemblies 2 which are adjacent to each other are mutually connected, and each group of guard plate assemblies 2 are all installed in a manner of clinging to the pit wall of the working pit; and each group of guard plate assemblies 2 is enclosed into a second rectangle, and the uppermost group of guard plate assemblies 2 are fixedly connected with the bottom ends of the crown beam assemblies 1. Operation entrance to a cave supporting component 3, operation entrance to a cave supporting component 3 sets firmly in the below of a set of backplate subassembly 2 of below, and operation entrance to a cave supporting component 3 encloses into the third rectangle and reserves the operation entrance to a cave, and operation entrance to a cave supporting component 3 also hugs closely the pit wall installation of work hole.
Optionally, the crown beam assembly 1 comprises: the square crown beams are formed by splicing a plurality of beam blocks, the square crown beams with different sizes are formed by splicing different numbers of beam blocks, and the square crown beams are arranged around the working well; the beam blocks are made of metal materials and are of groove-shaped structures, the side faces of the adjacent beam blocks are fixed with each other, and the bottom faces of the beam blocks are in contact with soil around the working well.
Referring to fig. 6, a plurality of first through holes are formed in the side surface of the beam block, and the plurality of first through holes are arranged in at least one row; every first through-hole that adjacent roof beam piece is coaxial all runs through there is first fastener, and first fastener is adjacent roof beam piece fixed connection. All the beam blocks have the same width, and the lengths of the partial beam blocks are different. The opening of the groove-shaped structure faces upwards. The groove depth of the groove-shaped structure is smaller than the groove width of the groove-shaped structure.
Optionally, a supporting assembly (a plurality of groups of guard plate assemblies 2 and operating hole supporting assemblies 3) is installed on the well wall of the working well, and the beam block is flush with the well wall in the width direction; the side of the beam block is fixedly connected with the supporting assembly.
The side of the beam block is fixedly connected with the top end of the supporting assembly after contacting. A plurality of first through holes are formed in at least two side faces of the beam block. At least one side surface provided with the first through holes is also provided with a plurality of second through holes, the beam block is also fixedly provided with a supporting assembly, the supporting assembly is in contact with the wall of the working well, and the supporting assembly is also provided with second through holes; the supporting assembly and the beam block are fixed through a second fastener, and the second fastener penetrates through a second through hole of the supporting assembly and a second through hole of the beam block at the same time. The supporting assembly comprises a plurality of supporting and protecting plates, and at least one supporting and protecting plate is fixed on the same beam block.
Illustratively, the crown beam assemblies 1 are fixed on the upper surface of the working pit through first fixing assemblies 12, each group of the guard plate assemblies 2 is fixed on the pit wall of the working pit through second fixing assemblies 22, and the operation hole support assemblies 3 are fixed on the pit wall of the working pit through third fixing assemblies. The first stationary component 12 is different from the second and third stationary components 22 and 22.
Referring to fig. 6, based on the above, the crown beam assembly 1 includes a plurality of crown beam plates 11, and the crown beam assembly 1 is fixed on the upper surface of the working pit by a first fixing assembly 12; the first fixing member 12 is a plurality of fasteners, each of which penetrates the two crown plates 11 and fixedly connects the two crown plates 11.
Based on the above, the protecting plate component 2 comprises a plurality of protecting plates, and the operation hole supporting component 3 comprises a plurality of supporting pieces 31; each group of guard plate assemblies 2 is fixed on the wall of the working pit through a second fixing assembly 22, and the operation hole supporting assembly 3 is fixed on the wall of the working pit through a third fixing assembly; the second fixing assembly 22 and the third fixing assembly each comprise a plurality of corner supports 4, and adjacent guard plates and adjacent supporting pieces 31 are fixed on the pit wall of the working pit through the corner supports 4.
In some embodiments, the second and third securing assemblies comprise a loop beam having four corners, each corner having secured thereto a gusset structure, one end of the gusset structure being connected to one edge of the corner and the other end of the gusset structure being connected to the other edge of the corner, and a 4N gusset structure.
Referring to fig. 2, the corner brace structure includes: 8 group's installation pieces, 8 bolts and 4 angle brace bodies, every limit at corner all is fixed with 2 groups of installation pieces, and every installation axle all articulates a set of installation piece, and the angle brace body is installed between two sets of installation pieces.
The angle brace body comprises a first angle brace section, a second angle brace section and a double-thread section, wherein the first angle brace section is connected with the second angle brace section through the double-thread section; the first corner support section is provided with a first lug, and the second corner support section is provided with a second lug; the first lug, the second lug and the mounting piece are hinged through a pin shaft; one end of the double-thread section is a forward thread, and the other end of the double-thread section is a reverse thread; the double-ended threaded section is rotated to extend or shorten the gusset body.
Each group of mounting pieces comprises a first piece body and a second piece body, and the end part of the gusset body is positioned between the first piece body and the second piece body; one end of the pin shaft sequentially penetrates through the first sheet body, the corner support body and the second sheet body, and the installation sheet is hinged to the corner support body.
In some embodiments, the ring beam comprises 2 first beam bodies and 2 second beam bodies, wherein the 2 second beam bodies are positioned between the 2 first beam bodies, the 2 first beam bodies and the 2 second beam bodies enclose a ring shape, and four corners are formed between the 2 first beam bodies and the 2 second beam bodies; 4 corner brace structures are installed at 2 first roof beam bodies and 2 second roof beam bodies.
On this basis, the ring beam fixes adjacent supporting and protecting ring through multiunit coupling assembling.
Each group of connecting components comprises 2M fixed blocks and a plurality of fixing pieces, each supporting and protecting ring fixes M fixed blocks, the fixed blocks of adjacent supporting and protecting rings correspond to each other one by one, and M is larger than 1; the ring beam is positioned between a pair of fixing blocks of the adjacent supporting and protecting rings.
Based on the above, the mounting is bolt and nut, and the bolt is fixed through the nut after passing through the fixed block of a supporting and protecting ring, collar tie beam and the fixed block of another supporting and protecting ring in proper order.
Referring to fig. 4 and 5, the guard plate is shown as a ring; each guard plate is provided with at least one fixed block. It should be noted that a part of the protection plate includes a plate body 211 and a fixing plate 212, and the fixing plate 212 is disposed on the plate body 211; a through hole for the fixing piece to pass through is formed in the fixing plate 212, and the fixing piece fixedly connects the fixing plate 212 with the crown beam; the other part of the guard plates comprise plate bodies 211, and the ring beams are positioned at the splicing positions of the one part of the guard plates and the other part of the guard plates; the fixed blocks are all fixed on the plate body 211.
The protective plates are surrounded into a circle, each protective plate is in contact with the wall of the working pit, the working pit comprises a first pit, a second pit and a third pit from top to bottom, a crown beam assembly 1 is arranged in the circumferential direction of the wall of the first pit section, a steel structure supporting assembly is arranged in the circumferential direction of the wall of the second pit section, and an operation hole supporting ring is arranged in the circumferential direction of the wall of the third pit section. Wherein, hat roof beam subassembly 1 contains two at least hat roof beams, and two adjacent hat roof beams all pass through bolt and nut and connect.
The width of the crown beam is larger than the thickness of the protecting plate, and the crown beam extends to the soil side in the width direction to prevent the top edge of the working pit from collapsing, so that the safety of the working pit is improved. The width of the crown beam is greater than the thickness of the supporting plate adjacent to the crown beam, and is generally greater than 3-5 times the thickness of the supporting plate, so as to better prevent the collapse of the top edge of the working pit.
In practice, the crown beam and the guard plate which are made of steel structures are used, the strength and the hardness are better, the rectangular circulating support working well is safer and more reliable, and the manufacturing cost of the rectangular circulating support working well can be reduced due to the fact that steel is easy to obtain, and then the manufacturing cost of the whole working well is reduced.
In the preparation of actual work well, according to the number of installation steel construction support protective shroud, the excavation is divided into many times to the second hole section for the second hole section forms a plurality of excavation sections, and a plurality of backplate correspond respectively and the laminating sets up on the gallery wall of a plurality of excavation sections, excavates next excavation section after last round backplate has set up.
When the operation entrance to a cave supporting ring is steel structure support 31, the wall thickness of steel structure support 31 is unanimous with the wall thickness of backplate subassembly 2, and the backplate inner wall constitutes same surface with the inner wall of operation entrance to a cave supporting component 3, makes the experience effect of work better in the work well.
As another example, the crown beam assembly 1 is fixed on the upper surface of the working pit by welding, each set of the fender assemblies 2 is fixed on the pit wall of the working pit by welding, and the operation hole support assembly 3 is fixed on the pit wall of the working pit by welding.
As another example, the crown beam assembly 1 is fixed on the upper surface of the working pit through clamping, each group of the guard plate assemblies 2 is fixed on the pit wall of the working pit through clamping, and the operation hole support assembly 3 is fixed on the pit wall of the working pit through clamping.
On the basis, the two groups of guard plate assemblies 2, the lowermost guard plate assembly 2 and the operation hole supporting assembly 3 are fixedly connected through a group of ring beam assemblies; the ring beam assembly comprises a plurality of cross beams, the cross beams are connected end to form a round structure, each cross beam is located at the splicing positions of the two sets of guard plate assemblies 2 or the guard plate assemblies 2 and the operation opening supporting assembly 3, and the guard plate assemblies 2 and the operation opening supporting assembly 3 are fixedly connected with the cross beams.
Optionally, the guard plate width of the guard plate assembly 2 and the width of the supporting piece 31 of the operation opening supporting assembly 3 are both matched with the length of the cross beam, and the corner support is fixedly arranged between the two cross beams.
It should be noted that the top group of fender assemblies 2 is suspended at the bottom end of the crown beam assembly 1; the lower group of guard board components 2 are suspended at the bottom ends of the upper group of guard board components 2; the operation hole supporting assembly 3 is suspended at the bottom ends of the lowermost group of guard plate assemblies 2; the guard plate component 2 and the operation opening supporting component 3 are both tightly attached to the wall of the working pit through angle braces.
Based on the above, the operation hole support assembly 3 comprises a plurality of supports 31; each support member 31 is supported at the bottom of the working pit, and the guard plate assembly 2 and the support members 31 are fixed by the plurality of bottom plates and the crown beam assembly 1 in the height direction of the working pit.
As can be understood by those skilled in the art, a part of the supporting pieces 31 in the plurality of supporting pieces 31 are provided with notches 33, and all the notches 33 are spliced to form an operation hole of the rectangular circulating support working well.
Optionally, the thickness of the crown beam plate 11 of the crown beam assembly 1 is h1The thickness of the guard plate component 2 is h2The thickness of the supporting plate of the supporting component 3 at the operation opening is h3，3h2＜h1，3h3＜h1，h2Is close to or equal to h3。
Preferably, the crown plate 11 has a width of 1m and a height of 30 cm. Preferably, the thickness of the guard plate assembly 2 is 15cm, the width is 1m, and the height is 1.5 m.
The above-listed detailed description is merely a specific description of possible embodiments of the present disclosure, and is not intended to limit the scope of the disclosure, which is intended to include within its scope equivalent embodiments or modifications that do not depart from the technical spirit of the present disclosure.
It will be evident to those skilled in the art that the disclosure is not limited to the details of the foregoing illustrative embodiments, and that the present disclosure may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the disclosure being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a rectangle cyclical support working well, the earthwork excavation forms the work hole of rectangle, and rectangle cyclical support working well is used for strutting this work hole, and its characterized in that, rectangle cyclical support working well includes:
the top beam assembly is arranged on the upper surface of the working pit and surrounds a first rectangle;
the guard plate assemblies are sequentially arranged along the depth direction of the working pit, two adjacent sets of guard plate assemblies are mutually connected, and each set of guard plate assembly is arranged to be attached to the pit wall of the working pit; each group of guard plate components is enclosed into a second rectangle, and the uppermost group of guard plate components is fixedly connected with the side surface of the crown beam component;
the operation entrance to a cave supporting component, the operation entrance to a cave supporting component sets firmly in the below of the bottom a set of backplate subassembly, the operation entrance to a cave supporting component encloses into the third rectangle and reserves the operation entrance to a cave, the operation entrance to a cave supporting component is also hugged closely the pit wall installation of work hole.
2. The rectangular cyclical support working well according to claim 1, wherein the crown beam assembly is fixed to the upper surface of the working pit by a first fixing assembly;
each group of guard plate assemblies is fixed on the pit wall of the working pit through a second fixing assembly;
the operation hole supporting assembly is fixed on the wall of the working pit through a third fixing assembly;
the first securing assembly is different from the second securing assembly and the third securing assembly.
3. The rectangular cyclical support working well as recited in claim 1, wherein the crown beam assembly comprises a plurality of crown beam plates, the crown beam assembly being secured to the upper surface of the working pit by a first securing assembly;
the first fixing assembly is a plurality of fasteners, and each fastener penetrates through the two crown beam plates and fixedly connects the two crown beam plates.
4. The rectangular cyclical supporting working well of claim 1, wherein the panel assembly comprises a plurality of panels and the working opening support assembly comprises a plurality of supports;
each group of guard plate assemblies is fixed on the wall of the working pit through a second fixing assembly, and the operation hole supporting assembly is fixed on the wall of the working pit through a third fixing assembly;
the second fixing assembly and the third fixing assembly comprise a plurality of angle braces, and adjacent guard plates and adjacent supporting pieces are fixed on the pit wall of the working pit through the angle braces.
5. The rectangular circulating support working well according to claim 4, wherein the two groups of guard plate assemblies, the lowermost guard plate assembly and the operation hole opening support assembly are fixedly connected through a group of ring beam assemblies;
the ring beam assembly comprises a plurality of cross beams, the cross beams are connected end to form a round structure, each cross beam is located at two groups of guard plate assemblies or splicing positions of the guard plate assemblies and the operation opening supporting assemblies, and the guard plate assemblies and the operation opening supporting assemblies are fixedly connected with the cross beams.
6. The rectangular circulating support working well as claimed in claim 5, wherein the guard plate width of the guard plate assembly and the support member width of the operation hole support assembly are matched with the length of the cross beam, and the corner support is fixedly arranged between the two cross beams.
7. The rectangular cyclical supporting work well of claim 1, wherein an uppermost set of said apron assemblies are suspended from the sides of said crown beam assemblies;
the lower group of the guard plate assemblies is suspended at the bottom ends of the upper group of the guard plate assemblies;
the operation hole supporting assembly is suspended at the bottom ends of the lowermost group of guard plate assemblies;
the guard plate assembly and the operation hole supporting assembly are both tightly attached to the wall of the working pit through angle braces.
8. The rectangular cyclical support working well as claimed in claim 1, wherein the crown beam plate width of the crown beam assembly is h1, and the guard plate thickness of the guard plate assembly is h2The thickness of the supporting plate of the supporting assembly at the operation opening is h3，3h2＜h1，3h3＜h1，h2Is close to or equal to h3。
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|---|---|---|---|
| CN202022521509.4U CN213869877U (en) | 2020-11-04 | 2020-11-04 | Rectangular circulating support working well |
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| CN202022521509.4U CN213869877U (en) | 2020-11-04 | 2020-11-04 | Rectangular circulating support working well |
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