CN211281189U - Forklift steering device with low-torque detection mechanism - Google Patents
Forklift steering device with low-torque detection mechanism Download PDFInfo
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- CN211281189U CN211281189U CN201921844301.7U CN201921844301U CN211281189U CN 211281189 U CN211281189 U CN 211281189U CN 201921844301 U CN201921844301 U CN 201921844301U CN 211281189 U CN211281189 U CN 211281189U
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Abstract
The utility model belongs to the technical field of fork truck turns to the device, concretely relates to fork truck turns to device with low moment of torsion detection mechanism. The device comprises a forklift steering wheel, a steering column and a steering gear assembly, wherein one end of the steering column is fixedly connected with the steering gear assembly through a mounting plate, the other end of the steering column is positioned in a mounting cavity at the upper part of the forklift steering wheel and is fixedly mounted on the forklift steering wheel through a connecting nut, the upper end of the forklift steering wheel is provided with a low-torque detection mechanism, and the low-torque detection mechanism comprises a handheld turntable, a dynamic micro torque sensor, an electric power tester and a computer; one end of the dynamic micro torque sensor is fixedly connected with the bottom of the hand-held turntable, and the other end of the dynamic micro torque sensor is fixedly arranged at the upper end of the forklift steering wheel, so that the hand-held turntable and the forklift steering wheel coaxially and synchronously rotate; the output end of the dynamic micro torque sensor is connected with the input end of an electric power tester, and the output end of the electric power tester is connected with a computer. The utility model discloses measurement accuracy is high, the testing result can carry out characteristics such as graphical display.
Description
Technical Field
The utility model belongs to the technical field of fork truck turns to the device, concretely relates to fork truck turns to device with low moment of torsion detection mechanism.
Background
The forklift steering generally adopts full hydraulic steering or electric power-assisted steering, the torque value acted on a steering wheel is generally below 2N.m, and the no-load rotation torque of a steering column mechanical mechanism is generally about 0.1-0.3 N.m. The minimum measuring range of the existing steering wheel turning angle torquer in the market is 0.3-50N.m, and the existing steering wheel turning angle torquer is used for measuring the low torque value of the existing forklift steering device, so that the equipment precision is low, and the requirements cannot be met; therefore, a new miniature torque sensor needs to be designed to measure the low torque value of the forklift steering device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fork truck turns to device with low moment of torsion detection mechanism solves above-mentioned problem, can turn to the steering torque of device to fork truck and measure, and the test range is less than or equal to 3N.m, and the precision is less than or equal to 1% F.S, and installation, convenient operation, and test result graphical display conveniently measures the steering torque of fork truck under different states.
In order to achieve the above object, the utility model provides a following technical scheme: a forklift steering device with a low-torque detection mechanism comprises a forklift steering wheel 7, a steering column 9 and a steering gear assembly 11, wherein one end of the steering column 9 is fixedly connected with the steering gear assembly 11 through a mounting plate 10, the other end of the steering column is positioned in a mounting cavity 71 at the upper part of the forklift steering wheel 7 and is fixedly mounted on the forklift steering wheel 7 through a connecting nut 8,
the upper end of the forklift steering wheel 7 is provided with a low-torque detection mechanism, and the low-torque detection mechanism comprises a handheld turntable 1, a dynamic micro torque sensor 2, an electric power tester 4 and a computer 6;
one end of the dynamic micro torque sensor 2 is fixedly connected with the bottom of the handheld rotary table 1, and the other end of the dynamic micro torque sensor is fixedly arranged at the upper end of a forklift steering wheel 7, so that the handheld rotary table 1 and the forklift steering wheel 7 coaxially and synchronously rotate; the output end of the dynamic micro torque sensor 2 is connected with the input end of an electric power tester 4, and the output end of the electric power tester 4 is connected with a computer 6.
Further, the dynamic micro torque sensor 2 is provided with a connecting sleeve 3 corresponding to one end connected with the forklift steering wheel 7, and the connecting sleeve 3 is fixedly installed in the installation cavity 71, so that the low torque detection mechanism is fixedly installed on the forklift steering wheel 7.
Further, the cross section of connecting sleeve 3 is hexagon structure, and connecting sleeve 3 cover is established on coupling nut 8 for connecting sleeve 3 rotates and drives the coaxial synchronous rotation of fork truck steering wheel 7.
Further, the electric power tester 4 is a SIRIUSI type electric power tester, and the computer 6 receives the signal transmitted from the electric power tester 4 and directly outputs the torque value versus time.
The utility model has the advantages of:
the utility model discloses a fork truck turns to device with low moment of torsion detection mechanism, handheld carousel and the coaxial synchronous rotation of fork truck steering wheel among the low moment of torsion detection mechanism, and record fork truck rotation torque value through the miniature torque sensor of developments in real time, the test range is less than or equal to 3N.m, the precision is less than or equal to 1% F.S, the result that records simultaneously passes through electric power tester input computer, the relation curve of computer direct output torque value and time, and graphical display, convenient observation and the analysis to fork truck steering torque variation range.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the low torque detection mechanism of the present invention.
Fig. 3 is a graph of torque value versus time according to the present invention.
Wherein: 1-a hand-held turntable; 2-a dynamic micro torque sensor; 3-connecting the sleeve; 4-electric power tester; 5-a mobile power supply; 6-a computer; 7-forklift steering wheel; 71-a mounting cavity; 8-connecting a nut; 9-a steering column; 10-mounting a plate; 11-a steering gear assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
In order to achieve the above object, the utility model provides a following technical scheme: a forklift steering device with a low-torque detection mechanism comprises a forklift steering wheel 7, a steering column 9 and a steering gear assembly 11, wherein one end of the steering column 9 is fixedly connected with the steering gear assembly 11 through a mounting plate 10, the other end of the steering column is positioned in a mounting cavity 71 at the upper part of the forklift steering wheel 7 and is fixedly mounted on the forklift steering wheel 7 through a connecting nut 8,
the upper end of fork truck steering wheel 7 is equipped with low moment of torsion detection mechanism, low moment of torsion detection mechanism includes handheld carousel 1, miniature torque sensor 2 of developments, electric power tester 4 and computer 6.
The dynamic micro torque sensor 2 is correspondingly connected with one end of a forklift steering wheel 7 and is provided with a connecting sleeve 3, the cross section of the connecting sleeve 3 is of a hexagonal structure, the connecting sleeve 3 is sleeved on a connecting nut 8, and the connecting sleeve 3 is fixedly installed in an installation cavity 71. The other end of the dynamic micro torque sensor 2 is fixedly connected with the bottom of the handheld rotary table 1. When the hand-held turntable 1 is rotated, the torque is sequentially transmitted to the forklift steering wheel 7 through the dynamic micro torque sensor 2, the connecting sleeve 3 and the connecting nut 8, so that the forklift steering wheel 7 and the hand-held turntable 1 coaxially and synchronously rotate, and the steering function of the forklift is realized.
The output end of the dynamic micro torque sensor 2 is connected with the input end of an electric power tester 4, and the output end of the electric power tester 4 is connected with a computer 6. Wherein the dynamic micro torque sensor 2 is a WTQ-1050D dynamic micro torque sensor, the electric power tester 4 is a SIRIUSI type electric power tester, and the mobile power supply 5 provides electric energy for the electric power tester 4 in real time.
When the forklift steers, the dynamic micro torque sensor 2 can send out a certain amount of voltage signals in real time according to the torque received during rotation, the voltage signals can be transmitted to the electric power tester 4 through a lead, and the electric power tester 4 is connected with the computer 6. The computer 6 converts the real-time voltage signal output by the dynamic micro torque sensor 2 into a real-time torque curve, and finally displays the real-time torque curve in a graph form, as shown in fig. 3. The testing range of the dynamic micro torque sensor 2 is less than or equal to 3N.m, and the precision is less than or equal to +/-1 percent F.S. The change range of the steering torque of the forklift is conveniently observed and analyzed according to the real-time torque curve, and the solution and quality improvement of related problems are facilitated.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A forklift steering device with a low-torque detection mechanism comprises a forklift steering wheel (7), a steering column (9) and a steering gear assembly (11), wherein one end of the steering column (9) is fixedly connected with the steering gear assembly (11) through a mounting plate (10), the other end of the steering column is positioned in a mounting cavity (71) at the upper part of the forklift steering wheel (7) and is fixedly mounted on the forklift steering wheel (7) through a connecting nut (8),
the method is characterized in that: the upper end of the forklift steering wheel (7) is provided with a low-torque detection mechanism, and the low-torque detection mechanism comprises a handheld turntable (1), a dynamic micro torque sensor (2), an electric power tester (4) and a computer (6);
one end of the dynamic micro torque sensor (2) is fixedly connected with the bottom of the handheld rotary table (1), and the other end of the dynamic micro torque sensor is fixedly arranged at the upper end of a forklift steering wheel (7), so that the handheld rotary table (1) and the forklift steering wheel (7) coaxially and synchronously rotate; the output end of the dynamic micro torque sensor (2) is connected with the input end of the electric power tester (4), and the output end of the electric power tester (4) is connected with the computer (6).
2. The forklift steering device with the low-torque detection mechanism according to claim 1, wherein: one end of the dynamic micro torque sensor (2) which is correspondingly connected with a forklift steering wheel (7) is provided with a connecting sleeve (3), and the connecting sleeve (3) is fixedly installed in the installation cavity (71), so that the low torque detection mechanism is fixedly installed on the forklift steering wheel (7).
3. The forklift steering device with the low-torque detection mechanism according to claim 2, wherein: the cross section of the connecting sleeve (3) is of a hexagonal structure, and the connecting sleeve (3) is sleeved on the connecting nut (8) so that the connecting sleeve (3) rotates to drive the forklift steering wheel (7) to rotate coaxially and synchronously.
4. The forklift steering device with the low-torque detection mechanism according to claim 1, wherein: the electric power tester (4) is a SIRIUSI type electric power tester, and the computer (6) receives signals transmitted by the electric power tester (4) and directly outputs a relation curve of a torque value and time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921844301.7U CN211281189U (en) | 2019-10-30 | 2019-10-30 | Forklift steering device with low-torque detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921844301.7U CN211281189U (en) | 2019-10-30 | 2019-10-30 | Forklift steering device with low-torque detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211281189U true CN211281189U (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921844301.7U Active CN211281189U (en) | 2019-10-30 | 2019-10-30 | Forklift steering device with low-torque detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211281189U (en) |
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2019
- 2019-10-30 CN CN201921844301.7U patent/CN211281189U/en active Active
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