CN117533223A - Electric flat-plate truck crane transport vehicle - Google Patents
Electric flat-plate truck crane transport vehicle Download PDFInfo
- Publication number
- CN117533223A CN117533223A CN202210923753.4A CN202210923753A CN117533223A CN 117533223 A CN117533223 A CN 117533223A CN 202210923753 A CN202210923753 A CN 202210923753A CN 117533223 A CN117533223 A CN 117533223A
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- frame
- control system
- brake
- truck
- cab
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000009467 reduction Effects 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 7
- 238000005286 illumination Methods 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 241000309551 Arthraxon hispidus Species 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/54—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading
- B60P1/5404—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading with a fixed base
- B60P1/5423—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading with a fixed base attached to the loading platform or similar
- B60P1/5428—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using cranes for self-loading or self-unloading with a fixed base attached to the loading platform or similar and having the first pivot on a horizontal axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
- B60S9/10—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/04—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting directly on tread
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
- B66C13/54—Operator's stands or cabins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
- B66C23/40—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with a single prime mover for both crane and vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
- B66C23/80—Supports, e.g. outriggers, for mobile cranes hydraulically actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention relates to an electric flat truck crane transport vehicle which comprises a vehicle frame with a traveling system at the bottom. The front part of the frame is provided with a cab, the rear part of the frame is provided with a truck-mounted crane, and the tail part of the frame is provided with an illumination and warning lamp; the driver cab is provided with a variable frequency control system which is connected with the diesel generator and the control system; the two ends of the frame are respectively provided with a shaft pin type traction connecting device; a braking system is arranged at the bottom of the frame close to the cab; the bottom of the frame is provided with a front axle and a rear axle respectively; the front axle is sleeved with a secondary reduction gearbox, two ends of the front axle are in interference fit with travelling wheels, and the travelling wheels are connected with a braking system; the two ends of the rear axle are provided with driven wheels in interference fit; the two ends of the front axle and the rear axle are connected with axle boxes, and rubber damping springs are arranged at two sides of the axle boxes; the two-stage reduction gearbox is connected with a traction motor, and the traction motor and the truck-mounted crane are respectively connected with a diesel generator and a control system. The invention can reduce labor intensity and improve production efficiency.
Description
Technical Field
The invention relates to a transport vehicle, in particular to an electric flat-plate truck-mounted crane transport vehicle.
Background
In the current mountain tunnel construction, especially in the long and large diversion tunnel construction, a TBM hard rock tunneling machine is mostly adopted for working, and in the tunneling process of the TBM tunneling machine, the excavated rocks, dregs and the like are required to be conveyed to a tunnel slag outlet which is several kilometers or even tens of kilometers away through a conveying belt machine. In the process, the length of the belt conveyor is prolonged along with the continuous extension of the tunnel depth; meanwhile, the roller and the belt of the belt conveyor are required to be maintained in time, if the belt is not maintained in time, faults such as belt deviation, roller damage, belt clamping stagnation and the like can be caused, the whole tunneling speed of a tunnel is greatly influenced, and therefore normal construction is influenced. Therefore, a worksite may send out specialized personnel to perform maintenance and extension work of the conveyor belt.
Because tunnel construction band conveyer generally erects comparatively high, the steel frame platform manual work that original building site generally adopted manpower to push away carries out, when changing the belt, erect the extension conveyer, need a large amount of manpowers to push away the maintenance platform and need the manual work to hang the material on the maintenance platform simultaneously, this kind of operation, intensity of labour is big, waste time and energy to there is serious potential safety hazard, therefore, develop an electric flat car crane and be used for replacing manual work, it is necessary completely.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electric flat truck crane carrier vehicle which reduces labor intensity and improves production efficiency.
In order to solve the problems, the electric flat truck crane transport vehicle provided by the invention comprises a frame with a traveling system at the bottom, and is characterized in that: the front part of the frame is provided with a cab, the rear part of the frame is provided with a truck-mounted crane, and the tail part of the frame is provided with an illumination and warning lamp; the cab is provided with a variable frequency control system which is connected with a diesel generator and a control system arranged on the frame through cables; the two ends of the frame are respectively provided with a shaft pin type traction coupling device for vehicle connection; a braking system is arranged at the bottom of the frame and close to the cab; the bottom of the frame is provided with a front axle and a rear axle respectively; the front axle is sleeved with a secondary reduction gearbox, two ends of the front axle are in interference fit with travelling wheels, and the travelling wheels are connected with the braking system; driven wheels are mounted at two ends of the rear axle in interference fit; the two ends of the front axle and the rear axle are connected with axle box bodies, and rubber damping springs are arranged on two sides of the axle box bodies; the secondary reduction gearbox is connected with a traction motor fixed on the shell of the secondary reduction gearbox, and the traction motor and the truck-mounted crane are respectively connected with the diesel generator and the control system.
The cab is provided with a sliding door, glass windows are respectively arranged at the front and two sides, and a console, an electrical control cabinet and a driver seat which are provided with a handle type controller are respectively arranged in the cab; the console is connected with the electrical control cabinet.
Damping rubber pads are arranged between the frame, the cab and the diesel generator and between the frame and the control system.
The truck mounted crane comprises a suspension arm, a hydraulic control system, a hydraulic pump station and supporting legs; the suspension arm is fixed on the frame through a crane mounting seat; the square beam of the supporting leg is sleeved in the square opening of the frame; the hydraulic control system and the hydraulic pump station are respectively fixed on the crane mounting seat, the hydraulic pump station is connected with the hydraulic control system through a high-pressure oil pipe, and the hydraulic control system is respectively connected with the suspension arm and the supporting leg; and the motor of the hydraulic pump station is connected with the diesel generator and the control system.
The braking system comprises a braking air chamber and a braking suspension rod; the brake air chamber is fixed on the frame through a nut, a spring gasket and a flat pad I through a mounting seat hole; the brake chamber is provided with a push rod which is connected with a brake chamber hinge joint head through threads; the brake chamber hinge joint is connected with the brake boom through a boom pin shaft I, a nut I, a flat pad II and a cotter pin; the middle lower part of the brake boom is connected with a brake shoe contacted with the travelling wheel through a brake shoe pin and a spline nut II, and the lower end of the brake shoe is connected with the frame through a boom pin shaft II distribution shaft hole.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the brake chamber and the brake suspender are arranged, so that the brake multiplying power is effectively improved, and the brake reliability is improved.
2. According to the invention, the diesel generator, the variable frequency control system, the traction motor and the truck-mounted crane are arranged, so that the labor intensity of workers can be greatly reduced, and the production efficiency can be greatly improved.
Drawings
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of a truck mounted crane according to the present invention.
Fig. 3 is a schematic structural view of a brake system according to the present invention.
FIG. 4 is a schematic view of a console panel according to the present invention.
Fig. 5 is a schematic diagram of an ac transmission in the present invention.
In the figure: 1-a frame; 2-a variable frequency control system; 3-diesel generator and control system; 4-hanging on a truck; 401-boom; 402-a hydraulic control system; 403-a hydraulic pump station; 404-support legs; 405-crane mount; 5-lighting and warning lights; 6-a braking system; 601-brake chamber; 602-a nut; 603-spring washers; 604-flat pad i; 605-brake chamber articulation head; 606-a boom pin I; 607-flower nut I; 608-flat pad II; 609-cotter pin; 610-braking the boom; 611-brake shoe; 612-brake shoe pin; 613-a nut II; 614-boom pin II; 7-travelling wheels; 8-a traction motor; 9-driven wheel; 10-a cab; 101-a frequency converter running indicator lamp; 102-operating a fault indicator lamp by the frequency converter; 103-an air compressor indicator lamp; 104-a handle-type joystick; 105-headlight switch; 106-a rear light switch; 107-warning light switch; 108-dome lamp switch; 109-horn button; 110-click button; 111-reset button; 112-fan button; 11-a pin-type traction coupling device; 12-tunneling; 13-belt conveyor.
Detailed Description
As shown in fig. 1, an electric flat truck crane transport vehicle comprises a frame 1 with a traveling system at the bottom. The front part of the frame 1 is provided with a cab 10, the rear part is provided with a truck crane 4, and the tail part is provided with an illumination and warning lamp 5; the cab 10 is provided with a variable frequency control system 2, and the variable frequency control system 2 is connected with a diesel generator and a control system 3 which are arranged on the frame 1 through cables; the two ends of the frame 1 are respectively provided with a shaft pin type traction coupling device 11 for vehicle connection; a braking system 6 is arranged at the bottom of the frame 1 near the cab 10; the bottom of the frame 1 is respectively provided with a front axle and a rear axle; the front axle is sleeved with a secondary reduction gearbox, two ends of the front axle are in interference fit with travelling wheels 7, and the travelling wheels 7 are connected with a braking system 6; the two ends of the rear axle are provided with driven wheels 9 in interference fit; the two ends of the front axle and the rear axle are connected with axle boxes, and rubber damping springs are arranged at two sides of the axle boxes; the two-stage reduction gearbox is connected with a traction motor 8 fixed on the shell of the two-stage reduction gearbox, and the traction motor 8 and the truck-mounted crane 4 are respectively connected with a diesel generator and a control system 3.
Wherein: the cab 10 is provided with a sliding door, and glass windows are respectively arranged at the front and the two sides, so that the visual field is wide and the viewing is convenient. The cab 10 is respectively provided with an operating platform, an electrical control cabinet and a driver seat, wherein the operating platform is provided with a handle type controller; the console is connected with the electrical control cabinet. Other accessories such as an electric fan and the like are also arranged in the cab.
The console is a device for controlling the operation of the locomotive, and controls the operation of the locomotive through a console control handle and switches. As shown in fig. 4, the console panel arranging machine functions as follows:
inverter operation indicator 101: indicating that the traction frequency converter works normally.
Inverter operation fault indicator 102: and when the traction frequency converter fails, the indicator lamp is lightened to give an alarm.
Air compressor indicator light 103: and when the indicator lights are on, the air compressor works.
Handle lever 104: the three positions of forward, 0 and backward are provided, the flatcar is controlled to be in forward, backward and neutral positions, the operating lever is provided with forward 0 to 6 gears and backward 0 to 6 gears, the corresponding speed is 0-7 km/h, and the speed of the flatcar is gradually increased.
Headlight switch 105: pressing the switch turns on the front light.
Rear light switch 106: the illumination is turned on after the button switch is pressed.
Warning light switch 107: the warning light turns on or off a switch, and the switch is required to be turned on when the flatcar runs.
Dome switch 108: the lighting lamp of the cab is turned on or off.
Horn button 109: the button of the horn is sounded.
Click button 110: the button is pressed down, and the flat car runs at a short distance and is used for trailer and accurate positioning.
Reset button 111: pressing the button transducer initializes and resets the system in the fault condition.
Fan button 112: the cab fan on or off button.
Damping rubber pads are arranged between the frame 1, the cab 10 and the diesel generator and between the frame and the control system 3.
The truck mounted crane 4 comprises a boom 401, a hydraulic control system 402, a hydraulic pump station 403 and support legs 404, as shown in fig. 2. The suspension arm 401 is fixed on the frame 1 through a crane mounting seat 405; the square beam of the support leg 404 is sleeved in the square opening of the frame 1; the hydraulic control system 402 and the hydraulic pump station 403 are respectively fixed on the crane mounting seat 405, the hydraulic pump station 403 is connected with the hydraulic control system 402 through a high-pressure oil pipe, and the hydraulic control system 402 is respectively connected with the suspension arm 401 and the supporting leg 404; the motor of the hydraulic pump station 403 is connected with the diesel generator and the control system 3. The main functions of the truck mounted crane 4 are as follows: the material materials with the weight less than 2t are loaded and unloaded in the tunnel 12 by the belt conveyor 13 in a vehicle-mounted manner, so that the goods in the tunnel can be loaded and unloaded conveniently, the operation efficiency is improved, and the operation safety is ensured. The open support legs 404 are supported on the inner wall of the tunnel 12 during the lifting operation, so that the lifting stability is ensured. High pressure oil is provided by a hydraulic pump station 403 and the truck mounted crane 4 is operated by a hydraulic control system 402.
The brake system 6 includes a brake chamber 601 and a brake boom 610, as shown in FIG. 3. The brake chamber 601 is fixed on the frame 1 through a nut 602, a spring gasket 603 and a flat gasket I604 by a mounting seat hole; the brake chamber 601 is provided with a push rod which is connected with a brake chamber hinge joint 605 through threads; the brake chamber hinge joint 605 is connected with a brake boom 610 through a boom pin I606, a nut I607, a flat pad II 608 and a cotter pin 609; the middle lower part of the brake boom 610 is connected with a brake shoe 611 contacted with the travelling wheel 7 through a brake shoe pin 612 and a spline nut II 613, and the lower end of the brake shoe 611 is connected with the frame 1 through a boom pin II 614 pin shaft hole. The main functions of the braking system 6 are: when the locomotive is in need of deceleration or parking in the running process, the compressed air drives the brake air chamber 601 to brake the push rod to move, and drives the brake suspender 610 to enable the brake shoe 611 to rub the travelling wheel 7, so that the need of deceleration or parking is realized.
[ working principle ]
The alternating current transmission system of the transport vehicle adopts a direct-alternating current transmission technology, the principle is as shown in fig. 5, a 30kw diesel generator is adopted to generate electricity as a power supply for supplying power, the direct current is converted into three-phase alternating current with adjustable frequency and voltage through the variable frequency control system 2, and the traction motor 8 is controlled to drive the transport vehicle to operate and the motor of the hydraulic pump station 403 to operate.
Claims (5)
1. The utility model provides an electronic dull and stereotyped truck of hanging on a truck, includes frame (1) that the bottom was equipped with traveling system, its characterized in that: the front part of the frame (1) is provided with a cab (10), the rear part of the frame is provided with a truck mounted crane (4), and the tail part of the frame is provided with an illumination and warning lamp (5); the cab (10) is provided with a variable frequency control system (2), and the variable frequency control system (2) is connected with a diesel generator and a control system (3) which are arranged on the frame (1) through cables; the two ends of the frame (1) are respectively provided with a shaft pin type traction coupling device (11) for connecting vehicles; a braking system (6) is arranged at the bottom of the frame (1) close to the cab (10); the bottom of the frame (1) is provided with a front axle and a rear axle respectively; the front axle is sleeved with a two-stage reduction gearbox, two ends of the front axle are in interference fit with travelling wheels (7), and the travelling wheels (7) are connected with the braking system (6); driven wheels (9) are arranged at the two ends of the rear axle in interference fit; the two ends of the front axle and the rear axle are connected with axle box bodies, and rubber damping springs are arranged on two sides of the axle box bodies; the secondary reduction gearbox is connected with a traction motor (8) fixed on the shell of the secondary reduction gearbox, and the traction motor (8) and the truck-mounted crane (4) are respectively connected with the diesel generator and the control system (3).
2. An electric flat truck as claimed in claim 1, wherein: the cab (10) is provided with a sliding door, glass windows are respectively arranged at the front and two sides, and an operating platform, an electrical control cabinet and a driver seat are respectively arranged in the cab (10) and are provided with a handle controller; the console is connected with the electrical control cabinet.
3. An electric flat truck as claimed in claim 1, wherein: damping rubber pads are arranged between the frame (1) and the cab (10) and between the diesel generator and the control system (3).
4. An electric flat truck as claimed in claim 1, wherein: the truck mounted crane (4) comprises a suspension arm (401), a hydraulic control system (402), a hydraulic pump station (403) and supporting legs (404); the suspension arm (401) is fixed on the frame (1) through a crane mounting seat (405); the square beam of the supporting leg (404) is sleeved in the square opening of the frame (1); the hydraulic control system (402) and the hydraulic pump station (403) are respectively fixed on the crane mounting seat (405), the hydraulic pump station (403) is connected with the hydraulic control system (402) through a high-pressure oil pipe, and the hydraulic control system (402) is respectively connected with the suspension arm (401) and the supporting leg (404); and a motor of the hydraulic pump station (403) is connected with the diesel generator and the control system (3).
5. An electric flat truck as claimed in claim 1, wherein: the brake system (6) comprises a brake chamber (601) and a brake boom (610); the brake air chamber (601) is fixed on the frame (1) through a nut (602), a spring gasket (603) and a flat gasket I (604) through a mounting seat hole; the brake chamber (601) is provided with a push rod which is connected with a brake chamber hinge joint head (605) through threads; the brake air chamber hinge joint (605) is connected with the brake boom (610) through a boom pin shaft I (606), a spline nut I (607), a flat pad II (608) and a cotter pin (609); the middle lower part of the brake boom (610) is connected with a brake shoe (611) contacted with a travelling wheel through a brake shoe pin (612) and a spline nut II (613), and the lower end of the brake shoe is connected with the frame (1) through a boom pin shaft II (614) distribution shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210923753.4A CN117533223A (en) | 2022-08-02 | 2022-08-02 | Electric flat-plate truck crane transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210923753.4A CN117533223A (en) | 2022-08-02 | 2022-08-02 | Electric flat-plate truck crane transport vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117533223A true CN117533223A (en) | 2024-02-09 |
Family
ID=89781233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210923753.4A Pending CN117533223A (en) | 2022-08-02 | 2022-08-02 | Electric flat-plate truck crane transport vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117533223A (en) |
-
2022
- 2022-08-02 CN CN202210923753.4A patent/CN117533223A/en active Pending
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