A segment crane

Abstract

The application relates to the technical field of pipe piece hoisting machines, in particular to a pipe piece hoisting machine which comprises a mounting frame, a winch is mounted on the left side of the back of the mounting frame, a winch roller is mounted at the middle of the winch, a hoisting speed reducer is mounted at the right end of the winch, a brake motor is mounted at the right end of the hoisting speed reducer, walking wheels are symmetrically mounted on the inner wall of the mounting frame, transmission rollers are mounted on the inner wall of the mounting frame and located below the walking wheels, walking speed reducers are mounted on the front of the mounting frame and correspond to the transmission rollers, walking motors are mounted on the outer side of the walking speed reducers, front-back symmetrically-distributed pipe piece limiting supports are mounted on the lower sides of the left and right ends of the mounting frame, pipe piece limiting springs are mounted on the inner side of the upper side of the pipe piece limiting supports, and pipe piece fixing sleeves are mounted at the middle of the pipe piece limiting supports; the whole has a simple structure, is convenient to use, and has high stability and practicability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of segment hoist, in particular to a segment hoist. BACKGROUND

[0002] With the rapid development of tunnel trenchless technology, the hard rock tunneling machine is widely used in municipal, traffic, water conservancy and other engineering.

[0003] The existing segment hoist usually has a double-beam structure, which hoists the segment through the winch fixed on the double-beam and the balance beam connected with the hoisting points of the winch on both sides. This kind of structure adopts a double-track structure, which occupies a large space and cannot provide enough space for implementation inside the hard rock tunneling machine. The existing segment hoist usually hoists the segment through the balance beam, and the segment is not fixed firmly, has poor climbing ability, and will shake greatly when hoisted at a high speed.

[0004] Therefore, there is a need for a segment hoist to improve the above problems. SUMMARY

[0005] The present application aims to provide a segment hoist to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A segment hoist, comprising a mounting frame, a winch is installed on the left side of the back of the mounting frame, a winch roller is installed at the middle of the winch, a hoist reducer is installed at the right end of the winch, a brake motor is installed at the right end of the hoist reducer, walking wheels are symmetrically installed on the inner wall of the mounting frame, transmission rollers are installed on the inner wall of the mounting frame and below the walking wheels, a walking reducer is installed on the front of the mounting frame and corresponds to the transmission rollers, a walking motor is installed on the outside of the walking reducer, front and rear symmetrically distributed segment limiting supports are installed on the lower side of the left and right ends of the mounting frame, segment limiting springs are installed inside the upper side of the segment limiting supports, segment fixing sleeves are installed at the middle of the segment limiting supports, segment positioning plates are installed at the bottom of the segment limiting supports, and segment limiting baffles are symmetrically installed at the front and rear ends of the segment limiting supports.

[0008] As a preferred scheme of the present application, the winch is arranged in a "V" shape on the mounting frame, the winch roller is connected with the output end of the hoist reducer, and the input end of the hoist reducer is connected with the output end of the brake motor.

[0009] As a preferred scheme of the present application, the walking wheels are provided in four, and the transmission rollers are symmetrically provided in two.

[0010] As a preferred scheme of the present application, the driving end of the walking motor is connected with the input end of the walking speed reducer, and the output end of the walking speed reducer is connected with the transmission roller.

[0011] As a preferred scheme of the present application, the bottom of the mounting frame and the connecting part with the segment limiting support are provided with a matching sleeve, and a sliding groove is formed in the sleeve, a limiting column is mounted on the segment limiting support and corresponds to the sliding groove, the segment limiting support is connected with the sleeve through the limiting column and the sliding groove, and the upper end of the segment limiting spring is located in the sleeve.

[0012] As a preferred scheme of the present application, the winch comprises a winch roller, a hoist speed reducer and a brake motor.

[0013] As a preferred scheme of the present application, the segment limiting support, the segment limiting spring, the segment fixing sleeve, the segment positioning plate and the segment limiting baffle jointly form a segment limiting assembly, and the segment limiting baffle is made of nylon material.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] In the present segment crane, the whole device is provided with a single-track segment hoisting scheme, solves the problem that the segment hoisting machine in the prior art has a large construction space and cannot adapt to the operation requirements of the hard rock tunneling machine, adopts a double-roller rack driving scheme, can make the driving trolley run stably during the segment hoisting process, and can make the driving trolley have strong climbing ability, and adopts a segment limiting assembly, which can make the segment and the driving trolley be rigidly connected under the pre-tightening state of the winch, and ensure the stability of the segment during transportation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0017] Figure 2 It is a schematic diagram of part of the structure of the present application;

[0018] Figure 3 It is a schematic diagram of the structure of the winch of the present application;

[0019] Figure 4 It is a schematic diagram of the structure of the segment limiting assembly of the present application;

[0020] Figure 5 It is a schematic diagram of the mounting structure of the present application.

[0021] In the figure: 1, mounting frame; 2, hoist; 3, hoisting roller; 4, hoist reducer; 5, brake motor; 6, traveling wheel; 7, transmission roller; 8, traveling reducer; 9, traveling motor; 10, segment limiting support; 11, segment limiting spring; 12, segment fixing sleeve; 13, segment positioning plate; 14, segment limiting baffle. Embodiments

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present application.

[0023] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be an intervening element between them. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element between them. The terms "vertical", "horizontal", "left", "right", and similar terms as used herein are for the purpose of illustration only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0026] Embodiments, please see Figures 1-5 The present application provides a technical solution:

[0027] The utility model provides a kind of segment hoist, including mounting frame 1, hoist 2 is installed in the left side of the back of mounting frame 1, hoist 2 is arranged in the form of 'V' on mounting frame 1, hoist roller 3 is installed at the middle of hoist 2, hoist 2 is installed at the right end of hoist 2 and is equipped with hoist speed reducer 4, hoist roller 3 is connected with the output end of hoist speed reducer 4, hoist speed reducer 4 is installed at the right end of hoist speed reducer 4 and is equipped with brake motor 5, the input end of hoist speed reducer 4 is connected with the output end of brake motor 5, the inner wall of mounting frame 1 is symmetrically installed with travelling wheel 6, and travelling wheel 6 is provided with four, the inner wall of mounting frame 1 and the downside of travelling wheel 6 are installed with transmission roller 7, transmission roller 7 is symmetrically provided with two, the front of mounting frame 1 and the position corresponding with transmission roller 7 are installed with travelling speed reducer 8, the output end of travelling speed reducer 8 is connected with transmission roller 7, the outside of travelling speed reducer 8 is installed with travelling motor 9, the driving end of travelling motor 9 is connected with the input end of travelling speed reducer 8, the downside of the left and right ends of mounting frame 1 is installed with front and back symmetrically distributed segment limiting support 10, the bottom of mounting frame 1 and the connecting place of segment limiting support 10 are installed with the sleeve of adaptation, and the sliding slot is opened in the sleeve, the position corresponding with sliding slot on segment limiting support 10 is installed with limiting column, segment limiting support 10 is connected with sleeve through limiting column and sliding slot, the upside inside of segment limiting support 10 is installed with segment limiting spring 11, the upper end of segment limiting spring 11 is in the sleeve, the middle of segment limiting support 10 is installed with segment fixing sleeve 12, the bottom of segment limiting support 10 is installed with segment positioning plate 13, the front and back ends of segment limiting support 10 are symmetrically installed with segment limiting baffle 14, segment limiting support 10, segment limiting spring 11, segment fixing sleeve 12, segment positioning plate 13 and segment limiting baffle 14 jointly constitute segment limiting assembly, segment limiting baffle 14 is made of nylon material, the whole device is equipped with a single track segment hoisting scheme, solves the construction space of segment hoist in prior art, cannot adapt to hard rock tunneling machine operation requirement, adopts a double roller rack driving scheme, can make driving trolley run stably during segment hoisting, and can make driving trolley have strong climbing ability, adopts a segment limiting assembly, can make segment and driving trolley rigid connection under the pre-tightening state of hoist 2, guarantees the stability in segment transportation process.

[0028] The working process of the utility model: when using the segment hoist, travelling wheel 6 of the device is installed on single track beam, and transmission roller 7 is in contact with rack at the bottom of single track beam (the specific structure can be seen from the attached drawings) Figure 5), the pipe segment is fixed to the pipe segment fixing sleeve 12, the winch 2 lifts the pipe segment, and the position of the pipe segment is adjusted after being lifted; when the pipe segment contacts the pipe segment limiting baffle 14, the pipe segment limiting baffle 14 is made of nylon, until the pipe segment limiting spring 11 is compressed, the pipe segment limiting spring 11 plays a buffering role, so that the pipe segment is fixed to the driving trolley through the pipe segment limiting assembly, and the stability of the pipe segment in the transportation process is ensured; through the two groups of walking motors 9, the driving transmission rollers 7 and the rack transmission are driven, the pipe segment hoist and the pipe segment run forward along the monorail beam to the designated position; after reaching the designated position, the walking motor 9 is braked, the winch mechanism slowly lowers the pipe segment, and so on, so that the continuous hoisting of the pipe segment is realized; the whole device is set to adopt a single track pipe segment hoisting scheme, solves the problem that the pipe segment hoist in the prior art has a large construction space and cannot adapt to the operation requirements of the hard rock tunneling machine; a double-roller rack driving scheme is adopted, the driving trolley can stably run in the pipe segment hoisting process, and the driving trolley has strong climbing ability; a pipe segment limiting assembly is adopted, the pipe segment and the driving trolley are rigidly connected in the pre-tightening state of the winch 2, and the stability of the pipe segment in the transportation process is ensured.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A segment hoist, comprising a mounting frame (1), characterized in that: A winch (2) is installed on the left side of the back of the mounting frame (1). A winch roller (3) is installed in the middle of the winch (2). A lifting reducer (4) is installed at the right end of the winch (2). A brake motor (5) is installed at the right end of the lifting reducer (4). Traveling wheels (6) are symmetrically installed on the inner wall of the mounting frame (1). A transmission roller (7) is installed on the inner wall of the mounting frame (1) and below the traveling wheels (6). A traveling reducer is installed on the front of the mounting frame (1) at a position corresponding to the transmission roller (7). The speed reducer (8) is equipped with a walking motor (9) on its outer side. The mounting bracket (1) has symmetrically distributed segment limiting brackets (10) on its lower left and right sides. The segment limiting bracket (10) has a segment limiting spring (11) installed inside its upper side. The segment fixing sleeve (12) is installed in the middle of the segment limiting bracket (10). The segment positioning plate (13) is installed at the bottom of the segment limiting bracket (10). The segment limiting baffles (14) are symmetrically installed at the front and rear ends of the segment limiting bracket (10). A matching sleeve is installed at the bottom of the mounting bracket (1) and at the connection with the segment limiting bracket (10), and a sliding groove is provided on the sleeve. A limiting post is installed on the segment limiting bracket (10) at the position corresponding to the sliding groove. The segment limiting bracket (10) is connected to the sleeve through the limiting post and the sliding groove. The upper end of the segment limiting spring (11) is located inside the sleeve. The segment limiting bracket (10), segment limiting spring (11), segment fixing sleeve (12), segment positioning plate (13) and segment limiting baffle (14) together constitute the segment limiting assembly. The segment limiting baffle (14) is made of nylon material.

2. The segment hoist according to claim 1, characterized in that: The winch (2) is arranged in a "V" shape on the mounting frame (1). The winch roller (3) is connected to the output end of the lifting reducer (4). The input end of the lifting reducer (4) is connected to the output end of the brake motor (5).

3. A segment hoist according to claim 1, characterized in that: There are four walking wheels (6) and two transmission rollers (7) arranged symmetrically on the left and right.

4. A segment hoist according to claim 1, characterized in that: The drive end of the walking motor (9) is connected to the input end of the walking reducer (8), and the output end of the walking reducer (8) is connected to the transmission roller (7).

5. A segment hoist according to claim 1, characterized in that: The winch (2) includes a winch roller (3), a lifting reducer (4), and a brake motor (5).

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