CN218467631U

CN218467631U - Movable trolley for tunnel excavation support

Info

Publication number: CN218467631U
Application number: CN202222837472.5U
Authority: CN
Inventors: 谢志辉; 周方玉; 张春刚; 陈浩; 廖树柏; 胡建东; 段楠; 王进; 程培川; 饶根; 刘伟; 古松; 肖汉; 蒋国晨; 秦金行
Original assignee: First Engineering Co Ltd of CCCC Third Highway Engineering Co Ltd
Current assignee: First Engineering Co Ltd of CCCC Third Highway Engineering Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-10
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to the technical field of tunnel construction, in particular to a movable trolley for tunnel excavation support, which comprises a first lifting trolley and a second lifting trolley, wherein the structure of the second lifting trolley is completely the same as that of the first lifting trolley, a telescopic passage is arranged between the first lifting trolley and the second lifting trolley and is movably connected with the first lifting trolley and the second lifting trolley respectively, and the bottoms of the first lifting trolley and the second lifting trolley are provided with positioning mechanisms; the utility model discloses a be provided with two lift platform truck to rotary motion can be done each other to two lift platform truck, under the condition of only two people, can remove two positions with two platform truck earlier, accomplish a drilling earlier after, on the staff of higher authority removed another platform truck, then through rotating, rotate the platform truck of foremost backward and remove next place, can save time like this.

Description

Movable trolley for tunnel excavation support

Technical Field

The utility model relates to a tunnel construction technical field, specific is a movable trolley car that tunnel excavation was strutted.

Background

At present, the additional lead installation and the like for attaching to the tunnel wall in the domestic tunnel construction need to be installed by adopting a ground wire bent clamp, a tunnel side wall drilling process needs to be carried out before installation, the drilling height is generally 4.5-5.5 meters, in the past, an operator stands on an aluminum alloy ladder stand to drill holes, and after one drilling hole is completed, the operator needs to simultaneously carry a drilling machine, a generator and the ladder stand to move to the next drilling position, and then the holes are drilled.

In the prior art, for example, application number 2021103045466 discloses a movable trolley for tunnel excavation supporting, which specifically comprises two sets of trolley, wherein a workbench is arranged at the top of the trolley, and meanwhile, the two trolley control the distance between the trolley and a cam through a pull rod, an adjusting plate, a connecting sleeve, a connecting frame, a connecting disc and a cam;

however, when the application No. 2021103045466 is used, four persons are still required to work together, and two persons are required to stand on two work tables, if the number of persons is small, for example, only two persons are needed, after drilling is completed each time, the person below still needs to wait for pushing the trolley, and the trolley is moved to the next place to continue drilling, which wastes time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable platform truck that tunnel excavation was strutted to solve the problem that proposes among the above-mentioned background art.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a portable platform truck that tunnel excavation was strutted, includes first lift platform truck and second lift platform truck, the structure of second lift platform truck is the same completely with the structure of first lift platform truck, is provided with scalable passageway between first lift platform truck and the second lift platform truck, and scalable passageway links to each other with first lift platform truck, second lift platform truck activity respectively, and the bottom of first lift platform truck and second lift platform truck all is provided with positioning mechanism.

Further, first lift platform truck includes unable adjustment base, and unable adjustment base's surface is provided with the crane, and the top fixed mounting of crane has the layer board, and the top of layer board is provided with the workstation that is used for standing the people, and unable adjustment base's four corners all is provided with the leading wheel.

Further, the both sides of workstation all are provided with first guardrail, and the both ends of workstation all are provided with the door plant, and the door plant outwards rotates and opens.

Furthermore, a fixed rotating shaft is arranged between the supporting plate and the workbench, sleeve plates are arranged at two ends of the telescopic passage, the sleeve plates are sleeved on the surface of the fixed rotating shaft, and the telescopic passage is rotatably connected with the fixed rotating shaft through the sleeve plates.

Furthermore, scalable passageway includes first passageway and second passageway, and the one end that first passageway and second passageway kept away from each other links to each other with the lagging respectively, and the both sides in first passageway and second passageway all are provided with the second guardrail, and the activity groove has been seted up on the surface in first passageway, and the bottom in second passageway is fixed to be linked together with activity groove matched with gag lever post, and the second passageway passes through the gag lever post and slides with first passageway and link to each other.

Further, positioning mechanism includes the threaded rod, and the threaded rod links to each other with the unable adjustment base screw thread, and the bottom stationary phase of threaded rod even has the locating plate, and the top stationary phase of threaded rod even has fixed handle.

The utility model has the advantages that:

1. the utility model is provided with two lifting trolley frames, and the two lifting trolley frames can do rotary motion mutually, under the condition of only two persons, the two trolley frames can be moved to two positions firstly, after a drilling hole is finished firstly, the upper working personnel move to the other trolley frame, and then the trolley frame at the front end is rotated backwards to move to the next place through rotation, thus saving time;

2. the utility model discloses a be provided with positioning mechanism, when staff above drills, the platform truck of its bottom will be through positioning mechanism remain stable to, can change stable platform truck as the initial point, rotate another platform truck, remove suitable position with another platform truck, then fix this platform truck through positioning mechanism again.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;

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

fig. 2 is a schematic structural view of a first lifting carriage of the present invention;

fig. 3 is a schematic structural view of the retractable aisle according to the present invention.

The reference numbers in the figures are as follows:

1. a first lifting carriage; 11. a fixed base; 12. a lifting frame; 13. a support plate; 131. fixing the rotating shaft; 14. a work table; 141. a first guardrail; 142. a door panel; 15. a guide wheel; 2. a second lifting trolley; 3. a retractable aisle; 30. sheathing; 31. a first aisle; 32. a second aisle; 33. a second guard rail; 34. a movable groove; 35. a limiting rod; 4. a positioning mechanism; 41. a threaded rod; 42. positioning a plate; 43. and fixing the handle.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, a movable trolley frame for tunnel excavation supporting, including first lift trolley frame 1 and second lift trolley frame 2, two trolley frame can carry out elevating movement in step, the structure of second lift trolley frame 2 is the same as the structure of first lift trolley frame 1, be provided with scalable passageway 3 between first lift trolley frame 1 and the second lift trolley frame 2, interval between two trolley frames can be adjusted according to the position of needs drilling, and scalable passageway 3 respectively with first lift trolley frame 1, second lift trolley frame 2 activity links to each other, the bottom of first lift trolley frame 1 and second lift trolley frame 2 all is provided with positioning mechanism 4, the trolley frame can be fixed subaerial through positioning mechanism 4.

Referring to fig. 2, the first lifting platform frame vehicle 1 includes a fixed base 11, a lifting frame 12 is arranged on the surface of the fixed base 11, a supporting plate 13 is fixedly installed on the top of the lifting frame 12, a working platform 14 for standing people is arranged on the top of the supporting plate 13, the working platform 14 is lifted through the lifting frame 12, and guide wheels 15 are arranged at four corners of the fixed base 11.

The both sides of workstation 14 all are provided with first guardrail 141, have certain guard action to workstation 14, and the both ends of workstation 14 all are provided with door plant 142, and door plant 142 outwards rotates and open, accomplishes a drilling back at the staff, just need go to next rack car on, then alright with opening the door plant 142 towards next rack car to remove along scalable passageway 3.

Referring to fig. 3, a fixed rotating shaft 131 is arranged between the supporting plate 13 and the working platform 14, sleeve plates 30 are arranged at both ends of the retractable aisle 3, the sleeve plates 30 are sleeved on the surface of the fixed rotating shaft 131, and the retractable aisle 3 is rotatably connected with the fixed rotating shaft 131 through the sleeve plates 30, so that after a worker moves to a next trolley, another worker below the next trolley can rotate the previous trolley to move the next trolley to a next position for preparation.

The retractable aisle 3 comprises a first aisle 31 and a second aisle 32, one ends, far away from each other, of the first aisle 31 and the second aisle 32 are connected with the sleeve plate 30 respectively, second guardrails 33 are arranged on two sides of the first aisle 31 and the second aisle 32 respectively, a movable groove 34 is formed in the surface of the first aisle 31, a limiting rod 35 matched with the movable groove 34 is fixedly connected to the bottom of the second aisle 32, the second aisle 32 is connected with the first aisle 31 in a sliding mode through the limiting rod 35, and the second aisle 32 can slide in the first aisle 31, so that the length of the whole retractable aisle 3 is adjusted.

Referring to fig. 2, positioning mechanism 4 includes threaded rod 41, and threaded rod 41 and unable adjustment base 11 threaded connection, the bottom stationary phase of threaded rod 41 even has locating plate 42, and the top stationary phase of threaded rod 41 even has fixed handle 43, when needs fix the platform truck, through rotatory threaded rod 41 downwards for locating plate 42 supports tight ground, when needs remove, just can make progress rotatory threaded rod 41, makes it loosen, then after removing next position, through rotatory fixed.

The utility model discloses a theory of operation: firstly, two trolley carriages are moved into a tunnel, then two working platforms 14 face to two positions needing drilling, and the trolley carriages are fixed through a positioning mechanism 4, a worker enters into the most front working platform 14, then the working platform 14 is lifted through a lifting frame 12, the worker firstly drills at the first position, after the drilling is completed, a door plate 142 is opened, the worker moves into the next working platform 14 along a telescopic passageway 3 to continue drilling, at this time, the bottom worker can loosen the positioning mechanism 4 on the first lifting trolley 1, then the second lifting trolley 2 is used as an original point, the first lifting trolley 1 is rotated, the first lifting trolley 1 is moved to a proper position and then is fixed through the positioning mechanism 4 again, and the work of the worker above is waited.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a portable platform truck that tunnel excavation was strutted, includes first lift platform truck (1) and second lift platform truck (2), its characterized in that, the structure of second lift platform truck (2) is the same completely with the structure of first lift platform truck (1), is provided with scalable passageway (3) between first lift platform truck (1) and second lift platform truck (2), and scalable passageway (3) link to each other with first lift platform truck (1), second lift platform truck (2) activity respectively, and the bottom of first lift platform truck (1) and second lift platform truck (2) all is provided with positioning mechanism (4).

2. The movable trolley for tunnel excavation support according to claim 1, wherein the first lifting trolley (1) comprises a fixed base (11), a lifting frame (12) is arranged on the surface of the fixed base (11), a supporting plate (13) is fixedly installed at the top of the lifting frame (12), a workbench (14) for people to stand is arranged at the top of the supporting plate (13), and guide wheels (15) are arranged at four corners of the fixed base (11).

3. The movable trolley for supporting in tunnel excavation according to claim 2, wherein the first guard rail (141) is provided at both sides of the working platform (14), the door panels (142) are provided at both ends of the working platform (14), and the door panels (142) are opened by being rotated outwardly.

4. The movable trolley for tunnel excavation support according to claim 2, wherein a fixed rotating shaft (131) is arranged between the supporting plate (13) and the working table (14), sleeve plates (30) are arranged at both ends of the retractable corridor (3), the sleeve plates (30) are sleeved on the surface of the fixed rotating shaft (131), and the retractable corridor (3) is rotatably connected with the fixed rotating shaft (131) through the sleeve plates (30).

5. The movable trolley for tunnel excavation support according to claim 4, wherein the retractable aisle (3) comprises a first aisle (31) and a second aisle (32), one ends, far away from each other, of the first aisle (31) and the second aisle (32) are respectively connected with the sleeve plate (30), second guardrails (33) are arranged on two sides of the first aisle (31) and the second aisle (32), a movable groove (34) is formed in the surface of the first aisle (31), an aisle limiting rod (35) matched with the movable groove (34) is fixedly connected to the bottom of the second aisle (32), and the second aisle (32) is connected with the first aisle (31) in a sliding mode through the limiting rod (35).

6. The movable trolley for tunnel excavation support according to claim 2, wherein the positioning mechanism (4) comprises a threaded rod (41), the threaded rod (41) is in threaded connection with the fixed base (11), a positioning plate (42) is fixedly connected to the bottom end of the threaded rod (41), and a fixed handle (43) is fixedly connected to the top end of the threaded rod (41).