Damping structure for cab of underground trackless vehicle
By installing rubber shock absorbers between the cab and the body of the underground trackless vehicle, the vibration and bump problems of the underground trackless vehicle were solved, and the shock absorption effect and structural strength of the cab were improved, making it easier to install and maintain.
Patent Information
- Application Number
- CN202520388445.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-07
AI Technical Summary
Underground trackless vehicles experience significant vibrations and severe body jolting during operation. Existing cab connection methods cannot effectively isolate these vibrations, impacting the health of drivers.
The vehicle employs rubber shock absorbers that connect the cab to the vehicle body, including bottom and side rubber shock absorbers. The combination of rubber shock absorber seats, support sleeves, shock-absorbing rubber pads, and shims enhances the shock absorption effect and improves structural strength.
It effectively reduces the impact of vehicle body vibration on the cab, improves the fastening force and structural strength of the cab installation, and facilitates assembly and maintenance.
Smart Images
Figure CN223905148U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of underground trackless vehicle cab shock-absorbing structures, belong to engineering machinery mining engineering field. BACKGROUND
[0002] Underground trackless vehicle is mostly applied in underground roadway, and in operation process, roadway surface condition is poor, itself is configured diesel engine vibration, vehicle body uses rigid connection, operation intensity is big and other various factors cause underground trackless vehicle to be big in running process itself vibration and vehicle whole body is seriously jolted, and these are greatly influenced to driver, and long-term can harm the health of driver.How to reduce the influence of vehicle itself vibration, vehicle body jolt to driver is the important topic of underground trackless vehicle design, reliable good cab shock-absorbing system is crucial to underground vehicle.
[0003] At present, underground trackless vehicle cab is mostly integrated with vehicle body or bolted mechanically connected with vehicle body, these two connection modes can guarantee the installation reliability of cab, but cannot well isolate the transmission of vibration, and vehicle body vibration can still be transmitted to driver through cab.In road vehicle or engineering vehicle, shock-absorbing chassis or driving shock-absorbing system design is mostly used, but underground trackless vehicle bears large load, cannot adopt shock-absorbing chassis, and the structure strength of common cab shock-absorbing system of road or engineering vehicle is low, with high failure rate, so it cannot be applied to underground trackless vehicle. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the deficiency of above-mentioned prior art and providing a kind of underground trackless vehicle cab shock-absorbing structure.
[0005] The utility model provides a technical scheme as follows: A shock absorption structure of underground trackless vehicle cab, it includes cab, its characterized in being, cab connects car body cab mounting seat, cab bottom connects a plurality of bottom surface rubber shock absorber, cab side connects a plurality of side surface rubber shock absorber, bottom surface rubber shock absorber is composed of two bottom surface rubber shock absorber seat symmetry, side surface rubber shock absorber is composed of two side surface rubber shock absorber seat symmetry, bottom surface rubber shock absorber seat and side surface rubber shock absorber seat all include the support sleeve of the center cylindrical hole of iron quality and be provided with, shock absorbing rubber pad, gasket, shock absorbing rubber ring, shock absorbing rubber pad, gasket, shock absorbing rubber ring close adhesion and three inner circle fixed on the support sleeve, the shock absorbing rubber pad of bottom surface rubber shock absorber of upper portion is contacted with cab lower bottom surface, the gasket of bottom surface rubber shock absorber of upper portion is contacted with car body cab mounting seat top surface, the shock absorbing rubber pad of bottom surface rubber shock absorber of lower portion is contacted with bottom surface baffle, the gasket of bottom surface rubber shock absorber of lower portion is contacted with car body cab mounting seat bottom surface, cab, bottom surface rubber shock absorber of upper and lower portion, car body cab mounting seat, bottom surface baffle are connected through fastening bolt, locking nut, the gasket of left side side surface rubber shock absorber seat is contacted with cab side plate, the shock absorbing rubber pad of left side side surface rubber shock absorber seat is contacted with side surface baffle, the shock absorbing rubber pad of right side side surface rubber shock absorber seat is contacted with cab side plate, the gasket of right side side surface rubber shock absorber seat is contacted with car body cab mounting seat side plate, cab, left and right side side surface rubber shock absorber seat, car body cab mounting seat, side surface baffle are connected through bolt, nut.
[0006] Further, the bottom surface rubber shock absorber is four, and the side surface rubber shock absorber is two.
[0007] The utility model discloses a cab is connected with the car body through car body cab mounting seat, and the cab is made separately, and the bottom surface rubber shock absorber and the side surface rubber shock absorber are designed in the cab bottom, side, the bottom surface rubber shock absorber is composed of two bottom surface rubber shock absorber seats symmetry, the side surface rubber shock absorber is composed of two side surface rubber shock absorber seats symmetry, and the bottom side surface rubber shock absorber seat includes support sleeve, shock absorbing rubber pad, gasket and shock absorbing rubber ring, the cab is installed together with the car body through a plurality of rubber shock absorbers, so that the vibration of the car body is transmitted to the cab after the rubber shock absorption, and the influence of the vibration of the car body on the cab and the driver is greatly reduced. The rubber shock absorber adopts a split design structure, improves the universality of parts, and is more convenient for on-site assembly and maintenance. In order to enhance the structural strength of the rubber shock absorber seat, the rubber shock absorber adopts the form that the internal iron support sleeve is combined with the external shock absorbing rubber pad and shock absorbing rubber ring, which improves the structural strength of the rubber shock absorption and realizes the isolation of the vibration of the car body.
[0008] In order to adapt to the severe operation condition of the underground trackless vehicle, improve the overall installation strength of the cab, and combine the structural features of the trackless vehicle, the cab damping structure adopts the structural design of four damping rubber seats at the bottom and two damping rubber seats at the side, so that the overall structural strength is improved, and the transmission of vibration in multiple directions is blocked. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is a structural schematic view of the utility model.
[0010] Figure 2 It is a structural schematic view of the utility model. Figure 1 It is a side view.
[0011] Figure 3 It is a structural schematic view of the utility model. Figure 2 It is an A-A sectional view of the utility model.
[0012] Figure 4 It is a B-B sectional view of the utility model. Figure 2
[0013] Figure 5 It is a structural schematic view of the bottom side rubber damping seat of the utility model.
[0014] In the drawing: 1, cab mounting seat of vehicle body, 2, cab, 3, fastening bolt, 4, bottom rubber damping seat, 5, bottom baffle, 6, locking nut, 7, bolt, 8, side baffle, 9, side rubber damping seat, 10, nut, 11, damping rubber pad, 12, support sleeve, 13, gasket, 14, damping rubber ring. DETAILED DESCRIPTION
[0015] The specific embodiment of the utility model will be described in detail in combination with the drawings:
[0016] As shown in Figure 1 , Figure 2 , a cab damping structure of underground trackless vehicle includes cab mounting seat 1 of vehicle body, cab 2, several bottom rubber dampers (four in the embodiment) at the bottom and several side rubber dampers (two in the embodiment) at the side.
[0017] As shown in Figure 3 , Figure 5 As shown, the bottom rubber shock absorber is composed of two symmetrical bottom rubber shock absorbing seats 4, which include an iron support sleeve 12 with a central cylindrical hole, a shock absorbing rubber pad 11, a gasket 13, and a shock absorbing rubber ring 14. The shock absorbing rubber pad 11, the gasket 13, and the shock absorbing rubber ring 14 are tightly attached and fixed at the inner circle of the support sleeve 12. The shock absorbing rubber ring 14 of the upper bottom rubber shock absorbing seat 4 is installed downward in the circular hole provided on the vehicle body cab mounting seat 1, and the shock absorbing rubber ring 14 of the lower bottom rubber shock absorbing seat 4 is installed upward in the circular hole provided on the vehicle body cab mounting seat 1. The shock absorbing rubber pad 11 of the upper bottom rubber shock absorbing seat 4 is in contact with the lower bottom surface of the cab 2, the gasket 13 of the upper bottom rubber shock absorbing seat 4 is in contact with the top surface of the vehicle body cab mounting seat 1, the shock absorbing rubber pad 11 of the lower bottom rubber shock absorbing seat 4 is in contact with the bottom baffle 5, and the gasket 13 of the lower bottom rubber shock absorbing seat 4 is in contact with the bottom surface of the vehicle body cab mounting seat 1. The fastening bolt 3 passes through the circular hole on the lower bottom surface of the cab 2, the central cylindrical hole of the upper bottom rubber shock absorbing seat 4, the circular hole of the vehicle body cab mounting seat 1, the central cylindrical hole of the lower bottom rubber shock absorbing seat 4, and the central circular hole of the bottom baffle 5, and is tightly connected with the several components through the locking nut 6. In the bottom rubber shock absorber structure, the cab 2, the vehicle body cab mounting seat 1, the upper and lower bottom rubber shock absorbing seats 4, and the bottom baffle 5 are rigidly connected as a whole through the fastening bolt 3 and the locking nut 6, which ensures the fastening force and structural strength of the overall installation of the cab. The relative force between the cab and the vehicle body structure is applied to the shock absorbing rubber pad 11 through the gasket 13 of the bottom rubber shock absorbing seat 4, which increases the acting area and prevents the shock absorbing rubber pad 11 from being damaged due to local stress.
[0018] As Figure 4 , Figure 5As shown, the side rubber shock absorber is composed of two symmetrical side rubber shock absorbing seats 9, which have the same structure as the bottom rubber shock absorbing seat 4, including an iron support sleeve 12 with a central cylindrical hole, a shock absorbing rubber pad 11, a gasket 13, and a shock absorbing rubber ring 14. The shock absorbing rubber pad 11, the gasket 13, and the shock absorbing rubber ring 14 are tightly attached and their inner circles are fixed on the support sleeve 12. The left side rubber shock absorbing seat 9 and the right side rubber shock absorbing seat 9 are oppositely installed in the side cylindrical hole of the cab 2. The gasket 13 of the left side rubber shock absorbing seat 9 contacts the side plate of the cab 2, the shock absorbing rubber pad 11 of the left side rubber shock absorbing seat 9 contacts the side baffle 8, the shock absorbing rubber pad 11 of the right side rubber shock absorbing seat 9 contacts the side plate of the cab 2, and the gasket 13 of the right side rubber shock absorbing seat 9 contacts the side plate of the cab body mounting seat 1. The bolt 7 passes through the central hole of the left side baffle 8, the side hole of the cab 2, the central cylindrical holes of the left and right side rubber shock absorbing seats 9, the central hole of the cab body mounting seat 1, and the central hole of the right side baffle 8, and is tightly connected with the several components through the nut 10. In the structure of the side rubber shock absorbing seat, the cab 2, the left and right side rubber shock absorbing seats 9, and the side baffle 8 are rigidly connected through the bolt 7, which ensures the fastening force and structural strength of the overall installation of the cab.
[0019] It should be understood that parts not described in detail in the specification are part of the prior art. The above examples only describe the preferred embodiments of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the technical solutions of the present application made by ordinary engineering technicians in the art shall fall within the protection scope determined by the claims of the present application.
Claims
1. An undercarriage of a trackless underground vehicle, comprising a cab, characterized in that, The cab is connected with the cab mounting seat of the vehicle body, the bottom of the cab is connected with several bottom rubber shock absorbers, the side of the cab is connected with several side rubber shock absorbers, the bottom rubber shock absorber is composed of two symmetrical bottom rubber shock absorbing seats, the side rubber shock absorber is composed of two symmetrical side rubber shock absorbing seats, the bottom rubber shock absorbing seat and the side rubber shock absorbing seat each include an iron support sleeve with a center cylindrical hole, a shock absorbing rubber pad, a gasket and a shock absorbing rubber ring, the shock absorbing rubber pad, the gasket and the shock absorbing rubber ring are closely attached and the inner circles of the three are fixed on the support sleeve; the shock absorbing rubber pad of the upper bottom rubber shock absorbing seat is in contact with the lower bottom surface of the cab, the gasket of the upper bottom rubber shock absorbing seat is in contact with the top surface of the cab mounting seat of the vehicle body, the shock absorbing rubber pad of the lower bottom rubber shock absorbing seat is in contact with the bottom baffle, and the gasket of the lower bottom rubber shock absorbing seat is in contact with the bottom surface of the cab mounting seat of the vehicle body; the cab, the upper and lower bottom rubber shock absorbing seats, the cab mounting seat of the vehicle body and the bottom baffle are connected through fastening bolts and locking nuts; the gasket of the left side rubber shock absorbing seat is in contact with the side plate of the cab, the shock absorbing rubber pad of the left side rubber shock absorbing seat is in contact with the side baffle, the shock absorbing rubber pad of the right side rubber shock absorbing seat is in contact with the side plate of the cab, and the gasket of the right side rubber shock absorbing seat is in contact with the side plate of the cab mounting seat of the vehicle body; the cab, the left and right side rubber shock absorbing seats, the cab mounting seat of the vehicle body and the side baffles are connected through bolts and nuts.
2. The cab suspension structure for an underground trackless vehicle according to claim 1, wherein The bottom rubber shock absorber is four, and the side rubber shock absorber is two.