CN212130523U

CN212130523U - Subway track construction supporting device convenient to adjust and strut distance

Info

Publication number: CN212130523U
Application number: CN202020394718.4U
Authority: CN
Inventors: 冯娇
Original assignee: Xuzhou Zhengtu Safety Technology Research Institute Co ltd
Current assignee: Xuzhou Zhengtu Safety Technology Research Institute Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-12-11
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a subway track construction is with strutting arrangement convenient to adjust and strut distance, including lower floor's base and main hydraulic stem, the below of lower floor's base is provided with the universal wheel, the top of compound pad is provided with upper base, both ends all are provided with the side ear around the base of lower floor, the top of upper base is provided with pedestal frame, pedestal frame's the fixed movable hinge that is provided with of right-hand member is buckled, the upper end swing joint of main hydraulic stem has the pressure-bearing frame. This strutting arrangement is used in subway track construction convenient to adjust strut distance compares with current ordinary strutting arrangement, through braced frame's setting, carries out the auxiliary stay effect to the top in the subway tunnel work progress, avoids appearing the condition of collapsing to indirect improvement constructor's factor of safety in the tunnel, and the device has increased length adjustment structure, adjusts the relative distance between braced frame and the adjusting frame through going up the shrinkage pole, thereby changes and strut the area.

Description

Subway track construction supporting device convenient to adjust and strut distance

Technical Field

The utility model relates to a subway track construction equipment technical field specifically is a subway track construction is with strutting arrangement convenient to adjust and strut distance.

Background

With the development of tunnel excavation engineering technology, the construction of underground tunnel traffic is more and more popular at present, the support of the tunnel is a crucial link, adverse geological conditions are often encountered in railway tunnel construction, for example, the situation of geological surrounding rocks is easy to break and fracture due to the poor development of fracture structures along some tunnels, and some hydrogeology and special geological conditions occur, if the conventional railway tunnel construction method is adopted, the initial support and the secondary lining are simply carried out to serve as a tunnel support structure, wherein the initial support is composed of single-layer concrete spraying, system anchor rods and built-in steel frames and is a flexible support system, so that for the poor geological conditions, the initial support is easy to deform and crack, the surrounding rocks are likely to be strongly settled and have large water seepage, and even the rock mass is likely to collapse and collapse in severe cases, And (5) flooding water.

The interior and exterior structures of the existing supporting device are simple, the supporting area in the using process is small, the range adjusting effect cannot be achieved according to the requirements of users, the using requirements of people cannot be well met, and technical innovation is achieved on the basis of the existing supporting device according to the situation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strutting arrangement is used in subway track construction convenient to adjust and strut distance to it is all comparatively simple to provide general strutting arrangement inside and outside structure in solving above-mentioned background art, and the area of strutting in the use is less, and can't carry out the scope regulatory action according to user's demand, the user demand problem of satisfying people that can not be fine.

In order to achieve the above object, the utility model provides a following technical scheme: a supporting device convenient for adjusting supporting distance for subway track construction comprises a lower layer base and a main hydraulic rod, universal wheels are arranged below the lower layer base, a composite pad is arranged above the lower layer base, an upper layer base is arranged above the composite pad, fixing screws are mounted inside the upper end of the upper layer base, side lugs are arranged at the front end and the rear end of the lower layer base, ground nails are arranged inside the side lugs, a base frame is arranged above the upper layer base, a connecting column is arranged in the middle of the base frame, a movable hinge buckle is fixedly arranged at the right end of the base frame, a pressure-bearing frame is movably connected to the upper end of the main hydraulic rod, the main hydraulic rod is located on the right side of the connecting column, an auxiliary hydraulic rod is arranged above the pressure-bearing frame, a supporting frame is arranged above the auxiliary hydraulic rod, a lifting and contracting rod is arranged inside the right end of the supporting frame, and the right side of the telescopic rod is provided with an adjusting frame.

Preferably, coincide mutually between the axis of lower floor's base, compound pad and upper strata base, and closely laminate between lower floor's base, compound pad and the upper strata base to be connected through the set screw between lower floor's base and the upper strata base.

Preferably, the side ears and the ground nails are symmetrical with each other about the central axis of the lower base, and the side ears and the lower base are welded with each other.

Preferably, be the welding between base frame and the upper base, and link up the even distribution in base frame's inside of post equidistance.

Preferably, the right end of the base frame is connected with the right end of the pressure-bearing frame through a movable hinge buckle, and the pressure-bearing frame is of a bent structure.

Preferably, the central axis of the telescopic rod coincides with the central axis of the supporting frame, and the horizontal height of the adjusting frame is the same as the horizontal height of the supporting frame.

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

1. the utility model has the advantages that the lower layer base, the composite pad and the upper layer base are arranged to fix and support the whole device, so as to keep the stability of the equipment in the using process, wherein the composite pad can avoid rigid friction between the lower layer base and the upper layer base, so that the equipment has the cushioning capacity, the supporting position of the equipment can be fixed by the matching between the side lugs and the ground nails, and the connection mode between the base frame and the upper layer base is simpler to operate;

2. the utility model can keep the stability of the whole supporting frame in the process of bearing and supporting through the matching between the base frame and the linking column, and keep the stress uniformity of the whole frame, thereby the surface frame is broken as much as possible, and the movable hinge buckle can realize the movable connection among the base frame, the bearing frame and the supporting frame, thereby the folding effect of the whole structure is realized;

3. the utility model discloses a supporting frame's setting carries out the auxiliary stay effect to the top in the subway tunnel work progress, avoids appearing the condition of collapsing to indirect improvement constructor's factor of safety in the tunnel, and the device has increased length adjustment structure, adjusts supporting frame and adjusts the relative distance between the frame through the liter telescopic link, thereby changes supporting area.

Drawings

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

FIG. 2 is a schematic view of a front view half-section structure of the present invention;

fig. 3 is the structure schematic diagram after the main view of the utility model is adjusted.

In the figure: 1. a lower base; 2. a composite pad; 3. an upper base; 4. a lateral ear; 5. a universal wheel; 6. a ground nail; 7. a base frame; 8. fixing screws; 9. connecting the column; 10. a movable hinge buckle; 11. the main hydraulic rod; 12. a pressure-bearing frame; 13. a secondary hydraulic stem; 14. a support frame; 15. lifting and shrinking the rod; 16. the frame is adjusted.

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, the present invention provides a technical solution: a supporting device for subway track construction convenient for adjusting supporting distance comprises a lower layer base 1 and a main hydraulic rod 11, universal wheels 5 are arranged below the lower layer base 1, a composite pad 2 is arranged above the lower layer base 1, an upper layer base 3 is arranged above the composite pad 2, fixing screws 8 are arranged inside the upper end of the upper layer base 3, the central axes of the lower layer base 1, the composite pad 2 and the upper layer base 3 are overlapped, the lower layer base 1, the composite pad 2 and the upper layer base 3 are tightly attached, the lower layer base 1 and the upper layer base 3 are connected through the fixing screws 8, the whole device is fixedly supported through the arrangement of the lower layer base 1, the composite pad 2 and the upper layer base 3, the stability of the device in the using process is kept, the composite pad 2 can avoid rigid friction between the lower layer base 1 and the upper layer base 3, the equipment has the shock absorption capacity, the supporting position of the equipment can be fixed by the matching between the side lugs 4 and the ground nails 6, and the connection mode between the base frame 7 and the upper base 3 is simpler to operate;

the front end and the rear end of the lower-layer base 1 are respectively provided with a side ear 4, a ground nail 6 is arranged in each side ear 4, the side ears 4 and the ground nail 6 are symmetrical relative to the central axis of the lower-layer base 1, the side ears 4 and the lower-layer base 1 are welded, a base frame 7 is arranged above the upper-layer base 3, the middle part of the base frame 7 is provided with a linking column 9, the base frame 7 and the upper-layer base 3 are welded, the linking columns 9 are equidistantly and uniformly distributed in the base frame 7, the stability of the whole supporting frame in the pressure-bearing supporting process can be kept through the matching between the base frame 7 and the linking columns 9, the uniform stress degree of the whole frame is kept, the surface frame is broken as far as possible, and the movable hinge buckles 10 can realize the movable connection among the base frame 7, the pressure-bearing frame 12 and the supporting frame 14, thereby realizing the folding effect of the whole structure;

the right end of the base frame 7 is fixedly provided with a movable hinge buckle 10, the upper end of a main hydraulic rod 11 is movably connected with a pressure-bearing frame 12, the main hydraulic rod 11 is positioned at the right side of the connecting column 9, the right end of the base frame 7 is connected with the right end of the pressure-bearing frame 12 through the movable hinge buckle 10, the pressure-bearing frame 12 is of a bent structure, an auxiliary hydraulic rod 13 is arranged above the pressure-bearing frame 12, a support frame 14 is arranged above the auxiliary hydraulic rod 13, a lifting and contracting rod 15 is arranged inside the right end of the support frame 14, an adjusting frame 16 is arranged at the right side of the lifting and contracting rod 15, the central axis of the lifting and contracting rod 15 is superposed with the central axis of the support frame 14, the horizontal height of the adjusting frame 16 is the same as that of the support frame 14, the upper part in the subway tunnel construction process is supported by the support frame 14, and collapse is avoided, therefore, the safety factor of constructors in the tunnel is indirectly improved, the device is additionally provided with a length adjusting structure, and the relative distance between the supporting frame 14 and the adjusting frame 16 is adjusted through the telescopic rods 15, so that the supporting area is changed.

The working principle is as follows: when the supporting device convenient for adjusting the supporting distance for subway rail construction is used, firstly, the whole device is fixedly supported through the arrangement of the lower-layer base 1, the composite pad 2 and the upper-layer base 3, the stability of the device in the using process is kept, the composite pad 2 can avoid rigid friction between the lower-layer base 1 and the upper-layer base 3, the device has the shock absorption capacity, the supporting position of the device can be fixed through the matching between the side lugs 4 and the ground nails 6, the connection mode between the base frame 7 and the upper-layer base 3 is simple to operate, the stability of the whole supporting frame in the pressure bearing supporting process can be kept through the matching between the base frame 7 and the linking columns 9, the stress uniformity degree of the whole frame is kept, the surface frame is broken as far as possible, and the movable hinge buckles 10 can realize the base frame 7, Swing joint between pressure-bearing frame 12 and the braced frame 14, thereby realize overall structure's folding effect, through braced frame 14's setting, carry out the auxiliary stay effect to the top in the subway tunnel work progress, avoid appearing the condition of collapsing, thereby indirect improvement constructor's factor of safety in the tunnel, and the device has increased length adjustment structure, adjust the relative distance between braced frame 14 and the adjusting frame 16 through liter telescopic rod 15, thereby change the area of strutting, this is exactly this be convenient for adjust the theory of operation of strutting arrangement for subway track construction of strutting distance.

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 subway track construction is with supporting device convenient to distance is strutted in regulation, includes lower floor's base (1) and main hydraulic stem (11), its characterized in that: the hydraulic support is characterized in that universal wheels (5) are arranged below the lower-layer base (1), a composite pad (2) is arranged above the lower-layer base (1), an upper-layer base (3) is arranged above the composite pad (2), a fixing screw (8) is arranged at the upper end of the upper-layer base (3), side lugs (4) are arranged at the front end and the rear end of the lower-layer base (1), ground nails (6) are arranged inside the side lugs (4), a base frame (7) is arranged above the upper-layer base (3), a connecting column (9) is arranged in the middle of the base frame (7), a movable hinge buckle (10) is fixedly arranged at the right end of the base frame (7), a pressure-bearing frame (12) is movably connected to the upper end of the main hydraulic rod (11), the main hydraulic rod (11) is positioned on the right side of the connecting column (9), an auxiliary hydraulic rod (13) is arranged above the pressure-bearing frame (12), and a supporting frame (14) is arranged above the auxiliary hydraulic rod (13), a lifting and contracting rod (15) is arranged inside the right end of the supporting frame (14), and an adjusting frame (16) is arranged on the right side of the lifting and contracting rod (15).

2. The supporting device for subway rail construction convenient to adjust supporting distance according to claim 1, characterized in that: coincide mutually between the axis of lower floor's base (1), compound pad (2) and upper base (3), and closely laminate between lower floor's base (1), compound pad (2) and upper base (3) to be connected through set screw (8) between lower floor's base (1) and upper base (3).

3. The supporting device for subway rail construction convenient to adjust supporting distance according to claim 1, characterized in that: the side ears (4) and the ground nails (6) are symmetrical relative to the central axis of the lower-layer base (1), and the side ears (4) and the lower-layer base (1) are welded.

4. The supporting device for subway rail construction convenient to adjust supporting distance according to claim 1, characterized in that: the welding is between base frame (7) and upper base (3), and links up the even inside that distributes in base frame (7) of post (9) equidistance.

5. The supporting device for subway rail construction convenient to adjust supporting distance according to claim 1, characterized in that: the right end of the base frame (7) is connected with the right end of the pressure-bearing frame (12) through a movable hinge buckle (10), and the pressure-bearing frame (12) is of a bent structure.

6. The supporting device for subway rail construction convenient to adjust supporting distance according to claim 1, characterized in that: the central axis of the telescopic rod (15) coincides with the central axis of the support frame (14), and the horizontal height of the adjusting frame (16) is the same as that of the support frame (14).