CN218644319U

CN218644319U - Support frame capable of being adjusted quickly

Info

Publication number: CN218644319U
Application number: CN202223341467.1U
Authority: CN
Inventors: 马文哲; 孟雪飞; 丁德鹏; 许成宇; 贾小平; 唐伟轩; 孙志强; 龙飞
Original assignee: China Railway 17th Bureau Group Guangzhou Construction Co ltd
Current assignee: China Railway 17th Bureau Group Guangzhou Construction Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-03-17
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a but support frame of quick adjustment relates to tunnel construction technical field, comprising a base plate, the upper end of bottom plate is rotated and is connected with the synchronizing wheel, be provided with the belt between the synchronizing wheel, hexagonal post in the upper end fixed mounting of synchronizing wheel, the upper end of bottom plate is provided with the lead screw, the outer hexagonal post is equipped with to the lower extreme of lead screw, the surface of lead screw rotates and is connected with the support column, the upper end of support column is rotated and is connected with the fagging, utilizes the instrument to rotate interior hexagonal post for the support column can upwards or move down along the lead screw, thereby makes things convenient for people to adjust the position of fagging according to tunnel height, slides movable rod an in the location shell, slides movable rod b in movable rod a simultaneously for the side stay board of bottom plate both sides can expand, makes the side stay board remove the tunnel of the different width of adaptation with this, need practice thrift the engineering time of construction according to the size design support frame in the tunnel.

Description

Support frame capable of being adjusted quickly

Technical Field

The utility model relates to a tunnel construction technical field especially relates to a but quick adjustment's support frame.

Background

In recent years, tunnel engineering is more and more widely applied, a steel structure support is required to be used for reinforcing stones on the top of the inner wall of a tunnel in the tunnel construction process so as to prevent the stones from collapsing, chinese patent CN215486090U discloses a support frame for tunnel construction, although the support frame solves the problems that the excavation space in the tunnel is small and the construction working face is limited, when the integral support frame is placed in a certain area in the tunnel, the phenomenon of construction is influenced, however, the height of tunnel excavation is inconsistent according to the construction condition, the support frame cannot be matched with different tunnel heights, chinese patent CN216811724U discloses a support frame for tunnel construction, although the problem that the existing support frame for tunnel construction is mostly provided with lockable universal wheels at the bottom, time and labor are required to carry and align the support, the support frame only can support rock walls by manpower, and can not support both sides of the tunnel, and therefore the self-adaption capability of the support frame is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a support frame capable of being adjusted quickly.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a but support frame of quick adjustment, includes the bottom plate, the upper end of bottom plate is rotated and is connected with the synchronizing wheel, be provided with the belt between the synchronizing wheel, hexagonal post in the upper end fixed mounting of synchronizing wheel, the upper end of bottom plate is provided with the lead screw, the lower extreme of lead screw is equipped with outer hexagonal post, the surface of lead screw rotates and is connected with the support column, the upper end of support column is rotated and is connected with a fagging, the side of bottom plate is equipped with the location shell admittedly, the inboard sliding connection of location shell has movable rod an, the inboard sliding connection of movable rod an has movable rod b, movable rod an and movable rod b's upper end is all rotated and is connected with the fagging.

In order to make the support column move on the lead screw, the utility model discloses the improvement has, the inside of support column is seted up threadedly, and screw thread and lead screw looks adaptation.

In order to be connected bottom plate and side backup pad and cliff, the utility model discloses the improvement has, the pilot hole has all been seted up on the surface of bottom plate and side backup pad.

In order to improve the intensity of top backup pad, the utility model discloses the improvement has, the both sides fixed mounting of top backup pad has the stiffening rib, movable rod b's last fixed surface is connected with the stopper.

In order to protect the cable in the tunnel, the utility model discloses the improvement has, the upper surface of bottom plate is provided with complementary unit, complementary unit includes the trough, the upper surface at the bottom plate is seted up to the trough, the upper end of trough is provided with the clamp plate.

In order to fix the cable in the trough, the utility model discloses the improvement has, the jack has been seted up to the upper surface of bottom plate, the inserted bar is equipped with admittedly to the lower extreme of clamp plate.

In order to insert the inserted bar in the jack, the utility model discloses the improvement has, the diameter of inserted bar is less than the diameter of jack.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, in the time of the in-service use, through setting up the bottom plate, the synchronizing wheel, the belt, interior hexagonal post, the lead screw, outer hexagonal post, the support column, the fagging, the location shell, movable rod an, movable rod b and side fagging, use outer hexagonal post, can couple together lead screw and synchronizing wheel, then recycle the instrument and rotate interior hexagonal post, make the support column can upwards or move down along the lead screw, thereby make things convenient for people to push up the position of fagging according to tunnel altitude mixture control, in addition, slide movable rod an in the location shell, slide movable rod b in movable rod an simultaneously, make the side brace board of bottom plate both sides can expand, with this tunnel that makes the side brace board remove the different width of adaptation, and improve the adaptability of support frame, need design the size of support frame according to the size in tunnel when solving tunnel construction, practice thrift the engineering time.

2. The utility model discloses in, during the in-service use, through setting up complementary unit, utilize the trough this moment, make things convenient for people to put into it with the cable in the tunnel in to provide the protection to the cable, insert the inserted bar in the jack after that, can make the clamp plate press on the cable, thereby fix the cable in the trough, do benefit to in-service use.

Drawings

Fig. 1 is a schematic view of the overall structure of a support frame capable of being adjusted rapidly according to the present invention;

FIG. 2 is a side-view exploded view of a support frame of the present invention;

fig. 3 is a bottom view of the support frame of the present invention, which can be adjusted quickly;

fig. 4 is a schematic structural view of a movable rod a and a movable rod b in a support frame capable of being adjusted rapidly according to the present invention;

fig. 5 is an enlarged view of a portion a of fig. 1 of the support frame capable of being adjusted rapidly according to the present invention.

Illustration of the drawings:

1. a base plate; 2. a synchronizing wheel; 3. a belt; 4. an inner hexagonal column; 5. a screw rod; 6. an outer hexagonal column; 7. a support column; 8. a top bracing plate; 9. a positioning shell; 10. a movable rod a; 11. a movable rod b; 12. a side supporting plate; 13. an assembly hole; 14. reinforcing ribs; 15. a limiting block; 16. a wiring groove; 17. pressing a plate; 18. inserting a rod; 19. and (4) inserting the jack.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: a supporting frame capable of being adjusted quickly comprises a bottom plate 1, synchronizing wheels 2 are connected to the upper end of the bottom plate 1 in a rotating mode, a belt 3 is arranged between the synchronizing wheels 2, inner hexagonal columns 4 are fixedly mounted at the upper ends of the synchronizing wheels 2, the inner hexagonal columns 4 are fixedly mounted at the upper ends of the synchronizing wheels 2 and used for being connected with outer hexagonal columns 6 and can be screwed by an external tool, a lead screw 5 is arranged at the upper end of the bottom plate 1, the outer hexagonal columns 6 are mounted at the lower ends of the lead screw 5, after the outer hexagonal columns 6 are inserted into the inner hexagonal columns 4, the lead screw 5 is connected with the synchronizing wheels 2, supporting columns 7 are connected to the outer surfaces of the lead screw 5 in a rotating mode, and supporting plates 8 are connected to the upper ends of the supporting columns 7 in a rotating mode, rotate through the upper end that sets up support column 7 and be connected with a fagging 8, be used for the jack-up tunnel top surface, bottom plate 1's side is equipped with location shell 9 admittedly, side through setting up bottom plate 1 is equipped with location shell 9 admittedly, be used for supporting movable rod a10, the inboard sliding connection of location shell 9 has movable rod a10, the inboard sliding connection of movable rod a10 has movable rod b11, inboard sliding connection through setting up movable rod a10 has movable rod b11, it can stimulate to opposite direction to make movable rod a10 and movable rod b11, the upper end of movable rod a10 and movable rod b11 all rotates and is connected with side fagging 12, the upper end through setting up movable rod a10 and movable rod b11 all rotates and is connected with side fagging 12, be used for supporting the both sides in tunnel.

Referring to fig. 1-5, the inside of the supporting column 7 is threaded, and the threads are matched with the screw rod 5, the threads are threaded through the inside of the supporting column 7, and the threads are matched with the screw rod 5, so that the supporting column 7 moves on the surface of the screw rod 5, the assembly holes 13 are formed in the surfaces of the bottom plate 1 and the side supporting plate 12, long nails can be driven into the assembly holes 13, the connection strength between the bottom plate 1 and the side supporting plate 12 and the tunnel rock wall is improved, the reinforcing ribs 14 are fixedly arranged on the two sides of the top supporting plate 8, the strength of the top supporting plate 8 is improved, the limiting block 15 is fixedly connected to the upper surface of the movable rod b11, and the limiting block 15 is fixedly connected to the upper surface of the movable rod b11, so as to limit the movement range of the movable rod b 11.

Example two

Referring to fig. 1 and 5, an auxiliary mechanism is disposed on an upper surface of a bottom plate 1, the auxiliary mechanism includes a wiring groove 16, the wiring groove 16 is disposed on the upper surface of the bottom plate 1 and is used for protecting a cable in a tunnel, a pressing plate 17 is disposed at an upper end of the wiring groove 16, the pressing plate 17 is disposed at an upper end of the wiring groove 16 and is used for pressing the cable, a jack 19 is disposed on the upper surface of the bottom plate 1, an insert rod 18 is fixedly mounted at a lower end of the pressing plate 17, the insert rod 18 is inserted into the jack 19, the cable can be fixed in the wiring groove 16, the diameter of the insert rod 18 is smaller than that of the jack 19, and the diameter of the insert rod 18 is smaller than that of the jack 19, so that the insert rod 18 can be inserted into the jack 19.

The working principle is as follows: by arranging the bottom plate 1, the synchronizing wheel 2, the belt 3, the inner hexagonal column 4, the screw 5, the outer hexagonal column 6, the supporting column 7, the jacking plate 8, the positioning shell 9, the movable rod a10, the movable rod b11 and the side supporting plate 12, firstly, the movable rod a10 on the inner side of the positioning shell 9 is moved, the movable rod a10 is moved to one side of the bottom plate 1, then, the movable rod b11 in the movable rod a10 is moved, the movable rod b11 is moved to the other side of the bottom plate 1, at the moment, the limiting block 15 moves in the groove of the movable rod a10 along with the movement of the movable rod b11 until the movable rod a10 and the movable rod b11 are completely pulled in opposite directions, when the movable rod a10 and the movable rod b11 are pulled, the side supporting plate 12 moves along with the movable rod a10 and the side supporting plate 12 on the movable rod b11 are rotated, so that the side supporting plates 12 can be attached to two sides of a tunnel, thereby enabling the supporting frame to be adapted to different tunnel widths, and then, the screw 5 is moved, the outer hexagonal column 6 moves along with the screw rod 5, the outer hexagonal column 6 is inserted into the inner hexagonal column 4, the screw rod 5 is connected with the synchronizing wheel 2 through the inner hexagonal column 4 at the moment, then the inner hexagonal column 4 on the synchronizing wheel 2 is screwed by means of an external tool, so that the belt 3 moves between the synchronizing wheels 2, the screw rod 5 rotates, in the rotating process of the screw rod 5, the supporting column 7 drives the supporting plate 8 to move upwards on the surface of the screw rod 5 until the supporting plate 8 contacts the top surface of the tunnel to complete the support of the tunnel, thereby improving the self-adaptive capacity of the supporting frame, solving the problem that the size of the supporting frame needs to be designed according to the size of the tunnel during tunnel construction, saving construction time, by arranging an auxiliary mechanism, the cable in the tunnel can be pressed into the cable by using the wiring groove 16 to provide protection for the cable, then the pressing plate 17 is moved, in the moving process of the pressing plate 17, the inserting rod 18 moves along with the pressing plate 17 at the same time, until the insertion rod 18 is inserted into the insertion hole 19, the pressing plate 17 is pressed into the wiring duct 16 and fixes the cable to the wiring duct 16.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a but quick adjustment's support frame, includes bottom plate (1), its characterized in that: the upper end of bottom plate (1) is rotated and is connected with synchronizing wheel (2), be provided with belt (3) between synchronizing wheel (2), hexagonal post (4) in the upper end fixed mounting of synchronizing wheel (2), the upper end of bottom plate (1) is provided with lead screw (5), hexagonal post (6) are equipped with outward to the lower extreme of lead screw (5), the surface of lead screw (5) rotates and is connected with support column (7), the upper end of support column (7) is rotated and is connected with top fagging (8), location shell (9) are adorned admittedly to the side of bottom plate (1), the inboard sliding connection of location shell (9) has movable rod a (10), the inboard sliding connection of movable rod a (10) has movable rod b (11), the upper end of movable rod a (10) and movable rod b (11) all rotates and is connected with side fagging (12).

2. The quickly adjustable support stand of claim 1 wherein: the inside of support column (7) is seted up threadedly, and the screw thread and lead screw (5) looks adaptation.

3. The quickly adjustable support stand of claim 1 wherein: and assembly holes (13) are formed in the surfaces of the bottom plate (1) and the side supporting plate (12).

4. The quickly adjustable support stand of claim 1 wherein: reinforcing ribs (14) are fixedly mounted on two sides of the top supporting plate (8), and a limiting block (15) is fixedly connected to the upper surface of the movable rod b (11).

5. The quickly adjustable support stand of claim 1 wherein: the upper surface of bottom plate (1) is provided with complementary unit, complementary unit includes trough (16), the upper surface at bottom plate (1) is seted up in trough (16), the upper end of trough (16) is provided with clamp plate (17).

6. The quickly adjustable support stand of claim 5 wherein: the upper surface of the bottom plate (1) is provided with an insertion hole (19), and the lower end of the pressing plate (17) is fixedly provided with an insertion rod (18).

7. The quickly adjustable support stand of claim 6 wherein: the diameter of the inserted rod (18) is smaller than that of the insertion hole (19).