CN217631145U

CN217631145U - Scaffold for tunnel construction

Info

Publication number: CN217631145U
Application number: CN202221410708.0U
Authority: CN
Inventors: 任刚
Original assignee: Shaanxi Communications Highway Design Research Institute Co ltd
Current assignee: Shaanxi Communications Highway Design Research Institute Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-21
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a scaffold frame for tunnel construction especially relates to tunnel construction technical field, and it includes four bracing pieces, a plurality of connecting rod and at least one backup pad, the bracing piece includes canned paragraph, section of sliding and locating part, the connecting rod both ends all with the canned paragraph is connected, section of sliding and canned paragraph sliding connection, the backup pad is located in the section of sliding, the locating part is used for fixing the position of section of sliding. The utility model discloses a scaffold frame for tunnel construction through the section of sliding, is convenient for adjust the bracing piece height, shortens the build-up time, and then shortens construction cycle, reduces construction cost; the setting of locating part is convenient for highly fixed the section of sliding, improves the stability that the section of sliding supported.

Description

Scaffold for tunnel construction

Technical Field

The utility model belongs to the technical field of the tunnel construction technique and specifically relates to a scaffold frame for tunnel construction is related to.

Background

The scaffold is a temporary building tool which is erected for workers to operate and solve vertical and horizontal transportation on a construction site, and the manufacturing material of the scaffold generally comprises bamboo, wood, steel pipes or synthetic materials and the like; the method is mainly used for outer walls, interior decoration or places with higher floor height and cannot be directly constructed.

In the related art, a scaffold is required to be used in the tunnel construction process, the scaffold is usually built by a plurality of steel pipes, and the steel pipes are connected with one another through fasteners.

In view of the above-mentioned related technologies, the inventor believes that it takes a long time to connect steel pipes and fasteners one by one, which prolongs the construction period and increases the construction cost.

SUMMERY OF THE UTILITY MODEL

In order to reduce construction cost, the utility model provides a scaffold frame for tunnel construction.

The utility model provides a pair of scaffold frame for tunnel construction adopts following technical scheme:

the utility model provides a scaffold frame for tunnel construction, includes four bracing pieces, a plurality of connecting rod and at least one backup pad, the bracing piece includes canned paragraph, the section of sliding and locating part, the connecting rod both ends all with the canned paragraph is connected, the section of sliding and canned paragraph sliding connection, the backup pad is located in the section of sliding, the locating part is used for fixing the position of the section of sliding.

By adopting the technical scheme, when the scaffold is built, the sliding section is pulled firstly to move to a proper height, then the sliding section is fixed through the limiting piece, then the connecting rod is connected with the fixed section, and then the supporting plate is fixed on the sliding section; the designed scaffold for tunnel construction is convenient for adjusting the height of the support rod through the sliding section, so that the building time is shortened, the construction period is further shortened, and the construction cost is reduced; the setting of locating part is convenient for highly fixed the section of sliding, improves the stability that the section of sliding supported.

Optionally, a plurality of insertion holes are formed in the sliding section, the insertion holes are distributed along the axial direction of the supporting rod, at least one through hole aligned with the insertion holes is formed in the fixing section, and the through holes are aligned with the insertion holes.

By adopting the technical scheme, the arrangement of the inserting holes is convenient for adjusting the displacement of the sliding section, so that the scaffold is suitable for different construction heights, the application range of the supporting rod is expanded, and the practicability of the scaffold is improved; the through holes are arranged, so that the through holes are aligned with the connecting holes, and the sliding section is limited conveniently.

Optionally, the limiting part includes a bolt and two limiting rods, two ends of the bolt are respectively rotatably connected with the two limiting rods, and the bolt sequentially penetrates through the through hole and the insertion hole.

By adopting the technical scheme, the arrangement of the bolt is convenient for limiting the sliding section, and the possibility of sliding in the supporting process of the sliding section is reduced; the setting of gag lever post is convenient for carry on spacingly to the bolt, reduces the bolt and the possibility that the section breaks away from that slides.

Optionally, a plurality of clamping blocks are arranged on the sliding section, the clamping blocks are clamped with the supporting plate, a sliding groove for the clamping blocks to slide is formed in the fixing section, and the sliding groove is formed in the axial direction of the supporting rod.

By adopting the technical scheme, the clamping blocks are arranged, so that the plurality of supporting plates can be fixed conveniently, workers can climb conveniently, and the safety of the scaffold is improved; the setting of spout, the slip of the joint piece of being convenient for reduces the joint piece and takes place the possibility of interfering with the fixed segment.

Optionally, one end of the connecting rod is hinged to the fixed section, the other end of the connecting rod is connected with the adjacent fixed section in a sliding manner, and the two adjacent connecting rods between the two fixed sections are hinged in a crossing manner.

Through adopting above-mentioned technical scheme, the connected mode of connecting rod, the adjustment of distance between two adjacent bracing pieces of being convenient for, and then be convenient for be applicable to different job sites, simultaneously, reduce space area, improve space utilization.

Optionally, a clamping groove for the clamping block to be inserted is formed in one side, close to the clamping block, of the supporting plate.

Through adopting above-mentioned technical scheme, the embedding of joint piece of being convenient for is in the setting in joint groove, and then improves the compactness that backup pad and joint piece are connected, simultaneously, improves the security of scaffold frame.

Optionally, the fixing assembly comprises a spring, a pressing block and at least three fixing rods, the spring is fixedly connected with the fixing section in a coaxial mode, one side of the pressing block is fixedly connected with the spring, the side, far away from the spring, of the pressing block is fixedly connected with the fixing rods, and the pressing block and the fixing rods are both in sliding connection with the fixing section.

By adopting the technical scheme, when the fixing section is fixed, the pressing block is pushed to move, the pressing block drives the spring to extend, meanwhile, the pressing block drives the fixing rod to move, so that one end, far away from the pressing block, of the fixing rod is abutted against the ground, and then the fixing rod is fixed; the setting of dead lever is convenient for carry out the multi-angle to the canned paragraph and support, improves the stability of canned paragraph, and the setting of spring, the flexible of the dead lever of being convenient for, and then be convenient for accomodate the dead lever.

Optionally, the fixing assembly further comprises at least three fixing plates and at least three fixing bolts, the fixing plates, the fixing bolts and the fixing rods are arranged in a one-to-one correspondence mode, the fixing plates are far away from the fixing rods, one end of each fixing section is fixedly connected, and the fixing bolts are in threaded connection with the fixing plates.

By adopting the technical scheme, the contact area of the fixed rod is increased by arranging the fixed plate, so that the friction force is increased, and the stability of fixing the fixed rod is improved; the fixing bolt is arranged, so that the fixing plate can be fixed conveniently.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the designed scaffold for tunnel construction is convenient for adjusting the height of the support rod through the sliding section, so that the building time is shortened, the construction period is further shortened, and the construction cost is reduced; the limiting piece is arranged, so that the height of the sliding section is convenient to fix, and the supporting stability of the sliding section is improved;

2. the arrangement of the bolt is convenient for limiting the sliding section, and the possibility of sliding in the supporting process of the sliding section is reduced; the limiting rod is arranged, so that the bolt is limited conveniently, and the possibility that the bolt is separated from the sliding section is reduced;

3. the setting in joint groove, the embedding of the joint piece of being convenient for, and then the compactness that the backup pad is connected with the joint piece is improved, simultaneously, improves the security of scaffold frame.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the invention.

Description of reference numerals: 1. a support bar; 11. a fixed section; 111. a through hole; 112. a chute; 12. a slipping section; 121. inserting holes; 13. a limiting member; 131. a bolt; 132. a limiting rod; 2. a connecting rod; 3. a support plate; 31. a clamping groove; 4. a clamping block; 5. a fixing component; 51. a spring; 52. a pressing block; 53. fixing the rod; 54. a fixing plate; 55. and (5) fixing the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-2.

The embodiment of the utility model discloses scaffold frame for tunnel construction. Referring to fig. 1, the scaffold for tunnel construction includes a fixed component 5, four support rods 1, a plurality of connecting rods 2 and at least one support plate 3, eight connecting rods 2 and two support plates 3 are provided in this embodiment, the shape of support plate 3 is set to a cuboid in this embodiment, support rod 1 includes fixed segment 11, sliding segment 12 and locating part 13, sliding segment 12 and fixed segment 11 sliding connection, support plate 3 and sliding segment 12 joint, locating part 13 is used for fixing the position of sliding segment 12, sliding segment 12 sets up, it is convenient to adjust the height of support rod 1, and then it is convenient for the scaffold to be applicable to different construction heights, it is long when reducing the construction of scaffold, and then shorten construction cycle, reduce construction cost, connecting rod 2 one end is articulated with fixed segment 11, the other end is articulated with adjacent fixed segment 11 sliding connection, and two connecting rods 2 between two adjacent fixed segments 11 are cross-hinged, it is convenient to adjust the distance between two adjacent support rods 1, and then it is convenient to use in different construction sites, and the practicality of scaffold is improved.

Referring to fig. 1, a plurality of spliced eyes 121 have been seted up on the section of sliding 12, spliced eye 121 is along bracing piece 1's axial evenly distributed, set up on the fixed segment 11 with spliced eye 121 at least one through-hole 111 of adjusting well, be provided with four through-holes 111 in this embodiment, through-hole 111 all adjusts well with spliced eye 121, the setting of spliced eye 121, be convenient for adjust the height of section of sliding 12, make the section of sliding 12 adapt to different construction height, enlarge bracing piece 1's application range, improve bracing piece 1's usability.

Referring to fig. 1, the limiting member 13 includes a bolt 131 and two limiting rods 132, the two ends of the bolt 131 are welded with damping rotating shafts, the two limiting rods 132 are rotatably connected with the damping rotating shafts near one side of the bolt 131, the bolt 131 sequentially passes through the through hole 111 and the inserting hole 121, the bolt 131 is arranged, the height of the sliding section 12 is convenient to fix, and then the stability supported by the sliding section 12 is improved, the limiting rods 132 are arranged, the bolt 131 is convenient to limit, the possibility that the bolt 131 is separated from the sliding section 12 and the fixed section 11 is reduced, and further the tightness of the bolt 131 with the sliding section 12 and the fixed section 11 is improved.

Referring to fig. 1 and 2, the welding has a plurality of joint pieces 4 on the section of sliding 12, be provided with two sets of joint pieces 4 in this embodiment, and two sets of joint pieces 4 set up about the axis symmetry of bracing piece 1, the axial evenly distributed of bracing piece 1 is followed to every group joint piece 4, joint piece 4 and backup pad 3 joint, set up on the canned paragraph 11 and supply the gliding spout 112 of joint piece 4, spout 112 sets up along the axial of bracing piece 1, set up two spout 112 on the canned paragraph 11 in this embodiment, and two spout 112 set up about the axis symmetry of bracing piece 1, the setting of spout 112, be convenient for the slip of joint piece 4 on the one hand, and then be convenient for the slip of section 12, reduce the possibility that joint piece 4 and canned paragraph 11 interfere, on the other hand, section 12 directional slip of being convenient for, reduce the possibility that relative pivoted takes place for canned paragraph 12 and canned paragraph 11, and then reduce the possibility that bayonet 121 and through-hole 111 take place the dislocation, improve the precision that bayonet 121 and through-hole 111 were adjusted, backup pad 3 is close to joint piece 4 one side and offer the joint groove 31 that supplies joint piece 4 to peg, be convenient for the setting of this embodiment, the axle deviation of 3 and 3, the improvement of the possibility of the jack set up the symmetry of the tight joint piece, the jack, the support pad 3, the support pad sets up when the axle set up, the safety joint piece, the convenience of the tight joint piece sets up, the convenience of the tight joint piece.

Referring to fig. 1, the fixing assembly 5 includes a spring 51, a pressing block 52, at least three fixing plates 54, at least three fixing bolts 55 and at least three fixing rods 53, in this embodiment, three fixing rods 53, three fixing bolts 55 and three fixing plates 54 are provided, and the fixing rods 53, the fixing bolts 55 and the fixing plates 54 are disposed in a one-to-one correspondence manner, one end of the spring 51 is welded to the fixing section 11 coaxially, and the other end of the spring is welded to the pressing block 52, in this embodiment, the pressing block 52 is disposed in a circular ring shape, and the pressing block 52 is disposed coaxially with the fixing section 11, one side of the pressing block 52 away from the spring 51 is welded to the fixing rods 53, both the pressing block 52 and the fixing rods 53 are slidably connected to the fixing section 11, the fixing plate 54 is welded to one end of the fixing rod 53 away from the fixing section 11, the fixing bolts 55 are connected to the fixing plate 54 by threads, the spring 51 is disposed to facilitate contraction of the fixing rods 53, thereby facilitating movement of the scaffold, the setting of the fixing bolt 55, thereby facilitating fixing the fixing rod 53, facilitating support of the fixing section 11, and improving the working stability of the support rod 1.

The embodiment of the utility model provides a scaffold frame for tunnel construction's implementation principle does: when scaffold is built, firstly, the sliding section 12 is pulled, the sliding section 12 moves to a proper height, the bolt 131 sequentially penetrates through the through hole 111 and the plug-in hole 121, the limiting rod 132 is rotated, one end of the limiting rod 132, far away from the bolt 131, is abutted to the supporting rod 1, the distance between two adjacent fixing sections 11 is adjusted again, one end of the connecting rod 2 slides along the fixing sections 11, after the distance is adjusted properly, the pressing block 52 is pushed to move, the pressing block 52 drives the spring 51 to extend, meanwhile, the pressing block 52 drives the fixing rod 53 to move, the fixing rod 53 drives the fixing plate 54 to move, the fixing plate 54 moves to be abutted to the ground, the fixing plate 54 is fixed through the fixing bolt 55, then the supporting plate 3 is clamped with the clamping block 4, the clamping block 4 is embedded into the clamping groove 31, and the scaffold is built.

The above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a scaffold frame for tunnel construction which characterized in that: including four bracing pieces (1), a plurality of connecting rod (2) and at least one backup pad (3), bracing piece (1) is including canned paragraph (11), section (12) and locating part (13) slide, connecting rod (2) both ends all with canned paragraph (11) are connected, section (12) and canned paragraph (11) sliding connection slide, backup pad (3) are located slide on section (12), locating part (13) are used for fixing the position of section (12) slides.

2. The scaffold for tunnel construction according to claim 1, wherein: the sliding section (12) is provided with a plurality of inserting holes (121), the inserting holes (121) are distributed along the axial direction of the supporting rod (1), the fixing section (11) is provided with at least one through hole (111) aligned with the inserting holes (121), and the through hole (111) can be aligned with the inserting holes (121).

3. The scaffold for tunnel construction according to claim 2, wherein: the limiting piece (13) comprises a bolt (131) and two limiting rods (132), two ends of the bolt (131) are respectively rotatably connected with the two limiting rods (132), and the bolt (131) sequentially penetrates through the through hole (111) and the plug-in hole (121).

4. The scaffold for tunnel construction according to claim 1, wherein: be provided with a plurality of joint pieces (4) on the section of sliding (12), joint piece (4) and backup pad (3) joint, seted up the confession on canned paragraph (11) the gliding spout (112) of joint piece (4), spout (112) are followed the axial setting of bracing piece (1).

5. The scaffold for tunnel construction according to claim 1, wherein: one end of each connecting rod (2) is hinged to the corresponding fixed section (11), the other end of each connecting rod is connected with the corresponding adjacent fixed section (11) in a sliding mode, and the two adjacent connecting rods (2) between the fixed sections (11) are hinged in a crossed mode.

6. The scaffold for tunnel construction according to claim 4, wherein: the supporting plate (3) is close to one side of the clamping block (4) and is provided with a clamping groove (31) for the clamping block (4) to be inserted.

7. The scaffold for tunnel construction according to claim 1, wherein: the fixing device is characterized by further comprising a fixing assembly (5), wherein the fixing assembly (5) comprises a spring (51), a pressing block (52) and at least three fixing rods (53), the spring (51) is coaxially and fixedly connected with the fixing section (11), one side of the pressing block (52) is fixedly connected with the spring (51), one side, far away from the spring (51), of the pressing block (52) is fixedly connected with the fixing rods (53), and the pressing block (52) and the fixing rods (53) are both in sliding connection with the fixing section (11).

8. The scaffold for tunnel construction according to claim 7, wherein: the fixing assembly (5) further comprises at least three fixing plates (54) and at least three fixing bolts (55), the fixing plates (54), the fixing bolts (55) and the fixing rods (53) are arranged in a one-to-one correspondence mode, the fixing plates (54) are fixedly connected with one ends, far away from the fixing sections (11), of the fixing rods (53), and the fixing bolts (55) are in threaded connection with the fixing plates (54).