CN115009736A

CN115009736A - Suspension lower driving mechanism

Info

Publication number: CN115009736A
Application number: CN202210587018.0A
Authority: CN
Inventors: 乔冬强; 梁克勤; 邱长彪; 王锦绣; 李春宝; 韩斌
Original assignee: Beijing Zhongsheng Bofang Intelligent Technology Co ltd; Huaneng Zuoquan Coal Power Co ltd
Current assignee: Beijing Zhongsheng Bofang Intelligent Technology Co ltd; Huaneng Zuoquan Coal Power Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-06

Abstract

The invention discloses a suspension lower driving mechanism, and belongs to the technical field of rail guided vehicles. The driving wheel directly adopts an integrated servo motor, the outer surface of the driving wheel is provided with a fish scale-shaped rubber component to increase the friction, the width of the wheel is thickened, the integral running friction force under the same positive pressure is larger, a double-transmission shaft is adopted to support the integrated servo motor, a main shaft adopts a double-shaft support, two ends of the main shaft adopt mould springs for pressurization, the power is more sufficient, the reliability is higher, four group's locating wheels adopt the spring as the adjustment, both guarantee steadily, mainly prevent that the dolly from taking place big skew or preventing the derailment, spacing wheel and the outer terminal surface of guide rail contact each other about during normal operation, resistance when guaranteeing the dolly operation is minimum, slight guide rail deformation and dust are almost to this section hang RGV drive division nothing influence, set up four groups of hanging wheels and constitute suspension mechanism, it adopts the double-sliding mode that graphite slide bearing and ordinary bearing combined together to hang the wheel, both guarantee life-span and double insurance, the dolly card is died under the condition that is unlikely to the bearing damage.

Description

Suspension lower driving mechanism

Technical Field

The invention relates to the technical field of rail guided vehicles, in particular to a suspended lower driving mechanism.

Background

The RGV is an English abbreviation of a rail guided vehicle (RailGuidedVehicle) and is called a rail shuttle trolley, the RGV trolley can be used for warehouses with various high-density storage modes, the channel of the trolley can be designed to be arbitrarily long, the storage capacity of the whole warehouse can be improved, and a forklift is not required to drive into a roadway during operation, so that the safety of the rail shuttle trolley is higher.

In the prior art, various motor acceleration and deceleration mechanisms are adopted, a power mode of up-and-down pressurizing friction or left-and-right pressurizing friction is adopted, bearing wheels are adopted up, down, left and right, omnibearing limit is carried out, and stable walking of a trolley is ensured; there is a problem 1: under the condition that the theory or working condition is good, the common suspension RGV mechanism can meet general requirements, but in the coal mine industry, or under the conditions that dust is very large and the working condition is very poor, the suspension RGV is easy to break down, and under the working condition, the bearing is short in service life, the average service life is less than 6 months, and the maintenance and the replacement are frequent. The conventional suspended RGV mechanism has the advantages that the limit small wheels are arranged on the periphery of the guide rail, the mechanism is in contact with the guide rail, the mechanism does not have problems in walking under ideal conditions, and the suspended RGV is easy to block or is not uniform in walking due to the deformation of the guide rail and the adhesion of surface dust under the conditions of large dust in coal yards and the like and poor environment.

By adopting the double-power driving device, the faults caused by insufficient single power under the conditions of climbing, long-time operation and the like are effectively avoided; the motor shaft adopts a double-shaft double-pressurization mode, so that pressurization is more stable, and the fault caused by insufficient friction force is effectively avoided due to the widened dynamic wheel; the optimized structure greatly reduces the auxiliary wheelbase, effectively expands the turning capability of the suspended RGV, reduces the turning radius, has light load quality, and is better suitable for different project sites.

Disclosure of Invention

Technical problem to be solved

It is an object of the present invention to provide a suspended underdrive mechanism that solves the problems set forth in the background above.

Technical scheme

Hang down actuating mechanism, including mounting bracket and actuating mechanism, the centre gripping is provided with actuating mechanism between the mounting bracket, the mounting bracket includes the body frame body, equipment frame, accepts diaphragm, positioning mechanism, hangs the wheel and gets the electric mechanism, the equipment frame is installed to the lower terminal surface both sides of the body frame body, and is two sets of through accepting diaphragm swing joint between the body frame body, the side end face of the body frame body inserts and hangs the wheel, the up end of accepting the diaphragm is installed and is got the electric mechanism, it places between two sets of body frame bodies to get the electric mechanism, sets up four groups and hangs the wheel and constitute and hang the mechanism, hangs the double-sliding mode that the wheel adopted graphite slide bearing and ordinary bearing to combine together, both guarantees life-span and double insurance, is unlikely to the dolly card under the condition that the bearing damaged and dies.

Preferably, the main frame body comprises a frame plate, a through hole, a penetrating cavity, a hole, a bottom open groove and a bottom open groove, the through hole is formed in the middle of the side end face of the frame plate, the penetrating cavity is formed in two sides of the through hole, the hole is formed in the top end of the edge of the side end face of the frame plate, and the bottom open groove is formed in the middle of the bottom end face of the frame plate.

Preferably, the supporting transverse plate comprises a plate body, a through groove and clamping grooves, the clamping grooves are formed in two sides of the upper end face of the plate body, and the clamping grooves are formed in the edges of four corners of the plate body.

Preferably, the positioning mechanism comprises positioning blocks, through holes, series vertical rods and positioning wheels, the through holes are formed in two sides of the side end face of each positioning block, the series vertical rods are arranged in the middle of each positioning block in a penetrating mode, the positioning wheels are arranged between the two groups of positioning blocks in a penetrating mode, the series vertical rods are arranged in the middle of each positioning wheel in a penetrating mode, the upper ends and the lower ends of the series vertical rods are connected to an inner cavity of a penetrating cavity in a clamping mode, the four groups of positioning wheels are adjusted through springs, stability is guaranteed, the trolley is mainly prevented from large deviation or derailment, during normal operation, the left limiting wheel, the right limiting wheel and the outer end face of the guide rail are in contact with each other, resistance during operation of the trolley is guaranteed to be minimum, slight guide rail deformation and dust almost have no influence on the RGV driving portion.

Preferably, get electric mechanism including the equipment piece, get electric sheet board and equipment frame piece, the up end of equipment piece is installed and is got the electric sheet board, and is two sets of get the lower terminal surface of electric sheet board and be provided with the equipment frame piece, the lower terminal surface of equipment piece and the up end laminating of plate body, make and accept the diaphragm and get electric mechanism and become a whole, get the interior needs of shop of the setting assurance itself of electric mechanism, actuating mechanism includes transmission shaft and integrative servo motor, the both ends of integrative servo motor all alternate and are provided with the transmission shaft.

Preferably, a notch is formed in the joint of the frame plate and the assembling frame, and the transmission shaft penetrates through an inner cavity with a groove formed in the bottom.

Preferably, a fixed shaft penetrates through the middle of the hanging wheel and is inserted into the inner cavity with the hole, so that the main frame body is movably connected with the hanging wheel.

Preferably, integrative servo motor's surface is the component of fish scale column structure, integrative servo motor's surface is the component that a synthetic rubber material was made, the whole optimized structure of this design, combine this trade and operating mode, mainly adopt the aluminum alloy as the host material, adopt split type, be convenient for processing and installation, the drive wheel directly adopts integrative servo motor, the surface sets up to hanging fish scale column rubber component, increase its frictional property, the wheel width thickening, under same normal pressure, whole running friction is bigger, adopt the integrative servo motor of double drive shaft support, the main shaft adopts the biax to support, the mould spring pressurization is adopted at both ends, power is more sufficient, the reliability is higher.

Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. special materials and mechanisms are adopted, and maintenance-free sliding friction is combined with bearing rotation, so that equipment faults caused by bearing damage are reduced.

2. By adopting the double-power driving device, the faults caused by insufficient power of a single motor under the conditions of climbing, long-time operation and the like are effectively avoided.

3. The motor shaft adopts a double-shaft double-pressurization mode, so that pressurization is more stable, the widened dynamic wheel effectively avoids the fault caused by insufficient friction force.

The optimized structure greatly reduces the auxiliary wheelbase, effectively expands the turning capability of the suspended RGV, reduces the turning radius, has light load quality, and is better suitable for different project sites.

Drawings

FIG. 1 is a schematic view of the overall structure of a suspended lower driving mechanism according to the present invention;

FIG. 2 is a schematic view of the main frame structure of the underhung drive mechanism of the present invention;

FIG. 3 is a schematic structural view of a power-taking mechanism of the lower suspension driving mechanism of the present invention;

FIG. 4 is a schematic view of the construction of the suspension lower driving mechanism supporting transverse plate of the present invention;

FIG. 5 is a schematic view of a positioning mechanism of the suspension lower driving mechanism according to the present invention;

fig. 6 is an enlarged view of the lower suspension driving mechanism a of the present invention.

The reference numbers in the figures illustrate: 1. a mounting frame; 11. a main frame body; 111. a frame plate; 112. a through hole; 113. a penetration cavity; 114. forming a hole; 115. bottom grooving; 116. the bottom is provided with a groove; 12. an assembly frame; 13. carrying the transverse plate; 131. a plate body; 132. a through groove; 133. a clamping groove; 14. a positioning mechanism; 141. positioning blocks; 142. a through hole; 143. connecting the vertical rods in series; 144. positioning wheels; 15. a suspension wheel; 16. a power taking mechanism; 161. assembling the blocks; 162. taking a film plate; 163. assembling the frame block; 2. a drive mechanism; 21. a drive shaft; 22. an integral servo motor.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the present invention provides a technical solution:

example 1

Suspension lower driving mechanism, including mounting bracket 1 and actuating mechanism 2, the centre gripping is provided with actuating mechanism 2 between the mounting bracket 1, mounting bracket 1 includes the body frame body 11, equipment frame 12, accept diaphragm 13, positioning mechanism 14, hang wheel 15 and get electric mechanism 16, equipment frame 12 is installed to the lower terminal surface both sides of the body frame body 11, through accepting diaphragm 13 swing joint between two sets of body frame bodies 11, the side end face of body frame body 11 inserts hanging wheel 15, accept the up end of diaphragm 13 and install and get electric mechanism 16, it places between two sets of body frame bodies 11 to get electric mechanism 16, it hangs the mechanism to set up four groups of hanging wheel 15 constitution, it adopts the double-sliding mode that graphite slide bearing and ordinary bearing combine together to hang wheel 15, both guarantee life-span and double insurance, the dolly card is died under the condition of being unlikely to bearing damage.

Example 2

The main frame body 11 comprises a frame plate 111, through holes 112, penetrating cavities 113, open holes 114, bottom open grooves 115 and bottom open grooves 116, the through holes 112 are formed in the middle of the side end face of the frame plate 111, the penetrating cavities 113 are formed in two sides of the through holes 112, the open holes 114 are formed in the top of the edge of the side end face of the frame plate 111, the bottom open grooves 116 are formed in two sides of the bottom open groove 115 in the middle of the bottom end face of the frame plate 111, the carrying transverse plate 13 comprises a plate body 131, a penetrating groove 132 and a clamping groove 133, the clamping grooves 133 are formed in two sides of the upper end face of the plate body 131, the clamping grooves 133 are formed in the four corner edges of the plate body 131, the positioning mechanism 14 comprises positioning blocks 141, through holes 142, series-connection vertical rods 143 and positioning wheels 144, the through holes 142 are formed in two sides of the side end face of the positioning blocks 141, the series-connection vertical rods 143 are formed in the middle of the positioning blocks 141, the positioning wheels 144 are installed between the two sets of the positioning blocks 141, the series vertical rods 143, the upper end and the lower end of the series vertical rod 143 are clamped in an inner cavity of the penetration cavity 113, the four groups of positioning wheels 144 are adjusted by springs, stability is guaranteed, large deviation or derailment of the trolley is mainly prevented, during normal operation, the left limiting wheel 144, the right limiting wheel 144 and the outer end face of the guide rail are in contact with each other, resistance during operation of the trolley is guaranteed to be minimum, and slight guide rail deformation and dust almost have no influence on the suspended RGV driving part.

Example 3

The electricity taking mechanism 16 comprises an assembling block 161, electricity taking sheet plates 162 and assembling frame blocks 163, the electricity taking sheet plates 162 are installed on the upper end faces of the assembling block 161, the assembling frame blocks 163 are arranged on the lower end faces of the two groups of electricity taking sheet plates 162, the lower end faces of the assembling block 161 are attached to the upper end faces of the plate bodies 131, the receiving transverse plate 13 and the electricity taking mechanism 16 are integrated, the electricity taking mechanism 16 is arranged to meet the requirements of a shop, the driving mechanism 2 comprises a transmission shaft 21 and an integrated servo motor 22, the two ends of the integrated servo motor 22 are both provided with the transmission shaft 21 in an inserting mode, a notch is formed in the attaching position of the frame plate 111 and the assembling frame 12, the transmission shaft 21 penetrates through an inner cavity with a bottom groove 116, a fixing shaft penetrates through the middle of the hanging wheel 15 and is inserted into the inner cavity with a hole 114, the main frame body 11 is movably connected with the hanging wheel 15, and the outer surface of the integrated servo motor 22 is a fish scale-shaped structure, the surface of integrative servo motor 22 is the component that a synthetic rubber material was made, the whole optimized structure of this design, combine this trade and operating mode, mainly adopt the aluminum alloy as main part material, adopt split type, be convenient for processing and installation, the drive wheel directly adopts integrative servo motor 22, the surface sets up to hanging fish scale form rubber component, increase its frictional property, the thickening of wheel width, under same normal pressure, whole operation frictional force is bigger, adopt the 21 integrative servo motor 22 of dual drive axle support, the main shaft adopts the biax to support, both ends adopt mould spring pressurization, power is more sufficient, the reliability is higher.

In summary, the following steps: the design integrally optimizes the structure, combine this trade and operating mode, mainly use the aluminum alloy as the main material, adopt the split type, it is easy to process and install, the drive wheel directly adopts the integrative servomotor 22, the outer surface sets up to hang the fish scale rubber component, increase its friction, the wheel width is thickened, under the same positive pressure, the whole running friction is bigger, use the double drive shaft 21 to support the integrative servomotor 22, the main shaft adopts the biaxial support, both ends adopt the mould spring to pressurize, the power is more sufficient, the reliability is higher, four groups of locating wheels 144 adopt the spring as the adjustment, both guarantee steadily, mainly prevent the dolly from producing the large excursion or preventing derailing, when normal operation, the outer end face of left and right spacing wheel 144 and guide rail contacts each other, guarantee the resistance when the dolly operates is minimum, slight guide rail deformation and dust almost have no influence to this section hangs RGV drive part, four groups of suspension wheels 15 are arranged to form a suspension mechanism, and the suspension wheels 15 adopt a double-sliding mode of combining a graphite sliding bearing and a common bearing, so that the service life is ensured, double insurance is realized, and the trolley is not blocked under the condition that the bearing is damaged.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Hang down actuating mechanism, including mounting bracket (1) and actuating mechanism (2), the centre gripping is provided with actuating mechanism (2), its characterized in that between mounting bracket (1): mounting bracket (1) includes the body frame body (11), equipment frame (12), accepts diaphragm (13), positioning mechanism (14), hangs wheel (15) and gets electric mechanism (16), equipment frame (12) are installed to the lower terminal surface both sides of the body frame body (11), and are two sets of through accepting diaphragm (13) swing joint between the body frame body (11), the side end face of the body frame body (11) inserts and hangs wheel (15), the up end of accepting diaphragm (13) is installed and is got electric mechanism (16), it places between two sets of body frame bodies (11) to get electric mechanism (16).

2. The underslung drive mechanism of claim 1, wherein: the main frame body (11) comprises a frame plate (111), a through hole (112), a penetrating cavity (113), a forming hole (114), a bottom forming groove (115) and a bottom forming groove (116), wherein the through hole (112) is formed in the middle of the side end face of the frame plate (111), the penetrating cavity (113) is formed in the two sides of the through hole (112), the forming hole (114) is formed in the top end of the edge of the side end face of the frame plate (111), and the forming groove (116) with the bottom is formed in the two sides of the bottom end face of the frame plate (111) in which the bottom forming groove (115) is formed.

3. The underslung drive mechanism of claim 1, wherein: accept diaphragm (13) including plate body (131), run through groove (132) and joint groove (133), joint groove (133) have been seted up to the up end both sides of plate body (131), the four corners edge of plate body (131) all is provided with joint groove (133).

4. The underslung drive mechanism according to claim 1, wherein: positioning mechanism (14) are including locating piece (141), through-hole (142), series connection montant (143) and positioning wheel (144), through-hole (142) have been seted up to the side end face both sides of locating piece (141), the centre of locating piece (141) is run through and has been seted up series connection montant (143), and is two sets of positioning wheel (144) are installed between locating piece (141), series connection montant (143) have been run through to the centre of positioning wheel (144), the upper and lower both ends joint of series connection montant (143) is in the inner chamber that pierces through chamber (113).

5. The underslung drive mechanism according to claim 1, wherein: the electricity taking mechanism (16) comprises an assembling block (161), an electricity taking plate (162) and an assembling frame block (163), wherein the electricity taking plate (162) is installed on the upper end face of the assembling block (161), and the assembling frame block (163) is arranged on the lower end face of the electricity taking plate (162).

6. The underslung drive mechanism of claim 3, wherein: the lower end face of the assembling block (161) is attached to the upper end face of the plate body (131), so that the bearing transverse plate (13) and the power taking mechanism (16) are integrated.

7. The underslung drive mechanism of claim 1, wherein: the driving mechanism (2) comprises a transmission shaft (21) and an integrated servo motor (22), and the transmission shaft (21) is arranged at two ends of the integrated servo motor (22) in a penetrating mode.

8. The underslung drive mechanism of claim 2, wherein: a notch is formed in the joint of the frame plate (111) and the assembling frame (12), and the transmission shaft (21) penetrates through an inner cavity of which the bottom is provided with a groove (116).

9. The underslung drive mechanism according to claim 1, wherein: a fixed shaft penetrates through the middle of the hanging wheel (15) and is inserted into an inner cavity provided with a hole (114), so that the main frame body (11) is movably connected with the hanging wheel (15).

10. The underslung drive mechanism of claim 7, wherein: the outer surface of the integrated servo motor (22) is a component with a fish scale-shaped structure, and the outer surface of the integrated servo motor (22) is a component made of synthetic rubber.