CN212867609U

CN212867609U - A strut for tunnel construction

Info

Publication number: CN212867609U
Application number: CN202020930978.9U
Authority: CN
Inventors: 董云强
Original assignee: Hunan Lichang Highway And Bridge Construction Co ltd
Current assignee: Hunan Lichang Highway And Bridge Construction Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-04-02
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a strut for tunnel construction, including base, lift adjustment mechanism and lifting mechanism, lift adjustment mechanism's quantity is two and the symmetry is established at the top of base, lifting mechanism sets up on two lift adjustment mechanism, lift adjustment mechanism includes the connecting cylinder, the bottom and the base top fixed connection of connecting cylinder, the inside swing joint of connecting cylinder has the elevator, the top fixedly connected with vaulting pole of elevator, the top of vaulting pole runs through the connecting cylinder and extends to its outside, the jack has been seted up in the left side of connecting cylinder, connecting cylinder inner wall right side and the position that corresponds the jack have seted up threaded hole. This a strut for tunnel construction, structural design is reasonable, and convenient to use can conveniently adjust according to the development height in different tunnels, and then has improved practicality and application scope, can satisfy diversified user demand.

Description

A strut for tunnel construction

Technical Field

The utility model relates to a tunnel construction technical field specifically is a strut for tunnel construction.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into traffic tunnel, hydraulic tunnel, municipal tunnel, mine tunnel etc. the tunnel often need use the strut to support the top when digging, in order to prevent to collapse, however the development height in tunnel is different, then need use not high strut, prior art is used for the tunnel construction strut and mostly can't adjust highly, it is very inconvenient to use, the practicality is low, for this reason we have proposed a strut for tunnel construction, in order to solve the problem that proposes among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strut for tunnel construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a strut for tunnel construction comprises a base, two lifting adjusting mechanisms and two lifting mechanisms, wherein the two lifting adjusting mechanisms are symmetrically arranged at the top of the base;

the lifting adjusting mechanism comprises a connecting cylinder, the bottom of the connecting cylinder is fixedly connected with the top of the base, a lifting block is movably connected inside the connecting cylinder, a support rod is fixedly connected to the top of the lifting block, the top end of the support rod penetrates through the connecting cylinder and extends to the outside of the connecting cylinder, a jack is formed in the left side of the connecting cylinder, a threaded hole is formed in the right side of the inner wall of the connecting cylinder and corresponds to the jack, a fastening screw is arranged on the left side of the connecting cylinder and corresponds to the lifting block, and the right end of the fastening screw sequentially penetrates through the jack, the lifting block and the threaded hole from left to right and extends into the threaded hole to be in threaded connection with;

the lifting mechanism comprises a connecting plate, one side and the vaulting pole fixed connection that the connecting plate is close to the vaulting pole, driving motor is installed to the mid point department of connecting plate bottom, fixedly connected with drive pivot on driving motor's the output shaft, the top of drive pivot runs through the connecting plate and extends to its outside fixedly connected with threaded rod, the surperficial threaded connection of threaded rod has the thread bush, the left and right sides of thread bush all supports a section of thick bamboo through connecting rod fixedly connected with, the inside swing joint that supports a section of thick bamboo has spacing pole setting, the bottom of spacing pole setting and the top fixed connection of connecting plate, the top fixedly connected with lifting plate of a support section of thick bamboo.

Preferably, the left side and the right side of the base are fixedly connected with lifting hands, and soft pads are sleeved on the surfaces of the lifting hands.

Preferably, the number of the jacks is not less than five and the jacks are arranged on the left side of the connecting cylinder at equal intervals.

Preferably, the rear side fixedly connected with stopper of lifter, the connecting cylinder corresponds the position of stopper and offers the spacing groove rather than the cooperation use.

Preferably, the left end of the fastening screw is fixedly connected with a knob, and anti-skid grains are formed in the surface of the knob.

Preferably, the bottom of the connecting plate is fixedly connected with a protective shell corresponding to the position of the driving motor, and heat dissipation holes are formed in the surface of the protective shell.

Preferably, the two sides of the bottom of the connecting plate are fixedly connected with reinforcing ribs, and one side, close to the support rod, of each reinforcing rib is fixedly connected with the support rod.

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

1. the utility model discloses can be according to tunnel approximate height, adjust the position of elevator in the connecting cylinder, and utilize fastening screw to pass in the jack that corresponds, realize the tightening to the elevator, it is fixed to form, it is high according to remaining required lift after the completion, utilize driving motor to drive the threaded rod and rotate, threaded connection passes through the connection of link in the thread bush on it, under the limiting displacement of a support section of thick bamboo and spacing pole setting, it shifts up to drive the lifting plate, and then support the tunnel roof, this a strut for tunnel construction, structural design is reasonable, high durability and convenient use, can be according to the development height in different tunnels, conveniently adjust, and then practicality and application scope have been improved, can satisfy diversified user demand.

2. The utility model discloses a set up the new hand, the accessible is moved the new hand and then is moved whole strut and shift, through setting up the stopper, it is spacing to the motion track of elevator in the connecting cylinder, prevent its removal that produces the side direction, make the device have instability, through setting up the knob, convenient to use person tightens fastening screw, the convenient degree of operation has been improved, through setting up the protecting crust, protect driving motor, prevent to use driving motor for a long time and advance grey damage, through setting up the strengthening rib, the fixed degree of being connected between connecting plate and the vaulting pole has been consolidated, prevent each other and drop.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

FIG. 2 is a sectional view of the elevation adjustment mechanism of the present invention;

fig. 3 is a structural section view of the front view of the lifting mechanism of the present invention.

In the figure: the lifting device comprises a base 1, a lifting adjusting mechanism 2, a connecting cylinder 21, a lifting block 22, a support rod 23, a jack 24, a threaded hole 25, a fastening screw 26, a limit block 27, a knob 28, a lifting mechanism 3, a connecting plate 31, a driving motor 32, a driving rotating shaft 33, a threaded rod 34, a threaded sleeve 35, a connecting rod 36, a support cylinder 37, a limit upright rod 38, a lifting plate 39, a protective shell 310, a reinforcing rib 311 and a lifting handle 4.

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. 1-3, a support frame for tunnel construction includes a base 1, two lifting adjusting mechanisms 2 and two lifting mechanisms 3, wherein the two lifting adjusting mechanisms 2 are symmetrically arranged on the top of the base 1, the lifting mechanisms 3 are arranged on the two lifting adjusting mechanisms 2, the left and right sides of the base 1 are both fixedly connected with lifting handles 4, and soft pads are sleeved on the surfaces of the lifting handles 4.

The lifting adjusting mechanism 2 comprises a connecting cylinder 21, the bottom of the connecting cylinder 21 is fixedly connected with the top of the base 1, the inside of the connecting cylinder 21 is movably connected with a lifting block 22, a limit block 27 is fixedly connected with the rear side of the lifting block 22, a limit groove matched with the limit block 27 is formed in the position, corresponding to the limit block 27, of the connecting cylinder 21, a support rod 23 is fixedly connected with the top of the lifting block 22, the top end of the support rod 23 penetrates through the connecting cylinder 21 and extends to the outside of the connecting cylinder, jacks 24 are formed in the left side of the connecting cylinder 21, the number of the jacks 24 is not less than five, the jacks are equidistantly arranged on the left side of the connecting cylinder 21, threaded holes 25 are formed in the right side of the inner wall of the connecting cylinder 21 and correspond to the jacks 24, fastening screws 26 are arranged on the left side of the connecting cylinder 21 and correspond to the lifting block 22, knobs 28 are fixedly connected with, The lifting block 22 and the threaded hole 25 extend into the threaded hole 25 and are in threaded connection with the threaded hole.

The lifting mechanism 3 comprises a connecting plate 31, one side of the connecting plate 31 close to the support rod 23 is fixedly connected with the support rod 23, two sides of the bottom of the connecting plate 31 are fixedly connected with reinforcing ribs 311, one side of the reinforcing ribs 311 close to the support rod 23 is fixedly connected with the support rod 23, a driving motor 32 is installed at the midpoint of the bottom of the connecting plate 31, a protective shell 310 is fixedly connected to the bottom of the connecting plate 31 and corresponds to the driving motor 32, heat dissipation holes are formed in the surface of the protective shell 310, a driving rotating shaft 33 is fixedly connected to an output shaft of the driving motor 32, the top end of the driving rotating shaft 33 penetrates through the connecting plate 31 and extends to the outside of the connecting plate, a threaded rod 34 is fixedly connected to the surface of the threaded rod 34 in a threaded manner, supporting cylinders 37 are fixedly connected to the left side and the right side of the threaded sleeve 35 through connecting rods 36, the top of the supporting cylinder 37 is fixedly connected with a lifting plate 39, the whole support frame can be moved and transferred by moving the lifting hand 4 through the arrangement of the lifting hand 4, the motion track of the lifting block 22 in the connecting cylinder 21 is limited through the arrangement of a limiting block 27, the lifting block 22 is prevented from moving in a side direction, the device is made unstable, a knob 28 is arranged, a user can conveniently tighten a fastening screw 26, the convenience of operation is improved, the driving motor 32 is protected through the arrangement of a protective shell 310, the ash entering damage of the driving motor 32 used for a long time is prevented, the fixing degree of connection between the connecting plate 31 and the stay bar 23 is reinforced through the arrangement of a reinforcing rib 311, the falling of the connecting plate and the stay bar is prevented, the position of the lifting block 22 in the connecting cylinder 21 can be adjusted according to the approximate height of a tunnel, and the fastening screw 26 passes through the corresponding jack 24, the realization is to the tight of elevator 22, it is fixed to form, according to remaining required lifting height after the completion, utilize driving motor 32 to drive threaded rod 34 and rotate, threaded connection is above that the thread bush 35 passes through connecting rod 36's connection, under the limiting displacement who supports a section of thick bamboo 37 and spacing pole setting 38, it moves up to drive lifting plate 39, and then support the tunnel roof, this a strut for tunnel construction, structural design is reasonable, high durability and convenient use, can be according to the development height in different tunnels, conveniently adjust, and then practicality and application scope have been improved, can satisfy diversified user demand.

During the use, according to the tunnel is high roughly, adjust the position of lifter 22 in connecting cylinder 21 to utilize fastening screw 26 to pass in the jack 24 that corresponds, realize the fastening to lifter 22, form fixedly, according to remaining required lifting height after the completion, utilize driving motor 32 to drive threaded rod 34 and rotate, threaded connection is above that threaded sleeve 35 passes through the connection of connecting rod 36, under the limiting displacement of a support section of thick bamboo 37 and spacing pole setting 38, drive lifting plate 39 and move up, and then support the tunnel roof.

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 strut for tunnel construction, includes base (1), lift adjustment mechanism (2) and lifts mechanism (3), its characterized in that: the number of the lifting adjusting mechanisms (2) is two, the lifting adjusting mechanisms are symmetrically arranged at the top of the base (1), and the lifting mechanisms (3) are arranged above the two lifting adjusting mechanisms (2);

the lifting adjusting mechanism (2) comprises a connecting cylinder (21), the bottom of the connecting cylinder (21) is fixedly connected with the top of the base (1), the interior of the connecting cylinder (21) is movably connected with a lifting block (22), the top of the lifting block (22) is fixedly connected with a support rod (23), the top end of the stay bar (23) penetrates through the connecting cylinder (21) and extends to the outside of the connecting cylinder, the left side of the connecting cylinder (21) is provided with an insertion hole (24), the right side of the inner wall of the connecting cylinder (21) and the position corresponding to the insertion hole (24) are provided with a threaded hole (25), a fastening screw (26) is arranged on the left side of the connecting cylinder (21) and at a position corresponding to the lifting block (22), the right end of the fastening screw (26) sequentially penetrates through the jack (24), the lifting block (22) and the threaded hole (25) from left to right, extends into the threaded hole (25) and is in threaded connection with the threaded hole;

the lifting mechanism (3) comprises a connecting plate (31), one side of the connecting plate (31) close to the support rod (23) is fixedly connected with the support rod (23), a driving motor (32) is arranged at the midpoint of the bottom of the connecting plate (31), a driving rotating shaft (33) is fixedly connected to the output shaft of the driving motor (32), the top end of the driving rotating shaft (33) penetrates through the connecting plate (31) and extends to the outside of the connecting plate to be fixedly connected with a threaded rod (34), the surface of the threaded rod (34) is in threaded connection with a threaded sleeve (35), the left side and the right side of the threaded sleeve (35) are both fixedly connected with a supporting cylinder (37) through a connecting rod (36), the inside swing joint of a support section of thick bamboo (37) has spacing pole setting (38), the top fixed connection of the bottom of spacing pole setting (38) and connecting plate (31), the top fixedly connected with of a support section of thick bamboo (37) lifts board (39).

2. The strut for tunnel construction as claimed in claim 1, wherein: the equal fixedly connected with of the left and right sides of base (1) is lifted hand (4), the surface cover of lifting hand (4) is equipped with the cushion.

3. The strut for tunnel construction as claimed in claim 1, wherein: the number of the jacks (24) is not less than five and the jacks are arranged on the left side of the connecting cylinder (21) at equal intervals.

4. The strut for tunnel construction as claimed in claim 1, wherein: the rear side fixedly connected with stopper (27) of lifter (22), connecting cylinder (21) correspond the position of stopper (27) and seted up rather than the spacing groove that the cooperation was used.

5. The strut for tunnel construction as claimed in claim 1, wherein: the left end of the fastening screw (26) is fixedly connected with a knob (28), and anti-skid grains are formed in the surface of the knob (28).

6. The strut for tunnel construction as claimed in claim 1, wherein: the position fixedly connected with protecting crust (310) just corresponds driving motor (32) in connecting plate (31) bottom, the louvre has been seted up on the surface of protecting crust (310).

7. The strut for tunnel construction as claimed in claim 1, wherein: the two sides of the bottom of the connecting plate (31) are fixedly connected with reinforcing ribs (311), and one side, close to the support rod (23), of each reinforcing rib (311) is fixedly connected with the support rod (23).