CN112110123A - Multi-shaft electrically-driven trackless large-tonnage transportation equipment - Google Patents
Multi-shaft electrically-driven trackless large-tonnage transportation equipment Download PDFInfo
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- CN112110123A CN112110123A CN202010943191.0A CN202010943191A CN112110123A CN 112110123 A CN112110123 A CN 112110123A CN 202010943191 A CN202010943191 A CN 202010943191A CN 112110123 A CN112110123 A CN 112110123A
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- wheel set
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G7/00—Devices for assisting manual moving or tilting heavy loads
- B65G7/02—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads
- B65G7/04—Rollers
Abstract
A multi-shaft electrically driven trackless large-tonnage transportation device comprises a vehicle body, a driving wheel set assembly, a front vehicle dragging system, a rear vehicle power unit, a rear vehicle beam carrying trolley, a front vehicle power unit, an electrical system and a hydraulic system. The driving system is composed of a multi-shaft motor driving mechanism composed of a plurality of driving motors and a planetary reducer, and the driving wheel set assembly is mainly supported by rotation; a steering rocker arm; suspending the oil cylinder; a suspension bracket; a lateral and longitudinal slope adaptive device; a motor; a planetary reducer; a driven wheel set; and (4) tire composition. The motor is directly connected to the planetary reducer without an intermediate transmission device, and the planetary reducer drives the tire to rotate. The rotary support is connected with the vehicle body, transmits load to the tire and can realize free rotation of the wheel set; the steering rocker arm is connected to the suspension bracket, and the steering oil cylinder pushes the steering rocker arm so as to control the steering of the driving wheel set; the suspension oil cylinders are used for balancing and consistent load among the wheel sets, and the automatic stretching of the suspension oil cylinders enables the equipment to adapt to uneven road surfaces.
Description
Technical Field
The invention relates to the field of special transportation equipment, in particular to multi-shaft electrically-driven trackless large-tonnage transportation equipment.
Background
At present, with the rapid development of economy and the improvement of living standard of people, the construction of high-speed railways in China is more and more rapid. Because of the wide range of Chinese amplitude members and the wide range of geological conditions, in the field of high-speed railway construction, oversized structural members are often required to be transported in the field. Particularly, in the construction of a high-speed rail in a mountainous area with more tunnels, large-scale transportation equipment capable of transporting beams through the tunnels is needed, but the existing transportation equipment in the market at present has the following characteristics:
1) the transmission is usually realized by adopting a hydraulic system;
2) is carried by an integral vehicle body.
This also entails the following disadvantages:
1) the core hydraulic components need to be imported from abroad, so that the production period and the production cost are greatly increased;
2) the leakage of the hydraulic oil can cause pollution to the environment;
3) high cost of use and maintenance
4) The whole machine is heavy, and the transportation and assembly cost is high;
5) the height of the whole vehicle is too high, and the difficulty of passing through the tunnel is high.
Therefore, it is necessary to develop a multi-shaft electrically-driven trackless large-tonnage transportation device which is suitable for the construction of mountainous high-speed rails with more tunnels and can transport beams through the tunnels.
Disclosure of Invention
In order to solve the problems, the invention mainly aims to provide multi-shaft electrically-driven trackless large-tonnage transportation equipment which can transport oversized structural parts; secondly, the aim is to provide a large-scale transportation device which is environment-friendly and can transport the beam through the tunnel; a further object is to provide a large transportation facility using clean, pollution-free energy.
In order to achieve the purpose, the invention provides multi-shaft electrically-driven trackless large-tonnage transportation equipment which mainly comprises a front vehicle body, a rear vehicle body, a plurality of driving wheel set assemblies, a front vehicle dragging system, a rear vehicle power unit, a rear vehicle girder-carrying trolley, a front vehicle power unit, an electrical system and a hydraulic system, wherein the driving system is composed of a multi-shaft motor driving mechanism composed of a plurality of motor-driven driving wheel set motors, and the driving wheel set assemblies are mainly composed of a rotary support (21); a steering rocker arm (22); a suspension cylinder (23); a hanger (24); a lateral and longitudinal slope adaptive device (25); a driven wheel set (26); a motor (27); a planetary reducer (28); the tyre (29) is composed of a tyre,
the motor is directly connected to the planetary reducer without an intermediate transmission device, the rotary support (21) is connected with the vehicle bodies (1 and 2), loads are transmitted to the tires (29), and free rotation of the wheel set can be realized;
the steering rocker (22) is connected to a suspension bracket (24), and the steering oil cylinder pushes the steering rocker (22) so as to control the steering of the driving wheel set;
the suspension oil cylinder (23) is used for realizing balanced and consistent load among all wheel sets, and the equipment can adapt to uneven road surfaces through automatic extension and retraction of the suspension oil cylinder (23).
Furthermore, the equipment can also comprise a transverse and longitudinal slope self-adapting device (25), which is a bidirectional hinge device and can automatically adapt to the transverse and longitudinal slopes of the road surface; the lower part of a double-hinge lug seat (21) of the bidirectional hinge device is connected with a longitudinal pin shaft (22), and the upper part of the double-hinge lug seat is connected with a transverse pin shaft (23), so that the driving wheel set can rotate transversely and can be adjusted longitudinally, and the bidirectional hinge device can adapt to transverse slopes and longitudinal slopes simultaneously. And the vehicle body of the main bearing part can adopt a seamless balanced vehicle body, the left and right sides of each vehicle body are respectively connected with a plurality of bearing arms (12), the bearing arms (12) are uniformly distributed on the two sides of the vehicle bodies (1, 2) so as to change concentrated loads into uniformly distributed loads, reduce the stress of the vehicle bodies (1, 2) and the section height of the vehicle bodies (1, 2) and finally reduce the height of the whole vehicle.
Preferably, the vehicle body as a main bearing part is connected with a plurality of (5) bearing arms (12) on the left and the right respectively; and the bearing arm (12) and the vehicle body are preferably welded into a whole, but other connection modes such as riveting, screwing and the like can also be adopted, and preferably: in order to make the stress effect good, an upper cover plate is made of a complete steel plate, and a plurality of planes of the bearing arms can be simultaneously processed on the upper cover plate, so that the problem of high processing difficulty is solved. Through the structure and the uniform distribution design of the load, the invention ensures that the stress of the vehicle body is uniform and the height is reduced, thereby reducing the height of the whole vehicle. And preferably, the upper cover plate covers and is fixedly connected to the vehicle body.
Preferably, the carrying arm (12) and the vehicle body (1, 2) are welded together.
Preferably, the motor (27) is directly connected with the planetary reducer (28), an intermediate transmission device is not arranged, the tire (29) is driven to rotate, and clean and pollution-free energy is used.
Preferably, said front vehicle traction system is mainly composed of a traction drum (31); a piggy-back trolley (32); a guide pulley (33); and a tension device (34);
wherein, the dragging reel (31) rotates to drive the steel wire rope to move, the steel wire rope bypasses the guide pulley (33) to drag the back and forth movement of the beam-carrying trolley (32), and the tensioning device (34) can tension the steel wire rope in the system to prevent the beam-carrying trolley (32) from random movement.
Further, in the electric system, an operation frequency of a driving motor that drives the motor is shifted from 3HZ to 200 HZ. Optionally, in the electrical system, a plurality of high-power frequency converters are provided to respectively control the operation of a plurality of motors (for example, 4 high-power frequency converters are adopted to respectively control the operation of 10 motors), so that the operation speed of the driving motor can be adjusted, the synchronism of the running of the motors can be controlled, and when a curve is passed, the speed difference of the inner and outer motors can be adjusted, so that the girder transporting vehicle can smoothly pass through a small curve section; meanwhile, whether the brake system of each motor operates normally can be detected, and safety and reliability in operation are guaranteed.
Preferably, the transportation device can be designed into a plurality of modules through modular design, the transportation device is transported in blocks and assembled to a construction site module, and all parts of the control circuit can be connected in a quick plug mode.
The invention has the beneficial effects that by means of the technical scheme, the special transportation equipment which can transport 1000 tons or less of concrete box girders on the unballasted roadbed and box girders is provided, and the special transportation equipment is multi-shaft electrically driven trackless large-tonnage transportation equipment. Compared with the prior art, the method has the following advantages:
1) in large-tonnage transportation equipment, a motor is used as a power element, green energy is used, energy is saved, emission is reduced, and environmental pollution is reduced. The energy conservation and emission reduction of high-power equipment can be realized, and the pollution to the environment is reduced;
2) the driving component is changed from the design of the existing hydraulic motor into the design of motor transmission, the localization of the core component is realized by utilizing the domestic advantage technology, the dependence on the foreign technology is eliminated, and the autonomy of the product is realized.
3) According to the technical scheme, the height of the whole vehicle is reduced by changing the structure of the vehicle body, increasing the number of wheel sets, reducing the tire model and the like, so that a beam transporting vehicle can transport beams through a high-speed rail tunnel and can be used for the working condition of bridge-tunnel connection in a mountain area, and the function of transporting beams through the tunnel is realized;
4) by adopting the technical scheme of the invention, the manufacturing, using and maintaining costs can be greatly reduced.
Therefore, the method can be widely applied to the field of construction of the Chinese high-speed railway. Particularly, in the construction of high-speed rails in mountainous areas with more tunnels, the beam can be transported to pass through the tunnels, and the advantages are obvious.
Drawings
Fig. 1 is a schematic overall structure diagram of a multi-shaft electrically-driven trackless large-tonnage transporting device of the invention.
Fig. 2 is a schematic perspective view of a vehicle body and a bearing arm of the multi-shaft electrically-driven trackless large-tonnage transporting apparatus of the present invention.
Fig. 3 is a side view of the vehicle body and the bearing arm of the multi-shaft electrically driven trackless large-tonnage transporting apparatus of the present invention.
Fig. 4 is a schematic perspective view of a driving wheel set of a multi-shaft electrically-driven trackless large-tonnage transporting apparatus according to the present invention.
Fig. 5 is a schematic perspective view of another angle of the driving wheel set of the multi-shaft electrically-driven trackless large-tonnage transporting apparatus of the present invention.
Fig. 6 is a schematic view of a multi-axis motor driving mode of the multi-axis electrically-driven trackless large-tonnage transporting equipment.
Fig. 7 is a schematic cross-sectional view taken along direction D of fig. 6.
Fig. 8 is a left side view of fig. 6.
Fig. 9 is a schematic view of the combination of a front vehicle dragging system and a vehicle body of the multi-shaft electrically-driven trackless large-tonnage transporting equipment.
Fig. 10 is a schematic diagram of a front truck-towing system of a multi-axle electrically driven trackless large-tonnage transporting apparatus of the present invention.
Fig. 11 is a schematic cross-sectional view of a girder transporting vehicle passing through a high-speed railway tunnel according to an embodiment of the present invention.
Fig. 12 is a schematic structural diagram of a multi-shaft electrically driven trackless large-tonnage transporting apparatus of the present invention.
Wherein:
1-front vehicle body; 2-rear vehicle body; 3-driving wheel set assembly;
4-front vehicle towing system; 5-rear vehicle power unit; 6-the rear vehicle carries the beam trolley;
7-a front vehicle power unit; 8-an electrical system; 9-Hydraulic System
12 bearing arm
21, rotating and supporting; 22 a steering rocker arm; 23 hanging an oil cylinder;
24 a hanger bracket; 25 transverse and longitudinal slope self-adapting devices; 26 a driven wheel set;
27 motor; 28 planetary speed reducers; 29 tyre
31 pulling the reel; 32 pack beam trolley; 33 a guide pulley;
34 a tensioning device;
41-45 modules.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The invention discloses a multi-shaft electrically driven trackless large-tonnage transporting device, which mainly comprises the following components as shown in figure 1: vehicle bodies (front vehicle body 1; rear vehicle body 2); a plurality of driving wheel assembly 3; a front vehicle towing system 4; a rear vehicle power unit 5; the rear vehicle carries the beam trolley 6; a front vehicle power unit 7; and the electrical system 8 and other hydraulic systems form a system 9. The invention mainly provides a seamless balanced vehicle body, realizes the application of a multi-shaft motor driving mode on large-tonnage multi-shaft transportation equipment, adopts a module split design, is transported in blocks during transportation, is assembled on a building site module, and is convenient and quick because a control circuit is connected in a quick plug mode.
The main parts of the scheme of the invention are detailed as follows:
1) vehicle body
The invention provides a seamless balanced vehicle body. In this embodiment, the vehicle body is formed by: a front vehicle body 1; a rear vehicle body 2; and is matched with the driving wheel set assembly 3; a front vehicle towing system 4; a rear vehicle power unit 5; the rear vehicle carries the beam trolley 6; a front vehicle power unit 7; an electrical system 8; and the hydraulic system assembly 9 operates.
As shown in fig. 2 and 3, in the present embodiment, the vehicle body includes: the front vehicle body 1 and the rear vehicle body 2 are main bearing parts, and each left and right of the vehicle bodies are respectively connected with 5 bearing arms 12; the bearing arm 12 and the vehicle body 1 are preferably welded into a whole, and the upper cover plate is made of a complete steel plate, so that the stress effect is good; compared with the existing structure, 10 planes of the bearing arms 12 can be simultaneously processed on the upper cover plate, and the integral flatness of the bearing arms 12 is ensured. Through the structure and the uniform distribution design of the load, the invention ensures that the stress of the vehicle body is uniform and the height is reduced, thereby reducing the height of the whole vehicle.
In the embodiment, referring to fig. 2, because the vehicle bodies 1 and 2 and the upper cover plate of the bearing arm 12 are designed as an integral plate, the bearing arm 12 is uniformly distributed on two sides of the vehicle bodies 1 and 2, the concentrated load is changed into the uniformly distributed load, and the stress of the vehicle bodies 1 and 2 is reduced, thereby reducing the section height of the vehicle bodies 1 and 2 and finally reducing the height of the whole machine; in addition, in the manufacturing process, 10 planes of the bearing arms 12 can be simultaneously processed, and the flatness of the wheel set installation is guaranteed.
2) Driving wheel set assembly
As shown in fig. 7, one of the key points of the present invention is to solve the driving problem, i.e. to implement the application of the multi-shaft motor driving mode to the large-tonnage multi-shaft transportation equipment, so that the motor 27 is directly connected to the planetary reducer 28, an intermediate transmission device is omitted, the transmission efficiency is improved, and the problem that the intermediate transmission device cannot bear large torque is solved. And by means of special double-hinge design (double-hinge automatic regulating device), the mechanism can automatically adapt to transverse and longitudinal gradients. (see FIG. 5).
The structure of the driving wheel set assembly adopted by the invention is shown in fig. 4-8, and the driving wheel set assembly is a driving mechanism of the transportation equipment of the invention and mainly comprises a rotary support 21; a steering rocker arm 22; a suspension cylinder 23; a hanger 24; a lateral and longitudinal slope adaptive device 25; a driven wheel set 26; a motor 27; a planetary reducer 28; the tire 29.
Referring to fig. 6 and 7, the rotary support 21 is connected to the vehicle bodies 1 and 2, transfers load to the tire 29, and can realize free swing of the tire;
the steering arm 22 is connected to a suspension bracket 24, and the steering cylinder pushes the steering arm 22, thereby controlling the steering of the wheel set;
the suspension oil cylinder 23 is used for realizing balanced and consistent load among all wheel sets, and the equipment can adapt to uneven road surfaces through automatic extension and retraction of the suspension oil cylinder 23;
the motor 27 and the planetary reducer 28 are power output units of the transportation equipment of the invention, and the motor 27 outputs power, the speed is reduced through the planetary reducer 28, the output torque is improved, and then the tire 29 is driven to rotate, so that electric transmission is realized. Please refer to fig. 6. In addition, the embodiment of the invention is also provided with a transverse and longitudinal slope self-adapting device 25 which is a bidirectional hinge device and can automatically adapt to the transverse and longitudinal slopes of the road surface;
as shown in fig. 5, the bi-directional hinge allows the mechanism to automatically adapt to both lateral and longitudinal gradients due to the special double hinge design. The lower part of the double-hinged lug seat 21 is connected with a longitudinal pin 22, and the upper part is connected with a transverse pin 23, so that the walking wheel set can rotate transversely and can be adjusted longitudinally, and the walking wheel set can adapt to transverse slopes and longitudinal slopes simultaneously.
Therefore, the motor is used as a power element in the large-tonnage transportation equipment for the first time, green energy is used, energy can be saved, emission can be reduced, and the pollution of the equipment to the environment is reduced. In addition, the driving part is changed from the design of the existing hydraulic motor to the design of motor transmission, so that the localization of core parts can be fully realized, the dependence on foreign technologies is eliminated, and the autonomy of products is realized.
3) Front vehicle dragging system assembly
As shown in fig. 9 and 10, the front vehicle traction system of the present invention is primarily comprised of a traction drum 31; a piggyback trolley 32; a guide pulley 33; and a tension device 34;
wherein, the dragging reel 31 rotates to drive the steel wire rope to move, the steel wire rope bypasses the guide pulley 33 to drag the back and forth movement of the girder-carrying trolley 32, and the tensioning device 34 can tension the steel wire rope in the system to prevent the girder-carrying trolley 32 from random movement.
The running frequency of the driving motor is changed from 3HZ to 200HZ, the frequency modulation span is large, and the driving motor is firstly applied to heavy transport equipment. The stability, durability and heat dissipation of the motor running at the frequency of 200HZ are the key points of the design; the invention takes the following measures for this purpose: firstly, the insulation grade of the motor is improved to H grade; secondly, a bearing with high grade and high rotating speed is adopted; thirdly, performing dynamic balance check on a motor rotating shaft to improve the stability of the motor under high-speed rotation; fourthly, the machining precision is improved, and vibration caused by machining errors is reduced. In addition, a mode of enlarging a motor cooling fan and independently supplying power is adopted, so that the problem of insufficient wind power of a common motor is solved; through setting up the water conservancy diversion hole, make the smooth surface that passes through of cold air ability, reduce the operating temperature of motor.
In addition, in the aspect of control, in the specific embodiment of the invention, 4 high-power frequency converters are adopted to control the operation of 10 motors, the operation speed of the driving motor is adjusted, the synchronism of the running of the motors is controlled, and when a curve is passed, the speed difference of the inner and outer motors is adjusted, so that the girder transporting vehicle smoothly passes through a small curve section; and meanwhile, whether the brake system of each motor operates normally is detected, and the safety and reliability in operation are ensured.
Referring to fig. 12, in the embodiment of the present invention, a split module design is adopted, the girder transporting vehicle is modularly designed into five modules, the modules are transported in blocks during transportation and assembled to a construction site, and the control circuit is connected by a quick plug, so that the present invention is convenient and quick.
In summary, with the above scheme, the present invention has the following advantages:
1) for the first time, in large-tonnage transportation equipment, a motor is used as a power element, green energy is used, energy can be saved, emission can be reduced, and therefore pollution to the environment is reduced.
2) The driving component is changed from the existing surface hydraulic motor into motor transmission, so that the localization of the core component is realized, the dependence on foreign technologies is eliminated, and the autonomy of the product is realized.
3) According to the specific embodiment, the structure of the vehicle body is changed through the scheme, the number of wheel sets is increased, the height of the whole vehicle (middle position 1600) can be reduced through design schemes such as reducing the tire type and the like, and as shown in fig. 11, the structural size schematic diagram of the beam transporting vehicle passing through the high-speed rail tunnel is shown, so that the beam transporting vehicle can pass through the high-speed rail tunnel when being transported on the beam, and the beam transporting vehicle is suitable for being used under the working condition that bridges and tunnels in mountainous areas are connected.
4) In addition, through the optimized design, a split vehicle body and a multi-shaft balanced design are adopted, referring to fig. 12, the specific embodiment sets the split vehicle body into 5 modules (modules 41-45), so that the height of the vehicle body is reduced, the weight of the whole machine is also greatly reduced, the weight is 50% lighter than that of other same-tonnage heavy-load equipment, and the manufacturing cost and the transportation cost are reduced; meanwhile, by adopting a module split design, the module can be transported in blocks during transportation and then assembled on a building site module, and the control circuit part is connected in a quick plug mode, so that the module split design is convenient and quick.
5) In addition, in the embodiment of the invention, the running frequency of the driving motor is changed from 3HZ to 200HZ, and the large frequency modulation span is firstly applied to heavy-duty transportation equipment. The design of the drive unit is important for ensuring the smoothness, durability and heat dissipation of the motor running at the frequency of 200 HZ. The invention adopts a plurality of technologies, wherein the insulation grade of the motor is improved to H grade; secondly, a bearing with high grade and high rotating speed is adopted; thirdly, performing dynamic balance check on a motor rotating shaft to improve the stability of the motor under high-speed rotation; fourthly, the machining precision is improved, and vibration caused by machining errors is reduced.
6) The specific embodiment of the invention controls the operation of 10 motors by 4 high-power frequency converters, adjusts the operation speed of the driving motor, controls the synchronism of the running of the motors, and can adjust the speed difference of the inner and outer motors when passing through a curve road, so that a girder transporting vehicle can smoothly pass through a small curve section; meanwhile, whether the brake system of each motor operates normally can be detected, and safety and reliability in operation are guaranteed.
7) The transmission mode of the invention adopts the motor direct-connection planetary reducer, saves an intermediate transmission device, improves the transmission efficiency and solves the problem that the intermediate transmission device can not bear large torque. Another special double hinge design (see fig. 5, 6) enables the mechanism to automatically adapt to lateral and longitudinal gradients.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A multi-shaft electrically driven trackless large-tonnage transportation device mainly comprises a front vehicle body, a rear vehicle body, a plurality of driving wheel set assemblies, a front vehicle dragging system, a rear vehicle power unit, a rear vehicle beam carrying trolley, a front vehicle power unit, an electrical system and a hydraulic system, and is characterized in that the driving system is a multi-shaft motor driving mechanism consisting of a plurality of motor-driven driving wheel sets, and the driving wheel set assemblies are mainly composed of a rotary support (21); a steering rocker arm (22); a suspension cylinder (23); a hanger (24); a lateral and longitudinal slope adaptive device (25); a driven wheel set (26); a motor (27); a planetary reducer (28); the tyre (29) is composed of a tyre,
the motor is directly connected to the planetary reducer without an intermediate transmission device, the rotary support (21) is connected with the vehicle bodies (1 and 2), loads are transmitted to the tires (29), and free rotation of the wheel set can be realized;
the steering rocker (22) is connected to a suspension bracket (24), and the steering oil cylinder pushes the steering rocker (22) so as to control the steering of the driving wheel set;
the suspension oil cylinder (23) is connected by a hydraulic pipeline to realize balanced and consistent load among all wheel sets, and the suspension oil cylinder (23) can automatically stretch out and draw back to enable the equipment to adapt to uneven road surfaces.
2. A multi-axle electrically driven trackless large tonnage transporting equipment as claimed in claim 1, further comprising a lateral slope adaptive device (25) which is a two-way hinge device capable of automatically adapting to the lateral slope and the longitudinal slope of the road surface;
the lower part of a double-hinge lug seat (21) of the bidirectional hinge device is connected with a longitudinal pin shaft (22), and the upper part of the double-hinge lug seat is connected with a transverse pin shaft (23), so that the driving wheel set can rotate transversely and can be adjusted longitudinally, and the bidirectional hinge device can adapt to transverse slopes and longitudinal slopes simultaneously.
3. A multi-axle electrically driven trackless large tonnage transporting equipment as claimed in claim 1 or 2, wherein the vehicle body is a seamless balance vehicle body, each vehicle body is the main bearing part of the equipment, each vehicle body is connected with a plurality of bearing arms (12) on the left and right, the bearing arms (12) are uniformly distributed on both sides of the vehicle body (1, 2) to change the concentrated load into the uniform load, reduce the stress of the vehicle body (1, 2) and the section height of the vehicle body (1, 2), and finally reduce the height of the whole machine.
4. The multi-shaft electrically-driven trackless large-tonnage transporting apparatus as recited in claim 1, wherein: a motor (27) is directly connected to a planetary reducer (28) to drive a tire (29) to rotate, so that walking power is provided for the equipment.
5. The multi-shaft electrically-driven trackless large-tonnage transporting apparatus as recited in claim 1, wherein: the front vehicle traction system is mainly composed of a traction drum (31); a piggy-back trolley (32); a guide pulley (33); and a tension device (34);
wherein, the dragging reel (31) rotates to drive the steel wire rope to move, the steel wire rope bypasses the guide pulley (33) to drag the back and forth movement of the beam-carrying trolley (32), and the tensioning device (34) can tension the steel wire rope in the system to prevent the beam-carrying trolley (32) from random movement.
6. The multi-shaft electrically-driven trackless large-tonnage transporting apparatus as recited in claim 1, wherein: in the electric system, the operating frequency of a driving motor for driving the motor is changed from 3Hz to 200 Hz.
7. The multi-axis electrically driven trackless large-tonnage transporting apparatus as claimed in claim 7, wherein: in the electric appliance system, a plurality of high-power frequency converters respectively control the operation of a plurality of motors so as to adjust the operation speed of a driving motor and control the synchronism of the running of the motors, and when a curve is passed, the speed difference of the inner and outer motors can be adjusted so that a girder transporting vehicle smoothly passes through a small curve section; meanwhile, whether the brake system of each motor operates normally can be detected, and safety and reliability in operation are guaranteed.
8. The multi-shaft electrically-driven trackless large-tonnage transporting apparatus as recited in claim 1, wherein: the transportation device is modularly designed into a plurality of modules, the transportation is carried out in blocks during transportation, the modules are assembled on a construction site, and all parts of a control circuit are connected in a quick plug mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010943191.0A CN112110123A (en) | 2020-09-09 | 2020-09-09 | Multi-shaft electrically-driven trackless large-tonnage transportation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010943191.0A CN112110123A (en) | 2020-09-09 | 2020-09-09 | Multi-shaft electrically-driven trackless large-tonnage transportation equipment |
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| CN112110123A true CN112110123A (en) | 2020-12-22 |
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ID=73801897
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010943191.0A Pending CN112110123A (en) | 2020-09-09 | 2020-09-09 | Multi-shaft electrically-driven trackless large-tonnage transportation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475191A (en) * | 2022-03-11 | 2022-05-13 | 中铁四局集团有限公司 | Power generation power device rotating mechanism and beam transporting vehicle |
-
2020
- 2020-09-09 CN CN202010943191.0A patent/CN112110123A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475191A (en) * | 2022-03-11 | 2022-05-13 | 中铁四局集团有限公司 | Power generation power device rotating mechanism and beam transporting vehicle |
| CN114475191B (en) * | 2022-03-11 | 2023-07-04 | 中铁四局集团有限公司 | Rotation mechanism of power generation power device and beam transporting vehicle |
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