Large-load-bearing rail running sports car
By setting stepped mounting holes in the drive and driven shafts of the track-running trolley and fixing the shafts, combined with fixing bars and auxiliary wheels, the problem of swaying and breakage of the trolley when carrying heavy loads is solved, achieving higher stability and service life.
Patent Information
- Application Number
- CN202520083895.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing track-running trolleys are prone to swaying and breaking when carrying heavy loads, resulting in unstable operation.
The design incorporates stepped mounting holes in the drive shaft and driven shaft, which are used to fix the drive shaft and driven shaft respectively. The pressure of the wheels is transmitted through the bottom of the housing, reducing the impact force on the shafts. Meanwhile, fixing strips and auxiliary wheels are installed inside the sports car housing to improve stability and lifespan.
It improves the load-bearing capacity and operational stability of the sports car, reduces axle breakage, extends service life, and ensures the dimensional accuracy between the auxiliary wheel and the I-beam.
Smart Images
Figure CN223590714U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to hoist technical field, especially point to a big load bearing track operation trolley. BACKGROUND
[0002] Track operation trolley is a mechanical device that walks with I-beam track, and can realize the horizontal movement of goods. Generally, track operation trolley adopts simple flat plate to install driving wheel and driven wheel, and the installation mode makes the precision of cooperation between driving wheel, driven wheel and I-beam not high enough, which leads to the phenomenon that track operation trolley is easy to shake and break when carrying heavy load. SUMMARY
[0003] In view of the deficiencies in the prior art, the utility model aims at providing a big load bearing track operation trolley. The utility model solves the technical problem of how to make track operation trolley have large load bearing capacity and stable operation.
[0004] The utility model discloses a big load bearing track operation trolley, including trolley shell, the trolley shell is connected with driving wheel, driven wheel and auxiliary wheel in, and the trolley shell includes integrative shell and driving axle and / or driven axle, the driving axle is provided with ladder installation hole no. 1 in, driven axle is provided with ladder installation hole no. 2 in, ladder installation hole no. 1 is provided with driving fixed axle, ladder installation hole no. 2 is provided with driven fixed axle, the one end of driving fixed axle protruding ladder installation hole no. 1 can rotatable fixed connection driving wheel, the one end of driven fixed axle protruding ladder installation hole no. 2 can rotatable fixed connection driven wheel.
[0005] One of the trolley shells is formed with driving axle and driven axle, and the other trolley shell is formed with two driven axles. By setting ladder installation hole no. 1 and ladder installation hole no. 2 in driving axle and driven axle respectively, the overall weight of trolley shell is reduced. At the same time, driving fixed axle and driven fixed axle made of different materials from trolley shell are arranged in ladder installation hole no. 1 and ladder installation hole no. 2 respectively to fix driving wheel and driven wheel. Driving fixed axle and driven fixed axle pass through driving axle and driven axle from the bottom of shell body, and the pressure received by driving wheel and driven wheel is evenly transmitted to shell body of trolley shell by driving fixed axle and driven fixed axle. The impact force received by driving axle and driven axle is reduced, the phenomenon of driving axle and driven axle breaking is reduced, and the carrying capacity and operation stability of trolley shell are improved.
[0006] Further, the control shell is fixedly connected outside the sports car shell, a control motor is arranged in the control shell, a limiting column is protruded from the control shell towards the stepped mounting hole one, the driving fixed shaft is outwardly protruded from one end of the control shell and is provided with a limiting ring, the limiting ring is clamped in one end of the stepped mounting hole one, the limiting column is abutted against the outer end of the limiting ring, the control motor comprises a motor shaft, the motor shaft is fixedly connected with the driving wheel after penetrating through the limiting column and the driving fixed shaft. The stability of the driving fixed shaft is improved, the carrying capacity and the stability of the sports car shell are improved.
[0007] Further, the driving wheel is provided with an annular mounting groove with an opening facing the driving fixed shaft, one end of the driving fixed shaft is embedded in the annular mounting groove, a driving bearing is further arranged in the annular mounting groove, the driving bearing is radially abutted between the driving fixed shaft and the side wall of the annular mounting groove, the driving bearing is axially abutted between the driving shaft and the bottom wall of the annular mounting groove, the driving wheel is further provided with a positioning hole located in the middle of the annular mounting groove, and the motor shaft is fixed with the positioning hole through a fixing key. The force of the driving bearing can directly act on the driving fixed shaft, is transmitted to the shell by the driving fixed shaft, the driving shaft is protected, and the service life of the sports car shell is improved.
[0008] Further, one end of the driving fixed shaft is outwardly protruded with a fixed block, the fixed block is clamped with the step part of the stepped mounting hole two, one end of the driving fixed shaft away from the fixed block penetrates through the stepped mounting hole two and is connected with the driven wheel through a driven bearing, one end of the driving fixed shaft away from the fixed block is provided with a limiting ring, the driven bearing is axially abutted between the driven shaft and the limiting ring, and the driven bearing is radially abutted between the driven wheel and the driving fixed shaft. The force of the driven bearing can directly act on the driving fixed shaft, is transmitted to the shell by the driving fixed shaft, the driving shaft is protected, and the service life of the sports car shell is improved.
[0009] Further, the fixed block is in a long strip shape, the position of the stepped mounting hole two relative to the fixed block is a long strip hole, and the long strip hole is located on the shell. The fixed block is fixedly matched with the long strip hole, the force of the driven bearing rotating can be better transmitted to the shell by the driving fixed shaft, the driving shaft is protected, and the service life of the sports car shell is improved.
[0010] Further, a plurality of fixed strips outwardly protruded from the inner side of the shell are further formed in the sports car shell. The outer sides of the driving shaft and the driven shaft are both provided with the fixed strips, the fixed strips are balanced and symmetrically arranged in the shell, the strength of the driving shaft, the driven shaft and the shell can be strengthened, and the service life of the sports car shell is improved.
[0011] Further, the fixed strip and the shell enclose a fixed groove, and an auxiliary wheel is rotatably and fixedly connected in the fixed groove.
[0012] Further, the fixing strip is fixedly connected with a fixing support through a fastener, the fixing support is fixedly connected with a supporting shaft, the auxiliary wheel is arranged on the supporting shaft, the supporting shaft is provided with a fixed clasp and a fixed washer, and a pair of auxiliary bearings are arranged between the auxiliary wheel and the supporting shaft, wherein the lower end of one auxiliary bearing is in abutment with the fixed clasp and the upper end of the auxiliary wheel, and the upper end of the other auxiliary bearing is in abutment with the fixed washer and the lower end of the auxiliary wheel. The auxiliary wheel, the fixing support and the auxiliary bearings can be integrally installed and then mounted into the fixing groove, so that the installation is facilitated, the size precision between the auxiliary wheel and the I-shaped steel is guaranteed, and the running stability of the racing car is improved.
[0013] Further, the control shell is protruded towards the racing car shell and is provided with a plurality of fixed cylinders which are uniformly distributed around the limiting column and abut against the outer side of the shell body. The control shell is further provided with a frequency conversion module, the frequency conversion module can realize better intelligentization of the racing car, the control shell and the racing car shell are fixedly connected with a spacing through the fixed cylinders, the heat of the frequency conversion module can be prevented from being transferred to the racing car shell, and the heat superposition of the racing car shell is reduced.
[0014] Further, the control shell is provided with a plurality of heat radiating fins on one side of the fixed cylinder and the side away from the fixed cylinder, and the heat radiating fins are beneficial to heat dissipation.
[0015] Compared with the prior art, the technical effects of the racing car shell are as follows: 1. The overall weight of the racing car shell is reduced by arranging the stepped installation hole one and the stepped installation hole two in the driving shaft and the driven shaft, and the driving fixed shaft and the driven fixed shaft made of different materials from the racing car shell are arranged in the stepped installation hole one and the stepped installation hole two to fix the driving wheel and the driven wheel, the pressure borne by the driving wheel and the driven wheel is evenly transmitted to the shell body of the racing car shell through the driving fixed shaft and the driven fixed shaft, the impact force borne by the driving shaft and the driven shaft is reduced, the phenomenon of breakage of the driving shaft and the driven shaft is reduced, the carrying capacity of the racing car shell is improved, and the running stability is improved. 2. The auxiliary wheel can be integrally installed and fixed to the racing car shell through the fixing support, the size precision between the auxiliary wheel and the I-shaped steel is guaranteed, and the running stability of the racing car is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is the front view of the utility model.
[0017] Figure 2 is the sectional view of the utility model.
[0018] Figure 3 is the enlarged view of A of the utility model.
[0019] Figure 4Is the utility model three-dimensional view.
[0020] Figure 5 Is the utility model auxiliary wheel section view.
[0021] Figure 6 Is the utility model explosion view.
[0022] Figure number mark: 1, driving wheel;101, annular installation groove;102, positioning hole;2, driven wheel;3, auxiliary wheel;4, shell;5, driving shaft;501, step mounting hole one;6, driven shaft;601, step mounting hole two;7, driving fixed shaft;701, limit round ring;8, driven fixed shaft;801, fixed block;9, control housing;901, limit column;902, fixed cylinder;903, fin;10, control motor;1001, motor shaft;11, driving bearing;12, driven bearing;13, limit ring;14, fixed strip;15, fixed groove;16, fixed support;17, support shaft;18, fixed snap ring;19, fixed washer;20, vice bearing. DETAILED DESCRIPTION
[0023] The following is the specific embodiment of the utility model and combining the drawings, the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.
[0024] It should be noted that the utility model is described in the direction of "upper", "lower", "left", "right", "top", "bottom" such as all is based on the position or the relationship of the orientation shown in the drawing definition, only for the convenience of the description of the utility model and simplifies the description, and is not indicated or implied that the device must be constructed and operated in a particular orientation, therefore can not be understood as the limitation of the utility model.
[0025] According to Figures 1 to 6As shown, a large load-bearing track running trolley includes a trolley shell, a driving wheel 1, a driven wheel 2 and an auxiliary wheel 3 are connected in the trolley shell, the trolley shell includes an integrally formed shell 4 and a driving shaft 5 and / or a driven shaft 6, the trolley shell is a pair and is symmetrically arranged relative to the I-beam, one of the trolley shells is formed with the driving shaft 5 and the driven shaft 6, and the other trolley shell is formed with two driven shafts 6. The driving shaft 5 is provided with a stepped mounting hole one 501, the driven shaft 6 is provided with a stepped mounting hole two 601, the stepped mounting hole one 501 is provided with a driving fixed shaft 7, the stepped mounting hole two 601 is provided with a driven fixed shaft 8, the driving fixed shaft 7 protrudes from one end of the stepped mounting hole one 501 and is rotatably fixedly connected with the driving wheel 1, and the driven fixed shaft 8 protrudes from one end of the stepped mounting hole two 601 and is rotatably fixedly connected with the driven wheel 2. The stepped mounting hole one 501 and the stepped mounting hole two 601 are arranged in the driving shaft 5 and the driven shaft 6 respectively to reduce the overall weight of the trolley shell, and the driving fixed shaft 7 and the driven fixed shaft 8 made of different materials from the trolley shell are arranged in the stepped mounting hole one 501 and the stepped mounting hole two 601 respectively to fix the driving wheel 1 and the driven wheel 2, the driving fixed shaft 7 and the driven fixed shaft 8 pass through the driving shaft 5 and the driven shaft 6 from the bottom of the shell 4, the pressure received by the driving wheel 1 and the driven wheel 2 is evenly transmitted to the shell 4 of the trolley shell through the driving fixed shaft 7 and the driven fixed shaft 8, the impact force received by the driving shaft 5 and the driven shaft 6 is reduced, the phenomenon of breaking of the driving shaft 5 and the driven shaft 6 is reduced, and the carrying capacity and the running stability of the trolley shell are improved. A plurality of fixed strips 14 protruding outward from the inner side of the shell 4 are formed in the trolley shell. The outer sides of the driving shaft 5 and the driven shaft 6 are provided with the fixed strips 14, the fixed strips 14 are arranged symmetrically and evenly in the shell 4, the strength of the driving shaft 5, the driven shaft 6 and the shell 4 can be enhanced, and the service life of the trolley shell is improved. A connecting portion is further formed at the lower part of the trolley shell, a connecting shaft is connected to the connecting portions of the two trolley shells, a connecting hole is arranged in the connecting portion, a plurality of support blocks protrude inward from the inner wall of the connecting hole, and the side surface of the connecting shaft abuts against the support blocks. A limiting groove opening radially along the connecting hole is arranged on the connecting portion, a limiting block is arranged in the limiting groove, and a clamping groove is arranged on the connecting shaft and clamped and fixed with the limiting block.
[0026] A control shell 9 is fixedly connected to the outer side of the trolley shell, a control motor 10 is arranged in the control shell 9, a limiting column 901 protrudes from the control shell 9 towards the stepped mounting hole one 501, a driving fixed shaft 7 protrudes outward from one end of the driving fixed shaft 7 close to the control shell 9, the limiting column 901 abuts against the outer end of the limiting circular ring 701, and the control motor 10 includes a motor shaft 1001, the motor shaft 1001 is fixedly connected with the driving wheel 1 after passing through the limiting column 901 and the driving fixed shaft 7. The stability of the driving fixed shaft 7 is improved, and the carrying capacity and the running stability of the trolley shell are improved.
[0027] The driving wheel 1 is provided with an annular mounting groove 101 which is open to the driving fixed shaft 7, one end of the driving fixed shaft 7 is embedded in the annular mounting groove 101, and the annular mounting groove 101 is further provided with a driving bearing 11, the driving bearing 11 is radially abutted between the driving fixed shaft 7 and the side wall of the annular mounting groove 101, and the driving bearing 11 is axially abutted between the driving shaft 5 and the bottom wall of the annular mounting groove 101, and the driving wheel 1 is further provided with a positioning hole 102 located in the middle of the annular mounting groove 101, and the motor shaft 1001 is fixed with the positioning hole 102 through a fixing key. The force of the driving bearing 11 can directly act on the driving fixed shaft 7, and is transmitted to the shell 4 by the driving fixed shaft 7, thereby protecting the driving shaft 5 and improving the service life of the sports car shell.
[0028] The fixed block 801 protrudes outward from one end of the driven fixed shaft 8, the fixed block 801 is engaged with the step portion of the stepped mounting hole two 601, the end of the driven fixed shaft 8 away from the fixed block 801 passes through the stepped mounting hole two 601 and is connected with the driven wheel 2 through the driven bearing 12, the end of the driven fixed shaft 8 away from the fixed block 801 is provided with a limiting ring 13, the driven bearing 12 is axially abutted between the driven shaft 6 and the limiting ring 13, and the driven bearing 12 is radially abutted between the driven wheel 2 and the driven fixed shaft 8. The force of the driven bearing 12 can directly act on the driven fixed shaft 8, and is transmitted to the shell 4 by the driven fixed shaft 8, thereby protecting the driven shaft 6 and improving the service life of the sports car shell. The fixed block 801 is in a long strip shape, the position of the stepped mounting hole two 601 relative to the fixed block 801 is a long strip hole, and the long strip hole is located on the shell 4. The fixed block 801 is fixedly matched with the long strip hole, so that the force of the rotation of the driven bearing 12 can be better transmitted to the shell 4 by the driven fixed shaft 8, thereby protecting the driven shaft 6 and improving the service life of the sports car shell.
[0029] The fixed strip 14 and the shell 4 form a fixed groove 15, and the auxiliary wheel 3 is rotatably and fixedly connected in the fixed groove 15. The fixed strip 14 is fixedly connected with a fixed support 16 through a fastener, the fixed support 16 is fixedly connected with a supporting shaft 17, the auxiliary wheel 3 is sleeved on the supporting shaft 17, the supporting shaft 17 is provided with a fixed clamping ring 18 and a fixed washer 19, and a pair of auxiliary bearings 20 are arranged between the auxiliary wheel 3 and the supporting shaft 17. The lower end of one of the auxiliary bearings 20 is abutted against the fixed clamping ring 18, and the upper end is abutted against the auxiliary wheel 3. The lower end of the other auxiliary bearing 20 is abutted against the fixed washer 19, and the upper end is abutted against the auxiliary wheel 3. The auxiliary wheel 3, the fixed support 16 and the auxiliary bearings 20 can be integrally installed and then installed into the fixed groove 15, so as to facilitate installation and ensure the dimensional accuracy between the auxiliary wheel 3 and the I-beam, thereby improving the stability of the sports car.
[0030] The control shell 9 protrudes towards the sports car shell with a plurality of fixed cylinders 902 evenly distributed around the limiting column 901, and the fixed cylinders 902 abut against the outer side of the shell 4. A frequency conversion module is further arranged in the control shell 9, and the frequency conversion module can realize better intelligentization of the sports car. The spaced fixed connection of the control shell 9 and the sports car shell through the fixed cylinders 902 can prevent heat of the frequency conversion module from being transferred to the sports car shell, and reduce heat superposition of the sports car shell. The control shell 9 is provided with a plurality of cooling fins 903 on one side of the fixed cylinders 902 and the side away from the fixed cylinders 902, which is beneficial to heat dissipation.
[0031] The above embodiments are only preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope defined by the claims of the present application.
Claims
1. A heavy-duty track running trolley, comprising a trolley shell, a driving wheel (1), a driven wheel (2) and an auxiliary wheel (3) being connected in the trolley shell, characterized in that: The sports car shell comprises an integral shell (4), a driving shaft (5) and / or a driven shaft (6), the driving shaft (5) is provided with a stepped mounting hole (501), the driven shaft (6) is provided with a stepped mounting hole (601), the stepped mounting hole (501) is provided with a driving fixed shaft (7), the stepped mounting hole (601) is provided with a driven fixed shaft (8), one end of the driving fixed shaft (7) protruding from the stepped mounting hole (501) is rotatably connected with a driving wheel (1), one end of the driven fixed shaft (8) protruding from the stepped mounting hole (601) is rotatably connected with a driven wheel (2).
2. A heavy duty track runner according to claim 1, characterized in that: The sports car shell is fixedly connected with a control shell (9) outside, the control shell (9) is provided with a control motor (10), the control shell (9) is provided with a limiting column (901) protruding towards the stepped mounting hole (501), one end of the driving fixed shaft (7) is outwardly protruding from the control shell (9) and provided with a limiting ring (701), the limiting ring (701) is clamped in one end of the stepped mounting hole (501), the limiting column (901) is abutted against the outer end of the limiting ring (701), the control motor (10) comprises a motor shaft (1001), the motor shaft (1001) is fixedly connected with the driving wheel (1) after penetrating through the limiting column (901) and the driving fixed shaft (7).
3. A heavy duty track runner according to claim 2, characterized in that: The driving wheel (1) is provided with an annular mounting groove (101) with an opening facing the driving fixed shaft (7), one end of the driving fixed shaft (7) is embedded in the annular mounting groove (101), the annular mounting groove (101) is further provided with a driving bearing (11), the driving bearing (11) is radially abutted between the driving fixed shaft (7) and the side wall of the annular mounting groove (101), the driving bearing (11) is axially abutted between the driving shaft (5) and the bottom wall of the annular mounting groove (101), the driving wheel (1) is further provided with a positioning hole (102) located in the middle of the annular mounting groove (101), the motor shaft (1001) is fixed with the positioning hole (102) through a fixing key.
4. A heavy duty track runner according to claim 1, characterized in that: One end of the driven fixed shaft (8) is outwardly protruding with a fixed block (801), the fixed block (801) is clamped with the stepped part of the stepped mounting hole (601), one end of the driven fixed shaft (8) away from the fixed block (801) is connected with the driven wheel (2) through a driven bearing (12) after penetrating through the stepped mounting hole (601), one end of the driven fixed shaft (8) away from the fixed block (801) is provided with a limiting ring (13), the driven bearing (12) is axially abutted between the driven shaft (6) and the limiting ring (13), the driven bearing (12) is radially abutted between the driven wheel (2) and the driven fixed shaft (8).
5. A heavy duty track runner according to claim 4, characterized in that: The fixed block (801) is in a long strip shape, the position of the stepped mounting hole (601) relative to the fixed block (801) is a long hole, and the long hole is located on the shell (4).
6. A heavy-duty track runner according to any one of claims 1 to 5, characterized in that: The sports car shell is further formed with a plurality of fixed strips (14) protruding from the inner side of the shell (4) to the outside.
7. A heavy duty track runner according to claim 6, characterized in that: The fixed strip (14) and the shell (4) form a fixed groove (15), and the auxiliary wheel (3) is rotatably connected in the fixed groove (15).
8. A heavy duty track runner according to claim 7, characterized in that: The fixed strip (14) is fixedly connected with a fixed support (16) through a fastener, the fixed support (16) is fixedly connected with a supporting rotating shaft (17), the auxiliary wheel (3) is sleeved on the supporting rotating shaft (17), the supporting rotating shaft (17) is provided with a fixed clasp ring (18) and a fixed washer (19), and a pair of auxiliary bearings (20) are arranged between the auxiliary wheel (3) and the supporting rotating shaft (17), wherein the lower end of one auxiliary bearing (20) is in abutment with the fixed clasp ring (18), the upper end is in abutment with the auxiliary wheel (3), the upper end of the other auxiliary bearing (20) is in abutment with the fixed washer (19), and the lower end is in abutment with the auxiliary wheel (3).
9. A heavy duty track runner according to claim 2, characterized in that: The control shell (9) protrudes towards the shell of the sports car and is provided with a plurality of fixed cylinders (902) which are circumferentially and uniformly distributed around the limiting column (901), and the fixed cylinders (902) are in abutment with the outer side of the shell (4).
10. A heavy duty track runner according to claim 9, characterized in that: The control shell (9) is provided with a plurality of heat dissipation fins (903) on one side of the fixed cylinder (902) and the side away from the fixed cylinder (902).