Crawler-type excavation trolley with streamline appearance

By designing a streamlined tracked excavation trolley, utilizing tracks to enhance traction and a scissor lift structure to improve visibility, the problems of limited visibility and ground damage were solved, thereby improving construction accuracy and safety.

CN223686688UActive Publication Date: 2025-12-19CCCC SECOND HIGHWAY ENG CO LTD
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Patent Information

Application Number
CN202520248605.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-19
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Existing excavation trolleys have limited visibility when encountering surrounding obstacles, resulting in poor construction accuracy and safety. Furthermore, tire-driven operation can easily damage the ground foundation.

Method used

Design a streamlined tracked excavation trolley that uses tracks instead of tires and is equipped with a scissor lift structure to enhance the adjustability of the cab and the traction of the tracks.

Benefits of technology

It improves construction precision and safety, enhances the passability and adaptability of tracked vehicles in harsh terrain, and reduces damage to the ground.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tunnel construction equipment, in particular to a crawler-type excavation trolley with a streamline appearance, which comprises a crawler belt component positioned below and used for moving, a connecting frame body is connected above the crawler belt component, and a cab is arranged above the rear side of the connecting frame body. A shear fork type lifting structure is arranged between the lower portion of the cab and the upper portion of the connecting frame body, outer shells are fixedly installed on the left side and the right side of the upper portion of the front side of the connecting frame body correspondingly, a vertical table is further arranged in the outer shells and located on one side of the cab, and a working device is installed on the vertical table; the height of the cab in the excavation trolley is adjusted through the shear fork type lifting structure arranged below the cab, so that an operator in the cab can clearly see the operation state and the construction condition of a remote working device, and danger in the construction process is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel construction equipment technical field, concretely is a tracked excavating trolley of streamline appearance. BACKGROUND

[0002] Tunnel construction refers to the construction method, construction technology and construction management of tunnel and underground chamber. It usually includes digging out soil and stone in stratum to form underground space meeting design section, and carrying out necessary support and lining to control the deformation of tunnel surrounding rock, and ensuring tunnel construction safety and long-term safety use.

[0003] Tunnel construction includes the following processes:

[0004] 1. Project preparation: feasibility study, survey and design, bidding and other work.

[0005] 2. Construction site preparation: establish construction site, erect temporary facilities, equip construction machinery and equipment, etc.

[0006] 3. Technical preparation: develop construction plan, safety technology disclosure, personnel training, etc.

[0007] 4. Excavation: according to tunnel section shape and geological conditions, select appropriate excavation method, such as drilling and blasting method, mechanical excavation method (including tunneling machine method, TBM method), shield method, etc., to excavate tunnel.

[0008] 5. Support: according to the stability of surrounding rock, timely tunnel support is ensured. Common support methods include steel arch support, concrete support, plain concrete support, steel pipe concrete support, etc.

[0009] 6. Waterproofing: waterproof treatment is carried out on the tunnel to prevent groundwater seepage. Common waterproof methods include asphalt waterproofing, coiled material waterproofing, coating waterproofing, rigid waterproofing, etc.

[0010] 7. Lining: on the basis of tunnel support, tunnel lining is carried out to form permanent surrounding rock support structure. Common lining methods include concrete lining, brick lining, reinforced concrete lining, etc.

[0011] 8. Construction of auxiliary facilities: installation of lighting, ventilation, drainage, communication and other auxiliary facilities.

[0012] 9. Quality acceptance: quality acceptance of tunnel engineering is carried out to ensure that the engineering quality meets the design requirements and standard.

[0013] 10. Clean up the site: remove temporary facilities, clean up the construction site and restore the surrounding environment.

[0014] 11. File arrangement: collect and arrange relevant data in the construction process, and compile completion data.

[0015] Wherein in the excavation and initial support stage of the tunnel, the excavation trolley needs to be used for construction, usually needs to drive the excavation trolley to the position of the tunnel section to be excavated, through the operation of the translation cylinder, the jacking cylinder and the lateral cylinder of the hydraulic system, the excavation trolley is accurately positioned, the contour section size is consistent with the design size of the tunnel, then the excavating device of the excavation trolley is started, and the excavation operation is carried out according to the predetermined excavation scheme.

[0016] However, in the tunnel construction process of the excavation trolley at present, the following problems still exist: when the operation encounters the situation that there are obstacles around, if the driving cabin position is fixed and immovable, the field of view of the operator is limited, the blind area is large, and the construction precision and construction safety are affected; and the existing excavation trolley usually adopts tire driving, which is easy to cause damage to the ground foundation.

[0017] Therefore, it is necessary to design a tracked excavation trolley with streamlined appearance to solve the above problems. Content of the utility model

[0018] The utility model aims at providing a tracked excavation trolley with streamlined appearance to solve the problems in the above background art.

[0019] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0020] A tracked excavation trolley with streamlined appearance, comprising a tracked assembly for movement below, a connecting frame body is connected above the tracked assembly, a driving cabin is arranged above the rear side of the connecting frame body, a scissor type lifting structure is arranged between the lower side of the driving cabin and the upper side of the connecting frame body, an openable driving cabin door is further arranged on one side of the driving cabin, a shell body is fixedly installed on the upper side of the front side of the connecting frame body, a standing table is further arranged on one side of the inside of the shell body, a working device is installed on the standing table, a top plate is fixedly installed on the top of the side of the shell body away from the working device, and an illuminating lamp is installed below the side of the top plate away from the driving cabin.

[0021] As a preferred scheme of the utility model, the scissor type lifting structure comprises a bottom mounting seat fixedly installed on the connecting frame body, side connecting plates are fixedly installed on the left and right sides of the bottom mounting seat, scissor type lifting plates are connected on the side connecting plates on the left and right sides, and the upper side of the scissor type lifting plate is connected to the bottom of the driving cabin.

[0022] As a preferred scheme of the utility model, a waist-shaped opening is formed on one side of the side connecting plate on the left and right sides, one side of the side connecting plate is rotatably connected to one end below the scissor type lifting plate, and the other end below the scissor type lifting plate is rotatably connected and slides inside the opening.

[0023] As the preferred scheme of the utility model, the driving cylinder is connected between the upper side of the bottom mounting seat and the scissor lifting plate, and the driving cylinder is used to drive the scissor lifting structure to rotate and realize lifting operation.

[0024] As the preferred scheme of the utility model, the bottom of the driving cabin away from the top plate side is also fixedly provided with a plurality of guide telescopic rods, and the bottom of the guide telescopic rod is fixedly installed above the connecting frame body.

[0025] As the preferred scheme of the utility model, the working device is driven by a plurality of hydraulic cylinders.

[0026] As the preferred scheme of the utility model, the inside of the track assembly is connected with a plurality of supporting wheels, guide wheels and track sprocket for driving, and the track sprocket is installed on the shaft body.

[0027] Compared with the prior art, the utility model has the beneficial effects that:

[0028] 1. In the utility model, when the track type excavating carrier is used, the height of the driving cabin in the excavating carrier can be adjusted by the scissor lifting structure arranged below the driving cabin, so that the operator in the driving cabin can clearly see the running state and construction condition of the working device, and the danger in the construction process is avoided.

[0029] 2. In the utility model, the track type excavating carrier with a streamline appearance is arranged, the tire below the excavating carrier is replaced by a track type, the contact area of the track with the ground is larger, the friction is increased, the ground adhesion is improved, the excavating carrier can firmly hold the ground, and the passability and adaptability of the track type vehicle are particularly excellent in the muddy and other harsh construction terrains. BRIEF DESCRIPTION OF DRAWINGS

[0030] Fig. 1 It is the whole three-dimensional structure schematic view of the utility model;

[0031] Fig. 2 It is the three-dimensional structure schematic view of the utility model after being partially disassembled;

[0032] Fig. 3 It is the three-dimensional structure schematic view of the driving cabin and the scissor lifting structure of the utility model.

[0033] In the figure: 1, track assembly; 2, connecting frame body; 3, driver cabin; 4, scissor lifting structure; 41, bottom mounting seat; 42, side connecting plate; 43, scissor lifting plate; 44, notch; 45, driving cylinder; 5, driver cabin door; 6, outer shell; 7, working device; 8, top plate; 9, lighting lamp; 10, stand; 11, guide telescopic rod; 12, multi-section hydraulic cylinder. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0035] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. 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.

[0036] 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 intervening elements. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are merely used for the purpose of illustration.

[0037] 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.

[0038] Embodiments, please see Figs. 1-3 The present application provides a technical solution:

[0039] The application discloses a caterpillar excavating platform with streamlined appearance, which comprises a caterpillar assembly 1 arranged below for movement, a connecting frame body 2 connected above the caterpillar assembly 1, a driver cabin 3 arranged above the rear side of the connecting frame body 2, a scissor type lifting structure 4 arranged between the lower side of the driver cabin 3 and the upper side of the connecting frame body 2, an openable driver cabin door 5 arranged on one side of the driver cabin 3, a shell body 6 fixedly installed on the front side of the connecting frame body 2 and arranged on the left and right sides, the shell body 6 is designed in a streamlined shape, which can reduce airflow separation, turbulence and pressure loss, thereby reducing the resistance of the excavating platform, a vertical platform 10 is further arranged on one side of the driver cabin 3 inside the shell body 6, a working device 7 is installed on the vertical platform 10, the working device 7 is driven by a plurality of hydraulic cylinders 12, a top plate 8 is fixedly installed on the top of the side of the shell body 6 away from the working device 7, and a lighting lamp 9 is installed on the side of the top plate 8 away from the driver cabin 3 and below, which is used for providing lighting environment in the tunnel construction process.

[0040] Specifically, the scissor type lifting structure 4 comprises a bottom mounting seat 41 fixedly installed on the connecting frame body 2, side connecting plates 42 fixedly installed on the left and right sides of the bottom mounting seat 41, scissor type lifting plates 43 connected on the two side connecting plates 42, and the upper side of the scissor type lifting plates 43 is connected to the bottom of the driver cabin 3; a waist-shaped opening 44 is arranged on one side of the left and right side connecting plates 42, one side of the side connecting plate 42 is rotationally connected to the lower side of one end of the scissor type lifting plate 43, the other end of the lower side of the scissor type lifting plate 43 is rotationally connected and arranged to slide inside the opening 44; a driving cylinder 45 is connected between the upper side of the bottom mounting seat 41 and the scissor type lifting plate 43, and the driving cylinder 45 is used to drive the scissor type lifting structure 4 to rotate and realize lifting operation; a plurality of guide telescopic rods 11 are further fixedly installed on the side of the bottom of the driver cabin 3 away from the top plate 8, and the bottom of the guide telescopic rod 11 is fixedly installed on the upper side of the connecting frame body 2; the upper scissor type lifting plate 43 is driven to operate by the driving cylinder 45, so that the upper driver cabin 3 is driven to operate to lift, thereby adjusting the height of the driver cabin in the excavating platform, so that the operator inside the driver cabin can clearly see the running state and construction condition of the working device far away, and the danger in the construction process is avoided.

[0041] Specifically, the caterpillar assembly 1 is connected with a plurality of supporting wheels, guide wheels and caterpillar chain wheels for driving, and the caterpillar chain wheels are installed on shaft bodies; since the excavating platform replaces the tires below into caterpillar type, the contact area of the caterpillar with the ground is larger, the friction is increased, the ground adhesion is improved, the excavating platform can firmly hold the ground, and especially in the muddy and other harsh construction terrains, the passability and adaptability of the caterpillar type vehicle are particularly excellent.

[0042] The utility model discloses a working procedure: when using the caterpillar type excavating trolley of streamline appearance, the operator opens the driving cabin door 5 and enters the inside of driving cabin 3, then drives the upper scissor type lifting plate 43 to carry out the opening operation through the drive cylinder 45, thereby drives the driving cabin 3 of upper to carry out the lifting operation, adjusts the height of the driving cabin in the excavating trolley, so that the operator in the driving cabin can clearly see the running state and construction condition of the remote working device, avoids the danger in the construction process, and simultaneously carries out the excavation construction operation in the tunnel through the front side working device 7, and when the excavating trolley constructs, because the excavating trolley replaces the tire under with caterpillar type, the contact area of caterpillar and ground is larger, can increase the friction, improves the grip, makes the excavating trolley can firmly hold the ground, especially in the muddy and other bad construction terrain, the passability and adaptability of caterpillar type vehicle are especially outstanding.

[0043] Although the embodiments of the utility model have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Streamlined appearance of a crawler excavating platform, comprising a crawler assembly (1) for movement below, characterized in that: The upper part of the track assembly (1) is connected with a connecting frame body (2), the rear upper part of the connecting frame body (2) is provided with a driver cabin (3), the lower part of the driver cabin (3) and the upper part of the connecting frame body (2) are provided with a scissor lifting structure (4), one side of the driver cabin (3) is also provided with an openable driver cabin door (5), the upper part of the front side of the connecting frame body (2) is fixedly installed with a shell body (6) on the left and right sides, the inside of the shell body (6) is provided with a stand (10) on one side of the driver cabin (3), the stand (10) is installed with a working device (7), the top of the side of the shell body (6) away from the working device (7) is fixedly installed with a top plate (8), the side of the top plate (8) away from the driver cabin (3) is installed below with a lighting lamp (9).

2. A streamlined appearance caterpillar excavating carriage according to claim 1, characterized in that: The scissor lifting structure (4) comprises a bottom mounting seat (41) fixedly installed on the connecting frame body (2), the left and right sides of the bottom mounting seat (41) are fixedly installed with side connecting plates (42), the left and right sides of the side connecting plates (42) are connected with scissor lifting plates (43), and the upper part of the scissor lifting plates (43) is connected to the bottom of the driver cabin (3).

3. A streamlined appearance caterpillar excavating carriage according to claim 2, characterized in that: The side of the left and right side connecting plates (42) is provided with a waist-shaped opening (44), the side of the side connecting plate (42) is rotatably connected to the lower end of the scissor lifting plate (43), and the other end of the scissor lifting plate (43) is rotatably connected and slid in the opening (44).

4. A streamlined appearance caterpillar excavating carriage according to claim 2, characterized in that: The bottom mounting seat (41) is connected with a driving cylinder (45) between the upper side and the scissor lifting plate (43), and the driving cylinder (45) is used to drive the scissor lifting structure (4) to rotate and realize lifting operation.

5. A streamlined appearance caterpillar carriage according to claim 1, characterized in that: The bottom of the driver cabin (3) is also fixedly installed with a plurality of guide telescopic rods (11) away from the top plate (8), and the bottom of the guide telescopic rod (11) is fixedly installed on the upper part of the connecting frame body (2).

6. A streamlined appearance caterpillar carriage according to claim 1, characterized in that: The working device (7) is driven by a plurality of hydraulic cylinders (12).

7. A streamlined appearance caterpillar carriage according to claim 1, characterized in that: The inside of the track assembly (1) is connected with a plurality of supporting wheels, guide wheels and track sprockets for driving, and the track sprockets are installed on the shaft body.