CN217206484U - Needle beam - Google Patents
Needle beam Download PDFInfo
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- CN217206484U CN217206484U CN202221244837.7U CN202221244837U CN217206484U CN 217206484 U CN217206484 U CN 217206484U CN 202221244837 U CN202221244837 U CN 202221244837U CN 217206484 U CN217206484 U CN 217206484U
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- needle beam
- plate
- seat
- truss
- supporting leg
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Abstract
The utility model discloses a needle beam, which comprises a plurality of sections of needle beam units, wherein each section of needle beam unit is detachably connected; the needle beam unit comprises a needle beam main truss; the needle beam main truss comprises a side truss and an end connecting plate; one end of the side truss is provided with a connecting hole group, the end connecting plate comprises a plurality of groups of connecting holes, and the needle beam units are assembled through the connecting hole group and the end connecting plate. After the needle beam units are put into use and assembled, the needle beam units are only assembled by matching the connecting hole groups and the end connecting plates with corresponding fasteners, and the side trusses and the end connecting plates are only needed to be assembled and disassembled without other components, so that the assembling and disassembling workload is reduced, the construction efficiency is improved, and the construction period is ensured.
Description
Technical Field
The utility model belongs to the technical field of the tunnel construction equipment, especially, relate to a needle beam.
Background
At present, in the tunnel construction process of a small-radius bend (the radius of the bend is less than 50 meters), a needle beam trolley needs to be disassembled and transported out when passing the bend, and then is assembled on a straight line section. The common needle beam comprises a plurality of sections of needle beam units, and the prior common needle beam units have the defects of low standardization degree, more parts for dismounting, large dismounting workload, low efficiency and long time consumption.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient needle roof beam of dismouting.
The needle beam provided by the utility model comprises a plurality of sections of needle beam units, and the sections of needle beam units are detachably connected;
the needle beam unit comprises a needle beam main truss;
the needle beam main truss comprises a side truss and an end connecting plate;
one end of the side truss is provided with a connecting hole group, the end connecting plate comprises a plurality of groups of connecting holes, and the needle beam units are assembled through the connecting hole group and the end connecting plate.
The end connecting plate comprises a vertical plate and a double lug plate group; the vertical plate is a rectangular plate, and a plurality of groups of connecting holes are formed in the vertical plate; the double lug plate group is connected to the inner side of the vertical plate; the end connecting plate is fixedly connected outside the end part of the side truss provided with the connecting hole group through the vertical plate.
The needle beam main truss also comprises an end cross beam and a connecting truss; the side trusses are arranged in parallel, the end beams are connected to the end portions of the two side trusses, and the connecting trusses are connected between the two side trusses and located between the end beams.
The needle beam unit further comprises a front supporting leg assembly and a supporting leg mounting seat which are respectively arranged at two ends of the needle beam unit.
The front supporting leg assembly comprises a fixed seat, a first lifting oil cylinder, a front supporting leg and a base; the fixing seat is an H-shaped seat body and comprises a horizontal section and a vertical section, the vertical section comprises a top flange and a seat cover, the seat cover is a cuboid cover, the top flange is connected to the top end of the seat cover, and the vertical section is connected outside the horizontal section through the side face of the seat cover; the top end of the front supporting leg is provided with an opening, a pair of ear plates is arranged in the opening, and a hinge seat is arranged below the bottom of the front supporting leg; the front supporting leg is coaxially arranged in the seat sleeve, the top of the first lifting oil cylinder is assembled with the top flange, the bottom of the first lifting oil cylinder is connected with the lug plate, and the base is hinged below the hinge seat; the front supporting leg assembly is connected to the lower portion of the end cross beam through the translation oil cylinder and the U-shaped plate.
The horizontal section of the fixed seat is provided with an ear seat, and the inner side of the side truss is provided with the ear seat; the translation oil cylinder is arranged between the two lug seats and used for regulating and controlling the horizontal position of the front supporting leg assembly; the U-shaped plate is coated below the horizontal section, and the top of the U-shaped plate is connected with the end beam; the base is a bow-shaped base body, the horizontal edges of the base are provided with lug plates, and the arc edges of the base are provided with through grooves for reducing weight and passing water.
The supporting leg mounting seat comprises a sliding sleeve and a top seat;
the sliding sleeve comprises a sleeve main body, an end plate and a single lug plate; the sleeve main body is a cuboid sleeve with openings at two ends, and a pin hole is formed in the sleeve wall at the top end of the sleeve main body; the end plate is a rectangular plate, the upper part of the end plate is connected with the hole, and the end plate is connected to the outer side of the sleeve main body; the single ear plates are uniformly arranged and connected to the side edges of the end plates;
the footstock comprises a rectangular plate and a hinged seat, the hinged seat is fixedly connected under the rectangular plate, the footstock is detachably connected to the top of the sleeve main body through the rectangular plate, and the hinged seat is connected with the sleeve main body through a pin shaft penetrating through a pin hole.
The utility model discloses after the input is used, when assembling between each section needle beam unit, only need through connect punch combination and end even the corresponding fastener of board cooperation can, the dismouting only involves the side truss and the end even board, does not relate to other parts, reduces the dismouting work load, does benefit to and improves the efficiency of construction, guarantees construction period.
Drawings
Fig. 1 is an axial view of a preferred embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the first needle beam unit in the present preferred embodiment.
Fig. 3 is an enlarged view of the assembly of the front leg assembly in the preferred embodiment.
Fig. 4 is an enlarged view of the assembly of the leg mount in the preferred embodiment.
Fig. 5 is an enlarged schematic view of the second needle beam unit in the present preferred embodiment.
Fig. 6 is an enlarged schematic view of the third beam unit in the present preferred embodiment.
Reference numerals
1-a first needle beam unit,
11-a first needle beam main truss, 111-a side truss, 112-an end cross beam, 113-a connecting truss, 114-an end connecting plate, 115-an upper guide rail, 116-a lower guide rail,
12-front supporting leg component, 121-fixing seat, 122-lifting oil cylinder, 123-front supporting leg, 124-base, 125-U-shaped baffle plate and 126-horizontal oil cylinder,
13-supporting leg mounting seat, 131-sliding sleeve, 132-top seat;
2-a second needle beam unit,
21-a second needle beam main truss, 22-a guide wheel;
3-third pin beam unit, 31-third pin beam main truss, 32-bracket, 33-rear supporting leg, 34-pull rod;
4-needle beam connecting plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise specifically indicated and limited. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
As shown in fig. 1, the needle beam disclosed in this embodiment includes a first needle beam unit 1, a second needle beam unit 2, and a third needle beam unit 3, which are sequentially arranged along an axis, and the needle beam units are connected by bolts.
As shown in fig. 2, the first needle beam unit 1 includes a first needle beam main truss 11, a front leg assembly 12, and a leg mount 13; the front supporting leg assembly 12 and the supporting leg installation seat 13 are respectively arranged at two ends of the first needle beam main truss 11.
The first pin girder main truss 11 is a rectangular parallelepiped truss, and includes a side truss 111, an end cross member 112, a connection truss 113, and an end link plate 114. One end of the side truss 111 is provided with a connecting hole group, the top of the side truss 111 is provided with an upper guide rail 115, the bottom of the side truss 111 is provided with a lower guide rail 116, and the pair of side trusses 111 are arranged in parallel. The end cross member 112 serves as a connecting member for connecting the pair of side trusses 111, and each connecting truss 113 is connected between the side trusses 111 and is located in a region between the end cross members 112. The end connecting plate 114 includes a vertical plate and a double lug plate group, the vertical plate is a rectangular plate, a plurality of groups of connecting holes are formed in the vertical plate, the double lug plate group is connected to the inner side of the vertical plate, and the end connecting plate 114 is fixedly connected to the outer side of the end portion, provided with the connecting hole group, of the side truss 111 through the vertical plate.
As shown in fig. 3, the front leg assembly 12 includes a fixing base 121, a lift cylinder 122, a front leg 123, and a base 124.
The fixing base 121 is an H-shaped base, and is connected to the lower portion of the end beam 112 of the first needle beam main truss 11 by a horizontal section thereof, and a U-shaped baffle 125 is provided to ensure connection stability. The vertical section of fixing base 121 includes top flange and seat cover, and the seat cover is the cuboid cover, and top flange joint is on the top of seat cover, and vertical section is connected outside the horizontal segment with its side.
Establish a pair of ear seat on the horizontal segment of fixing base 121, the side truss 111 inboard of both sides also is equipped with the ear seat, sets up translation hydro-cylinder 126 between horizontal segment ear seat and the homonymy side truss ear seat, and fixing base 121 passes through a pair of translation hydro-cylinder 126 to be connected, and the U template cladding is under the horizontal segment, the top links to each other with the end crossbeam. In actual use, the translation oil cylinder 126 works to adjust the relative horizontal position of the fixing seat 121 and the first needle beam main truss 11, so that the assembling and disassembling convenience between the needle beam units is further improved.
The lift cylinder 122 is disposed in the vertical section of the fixing base 121, the top of the lift cylinder is connected to the top flange, and the bottom of the lift cylinder is connected to the rear leg.
The front support leg 123 is a rectangular seat, the top end of which is open, a pair of ear plates are arranged in the front support leg for assembling with the lift cylinder, and a hinged seat is arranged below the bottom of the front support leg for installing a base.
The base 124 is a bow-shaped base body, the horizontal edges of which are provided with ear plates to be connected with the front supporting legs, and the arc edges of which are provided with through grooves for reducing weight and passing water.
As shown in fig. 4, the leg mount 13 includes a sliding sleeve 131 and a top seat 132.
The sliding sleeve 131 includes a sleeve body, an end plate, and a single lug plate; the sleeve main body is a cuboid sleeve with openings at two ends, and a pin hole is formed in the sleeve wall at the top end of the sleeve main body; the end plate is a rectangular plate, a connecting hole is formed in the end plate, and the end plate is connected to the outer side of the sleeve main body; a plurality of single otic placodes are evenly arranged, connect in the side of end plate.
The top seat 132 comprises a rectangular plate and a hinged seat, the hinged seat is fixedly connected under the rectangular plate, the top seat is detachably connected to the top of the sleeve main body through the rectangular plate, and the hinged seat is connected with the sleeve main body through a pin shaft penetrating through a pin hole.
As shown in fig. 5, the second needle beam unit 2 includes a second needle beam main truss 21, and the second needle beam main truss 21 is similar to the first needle beam main truss 11 in structure, except that both ends of the side truss in the second needle beam main truss 21 are provided with a connecting hole set, and the top of the second needle beam main truss 21 is provided with a plurality of guide wheels 22 so as to cooperate with the installation of the traveling mechanism.
As shown in fig. 6, the third pin beam unit 3 includes a third pin beam main truss 31, a leg mount, a bracket 32, a rear leg 33, and a tie bar 34.
The third needle beam main truss 31 is similar to the first needle beam main truss 11 in structure, except that a plurality of guide wheels are arranged at the top of the third needle beam main truss 31 so as to be matched with a walking mechanism. The trolley is driven to travel by the traveling mechanism.
The support 32 is an H-shaped frame and comprises a horizontal section and a vertical section, the two vertical sections are respectively arranged at two ends of the horizontal section, and the horizontal section is connected below the third pin beam main truss through a U-shaped plate and a translation oil cylinder; the landing leg mount pad assembles in the horizontal segment of support, and back landing leg flange is connected under the landing leg mount pad, is equipped with the pull rod between two back landing legs in order to improve support stability.
When the first needle beam unit 1 and the second needle beam unit 2 are assembled, the needle beam connecting plate 4 is arranged at the position of a side truss connecting hole group of the first needle beam unit 1 and a side truss connecting hole group of the second needle beam unit; the connecting hole groups of the vertical plates of the two connecting end plates are locked by corresponding nuts matched with bolts; the ear plates of the two supporting leg mounting seats 13 are connected with the double ear plate groups of the first needle beam unit 1 through pin shafts. The detachable connection between the first needle beam unit 1 and the second needle beam unit 2 is realized. When the second needle beam unit 2 and the third needle beam unit 3 are assembled, the needle beam connecting plate 4 is arranged at the position of the connecting hole group, and the connecting hole groups of the vertical plates of the two connecting end plates are locked by corresponding nuts matched with bolts; therefore, the assembly among the needle beam units is realized.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The needle beam is characterized by comprising a plurality of sections of needle beam units, wherein the sections of needle beam units are detachably connected;
the needle beam unit comprises a needle beam main truss;
the needle beam main truss comprises a side truss and an end connecting plate;
one end of the side truss is provided with a connecting hole group, the end connecting plate comprises a plurality of groups of connecting holes, and the needle beam units are assembled through the connecting hole group and the end connecting plate.
2. A needle beam as defined in claim 1, wherein: the end connecting plate comprises a vertical plate and a double lug plate group; the vertical plate is a rectangular plate, and a plurality of groups of connecting holes are formed in the vertical plate; the double lug plate group is connected to the inner side of the vertical plate; the end connecting plate is fixedly connected outside the end part of the side truss provided with the connecting hole group through the vertical plate.
3. A needle beam as defined in claim 2, wherein: the needle beam main truss also comprises an end cross beam and a connecting truss; the side trusses are arranged in parallel, the end beams are connected to the end portions of the two side trusses, and the connecting trusses are connected between the two side trusses and located between the end beams.
4. A needle beam according to claim 3, wherein: the needle beam unit further comprises a front supporting leg assembly and a supporting leg mounting seat which are respectively arranged at two ends of the needle beam unit.
5. A needle beam according to claim 4, wherein: the front supporting leg assembly comprises a fixed seat, a first lifting oil cylinder, a front supporting leg and a base; the fixing seat is an H-shaped seat body and comprises a horizontal section and a vertical section, the vertical section comprises a top flange and a seat cover, the seat cover is a cuboid cover, the top flange is connected to the top end of the seat cover, and the vertical section is connected outside the horizontal section through the side face of the seat cover; the top end of the front supporting leg is provided with an opening, a pair of ear plates is arranged in the opening, and a hinge seat is arranged below the bottom of the front supporting leg; the front supporting leg is coaxially arranged in the seat sleeve, the top of the first lifting oil cylinder is assembled with the top flange, the bottom of the first lifting oil cylinder is connected with the lug plate, and the base is hinged below the hinge seat; the front supporting leg assembly is connected to the lower portion of the end cross beam through the translation oil cylinder and the U-shaped plate.
6. A needle beam as defined in claim 5, wherein: the horizontal section of the fixed seat is provided with an ear seat, and the inner side of the side truss is provided with the ear seat; the translation oil cylinder is arranged between the two lug seats and used for regulating and controlling the horizontal position of the front supporting leg assembly; the U-shaped plate is coated below the horizontal section, and the top of the U-shaped plate is connected with the end beam; the base is a bow-shaped base body, the horizontal edges of the base are provided with lug plates, and the arc edges of the base are provided with through grooves for reducing weight and passing water.
7. A needle beam according to claim 4, wherein: the supporting leg mounting seat comprises a sliding sleeve and a top seat;
the sliding sleeve comprises a sleeve main body, an end plate and a single lug plate; the sleeve main body is a cuboid sleeve with openings at two ends, and a pin hole is formed in the sleeve wall at the top end of the sleeve main body; the end plate is a rectangular plate, the upper part of the end plate is connected with the hole, and the end plate is connected to the outer side of the sleeve main body; the single ear plates are uniformly arranged and connected to the side edges of the end plates;
the footstock comprises a rectangular plate and an articulated seat, the articulated seat is fixedly connected under the rectangular plate, the footstock is detachably connected to the top of the sleeve main body through the rectangular plate, and the articulated seat is connected with the sleeve main body through a pin shaft penetrating through a pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221244837.7U CN217206484U (en) | 2022-05-23 | 2022-05-23 | Needle beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221244837.7U CN217206484U (en) | 2022-05-23 | 2022-05-23 | Needle beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217206484U true CN217206484U (en) | 2022-08-16 |
Family
ID=82779748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221244837.7U Active CN217206484U (en) | 2022-05-23 | 2022-05-23 | Needle beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217206484U (en) |
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2022
- 2022-05-23 CN CN202221244837.7U patent/CN217206484U/en active Active
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