Angle monitoring assembly, lifter assembly and tractor
By designing an angle monitoring assembly with axial motion margin, the problem of existing angle sensors being susceptible to damage when displaced axially, achieving higher adaptability and stability.
Patent Information
- Application Number
- CN202421625736.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-10
AI Technical Summary
Existing angle sensors are easily damaged and cause failure when the lift shaft and the lift holder are displaced axially, causing a malfunction.
An angle monitoring assembly is designed, including a mandrel, a mounting shell and an angle sensor. The mandrel and the induction shaft of the angle sensor are coaxially distributed, and have a moving margin in the axial direction. The installation shell is hollow, the mandrel can be rotatably connected, and the induction shaft can be driven.
Through this design, the angle sensor is installed on the mounting housing, and the transmission connection between the mandrel and the induction shaft is stable, adaptable, and has good stability during operation, avoiding faults caused by axial displacement.
Smart Images
Figure CN222776571U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tractors, and in particular relates to an angle monitoring assembly, a lifting device assembly and a tractor. Background Art
[0002] The lifter at the rear end of the tractor is mainly used to hang the work tool. It is a standard part installed on the tractor. Compared with the existing traditional mechanical lifters, the electric lifter has the advantages of simple operation and labor saving. The angle sensor is a key electrical component of the electric lifter. Its installation accuracy and stability directly affect the use of the electric lifter. Currently, most of the existing angle sensors are directly installed on the lifting shaft and the lifting shaft support. However, when the lifting shaft is axially displaced relative to the lifter support, the angle sensor will be damaged, and then a failure will occur. Utility Model Content
[0003] In order to solve the above technical problems, one of the objectives of the utility model is to provide an angle monitoring assembly with a simple structure and simple assembly, and an axial movable margin between the core shaft and the angle sensor.
[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: an angle monitoring assembly, comprising a core shaft, a mounting shell and an angle sensor, the angle sensor having a sensing shaft, the mounting shell being hollow inside, one end of the core shaft passing through the mounting shell and being rotatably connected relative to the mounting shell, the angle sensor being mounted on the mounting shell and being distributed relative to the core shaft, and the sensing shaft passing through the mounting shell and being rotatably connected relative to the mounting shell, the sensing shaft being coaxially distributed with the core shaft, and the sensing shaft being transmission-connected to one end of the core shaft located in the mounting shell, and the sensing shaft and the core shaft having a movable margin in the axial direction.
[0005] The beneficial effect of the above technical solution is that the angle sensor is installed through the mounting shell, and the core shaft can rotate relative to the mounting shell and is transmission-connected to the sensing shaft of the angle sensor, and the core shaft can move axially relative to the sensing shaft of the angle sensor, so that there is a certain amount of axial margin between the core shaft of the entire angle monitoring assembly and the mounting shell, thereby making it highly adaptable and having good stability during operation.
[0006] In the above technical solution, two limit pins are protruded axially at one end of the core shaft located in the mounting shell, and the two limit pins are at the edges of the corresponding ends of the core shaft with a gap between them. A transmission pin is vertically arranged at one end of the induction shaft located in the mounting shell, and one end of the transmission pin is clamped between the two limit pins.
[0007] The beneficial effect of the above technical solution is that when the core shaft moves axially relative to the mounting housing, the transmission pin can slide axially between the two fiber pins along the core shaft without affecting the transmission connection between the core shaft and the induction shaft.
[0008] In the above technical solution, second skirts are further provided on both sides of the angle sensor, second mounting holes are provided on the second skirts, and first connecting screw holes aligned with the second mounting holes are provided on the mounting shell. The second mounting holes are aligned with the first connecting screw holes and a first bolt is inserted through them to mount the angle sensor on the mounting shell.
[0009] The beneficial effect of the above technical solution is that the angle sensor can be mounted on the mounting shell by the first bolt, so that the angle sensor can be easily disassembled for maintenance or replacement.
[0010] The mounting shell in the above technical solution includes a slot shell and an end cover, the core shaft passes through the bottom wall of the slot shell and is vertically rotatably connected to the bottom wall of the slot shell, the angle sensor is installed on the end cover, and its sensing shaft passes through the middle part of the end cover and is rotatably connected to the end cover, and the end cover is arranged at the notch of the slot shell and is connected to the slot shell.
[0011] The beneficial effect of the above technical solution is that the tank shell and the end cover can be disassembled to perform maintenance on the transmission connection between the induction shaft and the core shaft.
[0012] In the above technical solution, the notch end of the trough shell is circumferentially spaced and recessed with a plurality of second connecting screw holes, and the edge of the end cover is circumferentially spaced and recessed with a plurality of third mounting holes. The plurality of second connecting screw holes corresponds one to one with the plurality of third mounting holes and is aligned with each other. A second bolt is inserted into the corresponding second connecting screw holes and third mounting holes to mount the end cover at the notch of the trough shell.
[0013] The above technical solution also includes a shell cover, which is installed on the end cover and together with the end cover forms a protective cavity, and the angle sensor is located in the protective cavity.
[0014] The beneficial effect of the above technical solution is that the angle sensor can be protected by the shell cover, thereby preventing the angle sensor from being damaged by external collisions.
[0015] In the above technical solution, the notch side of the shell cover is provided with a first skirt turned outward, and at least two first mounting holes are provided on the first skirt, and each of the first mounting holes corresponds to and is aligned with any one of the third mounting holes for the corresponding second bolt to pass through, and the shell cover is assembled on the end cover by the corresponding second bolt.
[0016] The beneficial effect of the above technical solution is that the shell cover and the end cover share a plurality of second bolts for installation, which makes assembly simpler and allows for more convenient disassembly, assembly and maintenance.
[0017] The second purpose of the utility model is to provide a lifter assembly which has a simple structure and is easy to install and can adapt to the axial relative displacement between the lifting shaft and the lifting shaft support.
[0018] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: a lifter assembly, including a lifter body and the angle monitoring assembly as described above, the lifter body having a lifting shaft and a lifting shaft support, and the lifting shaft is rotatably connected to the lifting shaft support, the core shaft is coaxially fixedly connected to one end of the lifting shaft, and the mounting shell is fixedly installed on the lifting shaft support.
[0019] The beneficial effect of the above technical solution is that the angle sensor is installed on the lifting shaft support through the mounting shell, and the sensing shaft of the angle sensor is coaxially connected to the lifting shaft through the core shaft, and there is an active transmission connection between the sensing shaft and the core shaft, so that even if the lifting shaft and the lifting shaft support undergo relative displacement along the axial direction, the transmission connection between the core shaft and the sensing shaft will not be affected.
[0020] In the above technical solution, a fourth mounting hole is coaxially arranged on the core shaft, and a third connecting screw hole is coaxially recessed on the corresponding end of the lifting shaft. The fourth mounting hole is aligned with the third connecting screw hole and a third bolt is inserted to coaxially fix the core shaft and the lifting shaft. A fifth mounting hole is arranged on the mounting shell, and a fourth connecting screw hole is recessed on the lifting shaft support. The fifth mounting hole is aligned with the fourth connecting screw hole and a fourth bolt is inserted to mount the mounting shell on the lifting shaft support.
[0021] The beneficial effect of the above technical solution is that the core shaft is connected to the lifting shaft by the third bolt, and the mounting shell is connected to the lifting shaft support by the fourth bolt. At this time, the entire angle monitoring assembly can be easily disassembled and assembled on the lifter body.
[0022] The third purpose of the utility model is to provide a tractor with simple structure and good stability.
[0023] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: a tractor comprises the lifter assembly as described above.
[0024] The beneficial effects of the above technical solution are: it has a simple structure and good stability during operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1It is a partial cross-sectional view of the angle monitoring assembly described in Example 1 of the utility model in a side view state;
[0026] Figure 2 It is a partial cross-sectional view of the angle monitoring assembly described in Example 1 of the utility model at another angle;
[0027] Figure 3 A bottom view of the angle monitoring assembly described in Example 1 of the utility model;
[0028] Figure 4 It is a cross-sectional view of the angle monitoring assembly described in Example 1 of the utility model at the housing;
[0029] Figure 5 It is a vertical view of the core shaft and two limit pins described in Example 1 of the utility model;
[0030] Figure 6 This is an exploded view of the mounting shell, the angle sensor and the shell cover described in Example 1 of the utility model;
[0031] Figure 7 This is a schematic structural diagram of the lifter assembly described in Example 2 of the utility model.
[0032] In the figure: 1 angle monitoring assembly; 11 spindle; 111 limit pin; 112 fourth mounting hole; 12 mounting shell; 121 slot shell; 1211 second connecting screw hole; 1212 fifth mounting hole; 122 end cover; 1221 third mounting hole; 1222 first connecting screw hole; 123 second bolt; 13 angle sensor; 131 sensing shaft; 132 transmission pin; 133 second skirt; 134 second mounting hole; 135 first bolt; 14 shell cover; 141 first skirt; 142 first mounting hole; 2 lifter body; 21 lifting shaft; 211 third connecting screw hole; 22 lifting shaft support; 221 fourth connecting screw hole; 3 third bolt; 4 fourth bolt. DETAILED DESCRIPTION
[0033] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.
[0034] Example 1
[0035] like Figure 1-Figure 4As shown, this embodiment provides an angle monitoring assembly, including a core shaft 11, a mounting shell 12 and an angle sensor 13, wherein the angle sensor 13 has a sensing shaft 131, the mounting shell 12 is hollow inside, one end of the core shaft 11 passes through the mounting shell 12 and can be rotatably connected relative to the mounting shell 12, the angle sensor 13 is installed on the mounting shell 12 and is distributed relative to the core shaft 11, and the sensing shaft 131 passes through the mounting shell 12 and can be rotatably connected relative to the mounting shell 12, and the sensing shaft 131 is coaxial with the core shaft 11. The sensing shaft 131 is transmission-connected with one end of the core shaft 11 in the mounting shell 12, and the sensing shaft 131 and the core shaft 11 have an axial margin of activity, so that the angle sensor is installed through the mounting shell, and the core shaft can rotate relative to the mounting shell, and is transmission-connected with the sensing shaft of the angle sensor, and the core shaft can move axially relative to the sensing shaft of the angle sensor, so that the core shaft of the entire angle monitoring assembly and the mounting shell also have a certain axial margin of activity, so that it has strong adaptability and good stability during operation.
[0036] See Figure 1 , Figure 2 and Figure 5 As shown, in the above technical solution, one end of the core shaft 11 located in the mounting shell 12 is provided with two limit pins 111 axially protruding, and the two limit pins 111 are at the edges of the corresponding ends of the core shaft 11, and there is a gap between the two, and one end of the sensing shaft 131 located in the mounting shell 12 is vertically provided with a transmission pin 132, and one end of the transmission pin 132 is clamped between the two limit pins 111, so that when the core shaft moves axially relative to the mounting shell, the transmission pin can slide between the two fiber pins along the axial direction of the core shaft, but does not affect the transmission connection between the core shaft and the sensing shaft.
[0037] like Figure 2 , Figure 4 and Figure 6 As shown, in the above technical solution, second skirts 133 are further provided on both sides of the angle sensor 13, and second mounting holes 134 are provided on the second skirts 133. The mounting shell 12 is provided with first connecting screw holes 1222 aligned with the second mounting holes 134. The second mounting holes 134 are aligned with the first connecting screw holes 1222 and a first bolt 135 is inserted to mount the angle sensor 13 on the mounting shell 12, so that the angle sensor can be mounted on the mounting shell by the first bolt, so that the angle sensor can be easily disassembled for maintenance or replacement.
[0038] like Figure 1 , Figure 2 and Figure 6As shown, the mounting shell 12 in the above technical solution includes a slot shell 121 and an end cover 122, the core shaft 11 passes through the bottom wall of the slot shell 121 and is vertically rotatably connected to the bottom wall of the slot shell 121, the angle sensor 13 is installed on the end cover 122, and its sensing shaft 131 passes through the middle part of the end cover 122 and is rotatably connected to the end cover 122, the end cover 122 is covered at the notch of the slot shell 121 and is connected to the slot shell 121, so that the slot shell and the end cover can be disassembled to maintain the transmission connection between the sensing shaft and the core shaft.
[0039] like Figure 6 As shown, in the above technical solution, a plurality of second connecting screw holes 1211 are circumferentially spaced apart at the notch end of the trough shell 121, and a plurality of third mounting holes 1221 are circumferentially spaced apart at the edge of the end cover 122. The plurality of second connecting screw holes 1211 correspond one to one with the plurality of third mounting holes 1221 and are aligned with each other. A second bolt 123 is inserted into the corresponding second connecting screw holes 1211 and the third mounting holes 1221 to mount the end cover 122 at the notch of the trough shell 121. The structure is simple and the end cover is easy to disassemble and assemble relative to the trough shell.
[0040] like Figure 1-Figure 3 , Figure 4 and Figure 6 As shown, the above technical solution also includes a shell cover 14, which is installed on the end cover 122 and together with the end cover 122 to form a protective cavity, and the angle sensor 13 is located in the protective cavity, so that the shell cover can protect the angle sensor, thereby preventing the angle sensor from being damaged by external collisions. Specifically, the notch side of the shell cover 14 is provided with a first skirt 141 turned outward, and at least two first mounting holes 142 are provided on the first skirt 141, and each of the first mounting holes corresponds to and is aligned with any one of the third mounting holes 1221 for the corresponding second bolt 123 to pass through, and the shell cover 14 is assembled on the end cover 122 through the corresponding second bolt 123, so that the shell cover and the end cover share a number of second bolts for installation, which makes assembly simpler and more convenient for disassembly, assembly and maintenance.
[0041] In this embodiment, the tank shell is a circular tank body, the end cover is a circular plate, and the diameter of the end cover is consistent with the outer diameter of the tank shell. Four second bolts can be provided, and the shell cover is fastened to the end cover by two of the second bolts, and the end cover is fastened to the tank shell by four second bolts.
[0042] The shell cover in this embodiment is in the shape of a slot, and a notch is concavely provided at the slot opening side of the slot side wall for the power supply line of the angle sensor to pass through.
[0043] In this embodiment, through holes can be set in the middle of the end cover and the middle of the bottom wall of the slot shell. The through hole in the middle of the end cover is for the induction shaft to pass through. At this time, there may be an annular gap between the induction shaft and the hole wall of the through hole on the end cover, that is, the induction shaft does not contact the end cover. Similarly, the through hole in the bottom wall of the slot shell is for the core shaft to pass through. There may also be an annular gap between the core shaft and the hole wall of the through hole on the slot shell, that is, the core shaft does not contact the slot shell.
[0044] Example 2
[0045] like Figure 7 As shown, this embodiment provides a lifter assembly, including a lifter body 2 and an angle monitoring assembly 1 as described in Example 1, wherein the lifter body 2 has a lifting shaft 21 and a lifting shaft support 22, and the lifting shaft 21 is rotatably connected to the lifting shaft support 22, the core shaft 11 is coaxially fixedly connected to one end of the lifting shaft 21, and the mounting shell 12 is fixedly mounted on the lifting shaft support 22. In this way, the angle sensor is mounted on the lifting shaft support through the mounting shell, and the sensing shaft of the angle sensor is coaxially connected to the lifting shaft through the core shaft, and the sensing shaft and the core shaft are in a movable transmission connection, so that even if the lifting shaft and the lifting shaft support are relatively displaced in the axial direction, the transmission connection between the core shaft and the sensing shaft will not be affected.
[0046] See Figure 1-Figure 3 and Figure 5 As shown, in the above technical scheme, a fourth mounting hole 112 is coaxially arranged on the core shaft 11, and a third connecting screw hole 211 is coaxially recessed on the corresponding end of the lifting shaft 21. The fourth mounting hole 112 is aligned with the third connecting screw hole 211 and a third bolt 3 is inserted to coaxially fix the core shaft 11 with the lifting shaft 21, and a fifth mounting hole 1212 is arranged on the mounting shell 12, and a fourth connecting screw hole 221 is recessed on the lifting shaft support 22. The fifth mounting hole 1212 is aligned with the fourth connecting screw hole 221 and a fourth bolt 4 is inserted to install the mounting shell 12 on the lifting shaft support 22, so that the core shaft is connected to the lifting shaft by the third bolt, and the mounting shell is connected to the lifting shaft support by the fourth bolt. At this time, the entire angle monitoring assembly can be easily disassembled and assembled on the lifter body.
[0047] Example 3
[0048] This embodiment provides a tractor, including the lifter assembly as described in Embodiment 2, which has a simple structure and good stability during operation.
[0049] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.
Claims
1. An angle monitoring assembly, characterized in that: The invention comprises a core shaft (11), a mounting shell (12) and an angle sensor (13), wherein the angle sensor (13) has a sensing shaft (131), the mounting shell (12) is hollow inside, one end of the core shaft (11) passes through the mounting shell (12) and is rotatably connected relative to the mounting shell (12), the angle sensor (13) is mounted on the mounting shell (12) and is arranged opposite to the core shaft (11), the sensing shaft (131) passes through the mounting shell (12) and is rotatably connected relative to the mounting shell (12), the sensing shaft (131) is coaxially arranged with the core shaft (11), the sensing shaft (131) is transmission-connected with one end of the core shaft (11) located in the mounting shell (12), and the sensing shaft (131) and the core shaft (11) have a movable margin in the axial direction.
2. The angle monitoring assembly according to claim 1, characterized in that: One end of the core shaft (11) located in the mounting shell (12) is provided with two limit pins (111) protruding along the axial direction, and the two limit pins (111) are at the edges of the corresponding ends of the core shaft (11), and there is a gap between the two. One end of the induction shaft (131) located in the mounting shell (12) is vertically provided with a transmission pin (132), and one end of the transmission pin (132) is clamped between the two limit pins (111).
3. The angle monitoring assembly according to claim 1, characterized in that: The angle sensor (13) is also provided with a second skirt (133) on both sides, and a second mounting hole (134) is provided on the second skirt (133). The mounting shell (12) is provided with a first connecting screw hole (1222) aligned with the second mounting hole (134). The second mounting hole (134) is aligned with the first connecting screw hole (1222) and a first bolt (135) is inserted therethrough, so as to mount the angle sensor (13) on the mounting shell (12).
4. The angle monitoring assembly according to claim 1, characterized in that: The mounting shell (12) comprises a slot shell (121) and an end cover (122); the core shaft (11) passes through the bottom wall of the slot shell (121) and is vertically rotatably connected to the bottom wall of the slot shell (121); the angle sensor (13) is mounted on the end cover (122), and its sensing shaft (131) passes through the middle of the end cover (122) and is rotatably connected to the end cover (122); the end cover (122) is arranged at the notch of the slot shell (121) and is connected to the slot shell (121).
5. The angle monitoring assembly according to claim 4, characterized in that: A plurality of second connecting screw holes (1211) are circumferentially spaced apart at the notch end of the trough shell (121), and a plurality of third mounting holes (1221) are circumferentially spaced apart at the edge of the end cover (122). The plurality of second connecting screw holes (1211) correspond to the plurality of third mounting holes (1221) one by one and are aligned with each other. A second bolt (123) is inserted into the corresponding second connecting screw holes (1211) and the third mounting holes (1221) so as to mount the end cover (122) at the notch of the trough shell (121).
6. The angle monitoring assembly according to claim 5, characterized in that: It also comprises a shell cover (14), wherein the shell cover (14) is mounted on the end cover (122) and together with the end cover (122) forms a protective cavity, and the angle sensor (13) is located in the protective cavity.
7. The angle monitoring assembly according to claim 6, characterized in that: The notch side of the shell cover (14) is provided with a first skirt (141) turned outward, and at least two first mounting holes (142) are provided on the first skirt (141), and each of the first mounting holes corresponds to and is aligned with any one of the third mounting holes (1221) so as to allow the corresponding second bolt (123) to pass through, and the shell cover (14) is assembled on the end cover (122) by means of the corresponding second bolt (123).
8. A lift assembly, characterized in that: It comprises a lifter body (2) and an angle monitoring assembly (1) as described in any one of claims 1 to 7, wherein the lifter body (2) has a lifting shaft (21) and a lifting shaft support (22), and the lifting shaft (21) is rotatably connected to the lifting shaft support (22), the core shaft (11) is coaxially fixedly connected to one end of the lifting shaft (21), and the mounting shell (12) is fixedly mounted on the lifting shaft support (22).
9. The lift assembly according to claim 8, characterized in that: A fourth mounting hole (112) is coaxially provided on the core shaft (11), and a third connecting screw hole (211) is coaxially recessed on the corresponding end of the lifting shaft (21). The fourth mounting hole (112) is aligned with the third connecting screw hole (211) and a third bolt (3) is inserted through it, so as to coaxially fix the core shaft (11) and the lifting shaft (21). A fifth mounting hole (1212) is provided on the mounting shell (12), and a fourth connecting screw hole (221) is recessed on the lifting shaft support (22). The fifth mounting hole (1212) is aligned with the fourth connecting screw hole (221) and a fourth bolt (4) is inserted through it, so as to mount the mounting shell (12) on the lifting shaft support (22).
10. A tractor, characterized in that: Comprising the lifter assembly as claimed in claim 8 or 9.