CN218439377U

CN218439377U - Automatic lifting frame for tunnel construction

Info

Publication number: CN218439377U
Application number: CN202222839844.8U
Authority: CN
Inventors: 仲辉; 胡玉平; 鲁璐
Original assignee: Shaanxi Nonferrous Construction Co ltd
Current assignee: Shaanxi Nonferrous Construction Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-03
Anticipated expiration: 2032-10-26

Abstract

The application relates to the field of tunnel construction auxiliary tools, in particular to an automatic lifting frame for tunnel construction, which comprises a bottom plate, a workbench, an upright post, a lifting piece and a driving assembly; the number of the upright columns is multiple, the upright columns penetrate through the workbench and are in sliding connection with the workbench, and the upright columns are vertically connected with the bottom plate; the lifting pieces are multiple groups, each lifting piece comprises two supporting rods, one end of each supporting rod is rotatably connected with the workbench, and the other end of each supporting rod is slidably connected with the bottom plate; the driving assembly is used for adjusting the angle between the two supporting rods and is arranged on the bottom plate. The automatic crane of tunnel construction usefulness of design provides operation platform for constructor through the workstation, provides the guide effect for the workstation goes up and down through the pole setting to the stand can avoid the workstation to lead to the incline because of the atress is uneven, makes the height that operating personnel can freely adjust the workstation through drive assembly, thereby improves operating personnel's construction travelling comfort.

Description

Automatic lifting frame for tunnel construction

Technical Field

The application relates to the field of tunnel construction auxiliary tools, in particular to an automatic lifting frame for tunnel construction.

Background

When construction in the tunnel, often need the manual work to carry out the lining cutting and lay various circuit to the tunnel hunch portion, nevertheless because tunnel height generally exceeds normal constructor height, for the convenience of construction, often through the mode of setting up the scaffold in order to compensate the difference in height that is under construction.

Application number is 202010791334.0's patent application discloses scaffold frame for construction, including supporting the montant, the outside of supporting the montant bottom is provided with the sleeve pipe, the sheathed tube bottom has the universal wheel through the screw bolt, it has firm branch through the loose axle is articulated to support the surface of montant, supports the top on montant surface and the first crossbeam of below difference fixedly connected with and second crossbeam, supports the montant one side in opposite directions and is located the top of firm branch and is provided with the installation frame.

Aiming at the related technologies, the inventor thinks that in the tunnel construction process, the designed scaffold for building construction can be used by different operators, the heights of the different operators are different, but the designed scaffold for building construction can only adjust the fixed height every time, so that the operators can not select a comfortable operating height according to the height of the operators and the current construction height, and the construction comfort of the operators is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve operating personnel's construction travelling comfort, this application provides an automatic lifting frame that tunnel construction used.

The application provides an automatic lifting frame that tunnel construction used adopts following technical scheme:

an automatic lifting frame for tunnel construction comprises a bottom plate, a workbench, an upright post, a lifting piece and a driving assembly; the number of the upright columns is multiple, the upright columns penetrate through the workbench and are in sliding connection with the workbench, and the upright columns are vertically connected with the bottom plate; the lifting pieces are distributed along the short side direction of the bottom plate, each lifting piece comprises two support rods, one end of each support rod is rotatably connected with the workbench, and the other end of each support rod is slidably connected with the bottom plate; the driving assembly is used for adjusting the angle between the two supporting rods and is arranged on the bottom plate.

By adopting the technical scheme, during construction, the automatic lifting frame is placed at a preset position, the driving assembly is adjusted to drive the supporting rod to move, and the supporting rod jacks the workbench until the workbench rises to a preset height; the automatic crane of tunnel construction usefulness of design provides work platform for constructor through the workstation, provides the guide effect for the workstation goes up and down through the pole setting, can avoid the workstation to lead to the incline because of the atress is uneven simultaneously, makes the height that operating personnel can freely adjust the workstation through drive assembly to improve operating personnel's construction travelling comfort.

Optionally, the driving assembly includes a power part, a bidirectional screw and two linkage rods; one end of the support rod close to the bottom plate is rotatably connected with a sliding block; the bottom plate is provided with a slide rail for the slide block to slide; the two linkage rods are axially arranged in parallel, the linkage rods penetrate through a plurality of sliding blocks arranged in parallel at one end of the supporting rod, and the linkage rods are fixedly connected with the sliding blocks; the axial direction of the bidirectional screw is vertical to the axial direction of the linkage rods, the axial direction of the bidirectional screw is parallel to the plane of the bottom plate, and a positive thread section and a negative thread section of the bidirectional screw are respectively in threaded connection with the two linkage rods; the power part is used for driving the bidirectional screw rod to rotate, and the power part is connected with the bottom plate.

By adopting the technical scheme, the power part drives the two-way screw to rotate, the two driving rods in threaded connection with the two-way screw are far away from or close to each other, so that the sliding block is driven to move, and the sliding block drives the supporting rod to move, so that the lifting of the workbench is realized; the drive assembly who designs provides power for two-way screw rod rotates through the power spare, through the cooperation of two-way screw rod, actuating lever and slider, realizes the removal of bracing piece to realize the automatically regulated of workstation height.

Optionally, the power member comprises a motor; the output shaft of the motor is coaxially connected with the bidirectional screw rod, and the motor is connected to the bottom plate.

Through adopting above-mentioned technical scheme, the power spare of design, through motor drive two-way screw rod rotation.

Optionally, one end of the upright column, which is far away from the bottom plate, is connected with a guard bar.

Through adopting above-mentioned technical scheme, the guard bar of design is through being connected with the stand to form the rail guard around the workstation, avoid constructor to fall from the workstation.

Optionally, the workbench comprises a connecting section and a step section; the ladder section is two, two the ladder section connect respectively in the linkage segment both ends, just the height of linkage segment is higher than the height of ladder section.

Through adopting above-mentioned technical scheme, the workstation of design satisfies the requirement of the different construction height of tunnel vault through setting up the ladder.

Optionally, both ends of the bottom plate along the length direction are connected with supporting legs, and a passage passageway is formed between the bottom plate and the supporting legs.

Through adopting above-mentioned technical scheme, the landing leg of design makes the bottom plate leave ground to form the passageway that supplies construction equipment and personnel to pass through, thereby reduce and place the influence of automatic crane to the current production of construction.

Optionally, the landing leg includes two montants and many horizontal poles, horizontal pole axial both ends respectively with two the week side of montant is connected.

Through adopting above-mentioned technical scheme, the landing leg of design plays the effect that supports the base through the montant, strengthens the structural strength of landing leg through the horizontal pole to the horizontal pole can act as the cat ladder of upper and lower workstation of constructor.

Optionally, the bottom of the vertical rod is provided with a self-locking universal wheel.

Through adopting above-mentioned technical scheme, the auto-lock universal wheel of design, the removal of the automatic crane of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the designed automatic lifting frame for tunnel construction provides an operation platform for constructors through the workbench, provides a guiding effect for lifting of the workbench through the upright rods, can avoid deflection of the workbench due to uneven stress, and enables the height of the workbench to be freely adjusted by operators through the driving assembly, so that the construction comfort of the operators is improved;

2. the designed guard bar is connected with the upright column, so that guard rails are formed around the workbench, and constructors are prevented from falling off the workbench;

3. the landing leg of design plays the effect of supporting the base through the montant, strengthens the structural strength of landing leg through the horizontal pole to the horizontal pole can act as the cat ladder of workstation about the constructor.

Drawings

Fig. 1 is a schematic overall structure diagram of an automatic crane for tunnel construction according to an embodiment of the present application.

Fig. 2 is a partial structural schematic diagram of an automatic crane for tunnel construction according to an embodiment of the present application.

Description of the reference numerals: 1. a base plate; 11. a slide rail; 2. a work table; 21. a connecting section; 22. a stepped section; 3. a column; 4. a lifting member; 41. a support bar; 5. a drive assembly; 51. a power member; 511. a motor; 52. a bidirectional screw; 53. a linkage rod; 6. a slider; 7. a guard bar; 8. a support leg; 81. a vertical rod; 82. a cross bar; 9. self-locking universal wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses automatic lifting frame for tunnel construction.

Referring to fig. 1 and 2, an automatic lifting frame for tunnel construction includes a base plate 1, a work table 2, a column 3, a lifting member 4, and a driving assembly 5; the two ends of the bottom plate 1 in the length direction are respectively welded with a supporting leg 8, a passage is formed between the bottom plate 1 and the supporting legs 8, each supporting leg 8 comprises two vertical rods 81 and a plurality of transverse rods 82, the two vertical rods 81 are arranged in parallel, one ends, far away from the ground, of the vertical rods 81 are welded with the bottom plate 1, the transverse rods 82 are arranged in parallel at the same intervals, and the two axial ends of each transverse rod 82 are respectively welded with the peripheral sides of the two vertical rods 81; the bottom of the vertical rod 81 is connected with a self-locking universal wheel 9 through a bolt.

Referring to fig. 1, a plurality of upright posts 3 are vertically welded with a bottom plate 1, one ends of the upright posts 3 far away from the bottom plate 1 penetrate through a workbench 2 and are connected with the workbench 2 in a sliding manner, and one ends of the upright posts 3 far away from the bottom plate 1 are welded with a protection rod 7; the workbench 2 comprises a connecting section 21 and two step sections 22, the number of the step sections 22 is two, the two step sections 22 are welded at two ends of the connecting section 21 respectively, and the height of the connecting section 21 is higher than that of the step sections 22.

Referring to fig. 2, the lifting members 4 are four groups, the four groups of lifting members 4 are distributed along the short side direction of the bottom plate 1, each lifting member 4 comprises two support rods 41, one end of each support rod 41 is hinged with the workbench 2, and the other end of each support rod 41 is rotatably connected with a sliding block 6; and the welding has the slide rail 11 that supplies slider 6 to slide on the bottom plate 1, and four slide rails 11 are parallel arrangement each other, and the rotation direction place plane of bracing piece 41 is parallel with the long limit direction of slide rail 11.

Referring to fig. 2, the driving assembly 5 comprises a power part 51, a bidirectional screw 52 and two linkage rods 53, the two linkage rods 53 are axially arranged in parallel, the linkage rods 53 penetrate through the sliding blocks 6 at one ends of four support rods 41 arranged in parallel, and the linkage rods 53 are welded with the sliding blocks 6; the axial direction of the bidirectional screw 52 is vertical to the axial direction of the linkage rod 53, the axial direction of the bidirectional screw 52 is parallel to the plane of the bottom plate 1, and the positive thread section of the bidirectional screw 52 and the negative thread section of the bidirectional screw 52 are respectively in threaded connection with the two linkage rods 53.

Referring to fig. 2, the power member 51 includes a motor 511, an output shaft of the motor 511 is coaxially connected to the bidirectional screw 52 by a coupling, and the motor 511 is fixed to the base plate 1 by bolts.

The implementation principle of the automatic lifting frame for tunnel construction in the embodiment of the application is as follows: during construction, the lifting frame is moved to a preset position, then the motor 511 is started, the motor 511 drives the two-way screw 52 to rotate, the two-way screw 52 drives the two linkage rods 53 to be close to each other, the slide block 6 drives the supporting rod 41 to move, the supporting rod 41 jacks the workbench 2 until the workbench 2 rises to a preset height, and then a constructor starts construction on the workbench 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic crane that tunnel construction used which characterized in that: comprises a bottom plate (1), a workbench (2), a stand column (3), a lifting piece (4) and a driving component (5);

the number of the upright posts (3) is multiple, the upright posts (3) penetrate through the workbench (2) and are in sliding connection with the workbench (2), and the upright posts (3) are vertically connected with the bottom plate (1);

the lifting pieces (4) are distributed along the short side direction of the bottom plate (1), the lifting pieces (4) comprise two support rods (41), one end of each support rod (41) is rotatably connected with the workbench (2), and the other end of each support rod (41) is slidably connected with the bottom plate (1);

the driving assembly (5) is used for adjusting the angle between the two supporting rods (41), and the driving assembly (5) is arranged on the bottom plate (1).

2. The automatic crane for tunnel construction according to claim 1, wherein: the driving assembly (5) comprises a power part (51), a bidirectional screw (52) and two linkage rods (53);

one end of the support rod (41) close to the bottom plate (1) is rotatably connected with a sliding block (6);

a sliding rail (11) for the sliding block (6) to slide is arranged on the bottom plate (1);

the two linkage rods (53) are axially arranged in parallel, the linkage rods (53) penetrate through the sliding blocks (6) at one ends of the support rods (41) which are arranged in parallel, and the linkage rods (53) are fixedly connected with the sliding blocks (6);

the axial direction of the bidirectional screw (52) is vertical to the axial direction of the linkage rods (53), the axial direction of the bidirectional screw (52) is parallel to the plane of the bottom plate (1), and a normal thread section and a reverse thread section of the bidirectional screw (52) are respectively in threaded connection with the two linkage rods (53);

the power part (51) is used for driving the bidirectional screw rod (52) to rotate, and the power part (51) is connected with the bottom plate (1).

3. The automatic crane for tunnel construction according to claim 2, wherein: the power member (51) comprises a motor (511);

the output shaft of the motor (511) is coaxially connected with the bidirectional screw (52), and the motor (511) is connected to the bottom plate (1).

4. The automatic crane for tunnel construction according to claim 1, wherein: one end of the upright post (3) far away from the bottom plate (1) is connected with a guard bar (7).

5. The automatic crane for tunnel construction according to claim 1, wherein: the workbench (2) comprises a connecting section (21) and a step section (22);

the number of the step sections (22) is two, the two step sections (22) are respectively connected to two ends of the connecting section (21), and the height of the connecting section (21) is higher than that of the step sections (22).

6. The automatic lifting frame for tunnel construction according to claim 1, wherein: both ends of the bottom plate (1) along the long edge direction are connected with supporting legs (8), and a passage passageway is formed between the bottom plate (1) and the supporting legs (8).

7. The automatic lifting frame for tunnel construction according to claim 6, wherein: landing leg (8) include two montants (81) and many horizontal poles (82), horizontal pole (82) axial both ends respectively with two the week side of montant (81) is connected.

8. The automatic lifting frame for tunnel construction according to claim 7, wherein: the bottom of the vertical rod (81) is provided with a self-locking universal wheel (9).