CN215057405U

CN215057405U - Rack for tunnel construction

Info

Publication number: CN215057405U
Application number: CN202121752944.6U
Authority: CN
Inventors: 孙佳骏; 吴钢伟; 张立新; 汪大海
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-07
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a rack is used in tunnel construction, comprising a base plate, the rectangle through-hole has been seted up to the lower surface of bottom plate, and the upper surface of bottom plate fixed mounting has box and four telescopic prop respectively, the common fixedly connected with platform in upper end of four telescopic prop, the last surface symmetry fixed mounting of box has the motor, the output shaft of every motor all runs through box fixedly connected with threaded rod, the outside spiro union of threaded rod has the screwed pipe, the common fixedly connected with backup pad of lower extreme of two screwed pipes, the even fixed mounting of lower surface of backup pad has four landing legs that run through the rectangle through-hole, the equal fixedly connected with thrust wheel of lower extreme of every landing leg. The utility model discloses a starter motor drives the threaded rod rather than output shaft's rotation, and the screwed pipe that realizes the outside drives the landing leg rebound of connecting through the backup pad to make four thrust wheels break away from ground, make bottom plate and ground contact, the stability reinforcing of placing improves the security.

Description

Rack for tunnel construction

Technical Field

The utility model belongs to the technical field of the tunnel construction, concretely relates to rack is used in tunnel construction.

Background

The tunnel is an engineering building buried in the ground, and is a form of using underground space by human beings. The international organization for economic cooperation and development in 1970 defines it as "a cavern with a cross-sectional area greater than 2 square meters built in any way, in a specific shape and size, under the ground for a certain purpose". The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel, a military tunnel and the like.

The existing rack for tunnel construction needs to be provided with a supporting wheel at the bottom for ensuring convenient movement, so that the placing stability is poor, and the safety is reduced. Therefore, the scaffold for tunnel construction is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rack is used in tunnel construction to it is convenient for guaranteeing to remove to propose current rack for tunnel construction among the above-mentioned background art, need set up the thrust wheel in the bottom, and the stability that leads to placing like this is relatively poor, reduces the problem of security.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rack is used in construction is built to tunnel, includes the bottom plate, the rectangle through-hole has been seted up to the lower surface of bottom plate, just the upper surface of bottom plate fixed mounting respectively has box and four telescopic prop, four the common fixedly connected with platform in telescopic prop's the upper end, the last surface symmetry fixed mounting of box has the motor, every the output shaft of motor all runs through box fixedly connected with threaded rod, the outside spiro union of threaded rod has the screwed pipe, two the common fixedly connected with backup pad of lower extreme of screwed pipe, the even fixed mounting of lower surface of backup pad has four landing legs, every that run through the rectangle through-hole the equal fixedly connected with thrust wheel of lower extreme of landing leg.

Preferably, a power supply unit is fixedly mounted on the upper surface of the inner cavity of the box body, and the power supply unit is electrically connected with the motor.

Preferably, the upper surface of platform fixed surface installs a plurality of vertical railing, controls a plurality of that corresponds the common fixedly connected with horizontal railing in upper end of vertical railing.

Preferably, the upper surface fixed mounting of platform has transparent guard plate, transparent guard plate is the arc structure.

Preferably, the front surface and the rear surface of the transparent protection plate are both provided with sliding grooves, the sliding grooves are connected with sliding blocks in a sliding mode, and the upper surfaces of the sliding blocks are fixedly provided with cleaning brushes jointly.

Preferably, the bristles of the cleaning brush are in contact with the transparent protection plate, and the box body is located among the four telescopic support columns.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a starter motor drives the threaded rod rather than output shaft's rotation, and the screwed pipe that realizes the outside drives the landing leg rebound of connecting through the backup pad to make four thrust wheels break away from ground, make bottom plate and ground contact, the stability reinforcing of placing improves the security.

2. The utility model discloses be provided with the cleaning brush to adopt slider and spout swing joint between cleaning brush and transparent guard plate, through removing the cleaning brush, the convenient filth to transparent guard plate surface cleans, guarantees construction convenience.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a sectional view of the connection between the bottom plate and the box body of the present invention;

FIG. 3 is a front view of the cleaning brush of the present invention connected to a transparent protection plate;

in the figure: 1. a base plate; 2. a box body; 3. a vertical rail; 4. a transverse rail; 5. a chute; 6. a transparent protection plate; 7. a cleaning brush; 8. a telescopic strut; 9. a motor; 10. a rectangular through hole; 11. a threaded pipe; 12. a power supply unit; 13. a support plate; 14. a threaded rod; 15. a support leg; 16. a thrust wheel; 17. a platform; 18. a slide block.

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 to 3, the present invention provides a technical solution: a rack for tunnel construction comprises a bottom plate 1, a rectangular through hole 10 is arranged on the lower surface of the bottom plate 1, a box body 2 and four telescopic support columns 8 are respectively and fixedly arranged on the upper surface of the bottom plate 1, platforms 17 are fixedly connected to the upper ends of the four telescopic support columns 8 together, motors 9 are symmetrically and fixedly arranged on the upper surface of the box body 2, an output shaft of each motor 9 penetrates through the box body 2 and is fixedly connected with a threaded rod 14, threaded pipes 11 are screwed on the outer sides of the threaded rods 14, supporting plates 13 are fixedly connected to the lower ends of the two threaded pipes 11 together, four supporting legs 15 penetrating through the rectangular through hole 10 are uniformly and fixedly arranged on the lower surface of each supporting leg 15, a supporting wheel 16 is fixedly connected to the lower end of each supporting leg 15, the threaded rods 14 connected with the output shafts of the supporting legs are driven to rotate by starting the motors 9, and the supporting legs 15 connected through the supporting plates 13 are driven by the threaded pipes 11 on the outer sides to move upwards, thereby make four thrust wheels 16 break away from ground, make bottom plate 1 and ground contact, the stability of placing strengthens, improves the security.

The threaded pipe 11 is also called a low-rib pipe, mainly expands the heat transfer area by means of the external ribbing of the pipe, and is generally used in the situation that the heat supply coefficient in the pipe is more than 1 time larger than that outside the pipe. The external condensation and boiling of the pipe also have better strengthening effect due to the surface tension effect.

Further, referring to fig. 2, a power supply unit 12 is fixedly mounted on an upper surface of an inner cavity of the box body 2, and the power supply unit 12 is electrically connected with the motor 9.

Further, can refer to fig. 1, platform 17's last fixed surface installs a plurality of vertical railing 3, controls the common fixedly connected with horizontal railing 4 of the upper end of a plurality of vertical railing 3 that correspond, improves the protective capacities to constructor.

Further, as can be seen from fig. 1, the transparent protection plate 6 is fixedly installed on the upper surface of the platform 17, and the transparent protection plate 6 is of an arc-shaped structure, so that the protection capability of constructors is improved.

Further, can refer to fig. 1 and 3, spout 5 has all been seted up to the preceding, the rear surface of transparent guard plate 6, and the inside sliding connection of spout 5 has slider 18, and the common fixed mounting of the upper surface of two sliders 18 has cleaning brush 7, conveniently cleans the top of transparent guard plate 6.

Further, referring to fig. 3, the bristles of the cleaning brush 7 are in contact with the transparent protection plate 6, and the box body 2 is located between the four telescopic supports 8.

The utility model discloses a theory of operation and use flow:

when the rack is placed, the motor 9 is started to drive the threaded rod 14 connected with the output shaft of the motor to rotate, the threaded pipe 11 on the outer side is driven to drive the supporting legs 15 connected through the supporting plate 13 to move upwards, so that the four supporting wheels 16 are separated from the ground, the bottom plate 1 is in contact with the ground, and the placing stability is enhanced. When the cleaning brush is used, when the top of the transparent protection plate 6 needs to be cleaned, the cleaning brush 7 is moved, the sliding block 18 connected with the cleaning brush 7 slides in the sliding groove 5 at the moment, and the bristles of the cleaning brush 7 clean dirt.

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, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a rack is used in tunnel construction, includes bottom plate (1), its characterized in that: rectangle through-hole (10) have been seted up to the lower surface of bottom plate (1), just the upper surface of bottom plate (1) is fixed mounting respectively has box (2) and four telescopic prop (8), four the common fixedly connected with platform (17) in upper end of telescopic prop (8), the last surface symmetry fixed mounting of box (2) has motor (9), every the output shaft of motor (9) all runs through box (2) fixedly connected with threaded rod (14), the outside spiro union of threaded rod (14) has screwed pipe (11), two the common fixedly connected with backup pad (13) of lower extreme of screwed pipe (11), the even fixed mounting of lower surface of backup pad (13) has four landing legs (15) that run through rectangle through-hole (10), every the equal fixedly connected with thrust wheel (16) of lower extreme of landing leg (15).

2. The rack for tunnel construction according to claim 1, wherein: the upper surface of the inner cavity of the box body (2) is fixedly provided with a power supply unit (12), and the power supply unit (12) is electrically connected with the motor (9).

3. The rack for tunnel construction according to claim 1, wherein: the upper surface fixed mounting of platform (17) has a plurality of vertical railing (3), controls a plurality of that corresponds the common fixedly connected with horizontal railing (4) in upper end of vertical railing (3).

4. The rack for tunnel construction according to claim 1, wherein: the upper surface fixed mounting of platform (17) has transparent guard plate (6), transparent guard plate (6) are the arc structure.

5. The rack for tunnel construction according to claim 4, wherein: the front surface and the rear surface of the transparent protection plate (6) are both provided with sliding grooves (5), the sliding grooves (5) are connected with sliding blocks (18) in a sliding mode, and the upper surfaces of the sliding blocks (18) are fixedly provided with cleaning brushes (7) jointly.

6. The rack for tunnel construction according to claim 5, wherein: the brush hair of cleaning brush (7) and transparent guard plate (6) between the contact, box (2) are located between four telescopic support (8).