CN212686693U - Conveying trolley capable of passing through broken rail - Google Patents
Conveying trolley capable of passing through broken rail Download PDFInfo
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- CN212686693U CN212686693U CN202020999698.3U CN202020999698U CN212686693U CN 212686693 U CN212686693 U CN 212686693U CN 202020999698 U CN202020999698 U CN 202020999698U CN 212686693 U CN212686693 U CN 212686693U
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Abstract
The utility model relates to a transport trolley capable of passing through broken rails, which belongs to the field of rail transportation and comprises a frame, wherein the bottom is provided with a driving wheel set and a driven wheel set, the transport trolley is characterized in that the driving wheel set and the driven wheel set are respectively arranged at two ends of the bottom of the frame, a driving mechanism is arranged at the outer side of one end of the frame close to the driving wheel set, the driving wheel set comprises a chain, four bearings with seats, four unilateral steel wheels, two steel wheel connecting shafts and three chain wheels, two ends of each steel wheel connecting shaft are respectively provided with a unilateral steel wheel and a bearing with seats, three chain wheels are respectively and fixedly arranged at the end parts of the two steel wheel connecting shafts, wherein two chain wheels positioned at the same side of the trolley are connected through the chain, a third chain wheel positioned at the other side of the trolley is connected; the trolley has the advantages of good driving synchronism, smoother running of the trolley and convenience in maintenance.
Description
Technical Field
The utility model relates to a rail transport technical field, concretely relates to transport trolley of disconnected rail of accessible.
Background
The large-tonnage materials transported by wheeled vehicles in a factory are easy to cause ground damage, the maintenance of the factory environment is very unfavorable, and the problems can be effectively avoided by selecting rail conveying equipment. The track line is generally not allowed to be interrupted, and once the track is interrupted, manual intervention is generally needed when the conveying trolley passes through the interruption position, so that the track conveying efficiency is greatly reduced; however, due to the complexity of the factory environment, problems of track crossing, track avoidance and the like are often encountered, so that the track is inevitably interrupted, and the track transportation trolley cannot normally transport. Therefore, how to realize the automatic and efficient cargo conveying of the rail conveying equipment in a complex environment is a relatively troublesome problem faced by many enterprises.
In the prior art, there is a related document describing a device for transporting goods between disconnected tracks, which includes a frame, two sets of guide wheel sets are respectively disposed at two ends of the bottom of the frame, two sets of driving wheel sets are disposed between the two sets of guide wheels, the driving wheel sets are connected to a driving mechanism, the driving mechanism can drive the driving wheel sets to rotate, and the distance between the two sets of driving wheel sets is greater than the maximum gap between the disconnected tracks. The frame slides along the track through the driving mechanism, when the device breaks the track, when one of the four wheel sets passes through the gap at the track fracture, the other three wheel sets are supported on the track until the wheel set passes through the gap at the track fracture, so that the transportation device can stably and smoothly pass through the track fracture, and further the stable transportation of goods on the broken track is realized.
However, the above structure has the following problems: the two ends of the bottom of the frame are provided with guide wheel sets, two groups of driving wheel sets are arranged between the guide wheel sets, namely the driving wheel sets are arranged in the middle of the bottom of the frame, and each group of driving wheel sets drives the frame to move forwards through an independent driving mechanism respectively, so that the driving is not synchronous, and particularly, the transportation device is difficult to drive under the special condition of rail traffic; if one side drive is in failure, the driving mechanism is arranged at the side end of the driving wheel set at the bottom of the frame, so that the maintenance is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a drive synchronism good, the dolly traveles more smoothly and easy maintenance's transport trolley of disconnected rail of accessible.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a conveying trolley capable of passing through broken rails comprises a trolley frame, wherein a driving wheel set and a driven wheel set are arranged at the bottom of the trolley frame, the driving wheel set and the driven wheel set are respectively arranged at two ends of the bottom of the trolley frame, a driving mechanism is arranged at the outer side of one end, close to the driving wheel set, of the trolley frame, the driving wheel set is a four-wheel linkage mechanism and comprises a chain, four bearings with seats, four unilateral steel wheels, two steel wheel connecting shafts and three chain wheels, one steel wheel and one bearing with seats are respectively arranged at two ends of each steel wheel connecting shaft, the unilateral steel wheel is fixedly connected with the steel wheel connecting shafts, an inner sleeve of each bearing with seats is fixedly connected with the steel wheel connecting shafts, the three chain wheels are respectively and fixedly arranged at the end parts of the two steel wheel connecting shafts, two chain wheels positioned at the same side of the trolley are connected through the chain, the driving wheel set is fixed on the frame through a bearing with a seat.
Further, the driving mechanism adopts a speed reduction motor.
Furthermore, the speed reducing motor is connected with a chain wheel, and the speed reducing motor is connected with a third chain wheel positioned on the other side of the trolley through the chain wheel and a chain.
Furthermore, the driven wheel group comprises four bearings with seats, four unilateral steel wheels and two steel wheel connecting shafts, wherein a unilateral steel wheel and a bearing with a seat are respectively arranged at two ends of each steel wheel connecting shaft, the unilateral steel wheel is fixedly connected with the steel wheel connecting shafts, and an inner sleeve of each bearing with a seat is fixedly connected with the steel wheel connecting shafts.
Furthermore, be provided with climbing mechanism on the frame, climbing mechanism top is provided with lift platform, climbing mechanism includes cylinder and the guiding mechanism of predetermineeing quantity, and the cylinder sets up with the guiding mechanism interval, and the cylinder of cylinder is fixed on the frame, and the telescopic link of cylinder is fixed continuous with lift platform's bottom, guiding mechanism includes linear bearing and guiding axle, and linear bearing fixes on the frame, and the guiding axle passes linear bearing and links to each other with lift platform is fixed.
Further, the cylinder adopts a large-diameter cylinder.
Further, the maximum diameter of the cylinder is 250 mm.
Further, the number of the cylinders is three, and the number of the guide mechanisms is four.
The utility model has the advantages that: the utility model discloses a drive wheel group that sets up and the connection with the actuating mechanism that is located the frame distolateral, outside realizing through the broken rail this function, can also realize single motor double round group drive, the unilateral steel wheel synchronism of dolly both sides is good, does benefit to the dolly and goes smoothly, solves the automatic transport problem of large-tonnage material under the broken rail condition; in addition, the driving wheel set with the structure is matched with the driving mechanism in position, so that the driving mechanism can be exposed out of the outer end of the frame, and the maintenance is convenient.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 is a schematic structural view of the driving wheel set of the present invention;
fig. 4 is a schematic structural view of the driven wheel set of the present invention;
fig. 5 is a schematic view of the operation state of the present invention;
in the figure: 1. the device comprises a frame, 2 driving wheel sets, 3 driven wheel sets, 4 driving mechanisms, 5 chains, 6 bearings with seats, 7 unilateral steel wheels, 8 steel wheel connecting shafts, 9 chain wheels, 10 air cylinders, 11 guiding mechanisms, 12 lifting platforms, 13 linear bearings and 14 guiding shafts.
Detailed Description
The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1-5, the transportation trolley capable of passing through broken rails of the embodiment includes a frame 1, the frame 1 is a mounting carrier for each functional mechanism, and a driving wheel set 2 and a driven wheel set 3 are arranged at the bottom of the frame 1;
the driving wheel set 2 and the driven wheel set 3 are respectively arranged at two ends of the bottom of the frame 1, a driving mechanism 4 is arranged at the outer side of one end of the frame 1 close to the driving wheel set 2, and the driving mechanism 4 adopts a speed reduction motor, provides power for a power source of the trolley and provides power for the automatic walking of the trolley;
the driving wheel group 2 is a four-wheel linkage mechanism and consists of a chain 5, four steel wheel bearings 6 with seats, four unilateral steel wheels 7, two steel wheel connecting shafts 8 and three chain wheels 9, wherein two ends of each steel wheel connecting shaft 8 are respectively provided with the unilateral steel wheel 7 and the steel wheel bearing 6, the unilateral steel wheel 7 is fixedly connected with the steel wheel connecting shaft 8, an inner sleeve of the steel wheel bearing 6 is fixedly connected with the steel wheel connecting shaft 8, the three chain wheels 9 are respectively and fixedly arranged at the end parts of the two steel wheel connecting shafts 8, the two chain wheels 9 positioned at the same side of the trolley are connected through the chain 5, the distance between the two chain wheels 9 positioned at the same side of the trolley is larger than the maximum gap of broken rails, the third chain wheel 9 positioned at the other side of the trolley is connected with the driving mechanism 4, the speed reducing motor is connected with the chain wheel 9, and the speed reducing motor is connected with the third chain wheel 9 positioned, the driving wheel set 2 is fixed on the frame 1 through a bearing with a seat 6; as shown in fig. 3, the left sprocket is connected with the sprocket of the gear motor through a chain, so that the gear motor can provide power for the four unilateral steel wheels.
This embodiment driven wheelset 3 constitute by four rolling bearing 6, four unilateral steel wheels 7 and two steel wheel connecting axles 8, 8 both ends of every steel wheel connecting axle are provided with a unilateral steel wheel 7 and a rolling bearing 6 respectively, unilateral steel wheel 7 and 8 fixed connection of steel wheel connecting axle, rolling bearing 6's endotheca and 8 fixed connection of steel wheel connecting axle, driven wheelset 3 fixes on the frame through rolling bearing 6.
The frame 1 of the embodiment is also provided with a jacking mechanism, a lifting platform 12 is arranged above the jacking mechanism, and the lifting platform 12 is a load bearing part of goods; the jacking mechanism comprises a preset number of cylinders 10 and guide mechanisms 11, the cylinders 10 are power sources of the lifting platform 12, the cylinders 10 and the guide mechanisms 11 are arranged at intervals, a cylinder barrel of each cylinder 10 is fixed on the frame 1, and a telescopic rod of each cylinder 10 is fixedly connected with the bottom of the lifting platform 12; specifically, the cylinder 10 adopts a large-diameter cylinder, the maximum cylinder diameter of the cylinder can be 250mm, and the maximum jacking weight can reach 7.5 tons.
The guide mechanism 11 is arranged on two sides of the cylinder in an inserting manner and comprises a linear bearing 13 and a guide shaft 14, the linear bearing 13 is fixed on the frame 1, and the guide shaft 14 penetrates through the linear bearing 13 and is fixedly connected with the lifting platform 12. The main functions of the medicine are as follows: firstly, the lifting platform is ensured to vertically ascend and descend under the guiding action; two, synchronization action, because the lift platform power supply of this scheme is many cylinders combination, the synchronism of cylinder is the prerequisite of guaranteeing lift platform even running, can effectively hold back the differential operation of cylinder through guiding mechanism.
The cylinder 10 quantity set up to three in this embodiment, 11 quantity of guiding mechanism set up to four, adopt three cylinders four direction, can realize the large-tonnage jacking, the cylinder can effectively guarantee the synchronism of cylinder with the collinear of guiding mechanism.
The utility model discloses a theory of operation:
the utility model discloses a transport trolley passes through disconnected rail through the mode of many contact points of wheelset, it is specifically as shown in figure 5, the owner of dolly, all design with the form of wheelset from the driving wheel, owner, driven wheelset all has two sets of trains, cross disconnected rail when front side wheel system suspends, rear side wheel system and track contact, after front side wheel system and track contact, rear side wheel system just can be unsettled, this drive wheelset, the distance (S in the diagram that is) between two sprockets that lie in the dolly homonymy in the driven wheelset is greater than the maximum clearance of disconnected rail (L in the diagram that is), just so can guarantee the steady disconnected rail of passing through of dolly.
By adopting the driving wheel set and the connection between the driving wheel set and the driving mechanism positioned at the end side of the frame, the driving of a single-motor double-wheel set can be realized, the single-side steel wheels at the two sides of the trolley have good synchronism, and the trolley can run smoothly; in addition, the driving wheel set with the structure is matched with the driving mechanism in position, so that the driving mechanism can be exposed out of the outer end of the frame, and the maintenance is convenient.
The trolley is also provided with a pneumatic large-tonnage lifting device, namely, the lifting mechanism and the lifting platform are arranged, and the trolley is matched with corresponding station appliances to realize automatic taking and placing of materials and realize automatic conveying of large-tonnage materials under the condition of rail breakage; the pneumatic lifting is adopted, so that the large-tonnage materials can be automatically taken and placed, and the problems of oil leakage and heaviness of a hydraulic lifting device are solved.
Claims (6)
1. A conveying trolley capable of passing through broken rails comprises a trolley frame (1), wherein a driving wheel set (2) and a driven wheel set (3) are arranged at the bottom of the trolley frame (1), and the conveying trolley is characterized in that the driving wheel set (2) and the driven wheel set (3) are respectively arranged at two ends of the bottom of the trolley frame (1), a driving mechanism (4) is arranged at the outer side of one end, close to the driving wheel set (2), of the trolley frame (1), the driving wheel set (2) comprises a chain (5), four bearings (6) with seats, four unilateral steel wheels (7), two steel wheel connecting shafts (8) and three chain wheels (9), a unilateral steel wheel (7) and a bearing with seats (6) are respectively arranged at two ends of each steel wheel connecting shaft (8), the unilateral steel wheel (7) is fixedly connected with the steel wheel connecting shaft (8), an inner sleeve of each bearing with seats (6) is fixedly connected with the steel wheel (8), and the three chain wheels (9) are respectively fixedly arranged at the end parts of the two, wherein two chain wheels (9) positioned at the same side of the trolley are connected through a chain (5), a third chain wheel (9) positioned at the other side of the trolley is connected with the driving mechanism (4), and the driving wheel set (2) is fixed on the frame (1) through a bearing with a seat (6).
2. The transport trolley capable of passing through broken rails according to claim 1, characterized in that the driving mechanism (4) adopts a speed reducing motor.
3. The transportation trolley capable of passing through the broken rail according to claim 2, wherein the speed reducing motor is connected with a chain wheel (9), and the speed reducing motor is connected with a third chain wheel (9) positioned at the other side of the trolley through the chain wheel (9) and the chain (5).
4. The transportation trolley capable of passing through broken rails according to claim 1, wherein the driven wheel set (3) comprises four bearings (6) with seats, four single-side steel wheels (7) and two steel wheel connecting shafts (8).
5. The conveying trolley capable of passing through the broken rail as claimed in claim 1, wherein a jacking mechanism is arranged on the trolley frame (1), a lifting platform (12) is arranged above the jacking mechanism, the jacking mechanism comprises a preset number of cylinders (10) and guide mechanisms (11), the cylinders (10) and the guide mechanisms (11) are arranged at intervals, cylinders of the cylinders (10) are fixed on the trolley frame (1), telescopic rods of the cylinders (10) are fixedly connected with the bottom of the lifting platform (12), the guide mechanisms (11) comprise linear bearings (13) and guide shafts (14), the linear bearings (13) are fixed on the trolley frame (1), and the guide shafts (14) penetrate through the linear bearings (13) and are fixedly connected with the lifting platform (12).
6. The transport trolley capable of passing through broken rails according to claim 5, characterized in that the number of the air cylinders (10) is three, and the number of the guide mechanisms (11) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020999698.3U CN212686693U (en) | 2020-06-04 | 2020-06-04 | Conveying trolley capable of passing through broken rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020999698.3U CN212686693U (en) | 2020-06-04 | 2020-06-04 | Conveying trolley capable of passing through broken rail |
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| Publication Number | Publication Date |
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| CN212686693U true CN212686693U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020999698.3U Active CN212686693U (en) | 2020-06-04 | 2020-06-04 | Conveying trolley capable of passing through broken rail |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682756A (en) * | 2021-09-07 | 2021-11-23 | 安徽工业大学 | Rail transport vehicle capable of running on interrupted steel rail |
-
2020
- 2020-06-04 CN CN202020999698.3U patent/CN212686693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113682756A (en) * | 2021-09-07 | 2021-11-23 | 安徽工业大学 | Rail transport vehicle capable of running on interrupted steel rail |
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