CN211116006U

CN211116006U - Tunnel construction excavation rack

Info

Publication number: CN211116006U
Application number: CN201922341492.1U
Authority: CN
Inventors: 朱来东
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-07-28
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a tunnel construction excavation rack relates to the tunnel construction field, including a construction plane, construction plane's four telescopic bracket of lower fixed surface connection, four fixedly connected with I shape connecting rod between telescopic bracket, be provided with a telescopic system between construction plane, I shape connecting rod, two telescopic bracket that lie in construction plane one end all rotate and are connected with a rotary rod, two the rotary rod is kept away from telescopic bracket's one end and is rotated and be connected with an inclined ladder, the inclined ladder includes two first down tube, two second down tube, the one end of second down tube extends into in the first down tube and rather than sliding connection, a plurality of through-hole has all been seted up to the symmetry in one side that first down tube, second down tube are close to each other, and two bisymmetries are seted up sliding connection has a bracing piece between the through-hole. This be used for tunnel construction excavation rack, solved the rack for the ease of construction, generally possess not low height, inconvenient problem about the workman.

Description

Tunnel construction excavation rack

Technical Field

The utility model relates to a tunnel construction field specifically is a tunnel construction excavation rack.

Background

The tunnel is an engineering building buried in the stratum, is a form of utilizing underground space by human beings, can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel, and integrates various factors in a tunnel conference held by international economic cooperation and development organization in 1970, and the definition of the tunnel is as follows: the cross-sectional area of a cavern which is built according to the specified shape and size by any method under the ground for a certain purpose is more than 2 square meters, and the construction of the existing tunnel is generally carried out on a rack;

the rack is convenient for being under construction, generally has not low height, and the workman is inconvenient from top to bottom.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a tunnel construction excavation rack has solved the rack for the ease of construction, generally has not low height, inconvenient problem about the workman.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: including a construction plane, four telescopic bracket, four of construction planar lower fixed surface are connected with fixedly connected with I shape connecting rod between telescopic bracket, be provided with a telescopic system between construction plane, I shape connecting rod, double-phase approaching telescopic bracket all rotates and is connected with a rotary rod, two telescopic bracket's one end is kept away from to the rotary rod is rotated and is connected with an inclined ladder, the inclined ladder includes two first down tube, two second down tube, the one end of second down tube extends into in the first down tube and rather than sliding connection, a plurality of through-hole has all been seted up to the symmetry in one side that first down tube, second down tube are close to each other, and two symmetries are seted up sliding connection has a bracing piece between the through-hole.

Preferably, the upper surface of the construction plane is fixedly connected with a guardrail.

Preferably, two limiting grooves are formed in the upper surface, close to one end of the inclined ladder, of the construction plane, and one end of the inclined ladder is in limiting connection with the construction plane through the limiting grooves.

Preferably, the telescopic bracket comprises a first supporting leg and a second supporting leg, one end of the second supporting leg extends into the inside of the first supporting leg and is connected with the first supporting leg in a sliding mode, reinforcing ribs are fixedly connected between the first supporting leg and the I-shaped connecting rod and between the second supporting leg and the construction plane in an indirect mode, a plurality of limiting holes are formed in one side of the second supporting leg, and a limiting rivet is connected in the limiting holes in a sliding mode.

Preferably, the telescopic system includes two first telescopic links, two second telescopic links, wherein two the one end and the I shape connecting rod fixed connection of first telescopic link, wherein two the one end and the construction plane fixed connection of second telescopic link, the other end of second telescopic link extends into the inside of first telescopic link and rather than sliding connection, one side fixedly connected with rack of second telescopic link, the week side meshing of rack has a gear, two fixedly connected with pivot between the gear, one side fixedly connected with motor of first telescopic link, the rotatory end and the pivot fixed connection of motor.

Preferably, one side of each of the two telescopic supports close to the inclined ladder is provided with a first cavity matched with the rotary rod, and one side of the rotary rod is provided with a second cavity matched with the first inclined rod.

(III) advantageous effects

The utility model provides a tunnel construction excavation rack. The method has the following beneficial effects:

(1) this a be used for tunnel construction excavation rack, one side through the telescopic bracket rotates the mating reaction that is connected with an inclined ladder for accessible inclined ladder about the workman when the rack about, has solved the rack for the ease of construction, generally possess not low height, inconvenient problem about the workman.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the inclined ladder of the present invention after being unfolded;

fig. 3 is a schematic view of the structure of the rotating rod of the present invention;

fig. 4 is the schematic view of the inclined ladder structure of the present invention.

In the figure: 1. constructing a plane; 11. a limiting groove; 2. a telescopic bracket; 21. a first support leg; 22. a second support leg; 23. a limiting hole; 24. a limit rivet; 25. a first cavity; 3. reinforcing ribs; 4. an I-shaped connecting rod; 5. a telescoping system; 51. a first telescopic rod; 52. a second telescopic rod; 6. a guardrail; 7. rotating the rod; 71. a second cavity; 8. an inclined ladder; 81. a first diagonal member; 82. a second diagonal member; 83. a through hole; 84. a support bar; 9. a motor; 91. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, the present invention provides a technical solution: the construction plane comprises a construction plane 1, a worker stands on the construction plane 1 for construction, the upper surface of the construction plane 1 is fixedly connected with a guardrail 6 and protects the worker, the lower surface of the construction plane 1 is fixedly connected with four telescopic supports 2 and supports the construction plane 1, an I-shaped connecting rod 4 is fixedly connected between the four telescopic supports 2, four ends of the I-shaped connecting rod 4 are respectively fixedly connected with one telescopic support 2, the stability of the telescopic supports 2 is enhanced, a telescopic system 5 is arranged between the construction plane 1 and the I-shaped connecting rod 4, the telescopic system 5 drives the construction plane 1 to ascend and descend, two adjacent telescopic supports 2 are rotatably connected with a rotating rod 7, one end, far away from the telescopic supports 2, of the two rotating rods 7 is rotatably connected with an inclined ladder 8, the worker can ascend and descend the construction plane through the inclined ladder 8, and the inclined ladder 8 comprises two first inclined rods 81, Two second diagonal rods 82, one end of the second diagonal rod 82 extends into the first diagonal rod 81 and is connected with the first diagonal rod in a sliding manner, the first diagonal rod 81 and the two second diagonal rods 82 are matched with each other, so that the construction plane 1 can extend and contract in a matching manner, one sides of the first diagonal rod 81 and the second diagonal rod 82, which are close to each other, are symmetrically provided with a plurality of through holes 83, a supporting rod 84 is connected between the two symmetrically-arranged through holes 83 in a sliding manner, a worker steps on the supporting rod 84 up and down and can rapidly detach the supporting rod 84 after the construction is completed, the upper surface of one end, close to the inclined ladder 8, of the construction plane 1 is provided with two limiting grooves 11, one end of the inclined ladder 8 is connected with the construction plane 1 in a limiting manner through the limiting grooves 11, so that the inclined ladder 8 can be rapidly installed and detached, the telescopic support 2 comprises a first support leg 21 and a second support leg 22, one end of the second support leg 22 extends into the inside of the first support, the telescopic support 2 moves along with the construction plane 1, a reinforcing rib 3 is fixedly connected between the first support leg 21 and the I-shaped connecting rod 4, the second support leg 22 and the construction plane 1 are indirectly connected with the reinforcing rib 3, the stability of the rack is enhanced, a plurality of limiting holes 23 are formed in one side of the second support leg 22, a limiting rivet 24 is connected in the limiting holes 23 in a sliding mode, the limiting rivet 24 limits the height of the construction plane 1, the telescopic system 5 comprises two first telescopic rods 51 and two second telescopic rods 52, one ends of the two first telescopic rods 51 are fixedly connected with the I-shaped connecting rod 4, one ends of the two second telescopic rods 52 are fixedly connected with the construction plane 1, the other ends of the second telescopic rods 52 extend into the first telescopic rods 51 and are connected with the first telescopic rods in a sliding mode, a rack is fixedly connected to one side of the second telescopic rods 52, a gear is meshed with the peripheral side of the, The rack cooperation drives second telescopic link 52 and removes, a fixedly connected with pivot 91 between two gears, control the gear synchronous revolution through pivot 91, one side fixedly connected with motor 9 of first telescopic link 51, motor 9 is prior art, Y80M2-2 can be chooseed for use to the model, motor 9's rotatory end and pivot 91 fixed connection, motor 9 drives pivot 91 and rotates, thereby drive the gear revolve, two telescoping shores 2 are close to one side of inclined ladder 8 and all offered one and match the first cavity 25 with rotary rod 7, rotary rod 7 is rotatable to be retracted in first cavity 25, one and first down tube 81 matched with second cavity 71 is offered to one side of rotary rod 7, first down tube 81 is rotatable to be retracted in second cavity 71.

During the use, only need start motor 9, it shifts up to drive second telescopic link 52 through gear, rack drive for construction plane 1 shifts up, insert spacing rivet 24 in the spacing hole 23 that is closest to first supporting leg 21 department after that, close the motor, spacing rivet 24 and first supporting leg 21 contact, highly spacing to construction plane 1, rotatory rotary rod 7 that shifts out afterwards, tensile second down tube 82 makes it and spacing groove 11 joint, it can in inserting through-hole 83 with bracing piece 84 after that.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tunnel construction excavation rack which characterized in that: comprises a construction plane (1);

the lower surface of the construction plane (1) is fixedly connected with four telescopic supports (2), an I-shaped connecting rod (4) is fixedly connected among the four telescopic supports (2), and a telescopic system (5) is arranged between the construction plane (1) and the I-shaped connecting rod (4);

two adjacent telescopic brackets (2) are rotatably connected with a rotating rod (7), and one ends of the two rotating rods (7) far away from the telescopic brackets (2) are rotatably connected with an inclined ladder (8);

the inclined ladder (8) comprises two first inclined rods (81) and two second inclined rods (82), one end of each second inclined rod (82) extends into the corresponding first inclined rod (81) and is connected with the corresponding first inclined rod in a sliding mode, a plurality of through holes (83) are symmetrically formed in one side, close to each other, of the first inclined rods (81) and the second inclined rods (82), and a supporting rod (84) is connected between the through holes (83) in a sliding mode.

2. The tunneling excavation bench of claim 1, wherein: the upper surface of the construction plane (1) is fixedly connected with a guardrail (6).

3. The tunneling excavation bench of claim 1, wherein: two limiting grooves (11) are formed in the upper surface, close to one end of the inclined ladder (8), of the construction plane (1), and one end of the inclined ladder (8) is in limiting connection with the construction plane (1) through the limiting grooves (11).

4. The tunneling excavation bench of claim 1, wherein: telescopic bracket (2) include first supporting leg (21), second supporting leg (22), the one end of second supporting leg (22) extends into the inside of first supporting leg (21) and rather than sliding connection, between first supporting leg (21) and I shape connecting rod (4), second supporting leg (22) and construction plane (1) indirect fixedly connected with strengthening rib (3), spacing hole of a plurality of (23) have been seted up to one side of second supporting leg (22), sliding connection has a spacing rivet (24) in spacing hole (23).

5. The tunneling excavation bench of claim 1, wherein: telescopic system (5) includes two first telescopic links (51), two second telescopic links (52), wherein two the one end and the I shape connecting rod (4) fixed connection of first telescopic link (51), wherein two the one end and construction plane (1) fixed connection of second telescopic link (52), the other end of second telescopic link (52) extends into the inside of first telescopic link (51) and rather than sliding connection, one side fixedly connected with rack of second telescopic link (52), the week side meshing of rack has a gear, two fixedly connected with pivot (91) between the gear, one side fixedly connected with motor (9) of first telescopic link (51), the rotation end and pivot (91) fixed connection of motor (9).

6. The tunneling excavation bench of claim 1, wherein: two first cavity (25) that match with rotary rod (7) have all been seted up to one side that telescopic bracket (2) are close to inclined ladder (8), second cavity (71) with first down tube (81) matched with have been seted up to one side of rotary rod (7).