Collision energy absorption structure for cab assembly of mining electric dumper

Abstract

The utility model discloses a mining electric dumper cab assembly collision energy absorption structure, which relates to the cab field, and comprises a cab assembly main body, a top plate mechanism and an energy absorption mechanism, the outer end of the cab assembly main body is provided with the top plate mechanism, the top plate mechanism comprises a sleeve top frame, a clamping groove and a baffle plate, the outer end of the cab assembly main body is provided with a top sleeving frame, one end of the top sleeving frame is provided with a clamping groove, one end of the clamping groove is provided with a baffle, the upper end of the top sleeving frame is provided with an energy absorption mechanism, and the upper end of the energy absorption mechanism is provided with an upper bearing plate. According to the cab assembly, the cab assembly body and the energy absorption mechanism are arranged, the energy absorption box is arranged at the top end of the sleeving top frame, the middle end of the energy absorption box is arranged in a honeycomb mode, impact force is well borne and absorbed, the built-in ejector rod is arranged at the inner end of the energy absorption box, part of impact force generated by falling rocks at the top end can be rebounded back, and the energy absorption efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the field of cabs, in particular to a collision energy absorption structure of a cab assembly of an electric dump truck for mining. Background Art

[0002] Mining dump trucks are specialized equipment used for transporting ore or earth in open-pit mining. They have the characteristics of large load capacity and high working efficiency. With the development of large mines and the increase in mining and transportation volume, mining dump trucks are off-road dump trucks. Their use environment is complex and harsh, and the stability of the whole vehicle is poor, resulting in many uncertain risk factors, which puts higher requirements on the NVH performance of the main engine. The cab is a key component of the main engine. During the product design process, it is necessary to pay attention to the protection of the assembly and personnel in the event of a collision. Therefore, a collision energy absorption structure of the cab assembly of a mining electric dump truck is required.

[0003] The existing collision energy absorption structure of the cab assembly of the electric dump truck for mining cannot effectively improve the efficiency of the energy absorption of the device during operation, and cannot effectively improve the use intensity of the device, and cannot improve the protection of the use of the device. Therefore, there is an urgent need for a collision energy absorption structure of the cab assembly of the electric dump truck for mining. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a collision energy absorption structure for the cab assembly of an electric dump truck for mining, so as to solve the problem that the existing collision energy absorption structure of the cab assembly of an electric dump truck for mining cannot effectively improve the energy absorption efficiency of the device when in use, and cannot effectively improve the use strength of the device, and cannot improve the protectiveness of the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a collision energy absorption structure of a cab assembly of an electric dump truck for mining, comprising a cab assembly body, a top plate mechanism and an energy absorption mechanism, a top plate mechanism being installed at the outer end of the cab assembly body, the top plate mechanism comprising a cover frame, a slot and a baffle, a cover frame being installed at the outer end of the cab assembly body, a slot being provided at one end of the cover frame, and a baffle being installed at one end of the slot.

[0006] An energy absorbing mechanism is installed on the upper end of the sleeve top frame, and an upper bearing plate is installed on the upper end of the energy absorbing mechanism.

[0007] A limiting block is installed at one end of the cover frame, a stabilizing rod is installed at one end of the limiting block, a front bumper is installed at one end of the cover frame, and a front bearing plate is installed at one end of the energy absorbing mechanism.

[0008] Preferably, the cover frame is snap-connected with the cab assembly body, and the baffle is snap-connected with the cover frame via a snap slot.

[0009] Preferably, the energy absorbing mechanism comprises an energy absorbing box, a mounting rod and a built-in ejector rod. The energy absorbing box is mounted on the upper end of the sleeve top frame, the mounting rod is mounted on one end of the energy absorbing box, and the built-in ejector rod is mounted on the inner end of the energy absorbing box.

[0010] Preferably, the built-in ejector rod is connected to the energy absorbing box by soldering, and the energy absorbing box is threadedly connected to the ejector frame by means of a mounting rod.

[0011] Preferably, the stabilizer bar is threadedly connected to the top frame, and the stabilizer bar is symmetrically arranged with respect to the central axis of the cab assembly body.

[0012] Preferably, the front bumper is threadedly connected to the top frame, and the width of the front bumper is greater than the width of the cab assembly body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model has a cab assembly body and an energy absorption mechanism, and an energy absorption box is arranged at the top of the top frame. The middle end of the energy absorption box is a honeycomb arrangement, which can well absorb the force of impact, and a built-in ejector rod is arranged at the inner end of the energy absorption box, which can rebound part of the collision force of the top rock, thereby improving the efficiency of energy absorption of the device;

[0015] 2. The utility model is provided with a cab assembly body, a stabilizer bar, a front bumper and a front bearing plate. A front bumper is installed at the front end of the cab assembly body. The rigid front bumper is a single layer of protection. An energy absorption box is installed at the front end of the front bumper. A front bearing plate is arranged at the front end of the energy absorption box. The triple protection is achieved without affecting the heat dissipation of the air intake grille at the lower part of the cab assembly body, thereby improving the anti-collision performance of the device. A stabilizer bar is arranged in the limit block at the side end of the top frame, and the combination forms a triangular stable potential energy, thereby improving the use strength of the device.

[0016] 3. The utility model installs the cover frame on the cab assembly body from the upper end downward through the cab assembly body and the top plate mechanism, and fixes it with screws. The inner end of the cover frame fits the upper end surface of the cab assembly body, and a baffle is inserted in the slot opened at the front end of the cover frame. The lower half of the baffle is inclined at an angle of 45 degrees, which can provide sunshade and rain protection while preventing falling rocks from above from hitting the front windshield of the cab assembly body, thereby improving the protectiveness of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front cross-sectional view of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the utility model from the rear;

[0019] Figure 3It is a structural schematic diagram of the top plate mechanism of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the energy absorption structure of the utility model.

[0021] In the figure: 1. cab assembly body; 2. top plate mechanism; 201. top frame; 202. slot; 203. baffle; 3. energy absorption mechanism; 301. energy absorption box; 302. mounting rod; 303. built-in top rod; 4. upper bearing plate; 5. limit block; 6. stabilizer bar; 7. front bumper; 8. front bearing plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0023] The following describes an embodiment of the utility model based on its overall structure.

[0024] See also Figure 1-4 A collision energy absorption structure of a cab assembly of an electric dump truck for mining includes a cab assembly body 1, a top plate mechanism 2 and an energy absorption mechanism 3. The top plate mechanism 2 is installed at the outer end of the cab assembly body 1. The top plate mechanism 2 includes a cover frame 201, a slot 202 and a baffle 203. The cover frame 201 is installed at the outer end of the cab assembly body 1. The cover frame 201 is provided with a slot 202 at one end. The baffle 203 is installed at one end of the slot 202. The cover frame 201 is connected with the cab assembly body 1 by snapping, and the baffle 203 is provided at the outer end of the cab assembly body 1. The cover frame 201 is mounted on the cab assembly body 1 from the upper end downwards through the card slot 202, and is fixed with screws. The inner end of the cover frame 201 is in contact with the upper end surface of the cab assembly body 1, and a baffle 203 is inserted into the card slot 202 opened at the front end of the cover frame 201. The lower half of the baffle 203 is inclined at a 45-degree angle, which can provide sunshade and rain protection while preventing falling rocks from above from hitting the front windshield of the cab assembly body 1, thereby improving the protectiveness of the device.

[0025] See also Figure 1-4, a collision energy absorption structure of a cab assembly of an electric dump truck for mining, an energy absorption mechanism 3 is installed on the upper end of a top frame 201, an upper bearing plate 4 is installed on the upper end of the energy absorption mechanism 3, the energy absorption mechanism 3 includes an energy absorption box 301, a mounting rod 302 and a built-in ejector rod 303, an energy absorption box 301 is installed on the upper end of the top frame 201, a mounting rod 302 is installed at one end of the energy absorption box 301, a built-in ejector rod 303 is installed at the inner end of the energy absorption box 301, the built-in ejector rod 303 is soldered to the energy absorption box 301, and the energy absorption box 301 is threadedly connected to the top frame 201 through the mounting rod 302, an energy absorption box 301 is arranged at the top of the top frame 201, the middle end of the energy absorption box 301 is honeycomb-shaped, which is very good at absorbing the force of impact, and a built-in ejector rod 303 is arranged at the inner end of the energy absorption box 301, which can rebound part of the collision force of the top rock, thereby improving the efficiency of the energy absorption device.

[0026] See also Figure 1-4 A collision energy absorption structure of a cab assembly of an electric dump truck for mining, a limit block 5 is installed at one end of a top frame 201, a stabilizer bar 6 is installed at one end of the limit block 5, a front bumper 7 is installed at one end of the top frame 201, a front bearing plate 8 is installed at one end of an energy absorption mechanism 3, the stabilizer bar 6 is threadedly connected to the top frame 201, and the stabilizer bar 6 is symmetrically arranged with the central axis of the cab assembly body 1, the front bumper 7 is threadedly connected to the top frame 201, and the width of the front bumper 7 is greater than the width of the cab assembly body 1, when driving A front bumper 7 is installed at the front end of the cab assembly body 1. The rigid front bumper 7 is a single layer of protection. An energy absorption box 301 is installed at its front end. A front bearing plate 8 is arranged at the front end of the energy absorption box 301, which has triple protection. Without affecting the heat dissipation of the air intake grille in the lower part of the cab assembly body 1, the triple protection effect is achieved, thereby improving the anti-collision performance of the device. A stabilizer bar 6 is arranged in the side end limit block 5 of the top frame 201, which combines to form a triangular stable potential energy to improve the use strength of the device.

[0027] Working principle: When in use, the cover frame 201 is preferably installed on the cab assembly body 1 from the upper end downward and fixed with screws. The inner end of the cover frame 201 fits the upper end surface of the cab assembly body 1, and a baffle 203 is inserted in the card slot 202 opened at the front end of the cover frame 201. The lower half of the baffle 203 is tilted at an angle of 45 degrees, which can provide sun protection and rain protection while preventing falling rocks from above from hitting the front windshield of the cab assembly body 1, thereby enhancing the protectiveness of the device. An energy absorption box 301 is provided at the top of the cover frame 201. The middle end of the energy absorption box 301 is a honeycomb setting, which is very good at absorbing the impact force. A built-in ejector rod 303 is provided at the inner end of the energy absorption box 301, which can absorb the top falling rocks. A part of the force of the collision with the stone rebounds back, thereby improving the efficiency of the energy absorption of the device, and a front bumper 7 is installed at the front end position of the cab assembly body 1. The rigid front bumper 7 is a single layer of protection, and an energy absorption box 301 is installed at the front end thereof. A front bearing plate 8 is arranged at the front end of the energy absorption box 301, which has triple protection. Without affecting the heat dissipation of the air intake grille of the lower half of the cab assembly body 1, the triple protection effect is achieved, thereby improving the anti-collision performance of the device, and a stabilizer bar 6 is arranged in the side end limit block 5 of the cover top frame 201, which combines to form a triangular stable potential energy, thereby improving the use strength of the device, thereby completing the use process of the device. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A collision energy absorption structure of a cab assembly of an electric dump truck for mining, comprising a cab assembly body (1), a top plate mechanism (2) and an energy absorption mechanism (3), characterized in that: A top plate mechanism (2) is installed at the outer end of the cab assembly body (1), and the top plate mechanism (2) comprises a cover top frame (201), a clamping slot (202) and a baffle (203); a top plate (201) is installed at the outer end of the cab assembly body (1), a clamping slot (202) is provided at one end of the cover top frame (201), and a baffle (203) is installed at one end of the clamping slot (202); An energy absorbing mechanism (3) is installed at the upper end of the cover frame (201), and an upper bearing plate (4) is installed at the upper end of the energy absorbing mechanism (3); A limit block (5) is installed at one end of the cover frame (201), a stabilizing rod (6) is installed at one end of the limit block (5), a front bumper (7) is installed at one end of the cover frame (201), and a front bearing plate (8) is installed at one end of the energy absorption mechanism (3).

2. The collision energy absorption structure of the cab assembly of a mining electric dump truck according to claim 1 is characterized in that: The cover frame (201) is connected by snapping with the cab assembly body (1), and the baffle (203) is connected by snapping with the cover frame (201) via the snap slot (202).

3. The collision energy absorption structure of the cab assembly of an electric dump truck for mining use according to claim 1 is characterized in that: The energy absorbing mechanism (3) comprises an energy absorbing box (301), a mounting rod (302) and a built-in push rod (303); the energy absorbing box (301) is mounted on the upper end of the sleeve top frame (201); the mounting rod (302) is mounted on one end of the energy absorbing box (301); and the built-in push rod (303) is mounted on the inner end of the energy absorbing box (301).

4. The collision energy absorption structure of the cab assembly of an electric dump truck for mining use according to claim 3 is characterized in that: The built-in ejector rod (303) is connected to the energy absorption box (301) by soldering, and the energy absorption box (301) is threadedly connected to the ejector frame (201) via the mounting rod (302).

5. The collision energy absorption structure of the cab assembly of an electric dump truck for mining use according to claim 1 is characterized in that: The stabilizer bar (6) is threadedly connected to the top frame (201), and the stabilizer bar (6) is symmetrically arranged with respect to the central axis of the cab assembly body (1).

6. The collision energy absorption structure of the cab assembly of an electric dump truck for mining use according to claim 1 is characterized in that: The front bumper (7) is threadedly connected to the top frame (201), and the width of the front bumper (7) is greater than the width of the cab assembly body (1).

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