Motor mounting device for improving transmission shaft assembly environment, chassis and mine car
By designing a motor mounting device, including a motor support plate, suspension bracket, and shock-absorbing components, the vibration and space constraints issues when installing a gear pump drive motor in a wide-body diesel extended-range mining vehicle were resolved, thus improving stability and safety.
Patent Information
- Application Number
- CN202520108277.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The installation of gear pump drive motors on existing wide-body diesel range-extended mining vehicles is difficult due to frame vibration and limited space, making mechanical hoisting impossible and increasing the labor intensity and safety risks for workers.
A motor mounting device was designed, including a motor support plate, an upper motor suspension support, and shock-absorbing components. Through bolt connections and shock-absorbing pads, the vibration impact of the gear pump drive motor is reduced. Lifting holes are reserved on the motor support plate, and the assembly process is reasonably arranged to facilitate lifting.
It effectively reduces the impact of gear pump drive motor vibration on the chassis, improves chassis stability and service life, reduces installation time and worker labor intensity, and lowers safety risks.
Smart Images

Figure CN223590524U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a motor mounting device for improving transmission shaft assembly environment belongs to the mining dump truck technical field. BACKGROUND
[0002] The existing mining wide-body diesel range extender vehicle XKT150H I type vehicle double motor + reducer structure can additionally connect a single extension shaft for driving the gear pump of the hydraulic system in addition to connecting the transmission shaft, the II type vehicle four motor + reducer structure can only connect a single transmission shaft without other additional extension shaft, therefore, a single motor needs to be additionally increased for driving the gear pump of the hydraulic system, the newly added gear pump driving motor of the II type vehicle can cause vibration to the vehicle frame, and the transmission shaft of the reducer and the middle bridge for connecting the four motors can be shielded at the bottom, at present, the daily transmission shaft cannot be installed by the mechanical hoisting mode, and can only be installed by artificial lifting.
[0003] The above problems and defects are mainly due to the fact that the wide-body dump truck adopting the range extension technology needs to install more components than the conventional power dump truck, and the space is more compact, and due to the vehicle technology update and the change of structure, the space available for installation and maintenance is greatly reduced. SUMMARY
[0004] According to the deficiencies of the prior art, the utility model provides a motor mounting device for improving transmission shaft assembly environment, which aims to reduce the vibration of the newly added gear pump driving motor to the vehicle frame, and the second purpose is to solve the problem that the transmission shaft is shielded by the gear pump driving motor and cannot be installed by the mechanical hoisting, so as to further reduce the labor intensity of workers, save the installation time, improve the production efficiency, reduce the risk of accidents such as knocking and bruising caused by artificial installation, and enhance the service life of the vehicle frame.
[0005] The utility model realizes the following technical scheme:
[0006] In the first aspect, the utility model provides a motor mounting device for improving transmission shaft assembly environment, which comprises:
[0007] The motor support plate comprises a bent plate composed of a vertical plate and a horizontal plate, the vertical plate is fixed on the vehicle frame cross beam above the transmission shaft through detachable fasteners I, and the middle region of the horizontal plate is provided with a hoisting hole for the lifting tool to pass through;
[0008] The upper motor suspension support comprises a V-shaped plate and a bottom plate, the bottom plate is fixed on the horizontal plate through detachable fasteners II, and the V-shaped plate is assembled with the gear pump driving motor;
[0009] The damping component is arranged between the horizontal plate and the bottom plate, and is used for reducing the vibration of the gear pump driving motor to the vehicle frame.
[0010] In some embodiments, the motor support plate further comprises a pair of straight triangular reinforcement plates opposite to each other, which are welded between the vertical plate and the horizontal plate.
[0011] In some embodiments, the vertical side of the straight triangular reinforcement plate is welded at the inner side edge of the vertical plate, and the height of the vertical side of the straight triangular reinforcement plate is consistent with the height of the inner side of the vertical plate; the horizontal bottom of the straight triangular reinforcement plate is welded at the top edge of the horizontal plate, and the length of the horizontal bottom of the straight triangular reinforcement plate is consistent with the length of the top of the horizontal plate.
[0012] In some embodiments, a plurality of through holes are arranged on the vertical plate, and the detachable fastener I is a plurality of bolts corresponding to the through holes, which are screwed into the bolt holes on the cross beam after penetrating the through holes.
[0013] In some embodiments, a plurality of coaxially arranged through holes are arranged on the horizontal plate and the bottom plate, and the detachable fastener II is a plurality of bolts and nuts corresponding to the through holes, which are fastened by rotating the nuts after penetrating the through holes.
[0014] In some embodiments, the damping components are a plurality of damping pads with central holes, which are arranged coaxially with the through holes on the top surface and the bottom surface of the bottom plate, and the bolts are sequentially fastened by rotating the nuts after penetrating the damping pads, the bottom plate, the damping pads and the horizontal plate from top to bottom.
[0015] In some embodiments, the upper motor suspension support further comprises a plurality of reinforcement plates welded between the V-shaped plate and the bottom plate.
[0016] In some embodiments, a plurality of through holes are arranged on the V-shaped plate, and a plurality of internal threaded seats corresponding to the through holes are fixed on the gear pump driving motor, and the gear pump driving motor is fixed on the V-shaped plate by cooperating the bolts with the through holes and the internal threaded seats.
[0017] In the second aspect, the utility model provides a bottom disc, comprising:
[0018] The frame is composed of two longitudinal beams arranged side by side at a predetermined interval in the same plane and a plurality of cross beams fixedly connected with the two longitudinal beams.
[0019] The motor mounting device for improving the assembly environment of the transmission shaft is assembled on the frame.
[0020] In the third aspect, the utility model provides a mine car, which comprises the motor mounting device for improving the assembly environment of the transmission shaft or the bottom disc.
[0021] The utility model has the advantages that:
[0022] 1、Because the range extending vehicle needs to install more components than the conventional power self-unloading vehicle, the space is more compact, resulting in a greatly reduced space for installation and maintenance. The utility model discloses a plurality of through holes matched with bolts are designed, which can conveniently detach the upper shielding object (motor, etc.); the lifting hole through which the lifting appliance can pass is increased, so that the lifting path problem is solved; in combination with the reasonable arrangement of the assembly process, the previous transmission shaft hoisting difficulty, manual installation safety hazard, low efficiency and other problems are solved by utilizing the assembly time difference.
[0023] 2、The plurality of through holes are designed, so that the upper-mounted motor suspension support and the motor support plate can be connected by bolts and nuts, and a damping pad can be added in the middle. This structure can effectively reduce the vibration generated by the gear pump drive motor installed on the upper-mounted motor suspension support on the motor support plate and the vehicle frame during work, thereby enhancing the stability of the vehicle frame and prolonging the service life of the vehicle frame. BRIEF DESCRIPTION OF DRAWINGS
[0024] The accompanying drawings, which are part of the present utility model, serve to provide a further understanding of the present utility model, and the illustrative embodiments of the present utility model and the description thereof serve to explain the present utility model, but do not constitute an improper limitation on the present utility model. Obviously, the drawings described below are only some embodiments, and other drawings can be obtained from these drawings by those of ordinary skill in the art without creative labor.
[0025] In the drawings:
[0026] Figure 1 It is a schematic view of the motor support plate structure of the present utility model;
[0027] Figure 2 It is a whole schematic view of the motor mounting device for improving the transmission shaft assembly environment of the present utility model;
[0028] Figure 3 It is a step-by-step assembly schematic view of the motor mounting device for improving the transmission shaft assembly environment of the present utility model; Figure 1
[0029] Figure 4 It is a step-by-step assembly schematic view of the motor mounting device for improving the transmission shaft assembly environment of the present utility model; Figure 2
[0030] Figure 5 It is a step-by-step assembly schematic view of the motor mounting device for improving the transmission shaft assembly environment of the present utility model; Figure 3
[0031] The figure mark: 1-motor support plate, 2-damping component, 3-upper motor suspension support, 4-gear pump drive motor, 5-frame, 6-transmission shaft, 101-bent plate, 102-straight triangular reinforcing rib plate.
[0032] It should be noted that the drawings and the written description are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application by referring to specific embodiments. DETAILED DESCRIPTION
[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments will be described clearly and completely below with reference to the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.
[0034] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0035] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0036] As shown in Figure 1 , Figure 2 A motor mounting device for improving the transmission shaft assembly environment, comprising a motor support plate 1, an upper motor suspension support 3 and a damping component 2; the motor support plate 1 comprises a bent plate 101 composed of a vertical plate and a horizontal plate, the vertical plate is fixed on the frame cross beam above the transmission shaft 6 through detachable fasteners I, and the middle region of the horizontal plate is provided with a lifting hole for the lifting appliance to pass through; the upper motor suspension support 3 comprises a V-shaped plate and a bottom flat plate, the bottom flat plate is fixed on the horizontal plate through detachable fasteners II, and the V-shaped plate is assembled with a gear pump drive motor 4; the damping component 2 is arranged between the horizontal plate and the bottom flat plate, and is used for reducing the vibration of the gear pump drive motor 4 on the frame 5.
[0037] It needs to be explained that, on the one hand, in order to solve the vibration generated by the newly added gear pump driving motor 4 to the vehicle frame 5, combined with the installation characteristics of the newly added motor, an upper motor suspension support 3 is added, and a motor support plate 1 is designed on the vehicle frame 5; by increasing the damping component 2 between the upper motor suspension support 3 and the motor support plate 1, the vibration generated by the gear pump driving motor 4 installed on the upper motor suspension support 3 to the motor support plate 1 and the vehicle frame 5 during work can be effectively reduced, and the stability of the vehicle frame 5 is enhanced, and the service life of the vehicle frame 5 is prolonged. On the other hand, in order to solve the difficulty of compact space structure and inconvenient installation of the transmission shaft 6, a lifting hole is reserved in the structure design of the motor support plate 1, and the lifting rope or lifting steel wire can be conveniently passed through the lifting hole, which plays a key role in lifting the transmission shaft; by reasonably arranging the assembly process, the lifting difficulty can be solved by using the assembly time difference.
[0038] Further schemes, as shown in Figure 1 , the motor support plate 1 further comprises a pair of straight triangular reinforcing ribs 102 plates opposite to each other, which are welded between the vertical plate and the horizontal plate.
[0039] Further schemes, as shown in Figure 1 , the vertical side of the straight triangular reinforcing rib plate 102 is welded at the inner side edge of the vertical plate, and the height of the vertical side of the straight triangular reinforcing rib plate 102 is consistent with the height of the inner side of the vertical plate; the horizontal bottom of the straight triangular reinforcing rib plate 102 is welded at the top edge of the horizontal plate, and the length of the horizontal bottom of the straight triangular reinforcing rib plate 102 is consistent with the length of the top of the horizontal plate.
[0040] It needs to be explained that the above is only a preferred embodiment of the reinforcing rib plate, and in actual design, it is not limited to the structure described above. Any structure of the reinforcing rib plate that can improve the strength of the bent plate falls within the protection scope of the present utility model.
[0041] Further schemes, as shown in Figure 1 , Figure 2 , a plurality of through holes are arranged on the vertical plate, the detachable fastener I is a plurality of bolts corresponding one-to-one with the through holes, and the bolts are screwed into the bolt holes on the vehicle frame beam after being inserted into the through holes.
[0042] Further schemes, as shown in Figure 1 , Figure 2 , a plurality of coaxially arranged through holes are arranged on the horizontal plate and the bottom plate, and the detachable fastener II is a plurality of bolts and nuts corresponding one-to-one with the through holes. The bolts are screwed into the nuts for fastening after being inserted into the through holes.
[0043] It should be noted that the motor support plate 1 and the upper motor suspension support 3 are detachably connected, facilitating the disassembly and assembly of the upper motor suspension support 3, and the gear pump driving motor 4 on the support can also be disassembled and assembled together. When the normal installation procedure is performed, the transmission shaft 6 can be hoisted first, at which time the space above the motor support plate 1 is not occupied; after the transmission shaft 6 is installed, the gear pump driving motor 4 and the upper motor suspension support 3 are installed, and the reverse procedure is performed when disassembled.
[0044] The preferred scheme is shown in Figure 2 The damping component 2 is a plurality of damping pads with a central hole, which is coaxially arranged on the top surface and the bottom surface of the bottom plate, and the bolts are sequentially inserted into the damping pads, the bottom plate, the damping pads and the horizontal plate from top to bottom, and then fastened by rotating the nuts.
[0045] It should be noted that the above is only a preferred embodiment of the damping component, and in actual design, it is not limited to the structure described above. Any damping component that can reduce the vibration between the motor support plate and the upper motor suspension support falls within the protection scope of the present utility model.
[0046] The further scheme is shown in Figure 2 The upper motor suspension support 3 further comprises a plurality of rib plates welded between the V-shaped plate and the bottom plate.
[0047] The further scheme is shown in Figure 2 A plurality of through holes are provided on the V-shaped plate, and a plurality of internal threaded seats corresponding to the through holes are fixed on the gear pump driving motor 4, and the gear pump driving motor 4 is fixed on the V-shaped plate through the cooperation of the plurality of bolts, the through holes and the internal threaded seats.
[0048] The above-mentioned various components can achieve vibration damping and solve the hoisting problem through the following installation sequence:
[0049] I. In order to reduce the influence of motor vibration on the frame, the motor support plate 1 is first pre-installed on the frame 5 by bolts or rivets (see Figure 3 ); secondly, the gear pump driving motor 4 is pre-installed on the V-shaped plate of the upper motor suspension support 3 by bolts; then the upper motor suspension support 3 is installed on the motor support plate 1 by bolts, and the damping component 2 is installed on the upper and lower surfaces of the upper motor suspension support 3 during the installation process (see Figure 4 ); by using this structure, the influence of motor vibration on the frame can be effectively reduced, the stability of the frame is improved, and the service life of the frame is prolonged.
[0050] II. In order to solve the hoisting problem of the transmission shaft 6, the motor support plate 1 can be pre-installed on the frame 5 by bolts or rivets (see Figure 3) After the transmission shaft 6 is hoisted, the gear pump driving motor 4 and the upper motor suspension support 3 are assembled, and then the assembly is installed on the motor support plate 1, and the damping components 2 are installed on the upper and lower surfaces of the upper motor suspension support 3 during the installation of the motor support plate 1 (see Figure 4 By reasonably arranging the assembly process, the difficulty of hoisting is solved by using the assembly time difference.
[0051] In summary, the motor mounting device for improving the transmission shaft assembly environment is provided, and the following functions and effects are realized:
[0052] In order to solve the vibration of the newly added gear pump motor on the frame, an upper motor suspension support is added according to the installation characteristics of the newly added motor, and a motor support plate is designed on the frame; by increasing the damping pad between the upper motor suspension support and the motor support plate of the application, the vibration of the gear pump driving motor installed on the suspension support on the motor support plate and the frame during work can be effectively reduced, and the stability of the frame is enhanced, and the service life of the frame is prolonged.
[0053] In order to solve the difficulty of compact space structure and inconvenient transmission shaft installation, a hoisting hole is reserved in the structure design of the motor support plate, and the hoisting rope or hoisting steel wire can conveniently pass through the hoisting hole, which plays a key role in hoisting the transmission shaft; by reasonably arranging the assembly process, the hoisting difficulty can be solved by using the assembly time difference.
[0054] The chassis provided by the application will be described below, and the chassis described below can be correspondingly referred to the motor mounting device for improving the transmission shaft assembly environment described above.
[0055] The chassis provided by the application comprises a frame and the motor mounting device for improving the transmission shaft assembly environment described above, the frame is composed of two longitudinal beams arranged side by side at a predetermined interval in the same plane and a plurality of cross beams fixedly connected with the two longitudinal beams; and the motor mounting device is assembled on the frame.
[0056] The beneficial effects achieved by the chassis provided by the application are consistent with the beneficial effects achieved by the motor mounting device for improving the transmission shaft assembly environment provided by the application, and therefore will not be described here.
[0057] The mine car provided by the application will be described below, and the mine car described below can be correspondingly referred to the chassis described above.
[0058] The mine car provided by the application can comprise the chassis described in any one of the above embodiments.
[0059] The beneficial effects achieved by the mine car provided by the utility model are consistent with the beneficial effects achieved by the chassis provided by the utility model, and thus will not be repeated here.
[0060] In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the specification.
[0061] In addition, those skilled in the art can understand that although some embodiments described herein include certain features contained in other embodiments but not other features, the combination of features of different embodiments also means to be within the protection scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use in a combined manner according to the known technical solutions and the technical problems to be solved by the present application.
[0062] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has been disclosed as above with the preferred embodiment, however, it is not used to limit the utility model, any skilled person in the art without departing from the technical scheme of the utility model, can make some changes or modifications for the equivalent embodiments with the above prompted technical content, but as long as it does not depart from the technical scheme of the utility model, according to the technical essence of the utility model, any simple modification, equivalent change and modification of the above embodiments, still belongs to the scope of the utility model scheme.
Claims
1. A motor mounting device for improving the assembly environment of a drive shaft, characterized in that, include: The motor support plate includes a bent plate consisting of a vertical plate and a horizontal plate. The vertical plate is fixed to the frame crossbeam located above the drive shaft by a detachable fastener I. The horizontal plate has a lifting hole in the middle area for a lifting device to pass through. The upper motor suspension support includes a V-shaped plate and a bottom plate. The bottom plate is fixed to the horizontal plate by a detachable fastener II. A gear pump drive motor is mounted on the V-shaped plate. The shock-absorbing components are arranged between the horizontal plate and the bottom plate to reduce the vibration of the gear pump drive motor on the frame.
2. The motor mounting device for improving the assembly environment of the drive shaft according to claim 1, characterized in that: The motor support plate also includes a pair of opposing right triangular reinforcing ribs, which are welded between the vertical plate and the horizontal plate.
3. A motor mounting device for improving the assembly environment of a drive shaft according to claim 2, characterized in that: The vertical side of the right triangular reinforcing rib is welded to the inner edge of the vertical plate, and the height of the vertical side of the right triangular reinforcing rib is the same as the height of the inner edge of the vertical plate. The horizontal bottom surface of the right triangular reinforcing rib is welded to the top edge of the horizontal plate, and the length of the horizontal bottom surface of the right triangular reinforcing rib is the same as the length of the top surface of the horizontal plate.
4. The motor mounting device for improving the assembly environment of the drive shaft according to claim 1, characterized in that: The vertical plate is provided with multiple through holes, and the detachable fastener I consists of multiple bolts that correspond one-to-one with the through holes. After the bolts are inserted into the through holes, they are tightened into the bolt holes on the crossbeam of the frame.
5. A motor mounting device for improving the assembly environment of a drive shaft according to claim 1, characterized in that: The horizontal plate and the bottom plate are provided with multiple coaxially arranged through holes. The detachable fastener II consists of multiple bolts and nuts that correspond one-to-one with the through holes. The bolts are inserted into the through holes and then tightened by screwing in the nuts.
6. A motor mounting device for improving the assembly environment of a drive shaft according to claim 5, characterized in that: The shock-absorbing component consists of multiple shock-absorbing pads with central holes, which are arranged coaxially with the through holes on the top and bottom surfaces of the bottom plate. The bolts are inserted into the shock-absorbing pads, the bottom plate, the shock-absorbing pads and the horizontal plate from top to bottom, and then tightened by screwing in nuts.
7. A motor mounting device for improving the assembly environment of a drive shaft according to claim 1, characterized in that: The upper motor suspension support also includes multiple stiffening plates welded between the V-shaped plate and the bottom plate.
8. A motor mounting device for improving the assembly environment of a drive shaft according to claim 1, characterized in that: The V-shaped plate has multiple through holes, and the gear pump drive motor is fixed with multiple internal thread seats that correspond one-to-one with the through holes. The gear pump drive motor is fixed to the V-shaped plate by multiple bolts cooperating with the through holes and internal thread seats.
9. A chassis, characterized in that, include: The frame consists of two longitudinal beams arranged side by side at predetermined intervals in the same plane and a plurality of cross beams fixedly connected to the two longitudinal beams. The motor mounting device for improving the assembly environment of the drive shaft according to any one of claims 1 to 8, wherein the motor mounting device is mounted on the vehicle frame.
10. A mining car, characterized in that: It includes the motor mounting device for improving the assembly environment of the drive shaft as described in any one of claims 1 to 8; or, it includes the chassis as described in claim 9.