Mine truck front lower protection device
The bolted connection design of the support plate and connecting bracket components solves the problems of inconvenient installation and time-consuming maintenance of mine vehicle protective brackets, achieving convenient installation and high maintainability, and adapting to different ground clearance requirements.
Patent Information
- Application Number
- CN202520030833.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-07
AI Technical Summary
The existing protective supports for mining trucks are welded as a single unit, with no height adjustment, making installation inconvenient and maintenance time-consuming and labor-intensive.
The support plate and connecting bracket components are connected by bolts. The length of the support plate is adjustable to adjust the ground clearance of the protective device, and the maintenance space is increased by flipping it. The connecting bracket components include an inverted "L" shaped structure and bolt mounting holes to achieve installation and height adjustment.
It achieves convenient installation and high maintainability of the protective device, adapts to different ground clearance requirements, reduces weight and has a simple structure.
Smart Images

Figure CN223590682U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mining car equipment technical field, specifically is a mining car front lower protection device. BACKGROUND
[0002] Mining car belongs to off-highway vehicle, is mainly used in mine, engineering, is more durable than general load car, and the load is also more. From the structure, mining car and ordinary dump truck seem to have no big difference, seem to only "big" a little. In fact, mining car has the essential difference from ordinary dump truck in design concept. Ordinary dump truck is used for satisfying highway transportation, and mining car is used for satisfying mine construction, so the whole vehicle and the parts used by mining car consider the mine operation environment, and are designed and manufactured for such users.
[0003] The existing mining car protection support is mostly welded integral structure, once the forming height is changed, the installation mode is relatively clumsy and inconvenient, and when other parts are repaired, the whole needs to be removed, which is time-consuming and laborious. CONTENT OF THE UTILITY MODEL
[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a mining car front lower protection device, which is simple in structure, convenient to install and convenient to maintain in later period.
[0005] The utility model solves the above problems through the following technical scheme:
[0006] A mining car front lower protection device, comprising: a support plate, a front lower protection body and a connecting support part, the front lower protection body is provided with the connecting support part at both ends of the front side through connecting bolts, the rear two ends are connected with one end of the support plate through connecting bolts, the other end of the support plate is provided with the connecting support part through connecting bolts, all the connecting support parts are connected with the frame longitudinal beam through bolts to install the protection device; the length of the support plate is adjusted to adjust the ground clearance of the front lower protection body, and the connecting bolts connecting the support plate and the front lower protection body are removed, so that the front lower protection body can be turned over to increase the maintenance space.
[0007] As a further improvement, the front lower protection body comprises: a shaft head with an internal threaded hole, a circular tube and a bent plate, wherein two circular tubes are welded at both ends of the bent plate, and four shaft heads are welded at both ends of the two circular tubes, so as to be connected with one end of the support plate and the connecting support part through the internal threaded hole of the shaft head and the connecting bolt.
[0008] As a further improvement, the front lower protection body further comprises: a bent circular tube, a plurality of bent circular tubes are welded between the two circular tubes and located on the lower side of the bent plate.
[0009] As a further improvement, the bent round pipe is welded to the bent plate.
[0010] As a further improvement, the bent round pipes are five in number and are uniformly distributed.
[0011] As a further improvement, a plurality of circular holes are formed in the bent plate to avoid the bent round pipes, so as to reduce the weight of the protective device.
[0012] As a further improvement, the connecting bracket component comprises a rear left connecting bracket, a front connecting bracket and a rear right connecting bracket in inverted "L" shape, and the two front connecting brackets are arranged in inverted "L" shape opposite to each other, and the rear left connecting bracket and the rear right connecting bracket are arranged in inverted "L" shape opposite to each other.
[0013] As a further improvement, the connecting bracket component has a protective connection part and a frame connection part, wherein the protective connection part is provided with not less than one first bolt mounting hole connected with one end of the supporting plate and the bent round pipe; and the frame connection part is provided with not less than two second bolt mounting holes connected with the longitudinal beam of the frame.
[0014] As a further improvement, the second bolt mounting hole is provided with two.
[0015] As a further improvement, the first bolt mounting hole of the front connecting bracket is provided with one, and the first bolt mounting hole of the rear left connecting bracket and the rear right connecting bracket is provided with two.
[0016] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0017] The utility model discloses a front lower protective body plays the role of protection to the radiator, waterway, battery and part circuit in the process of protecting the vehicle, and the protective device is convenient to install, and the structure arrangement is compact, and the maintainability is high, and the weight is light, and the structure is simple, and the installation is convenient, and the first bolt mounting hole mounting hole position of the supporting plate and the rear left connecting bracket and the rear right connecting bracket can be adjusted for different ground clearance.
[0018] The utility model discloses the length of the supporting plate can be adjusted to adjust the ground clearance of the front lower protective body, and by removing the connecting bolt of the supporting plate and the front lower protective body, the front lower protective body can be turned over to increase the maintenance space. ACCURACY OF DRAWINGS
[0019] Figure 1 It is a structural schematic view of the utility model discloses a mine car front lower protective device;
[0020] Figure 2 It is a side schematic view of the utility model discloses a mine car front lower protective device.
[0021] Figure 3 This is a top view of a front underrun protection device for a mining vehicle according to the present invention;
[0022] Figure 4 This is a schematic diagram of the structure of the front lower protective body of this utility model.
[0023] Figure label:
[0024] 1. Support plate; 2. Rear left connecting bracket; 3. Front connecting bracket; 4. Front lower protective body; 401. Shaft head; 402. Round tube; 403. Bending plate; 404. Bending round tube; 5. Rear right connecting bracket. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Example
[0027] Combined with appendix Figures 1-4 As shown, a front underrun protection device for a mining truck includes: a support plate 1, a front underrun protection body 4, and connecting bracket components. Connecting bracket components are respectively installed at both ends of the front side of the front underrun protection body 4 via connecting bolts, and at both ends of the rear side are respectively connected to one end of the support plate 1 via connecting bolts. Connecting bracket components are also installed at the other end of the support plate 1 via connecting bolts. All connecting bracket components are bolted to the longitudinal beams of the vehicle frame for installation of the protection device. The ground clearance of the front underrun protection body can be adjusted by adjusting the length of the support plate. By removing the connecting bolts connecting the support plate and the front underrun protection body, the front underrun protection body can be flipped over to increase maintenance space.
[0028] In a preferred embodiment, the front lower protective body 4 includes: a shaft head 401 with an internal thread hole, a round tube 402, and a bent plate 403. Two round tubes 402 are welded to both ends of the bent plate 403, and four shaft heads 401 are welded to the left and right ends of the two round tubes 402 respectively, so as to connect with one end of the support plate 1 and the connecting bracket component through the internal thread hole of the shaft head 401 and the connecting bolt.
[0029] Preferably, the front lower protection body 4 further comprises: a plurality of bent round pipes 404, which are welded between the two round pipes 402 and located at the lower side of the bent plate 403 and welded with the bent plate 403 to reinforce the front lower protection body. In the embodiment, the bent round pipes 404 are provided as five and uniformly distributed at the lower side of the bent plate 403.
[0030] Further, a plurality of circular holes are formed on the bent plate 403 to avoid the bent round pipes 404, which are used to reduce the weight of the protection device.
[0031] In a specific embodiment, the connecting bracket components include: a rear left connecting bracket 2, a front connecting bracket 3 and a rear right connecting bracket 5, which are all provided in an inverted "L" shape, and the two front connecting brackets 3 are provided in an inverted "L" shape and face each other, and the rear left connecting bracket 2 and the rear right connecting bracket 5 are provided in an inverted "L" shape and face each other.
[0032] The connecting bracket components are provided in an inverted "L" shape, which has a protection connecting part and a frame connecting part. The protection connecting part is provided with not less than one first bolt mounting hole to connect with one end of the support plate 1 and the bent round pipe 404 through the first bolt mounting hole cooperating with the connecting bolt, and the first bolt mounting hole can adjust the cooperation position with one end of the support plate 1 and the bent round pipe 404, so as to improve the adaptability and adjust the installation height of the protection device. The frame connecting part is provided with not less than two second bolt mounting holes to connect with the frame longitudinal beam through the second bolt mounting hole cooperating with the connecting bolt. Preferably, in the embodiment, the second bolt mounting hole is provided as two; the first bolt mounting hole of the front connecting bracket 3 is provided as one, and the first bolt mounting hole of the rear left connecting bracket 2 and the rear right connecting bracket 5 is provided as two.
[0033] During installation, the rear left connecting bracket 2, the front connecting bracket 3 and the rear right connecting bracket 5 are bolted with the frame longitudinal beam through the connecting bolt, and then the support plate 1 and the front lower protection body 4 are installed after the whole vehicle installation and debugging are completed. During maintenance, the front lower protection body 4 can be turned over by removing the connecting bolt between the support plate 1 and the front lower protection body 4, which increases the maintenance space and is convenient and fast. The ground clearance of the front lower protection body 4 can be adjusted by adjusting the length of the support plate 1. Compared with the traditional structure, the structure has the advantages of small weight, convenient installation and easy maintenance.
[0034] The protection device mainly protects the radiator, waterway, storage battery and part of the circuit during the vehicle running. The protection device has the advantages of convenient installation, compact structure, high maintainability, light weight, simple structure, convenient installation, and can be adjusted by adjusting the first bolt mounting hole of the support plate, the rear left connecting bracket and the rear right connecting bracket according to different ground clearances.
[0035] Although the present application is described herein with reference to the explanatory embodiments of the present application, the above-described embodiments are merely the preferred embodiments of the present application, and the embodiments of the present application are not limited to the above-described embodiments. It should be understood that those skilled in the art can design many other modifications and embodiments, and these modifications and embodiments will fall within the scope and spirit of the principles disclosed in the present application.
Claims
1. A front lower guard for a mining truck, characterized in that, The application relates to a front lower protection device for a vehicle, which comprises a support plate, a front lower protection body and connecting bracket parts, the front lower protection body is provided with the connecting bracket parts at both ends of the front side through connecting bolts, the support plate is connected with the front lower protection body at both ends of the rear side through connecting bolts, the other end of the support plate is provided with the connecting bracket parts through connecting bolts, all the connecting bracket parts are connected with the vehicle frame longitudinal beams through bolts to install the protection device, the length of the support plate is adjusted to adjust the ground clearance of the front lower protection body, the connecting bolts connecting the support plate with the front lower protection body are removed to overturn the front lower protection body to increase the maintenance space. The front lower protection body comprises shaft heads with internal screw holes, circular tubes and a bent plate, two circular tubes are arranged at both ends of the bent plate through welding, four shaft heads are arranged at both ends of the two circular tubes through welding to be connected with the support plate and the connecting bracket parts through the internal screw holes of the shaft heads and the connecting bolts.
2. The front lower protection device of a mine car according to claim 1, characterized in that, The front lower protection body further comprises bent circular tubes, and a plurality of bent circular tubes are arranged between the two circular tubes and at the lower side of the bent plate through welding.
3. The front lower protection device of a mine car according to claim 2, characterized in that, The bent circular tubes are welded with the bent plate.
4. The front lower protection device of a mine car according to claim 3, characterized in that, The bent circular tubes are arranged as five and are uniformly distributed.
5. The front lower protection device of a mine car according to claim 3, characterized in that, A plurality of circular holes are formed on the bent plate to avoid the bent circular tubes and reduce the weight of the protection device.
6. The front lower protection device of a mine car according to claim 3, characterized in that, The connecting bracket parts comprise rear left connecting brackets, front connecting brackets and rear right connecting brackets in inverted L shapes, the two front connecting brackets are arranged in the inverted L shape and face each other, and the rear left connecting bracket and the rear right connecting bracket are arranged in the inverted L shape and face each other.
7. The front lower protection device of a mining truck according to claim 1, characterized in that, The connecting bracket parts have protection connecting parts and vehicle frame connecting parts, the protection connecting parts are provided with not less than one first bolt mounting hole connected with the support plate and the bent circular tubes; 8. The front lower protection device of a mine car according to claim 7, characterized in that, The vehicle frame connecting parts are provided with not less than two second bolt mounting holes connected with the vehicle frame longitudinal beams. The second bolt mounting holes are arranged as two.
9. The front lower protection device of a mining truck according to claim 8, characterized in that, The first bolt mounting hole of the front connecting bracket is arranged as one, and the first bolt mounting holes of the rear left connecting bracket and the rear right connecting bracket are arranged as two.
10. The front lower protection device of a mining truck according to claim 8, characterized in that,