Supporting leg swinging assembly of drill jumbo
By designing the outrigger leg swing assembly of the rock drill trolley, the two-stage telescopic legs and oil cylinder structures are used to achieve two-stage telescopic legs and left and right swings of the outrigger leg, the problem of unstable rock drill trolley on uneven ground is solved, the stability and safety of the equipment are improved, and the assembly and maintenance are simplified.
Patent Information
- Application Number
- CN202422353263.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-26
AI Technical Summary
Rock drilling trolleys are prone to unstable operation when operating on uneven grounds, which increases the risk of overturning, affects the accuracy and safety of operations, and may lead to accidents or equipment damage.
A rock drilling trolley's leg swing assembly is designed, including a telescopic leg assembly and a front leg assembly. Through the combination of the cylinder pressure plate, the front leg oil cylinder, the front leg swing cylinder and the swing cylinder pin shaft, the two-stage telescopic and left and right swing of the legs are achieved, and a buffer device and a sealing structure are equipped to enhance stability.
Improve the stability of rock drilling trolleys on uneven grounds, reduce the risk of overturning, improve operational accuracy and safety, and simplify assembly and maintenance processes.
Smart Images
Figure CN223119867U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel equipment, in particular to a leg swing assembly of a rock drilling jumbo. Background Art
[0002] A rock drill is a heavy equipment used for drilling and breaking rocks, commonly used in mining, tunnel construction and underground engineering. It breaks rocks through high-frequency vibration or impact force, and drills holes through rotary or reciprocating motion. Rock drills are usually equipped with powerful electric or pneumatic motors, which can efficiently handle hard rocks and perform precise drilling and rock breaking operations as required.
[0003] However, uneven ground during rock drilling operations may cause the rock drilling jumbo or equipment to be unstable, increasing the risk of overturning. Equipment instability will affect the operation accuracy and safety, and may lead to operation accidents or damage. Summary of the Utility Model
[0004] To make up for the above deficiencies, the utility model provides a leg swing assembly of a rock drilling jumbo, aiming to improve the problem that uneven ground during rock drilling operations in the prior art may cause the rock drilling jumbo or equipment to be unstable, increasing the risk of overturning, and equipment instability will affect the operation accuracy and safety, and may lead to operation accidents or damage.
[0005] To achieve the above object, the utility model provides the following technical solution: A leg swing assembly of a rock drilling jumbo, including a telescopic leg assembly, a front leg assembly is arranged on the left side of the telescopic leg assembly, and the front leg assembly and the telescopic leg assembly are connected by a connecting component.
[0006] Further, the telescopic leg assembly includes an oil cylinder pressing plate and a front leg oil cylinder. Among them, the oil cylinder pressing plate is arranged at the bottom of the front leg oil cylinder.
[0007] Further, the front leg assembly includes a front leg swing oil cylinder and a swing oil cylinder pin shaft. Among them, the front leg swing oil cylinder is connected to the outside of the front leg assembly through the swing oil cylinder pin shaft, and the front leg swing oil cylinder can swing outside the front leg assembly.
[0008] Further, the swing oil cylinder pin shaft is a detachable structure, so as to maintain or replace the front leg swing oil cylinder when needed.
[0009] Further, the front leg assembly further includes a front leg control device for controlling the swing angle and action state of the front leg assembly relative to the telescopic leg assembly.
[0010] Further, the connection between the front leg oil cylinder and the oil cylinder pressing plate has a buffer device to reduce the impact force when the front leg oil cylinder works.
[0011] Furthermore, the connection part between the front outrigger swing oil cylinder and the swing oil cylinder pin shaft has a sealing structure to prevent dust and impurities from entering the interior.
[0012] Furthermore, the front outrigger swing oil cylinder can perform angle feedback during the swing process so as to adjust the swing position and angle of the front outrigger assembly in real time.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, the front outrigger assembly is assembled with the telescopic outrigger assembly, and the oil cylinder pressing plate is installed on the vehicle frame to form an outrigger swing device, and a two-stage telescopic structure is adopted in terms of structure. By adjusting the left and right swing positions through the front outrigger swing oil cylinder and adjusting the up and down positions through the front outrigger oil cylinder, the swing of the outrigger is realized, enabling the outrigger to better adjust its position. The process of the mechanism is simple and easy to implement, without the need for special tooling welding, and the equipment is convenient for assembly and maintenance.
[0015] 2. In the utility model, the telescopic outrigger assembly and the front outrigger assembly form a two-stage telescopic structural form, and are connected through the swing oil cylinder pin shaft and the front outrigger swing oil cylinder. During the construction process of the rock drilling jumbo at the construction site, by swinging the oil cylinder left and right, the left and right position adjustment of the outrigger is realized. The overall structure of the two-stage telescopic mechanism is simple, firm and reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a plan view of the outrigger swing assembly of a rock drilling jumbo proposed by the utility model;
[0017] Figure 2 is a top view of the outrigger swing assembly of a rock drilling jumbo proposed by the utility model.
[0018] Legend:
[0019] 1. Telescopic outrigger assembly; 2. Front outrigger assembly; 3. Oil cylinder pressing plate; 4. Front outrigger oil cylinder; 5. Front outrigger swing oil cylinder; 6. Swing oil cylinder pin shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The following will clearly and completely describe the technical solutions in the embodiments of the utility model with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the utility model without creative efforts shall fall within the protection scope of the utility model.
[0021] Refer to Figure 1 and Figure 2, An embodiment provided by the present utility model: A leg swing assembly of a rock drilling jumbo, including a telescopic leg assembly 1. A front leg assembly 2 is arranged on the left side of the telescopic leg assembly 1, and the front leg assembly 2 and the telescopic leg assembly 1 are connected by a connecting component. The telescopic leg assembly 1 includes an oil cylinder pressing plate 3 and a front leg oil cylinder 4. Among them, the oil cylinder pressing plate 3 is arranged at the bottom of the front leg oil cylinder 4.
[0022] The front leg assembly 2 is assembled with the telescopic leg assembly 1, and the oil cylinder pressing plate 3 is installed on the vehicle frame to form a leg swing device, which adopts a two-stage telescopic structure in terms of structure. The left and right swing positions are adjusted by the front leg swing oil cylinder 5, and the up and down positions are adjusted by the front leg oil cylinder 4 to realize the swing of the leg, enabling the leg to better adjust its position. Moreover, the overall device has a simple structure, simple assembly, and convenient later maintenance.
[0023] Refer to Figure 1 and Figure 2 , The front leg assembly 2 includes a front leg swing oil cylinder 5 and a swing oil cylinder pin shaft 6. Among them, the front leg swing oil cylinder 5 is connected to the outside of the front leg assembly 2 through the swing oil cylinder pin shaft 6, and the front leg swing oil cylinder 5 can swing outside the front leg assembly 2. The swing oil cylinder pin shaft 6 is a detachable structure, so as to maintain or replace the front leg swing oil cylinder 5 when needed. The front leg assembly 2 further includes a front leg control device for controlling the swing angle and action state of the front leg assembly 2 relative to the telescopic leg assembly 1.
[0024] The telescopic leg assembly 1 and the front leg assembly 2 form a two-stage telescopic structural form, and are connected through the swing oil cylinder pin shaft 6 and the front leg swing oil cylinder 5. During the construction of the rock drilling jumbo at the construction site, the left and right positions of the leg are adjusted by the left and right swing of the oil cylinder. The swing oil cylinder pin shaft 6 is a detachable structure, so as to maintain or replace the front leg swing oil cylinder 5 when needed. The front leg assembly 2 further includes a front leg control device for controlling the swing angle and action state of the front leg assembly 2 relative to the telescopic leg assembly 1.
[0025] Refer to Figure 1 and Figure 2 , There is a buffer device between the front leg oil cylinder 4 and the oil cylinder pressing plate 3 to reduce the impact force when the front leg oil cylinder 4 works. The connection part between the front leg swing oil cylinder 5 and the swing oil cylinder pin shaft 6 has a sealing structure to prevent dust and impurities from entering the interior. The front leg swing oil cylinder 5 can perform angle feedback during the swing process to adjust the swing position and angle of the front leg assembly 2 in real time.
[0026] The buffer device is used to reduce the impact force when the front leg oil cylinder 4 works, and the connection part between the front leg swing oil cylinder 5 and the swing oil cylinder pin shaft 6 is sealed to prevent dust and impurities from entering the interior.
[0027] Working principle: When using this device, the front outrigger assembly 2 is assembled with the telescopic outrigger assembly 1, and the oil cylinder pressing plate 3 is installed on the vehicle frame to form an outrigger swing device, which adopts a two-stage telescopic structure in terms of structure. The left and right swing positions are adjusted by the front outrigger swing oil cylinder 5, and the up and down positions are adjusted by the front outrigger oil cylinder 4 to achieve the swing of the outrigger, enabling the outrigger to better adjust its position. Moreover, the overall device has a simple structure, simple assembly, and convenient later maintenance. The telescopic outrigger assembly 1 and the front outrigger assembly 2 form a two-stage telescopic structural form and are connected through the swing oil cylinder pin shaft 6 and the front outrigger swing oil cylinder 5. During the construction process of the rock drilling jumbo at the construction site, the left and right positions of the outrigger are adjusted by the left and right swing of the oil cylinder.
[0028] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A leg swing assembly of a rock drilling jumbo, comprising a telescopic leg assembly (1), characterized in that: The front outrigger assembly (2) is arranged on the left side of the telescopic outrigger assembly (1), and the front outrigger assembly (2) is connected to the telescopic outrigger assembly (1) through a connecting component; The telescopic outrigger assembly (1) includes an oil cylinder pressing plate (3) and a front outrigger oil cylinder (4). Among them, the oil cylinder pressing plate (3) is arranged at the bottom of the front outrigger oil cylinder (4); The front outrigger assembly (2) includes a front outrigger swing oil cylinder (5), a swing oil cylinder pin shaft (6) and a front outrigger control device. Among them, the front outrigger swing oil cylinder (5) is connected to the outside of the front outrigger assembly (2) through the swing oil cylinder pin shaft (6), and the front outrigger swing oil cylinder (5) can swing outside the front outrigger assembly (2). The front outrigger control device is used to control the swing angle and action state of the front outrigger assembly (2) relative to the telescopic outrigger assembly (1).
2. The outrigger swing assembly of a rock drilling jumbo according to claim 1, characterized in that: The swing oil cylinder pin shaft (6) is a detachable structure so that the front outrigger swing oil cylinder (5) can be maintained or replaced when needed.
3. The outrigger swing assembly of a rock drilling jumbo according to claim 1, characterized in that: A buffer device is provided for the connection between the front outrigger oil cylinder (4) and the oil cylinder pressing plate (3) to reduce the impact force when the front outrigger oil cylinder (4) works.
4. The outrigger swing assembly of a rock drilling jumbo according to claim 1, characterized in that: A sealing structure is provided for the connection part between the front outrigger swing oil cylinder (5) and the swing oil cylinder pin shaft (6) to prevent dust and impurities from entering the interior.
5. The outrigger swing assembly of a rock drilling jumbo according to claim 1, characterized in that: The front outrigger swing oil cylinder (5) can perform angle feedback during the swing process so as to adjust the swing position and angle of the front outrigger assembly (2) in real time.