CN218522675U - A trolley for the construction of a cavern with a circular section - Google Patents

Abstract

The utility model provides a trolley for construction of a cavern with a circular section, which belongs to the technical field of construction trolleys. The technical solution is: a trolley for the construction of a cavern with a circular section, including a base, a worktable placed on the base, and two correspondingly arranged at the longitudinal ends of the top of the worktable and matched with the side walls of the cavern. Balance assembly; the base includes an underframe and a number of bottom wheels arranged on the bottom surface of the underframe; the balance assembly includes two balance wheels correspondingly located on the outer sides of the lateral ends of the workbench, and two balance wheels arranged on the workbench to control two balance wheels. Telescoping part with wheels approaching or moving away from the work surface. The beneficial effects of the utility model are: the utility model provides a construction trolley with a circular cross-section, which is simple in structure, convenient in construction, stable in operation and strong in applicability.

Description

A trolley for the construction of a cavern with a circular section

technical field

The utility model relates to the technical field of construction trolleys, in particular to a trolley for construction of a cavern with a circular section.

Background technique

For the project, according to the relevant functions of the cavern, caverns with different cross-sections need to be used, and circular caverns inevitably appear at high frequencies in civil construction sites. The circular caverns that have been lined often need to complete cavern repair, backfill grouting, consolidation grouting, etc., and need to transport materials into the cavern or workers to carry out multi-directional construction in the cavern, but the irregular side walls of the cavern It increases the difficulty of transportation and construction, also increases the construction risk and reduces the construction efficiency.

How to solve the problems in the above-mentioned prior art is the problem that the utility model faces.

Utility model content

The purpose of the utility model is to provide a construction trolley with a circular section cavern with simple structure and manufacture, convenient construction, stable operation and strong applicability.

The utility model is achieved through the following measures: a trolley for construction of a cavern with a circular section, which includes a base, a work table placed on the base, and correspondingly arranged at both longitudinal ends of the top of the work table 1. Two balance components matched with the side wall of the cavern. The balance component is located on the top of the working table, the center of gravity of the entire trolley is low, and the operation is stable. When the balance component matches the side wall of the cavern, it can ensure that there is enough working space;

The base includes a bottom frame, and several bottom wheels arranged on the bottom surface of the bottom frame. Preferably, the bottom wheels are set as universal wheels, so as to facilitate turning in the cavern;

The balance assembly includes two balance wheels correspondingly located on the outer sides of the lateral ends of the work surface, and a telescopic component arranged on the work surface to control the two balance wheels to approach or move away from the work surface.

When in use, place construction tools and materials on the worktable, or builders go up to the worktable to facilitate construction operations in the cave, adjust the telescopic parts, the two balance wheels are close to or far away from the worktable, until the two balance wheels respectively reach the On the side wall of the cavern with a circular section, another construction worker pushes the trolley into the cavern with a circular section, which can ensure the stability of the trolley during the construction operation.

The specific features of the utility model also include that the telescoping part includes a threaded sleeve that is rotatably matched with the middle part of the work surface, corresponding to the two sliding sleeves fixed on the lateral ends of the work surface, and respectively connected with the two sliding sleeves. One-to-one correspondence and sliding fit of two sliding rods, and two threaded rods respectively threaded with the two ends of the threaded sleeve; the inner end of the sliding rod is fixedly connected to the corresponding threaded rod, and the outer end is installed correspondingly The balance wheel; the centerline of the threaded sleeve is parallel or collinear with the centerline of the sliding sleeve, and the thread directions at both ends of the threaded sleeve are opposite. When adjusting, turn the threaded sleeve, and the two threaded rods will move away from each other or Close to each other, it can ensure that the two threaded rods maintain mutual symmetry, and at the same time, during the sliding process of the two sliding rods along the corresponding sliding sleeves, the two balance wheels move away from or approach each other, thereby ensuring that the worktable is located in the center between the two balance wheels place.

The specific features of the utility model are that the working table includes an inverted trapezoidal bracket and a bottom plate laid on the bottom surface of the bracket, which has a simple structure and is convenient to manufacture.

The specific features of the utility model are also that the bracket includes a top frame and four poles arranged between the four corners of the top frame and the bottom plate. During operation, two adjacent poles can be connected as needed Baffles are blocked between them to prevent construction tools and materials from falling. Preferably, the balance assembly is provided at the longitudinal end of the top frame.

The specific feature of the present invention is that the working surface further includes two handrails correspondingly arranged at both longitudinal ends of the support, preferably, the handrails are arranged between the two poles at the corresponding ends.

The specific feature of the utility model is that the bottom frame can be lifted and lowered according to the needs, so that the balance wheel is pressed against the side wall of the cavern along the diameter direction of the circular section, which further satisfies the needs of circular sections of different sizes. cavern.

The specific features of the utility model also include that the bottom frame includes a bottom frame and a receiving frame parallel to each other, a scissor frame that is movably connected between the bottom frame and the receiving frame, and is arranged between the bottom frame and the receiving frame. The hydraulic cylinder between the scissor frames, wherein, the bottom wheel is installed on the bottom surface of the bottom frame, and the worktable is installed on the receiving frame. The scissor frame is the prior art, and will not be described here. When the hydraulic cylinder stretches, Drive the scissor frame to rotate along the hinge in the middle to adjust the distance between the bottom frame and the receiving frame.

The beneficial effects of the utility model are as follows: the utility model places construction tools and materials on the working table, or builders go up to the working table, so as to facilitate the construction operation in the cave, adjust the telescopic parts, and make the two balance wheels close to or far away from the working surface. The platform and the two balance wheels are respectively against the side wall of the circular section cave, and another construction worker pushes the trolley into the circular section cavern, which can ensure the stability of the trolley during the construction operation; the structure of the utility model The invention is simple to manufacture, can be used in chambers with circular cross-sections of different sizes, and is suitable for wide popularization and application.

Description of drawings

Fig. 1 is a side view of the utility model;

Fig. 2 is the top structural representation of the utility model;

Fig. 3 is a schematic diagram of the bottom structure of the utility model.

Wherein, reference signs are: 1, base; 11, bottom frame; 111, bottom frame; 112, receiving frame; 113, scissor frame; 114, hydraulic cylinder; 12, bottom wheel; 2, working surface; 21, bracket ;

Detailed ways

In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementation modes.

Referring to Fig. 1 to Fig. 3, the utility model is: a trolley for the construction of a cavern with a circular section, which includes a base 1, a work table 2 placed on the base 1, and a longitudinal top of the work table 2 correspondingly arranged There are two balance components 3 at both ends and matched with the side wall of the cavern. The balance component 3 is located on the top of the workbench 2. The center of gravity of the entire trolley is low, and the operation is stable. When the balance component is matched with the side wall of the cavern, it can ensure There is enough work space above the trolley;

The base 1 includes an underframe 11, and several bottom wheels 12 arranged on the bottom surface of the underframe 11;

The balance assembly 3 includes two balance wheels 35 correspondingly located on the lateral ends of the worktable 2 , and a telescopic component arranged on the worktable 2 to control the two balance wheels 35 to approach or move away from the worktable 2 .

When in use, place construction tools and materials on the work surface 2, or builders go up to the work surface 2, to facilitate construction operations in the cavern, adjust telescopic parts, and the two balance wheels 35 are close to or far away from the work surface 2, to two The balance wheels 35 respectively abut on the side walls of the circular section cavern, and another construction worker pushes the trolley into the circular section cavern, which can ensure the stability of the trolley during the construction operation.

The specific features of the present utility model are also that the telescopic parts include a threaded sleeve 31 that is rotatably matched with the middle part of the work surface 2, corresponding to two sliding sleeves 34 fixed on the two lateral ends of the work surface 2, corresponding to the two sliding sleeves 34 respectively. And two sliding rods 33 that are slidingly fitted, and two threaded rods 32 that are threadedly matched with the two ends of the threaded sleeve 31 respectively; wheel 35; the center line of the threaded sleeve 31 is parallel or collinear with the center line of the sliding sleeve 34, and the thread directions at both ends of the threaded sleeve 31 are opposite. The two threaded rods 32 maintain mutual symmetry, and at the same time, when the two sliding rods 33 slide along the corresponding sliding sleeves 34, the two balance wheels 35 move away from or approach each other, thereby ensuring that the worktable 2 is located between the two balance wheels 35 at the center of the room.

The specific features of the utility model also include that the work surface 2 includes an inverted trapezoidal support 21, and a bottom plate 22 laid on the bottom surface of the support 21, which is simple in structure and convenient to manufacture.

The specific features of the present utility model also include that the bracket 21 includes a top frame 211, and four poles 212 arranged between the four corners of the top frame 211 and the bottom plate 22. During operation, two adjacent poles 212 can be connected as needed Baffles are set up between them to prevent construction tools and materials from falling. Preferably, a balance assembly 3 is provided at the longitudinal end of the top frame 211 .

The specific feature of the present utility model is that the working surface 2 also includes two handrails 23 correspondingly arranged at the longitudinal ends of the bracket 21 , preferably, the handrails 23 are arranged between the two support rods 212 at the corresponding ends.

The specific features of the utility model are that the bottom frame 11 can be lifted up and down, and the bottom frame 11 can be lifted up and down according to the needs, so that the balance wheel 35 is pressed against the side wall of the cavern along the diameter direction of the circular section, further satisfying the requirements of circular sections of different sizes. Sectional chamber.

The specific features of the present utility model are also that the bottom frame 11 includes a bottom frame 111 and a receiving frame 112 parallel to each other, a scissor frame 113 movably connected between the bottom frame 111 and the receiving frame 112, and a scissor frame 113 arranged between the bottom frame 111 and the scissor frame. The hydraulic cylinder 114 between the frame 113, wherein, the bottom wheel 12 is installed on the bottom surface of the bottom frame 111, and the work surface 2 is installed on the receiving frame 112. The scissor frame 113 is a prior art, so it will not be described in detail here. When the cylinder 114 expands and contracts, it drives the scissor frame 113 to rotate along the hinge in the middle to adjust the distance between the bottom frame 111 and the receiving frame 112 .

The undescribed technical features of the utility model can be realized by or using the prior art, so they will not be repeated here. Of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary skilled persons within the essential scope of the present utility model shall also belong to the protection scope of the present utility model.

Claims (7)

1. The trolley for the construction of the cavern with the circular section is characterized by comprising a base (1), a working table top (2) arranged on the base (1) and two balance assemblies (3) which are correspondingly arranged at the two longitudinal ends of the top of the working table top (2) and matched with the side wall of the cavern;

the base (1) comprises an underframe (11) and a plurality of bottom wheels (12) arranged on the bottom surface of the underframe (11);

the balance assembly (3) comprises two balance wheels (35) which are correspondingly positioned at the outer sides of the two transverse ends of the working table top (2), and a telescopic component which is arranged on the working table top (2) and controls the two balance wheels (35) to be close to or far away from the working table top (2).

2. The trolley for the construction of the circular cross-section cavern as claimed in claim 1, wherein the telescopic component comprises a threaded sleeve (31) which is in rotating fit with the middle of the working table (2), two sliding sleeves (34) which are correspondingly fixed at the two transverse ends of the working table (2), two sliding rods (33) which are respectively in one-to-one correspondence with the two sliding sleeves (34) and are in sliding fit with the two sliding sleeves, and two threaded rods (32) which are respectively in threaded fit with the two ends of the threaded sleeve (31); the inner end of the sliding rod (33) is fixedly connected with the corresponding threaded rod (32), and the outer end of the sliding rod is provided with the corresponding balance wheel (35); the central line of the threaded sleeve (31) is parallel or collinear with the central line of the sliding sleeve (34), and the thread directions of the two ends of the threaded sleeve (31) are opposite.

3. The trolley for the construction of the circular cross-section cavern as recited in claim 1, wherein the working platform (2) comprises a bracket (21) with an inverted trapezoid shape, and a bottom plate (22) laid on the bottom surface of the bracket (21).

4. The trolley for construction of a circular-section cavern as recited in claim 3, wherein the support (21) comprises a top frame (211) and four struts (212) arranged between four corners of the top frame (211) and the bottom plate (22).

5. The trolley for the construction of the circular cross-section cavern as recited in claim 4, wherein the working platform (2) further comprises two handrails (23) correspondingly arranged at the two longitudinal ends of the support (21).

6. The trolley for the construction of the circular cross-section cavern as recited in claim 1, wherein the under frame (11) is liftable.

7. The trolley for construction of a circular-section cavern as claimed in claim 6, wherein the underframe (11) comprises a bottom frame (111) and a bearing frame (112) which are parallel to each other, a scissor frame (113) movably connected between the bottom frame (111) and the bearing frame (112), and a hydraulic cylinder (114) arranged between the bottom frame (111) and the scissor frame (113).

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