CN219119573U

CN219119573U - Lifting anti-tilting automatic testing device for transport blades

Info

Publication number: CN219119573U
Application number: CN202223147961.4U
Authority: CN
Inventors: 汤一兵; 王玉明; 易敏文
Original assignee: Hunan Hongzhenming Engineering Consulting Co ltd
Current assignee: Hunan Hongzhenming Engineering Consulting Co ltd
Priority date: 2022-11-27
Filing date: 2022-11-27
Publication date: 2023-06-02
Anticipated expiration: 2032-11-27

Abstract

The utility model discloses an automatic lifting and tilting-preventing testing device for a transport blade, which relates to the technical field of wind power generation and comprises a testing table and a base, wherein a testing cavity is formed in the testing table, a movable drawer is slidably arranged on the bottom surface in the testing cavity, a plurality of testing cylinders are fixed on the movable drawer, a testing plate is commonly supported at the top of each testing cylinder, a plurality of pressure sensors are fixed on the upper end surface of each testing plate, a supporting plate is commonly fixed at the top ends of the plurality of pressure sensors, a mounting cavity is formed in the top of the testing table corresponding to the position of the supporting plate, and a PLC is arranged in the mounting cavity and is mounted on the upper end surface of the supporting plate. The utility model has reasonable structure, can determine the range of relevant lifting adjustment on the fixing frame by the pressure sensor on the test board reaching the safe pressure value, realizes the test, and is beneficial to optimizing the safety performance of the hydraulic control device according to the test result in the production process of hydraulic control of the lifting vehicle.

Description

Lifting anti-tilting automatic testing device for transport blades

Technical Field

The utility model relates to the technical field of wind power generation, in particular to an automatic lifting anti-tilting testing device for a transport blade.

Background

The fan equipment for wind power generation mainly comprises fan blades, a cabin, a hub and a tower, wherein each part belongs to an overrun object for common highway transportation, and the special vehicle is required to be adopted for transportation. The blade has the main characteristics of being different from other equipment of the fan because of the extra length, and the longer the blade is, the more difficult and the higher the transportation cost is.

At present, the transportation of the blades is generally completed by combining a flat semi-trailer with a tractor or a special blade transport vehicle (called a lifting vehicle for short) with blade lifting-rotating-hydraulic steering. The flat bed semitrailer is combined with a tractor to be generally used in a flat wind field on an expressway or a road, and the condition of the transportation road is required to be good. The lifting vehicle is a specially designed working vehicle for complex road transportation of wind power blades, and can lift the blades through hydraulic control during driving, avoid various restriction barriers (mountain slopes, trees, houses, bridges, tunnels and the like) during transportation through 360-degree rotation of the blades, reduce the tail sweeping area of the blades, greatly reduce the engineering quantity of road reconstruction, shorten the construction period of road reconstruction, meet the requirements of insufficient turning radius, avoid obstacles such as mountain cliffs, building groups, telegraph poles and the like and remove the houses to a certain extent, and also greatly reduce the total length of the blade transportation vehicle body, thereby being popularized and applied.

However, when the lifting vehicle carries out horizontal rotation adjustment on the blade, the whole gravity center of the vehicle body is offset, if the offset range is too large, the vehicle body is easy to overturn, therefore, in the production process of hydraulic control of the lifting vehicle, the adjustment allowable range of the hydraulic control device is required to be tested so as to further optimize the safety performance of the hydraulic control device when the hydraulic control device adjusts the blade, and at present, corresponding simulation test devices are lacking in the market.

Disclosure of Invention

The utility model aims at providing a lift anti-tilting automatic testing arrangement for transportation blade can reach the safety pressure numerical value through the pressure sensor on the test board and confirm the scope of relevant lift adjustment on the mount, realizes the test to be favorable to carrying out the production in-process to the hydraulic control of lifting the car, optimize hydraulic control device's security performance according to the test result.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides an automatic testing arrangement that prevents inclining for transporting blade lifts, includes testboard and base, set up the test chamber in the testboard, bottom surface slidable mounting has the removal drawer in the test chamber, be fixed with a plurality of test cylinders on the removal drawer, the top of test cylinder supports jointly has the test board, the up end of test board is fixed with a plurality of pressure sensor, and is a plurality of pressure sensor's top is fixed with the backup pad jointly, just the top of testboard corresponds the position of backup pad has seted up the installation chamber, the base is arranged in the installation intracavity to install in the up end of backup pad, the up end of testboard is worn out on the top of base, and installs the mount that is used for fixed test to use simulation blade.

As a further preferable scheme, the pressure sensors are at least provided with four and are distributed on the edge of the upper end face of the test plate in an annular equidistant mode.

As a further preferable scheme, a PLC controller is arranged in the test cavity, the PLC controller is electrically connected with the pressure sensor, a control panel is fixed on the outer side of the test bench, and the control panel is electrically connected with the test cylinder.

As a further preferable scheme, one end movable mounting of mount has the counter weight subassembly, just hydraulic control subassembly is installed to the up end of mount, hydraulic control subassembly support in counter weight subassembly one side, install the fixed subassembly that is used for fixed test to simulate the blade on the counter weight subassembly.

As a further preferable scheme, the test simulation blade in the fixing assembly comprises a blade weight simulation assembly and a blade length simulation assembly, wherein the blade weight simulation assembly is fixed in the fixing assembly, and the blade length simulation assembly is fixed at one end of the blade weight simulation assembly extending out of the fixing assembly.

As a further preferable scheme, a plurality of horizontal positioning cylinders are fixed in the top of the test bench, and the shafts of the positioning cylinders horizontally extend into the mounting cavity and horizontally penetrate through the bottom of the base.

As a further preferable scheme, a through hole for the horizontal penetration of the crankshaft of the positioning cylinder is formed in the bottom of the base.

In summary, the utility model has the technical effects and advantages that:

1. the utility model has reasonable structure, benefits from the cooperation of the test board, the base, the test board, the pressure sensor and the positioning cylinder, when the fixing frame on the base is provided with the blade weight simulation component and the blade length simulation component, the fixing frame can be matched with the hydraulic control component to carry out rotation adjustment control, so that the integral gravity center position of the base and the fixing frame is changed, and at the moment, the gravity center change range can be detected through the pressure sensors distributed on the test board, thereby the relevant lifting adjustment range on the fixing frame can be determined through the pressure sensors on the test board reaching the safe pressure value, the test is realized, and the safety performance of the hydraulic control device is optimized according to the test result in the production process of hydraulic control of the lifting vehicle.

2. According to the utility model, the movable drawer can slide out of the test table according to the test object due to the cooperation of the movable drawer, the test cylinder and the test plate, so that the pressure sensor on the test plate is rearranged, and the application range of the test device is improved, and the universality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the utility model;

FIG. 2 is a schematic view of the test stand of the utility model mated with a fixture;

FIG. 3 is a schematic view of the internal structure of the test stand of the utility model;

fig. 4 is a schematic view of the inventive test plate in a disassembled state.

In the figure: 1. a test bench; 101. a control panel; 102. a test chamber; 103. a mounting cavity; 2. a base; 3. a fixing frame; 301. a hydraulic control assembly; 4. a counterweight assembly; 5. a fixing assembly; 6. a blade weight simulation assembly; 7. a blade length simulation assembly; 8. moving the drawer; 9. testing a cylinder; 10. a test board; 1001. a pressure sensor; 1002. a support plate; 11. positioning a cylinder; 12. and a PLC controller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-4, an automatic testing device for preventing tilting of lifting of a transportation blade comprises a testing table 1 and a base 2, wherein a testing cavity 102 is formed in the testing table 1, a movable drawer 8 is slidably arranged on the inner bottom surface of the testing cavity 102, a plurality of testing air cylinders 9 are fixed on the movable drawer 8, a testing plate 10 is commonly supported at the top of each testing air cylinder 9, a plurality of pressure sensors 1001 are fixed on the upper end surface of each testing plate 10, at least four pressure sensors 1001 are arranged and distributed on the edge of the upper end surface of each testing plate 10 at equal intervals in an annular mode, supporting plates 1002 are commonly fixed on the top ends of the plurality of pressure sensors 1001, eight pressure sensors 1001 on the testing plates 10 in the embodiment are arranged, and pressure values in eight directions of the upper end surface of each testing plate 10 can be detected.

During the implementation, a plurality of horizontal positioning cylinders 11 are fixed in the top of the test bench 1, the shafts of the positioning cylinders 11 horizontally extend into the mounting cavity 103 and horizontally penetrate through the bottom of the base 2, through holes for the shafts of the positioning cylinders 11 to horizontally penetrate through are formed in the bottom of the base 2, shallow holes for the shafts of the positioning cylinders 11 to be inserted into are correspondingly formed in the inner wall of the mounting cavity 103, the shafts of the positioning cylinders 11 can be horizontally arranged in the mounting cavity 103, and accordingly the base 2 is supported, a supporting plate 1002 used for supporting below the base 2 is conveniently taken out from the test bench 1 along with the movable drawer 8, and the pressure sensor 1001 on the test plate 10 is facilitated to be rearranged.

The top of test bench 1 has seted up installation cavity 103 corresponding to backup pad 1002's position, and installation cavity 103 is arranged in to base 2 to install in backup pad 1002's up end, the up end of test bench 1 is worn out on the top of base 2, and installs the mount 3 that is used for fixing the simulation blade for the test. Specifically, the PLC controller 12 is installed in the test chamber 102, the PLC controller 12 is electrically connected with the pressure sensor 1001, and the control panel 101 is fixed on the outer side of the test bench 1, and the control panel 101 is electrically connected with the test cylinder 9.

Referring to fig. 1 and 2, a counterweight assembly 4 is movably mounted at one end of a fixing frame 3, a hydraulic control assembly 301 is mounted at an upper end face of the fixing frame 3, the hydraulic control assembly 301 is supported at one side of the counterweight assembly 4, a fixing assembly 5 for fixing a simulation blade for testing is mounted on the counterweight assembly 4, the simulation blade for testing in the fixing assembly 5 comprises a blade weight simulation assembly 6 and a blade length simulation assembly 7, the blade weight simulation assembly 6 is fixed in the fixing assembly 5, and the blade length simulation assembly 7 is fixed at one end of the blade weight simulation assembly 6 extending out of the fixing assembly 5.

The working principle of the utility model is as follows: when the automatic lifting and tilting-preventing testing device for transporting blades is used, the blade weight simulation assembly 6 and the blade length simulation assembly 7 can be installed on the fixing assembly 5, the testing cylinder 9 is started to enable the testing plate 10 to ascend in the testing cavity 102 until the supporting plate 1002 is supported at the bottom of the base 2, and then the positioning cylinder 11 can be started to draw out the crankshaft of the positioning cylinder 11 from the bottom of the base 2 so as to release the support of the base 2, so that the base 2 is completely supported by the supporting plate 1002.

Then, the horizontal angle and the vertical inclination angle of the blade weight simulation assembly 6 and the blade length simulation assembly 7 on the fixed assembly 5 can be adjusted through the adjusting rotation mechanism in the base 2 and the hydraulic control assembly 301 on the fixed frame 3, in the adjusting process, the pressure detected by the pressure sensor 1001 on the test board 10 can be displayed when the gravity center change of the whole body of the base 2 and the fixed frame 3 is changed, and when the pressure value of the pressure sensor 1001 in a certain direction on the test board 10 reaches out of the safety value, the risk of overturning is indicated, therefore, the staff can test the maximum degree of adjustment in all directions through the device, so as to control the adjusting range of the hydraulic control of the lifting vehicle in the production process, and the safety performance of the hydraulic control device is optimized.

Meanwhile, when the pressure sensor 1001 arranged on the test board 10 needs to be changed according to the test object, the positioning cylinder 11 can be restarted to enable the crankshaft of the positioning cylinder to be horizontally inserted into the bottom of the base 2 to form a support, so that the test board 10 is lowered from the mounting cavity 103 by the test cylinder 9 and is rearranged along with the sliding of the movable drawer 8 out of the test bench 1, and therefore the application range of the test device is improved, and the universality is strong.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a lift anti-tilting automatic testing arrangement for transporting blade, includes testboard (1) and base (2), its characterized in that: the test bench is characterized in that a test cavity (102) is formed in the test bench (1), a movable drawer (8) is slidably arranged on the inner bottom surface of the test cavity (102), a plurality of test cylinders (9) are fixed on the movable drawer (8), a test plate (10) is commonly supported at the top of each test cylinder (9), a plurality of pressure sensors (1001) are fixed on the upper end surface of each test plate (10), a supporting plate (1002) is commonly fixed at the top of each pressure sensor (1001), a mounting cavity (103) is formed in the position of the corresponding supporting plate (1002) at the top of the test bench (1), a base (2) is arranged in the mounting cavity (103) and is mounted on the upper end surface of the corresponding supporting plate (1002), and the top of the base (2) penetrates out of the upper end surface of the test bench (1) and is provided with a fixing frame (3) for fixing test simulation blades.

2. The automatic test equipment for preventing tilting of lifting of a transport blade according to claim 1, wherein: the pressure sensors (1001) are at least provided with four and are distributed on the edge of the upper end face of the test board (10) at equal intervals in a ring shape.

3. The automatic test equipment for preventing tilting of lifting of a transport blade according to claim 1, wherein: the PLC (12) is installed in the test cavity (102), the PLC (12) is electrically connected with the pressure sensor (1001), a control panel (101) is fixed on the outer side of the test bench (1), and the control panel (101) is electrically connected with the test cylinder (9).

4. The automatic test equipment for preventing tilting of lifting of a transport blade according to claim 1, wherein: one end movable mounting of mount (3) has counter weight subassembly (4), just hydraulic control subassembly (301) are installed to the up end of mount (3), hydraulic control subassembly (301) support in counter weight subassembly (4) one side, install on counter weight subassembly (4) and be used for fixed test with fixed subassembly (5) of simulation blade.

5. The automatic test equipment for preventing tilting of lifting of a transport blade according to claim 4, wherein: the test simulation blade in the fixed assembly (5) comprises a blade weight simulation assembly (6) and a blade length simulation assembly (7), wherein the blade weight simulation assembly (6) is fixed in the fixed assembly (5), and the blade length simulation assembly (7) is fixed at one end, extending out of the fixed assembly (5), of the blade weight simulation assembly (6).

6. The automatic test equipment for preventing tilting of lifting of a transport blade according to claim 1, wherein: a plurality of horizontal positioning cylinders (11) are fixed in the top of the test bench (1), and the shafts of the positioning cylinders (11) horizontally extend into the mounting cavity (103) and horizontally penetrate through the bottom of the base (2).

7. The automatic test equipment for preventing tilting of lifting of a transport blade according to claim 6, wherein: the bottom of the base (2) is provided with a through hole for the horizontal penetration of the crankshaft of the positioning cylinder (11).