Sensor mounting structure for tractor suspension force measurement

Abstract

The utility model relates to the technical field of sensors, and discloses a sensor mounting structure for tractor suspension force measurement, which comprises a tractor suspension bracket, a lower pull rod is rotatably connected to the bottom of one side of the tractor suspension bracket, and a first upper pull rod is rotatably connected to the top of one side of the tractor suspension bracket. A tension sensor is fixedly installed at one end of the first upper pull rod, a second upper pull rod is fixedly installed at one end of the tension sensor, opening grooves are formed in the two sides of the top of the tension sensor, universal horizontal bubbles are arranged in the opening grooves, and adjusting mechanisms are rotationally connected to the outer sides of the universal horizontal bubbles; the problems that an upper pull rod of an existing tension sensor is generally installed through a bolt and a nut, parallelism errors easily exist on the surfaces of the bolt and the nut and installation faces on the two sides of the sensor, the errors may cause inclination or distortion of the sensor when the sensor is stressed, and therefore the measurement precision is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a sensor installation structure for tractor suspension force measurement. Background Art

[0002] Tractor suspension is an important part that connects farm implements or other attachments to the tractor. It ensures the stability and reliability of farm implements during operation. Tractor suspension usually includes multiple components, such as suspension arms, upper tie rods, lower tie rods, limit devices, etc. These components work together to achieve the mounting, adjustment and stability of farm implements. The tension sensor can measure the tension on the upper tie rod in real time and accurately, which is the key to ensure the stability and safety of farm implements during operation. By monitoring the tension value, the operation status can be discovered and adjusted in time to avoid operation quality problems caused by overload or underload.

[0003] Existing tension sensors are generally installed on the upper pull rod using bolts and nuts. However, the surfaces of the bolts and nuts and the mounting surfaces on both sides of the sensor are prone to parallelism errors. These errors may cause the sensor to tilt or twist when subjected to force, thereby affecting the measurement accuracy. Utility Model Content

[0004] The utility model provides a sensor installation structure for tractor suspension force measurement, which has the beneficial effect of being able to be installed horizontally, and solves the problem mentioned in the above background technology that the existing tension sensor is generally installed on the upper pull rod using bolts and nuts, and the surfaces of the bolts and nuts and the installation surfaces on both sides of the sensor are prone to parallelism errors. These errors may cause the sensor to tilt or twist when subjected to force, thereby affecting the measurement accuracy.

[0005] The utility model provides the following technical solution: a sensor installation structure for tractor suspension force measurement, comprising a tractor suspension frame, a bottom of one side of the tractor suspension frame is rotatably connected to a lower pull rod, a top of one side of the tractor suspension frame is rotatably connected to a first upper pull rod, one end of the first upper pull rod is fixedly installed with a tension sensor, one end of the tension sensor is fixedly installed with a second upper pull rod, both sides of the top of the tension sensor are provided with open grooves, a universal level bubble is arranged inside the open groove, the outer side of the universal level bubble is rotatably connected to an adjustment mechanism, and the adjustment mechanism can drive the universal level bubble to rotate.

[0006] As an optional scheme for the installation structure of the sensor for tractor suspension force measurement described in the utility model, the adjustment mechanism includes a connecting shaft, one end of the connecting shaft is fixedly connected to a fixing block, one side of the fixing block is fixedly connected to a screw sleeve, the internal thread of the screw sleeve is connected to a screw rod, and one end of the screw rod is fixedly connected to an adjustment knob.

[0007] As an optional scheme for the installation structure of the sensor for tractor suspension force measurement described in the utility model, the outer side of the universal level bubble is provided with a sleeve, the sleeve is rotatably connected to the adjustment knob, the other end of the screw is rotatably connected to a base, and one side of the base is fixedly connected to the inner wall of the sleeve.

[0008] As an optional solution of the installation structure of the sensor for tractor suspension force measurement of the utility model, a folding plate is fixedly connected to one side of the sleeve, and the side wall of the folding plate is rotatably connected to the inner wall of the opening groove.

[0009] As an optional solution for the installation structure of the sensor for tractor suspension force measurement of the utility model, wherein: both sides of the inner wall of the sleeve are provided with storage grooves, the inner side of the storage groove is rotatably connected to a rotating shaft, and one side of the rotating shaft is fixedly connected to a rotating plate.

[0010] As an optional solution of the installation structure of the sensor for tractor suspension force measurement of the utility model, one side of the rotating plate is fixedly connected with a shock-absorbing pad, and one side of the shock-absorbing pad is in conflict with the universal level bubble.

[0011] As an optional scheme for the installation structure of the sensor for tractor suspension force measurement described in the utility model, the number of the storage slots and the rotating shafts are four, and the four storage slots and the rotating shafts are symmetrically arranged, a connecting column is rotatably connected between the upper and lower rotating shafts, and the connecting column is rotatably connected to the inner wall of the sleeve.

[0012] As an optional solution of the installation structure of the sensor for tractor suspension force measurement of the utility model, a fixing ring is fixedly connected to the outer side of the connecting column, a fixing groove is opened inside the sleeve, and the fixing ring is slidably connected to the fixing groove.

[0013] The utility model has the following beneficial effects:

[0014] 1. The sensor installation structure for tractor suspension force measurement is provided with a universal level bubble and an adjustment mechanism. During installation, the folding plate can be rotated so that the folding plate drives the sleeve to rotate the universal level bubble out, and then the adjustment knob is rotated to move the universal level bubble downward. Then, the universal level bubble can be rotated through the connecting shaft so that the universal level bubble can fit the first upper pull rod and the second upper pull rod as much as possible after moving downward. At this time, it can be judged whether the installation of the tension sensor and the first upper pull rod and the second upper pull rod is horizontal according to the universal level bubble. If not, the installation of the tension sensor can be adjusted to prevent the tension sensor from being installed at a different level from the upper pull rod, thereby improving the installation efficiency of the tension sensor.

[0015] 2. The sensor installation structure for tractor suspension force measurement is provided with a storage groove, a rotating shaft, a rotating plate and a shock-absorbing pad. In the initial state, the rotating shaft is rotated out of the storage groove, and the rotating plate contacts the universal level bubble through the shock-absorbing pad. After the universal level bubble is clamped and fixed by the shock-absorbing pad, the universal level bubble can be prevented from being damaged due to the vibration of the tractor when it is folded, thereby improving the protection capability of the universal level bubble. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a structural schematic diagram of the first upper pull rod and the tension sensor of the utility model.

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the sleeve of the utility model.

[0019] Figure 4 The utility model is a schematic structural diagram of a state where the shock-absorbing pad of the utility model is stored in a storage groove.

[0020] Figure 5 For this utility model Figure 4 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. tractor suspension frame; 2. lower pull rod; 3. first upper pull rod; 4. tension sensor; 5. second upper pull rod; 6. open slot; 7. universal level bubble; 801. connecting shaft; 802. fixing block; 803. screw sleeve; 804. screw rod; 805. adjusting knob; 806. sleeve; 807. base; 808. folding plate; 10. storage slot; 11. rotating shaft; 12. rotating plate; 13. shock-absorbing pad; 14. connecting column; 15. fixing ring; 16. fixing slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figures 1 to 5A sensor installation structure for tractor suspension force measurement includes a tractor suspension frame 1, a lower pull rod 2 is rotatably connected to the bottom of one side of the tractor suspension frame 1, a first upper pull rod 3 is rotatably connected to the top of one side of the tractor suspension frame 1, a tension sensor 4 is fixedly installed on one end of the first upper pull rod 3, a second upper pull rod 5 is fixedly installed on one end of the tension sensor 4, open grooves 6 are provided on both sides of the top of the tension sensor 4, a universal level bubble 7 is arranged inside the open groove 6, an outer side of the universal level bubble 7 is rotatably connected to an adjustment mechanism, and the adjustment mechanism can drive the universal level bubble 7 to rotate.

[0025] The adjusting mechanism comprises a connecting shaft 801, one end of which is fixedly connected to a fixing block 802, one side of which is fixedly connected to a screw sleeve 803, the inner thread of the screw sleeve 803 is connected to a screw rod 804, and one end of the screw rod 804 is fixedly connected to an adjusting knob 805.

[0026] The outer side of the universal level bubble 7 is sleeved with a sleeve 806 , which is rotatably connected to the adjustment knob 805 . The other end of the screw rod 804 is rotatably connected to a base 807 , and one side of the base 807 is fixedly connected to the inner wall of the sleeve 806 .

[0027] A folding plate 808 is fixedly connected to one side of the sleeve 806 , and a side wall of the folding plate 808 is rotatably connected to the inner wall of the opening groove 6 .

[0028] Working principle of this embodiment: When installing the tension sensor 4 by screws, firstly, tap the first upper pull rod 3 and the second upper pull rod 5, and then install it by screws. During installation, the folding plate 808 can be rotated to make the folding plate 808 drive the sleeve 806 to rotate it 180 degrees, and then the adjusting knob 805 can be rotated, and the adjusting knob 805 drives the screw rod 804 to rotate, and the screw rod 804 drives the screw sleeve 803 to move downward, and the screw sleeve 803 drives the universal level bubble 7 to move downward through the fixed block 802 and the connecting shaft 801, and then the connecting shaft 801 can be used to rotate the adjusting knob 805. 801 rotates the universal level bubble 7 so that the universal level bubble 7 moves downward and fits with the first upper pull rod 3 and the second upper pull rod 5 as much as possible. At this time, the universal level bubble 7 can be used to determine whether the installation of the tension sensor 4 and the first upper pull rod 3 and the second upper pull rod 5 is horizontal. If not, the installation of the tension sensor 4 can be adjusted. When the installation of the universal level bubble 7 is completed, the user can reversely rotate the folding plate 808 again to retract the universal level bubble 7 into the open groove 6 at the top of the tension sensor 4 to prevent the exposed universal level bubble 7 from affecting the use of the tension sensor 4.

[0029] Embodiment 2

[0030] This embodiment is an improvement made on the basis of the first embodiment. For details, please refer to Figures 1 to 5Receiving grooves 10 are provided on both sides of the inner wall of the sleeve 806 , and a rotating shaft 11 is rotatably connected to the inner side of the receiving groove 10 , and a rotating plate 12 is fixedly connected to one side of the rotating shaft 11 .

[0031] A shock-absorbing pad 13 is fixedly connected to one side of the rotating plate 12 , and one side of the shock-absorbing pad 13 is in contact with the universal horizontal bubble 7 .

[0032] By providing the storage groove 10, the rotating shaft 11, the rotating plate 12 and the shock-absorbing pad 13, in the initial state, the rotating shaft 11 is rotated out from the storage groove 10, and the rotating plate 12 contacts the universal level bubble 7 through the shock-absorbing pad 13. After the universal level bubble 7 is clamped and fixed by the shock-absorbing pad 13, the universal level bubble 7 can be prevented from being damaged due to the vibration of the tractor when it is folded, thereby improving the protection capability of the universal level bubble 7.

[0033] There are four receiving slots 10 and four rotating shafts 11 , and the four receiving slots 10 and the rotating shafts 11 are symmetrically arranged. A connecting column 14 is rotatably connected between the upper and lower rotating shafts 11 , and the connecting column 14 is rotatably connected to the inner wall of the sleeve 806 .

[0034] By setting the connecting column 14, the two rotating shafts 11, one above and one below, can be connected. When one of the rotating shafts 11 is rotated, the other rotating shaft 11 will be driven by the connecting column 14 to rotate synchronously, thereby ensuring that the rotating shaft 11 can accurately clamp the universal level bubble 7 through the shock-absorbing pad 13.

[0035] A fixing ring 15 is fixedly connected to the outer side of the connecting column 14 , a fixing groove 16 is formed inside the sleeve 806 , and the fixing ring 15 is slidably connected to the fixing groove 16 .

[0036] The fixing ring 15 and the fixing groove 16 can play a limiting role when the connecting column 14 rotates, thereby preventing the connecting column 14 from shaking and shifting when rotating.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A sensor installation structure for tractor suspension force measurement, comprising a tractor suspension frame (1), characterized in that: The bottom of one side of the tractor suspension frame (1) is rotatably connected to a lower pull rod (2), and the top of one side of the tractor suspension frame (1) is rotatably connected to a first upper pull rod (3), one end of the first upper pull rod (3) is fixedly mounted with a tension sensor (4), and one end of the tension sensor (4) is fixedly mounted with a second upper pull rod (5), both sides of the top of the tension sensor (4) are provided with open grooves (6), a universal level bubble (7) is arranged inside the open groove (6), and the outer side of the universal level bubble (7) is rotatably connected to an adjustment mechanism, and the adjustment mechanism can drive the universal level bubble (7) to rotate.

2. The tractor suspension force measurement sensor installation structure according to claim 1, characterized in that: The adjustment mechanism comprises a connecting shaft (801), one end of the connecting shaft (801) is fixedly connected to a fixing block (802), one side of the fixing block (802) is fixedly connected to a screw sleeve (803), the inner thread of the screw sleeve (803) is connected to a screw rod (804), and one end of the screw rod (804) is fixedly connected to an adjustment knob (805).

3. The tractor suspension force measurement sensor installation structure according to claim 2, characterized in that: The outer side of the universal level bubble (7) is provided with a sleeve (806), and the sleeve (806) is rotatably connected to the adjustment knob (805). The other end of the screw rod (804) is rotatably connected to a base (807), and one side of the base (807) is fixedly connected to the inner wall of the sleeve (806).

4. The tractor suspension force measurement sensor installation structure according to claim 3, characterized in that: A folding plate (808) is fixedly connected to one side of the sleeve (806), and a side wall of the folding plate (808) is rotatably connected to the inner wall of the opening groove (6).

5. The tractor suspension force measurement sensor installation structure according to claim 3, characterized in that: Both sides of the inner wall of the sleeve (806) are provided with receiving grooves (10), the inner side of the receiving groove (10) is rotatably connected to a rotating shaft (11), and one side of the rotating shaft (11) is fixedly connected to a rotating plate (12).

6. The tractor suspension force measurement sensor installation structure according to claim 5, characterized in that: A shock-absorbing pad (13) is fixedly connected to one side of the rotating plate (12), and one side of the shock-absorbing pad (13) is in contact with the universal horizontal bubble (7).

7. The sensor installation structure for tractor suspension force measurement according to claim 5, characterized in that: The number of the receiving grooves (10) and the rotating shafts (11) is four, and the four receiving grooves (10) and the rotating shafts (11) are symmetrically arranged. A connecting column (14) is rotatably connected between the upper and lower rotating shafts (11), and the connecting column (14) is rotatably connected to the inner wall of the sleeve (806).

8. The sensor installation structure for tractor suspension force measurement according to claim 7, characterized in that: A fixing ring (15) is fixedly connected to the outer side of the connecting column (14), a fixing groove (16) is provided inside the sleeve (806), and the fixing ring (15) is slidably connected to the fixing groove (16).

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