CN215177627U - High-strength dual-redundancy displacement sensor pull rod linkage device - Google Patents
High-strength dual-redundancy displacement sensor pull rod linkage device Download PDFInfo
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- CN215177627U CN215177627U CN202120704317.9U CN202120704317U CN215177627U CN 215177627 U CN215177627 U CN 215177627U CN 202120704317 U CN202120704317 U CN 202120704317U CN 215177627 U CN215177627 U CN 215177627U
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Abstract
The utility model discloses a two redundant displacement sensor pull rod aggregate unit of high strength, including connecting rod, fixed cover, fender ring, end cover, sensor body, pull rod and connection pad, the one end of connecting rod is provided with the contact point, another pot head of connecting rod is equipped with the spacing ring, fixed cover and fender ring are located on the connecting rod from the one end cover that is close to the spacing ring in proper order, the end cover is fixed in the other end of connecting rod, just the end cover is disposed press to keep off ring and fixed cover, the sensor body is provided with two at least pull rod grooves along length direction, the one end of pull rod stretches into the pull rod inslot, the other end and the perpendicular fixed connection of connection pad of pull rod one side are kept away from to the connection pad with fixed cover fixed connection. The utility model adopts the design of double pull rods, the stability and firmness of the linear movement of the pull rod are good, the strength is higher, and the service life of the device is prolonged; the anaerobic adhesive layer is additionally arranged at the joint of the pull rod, so that the firmness is improved, and the oxidation corrosion of the pull rod is avoided.
Description
Technical Field
The utility model relates to a two redundant sensor pull rod fields especially relate to a two redundant displacement sensor pull rod aggregate unit of high strength.
Background
The displacement sensor continuously makes linear displacement motion according to the vibration or movement condition of the testing device, the frequent use of the pull rod is easy to cause loss, the service life is restricted, if a double-pull-rod or multi-pull-rod design is adopted, the strength of the pull rod is improved, the service performance of the pull rod can be enhanced, and the service life of the pull rod is prolonged;
meanwhile, if one group of pull rod coils breaks down, the other group of pull rod coils can continue to work, and the service life is prolonged.
Therefore, in combination with the above-mentioned technical problems, there is a need to provide a new technical solution.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the prior art, the utility model discloses a two pull rod designs, provides a simple structure, fastness and stability are good, and the higher high strength dual redundancy displacement sensor pull rod aggregate unit of intensity, concrete technical scheme as follows:
a high-strength dual-redundancy displacement sensor pull rod linkage device comprises a connecting rod, a fixed sleeve, a baffle ring, an end cover, a sensor body, a pull rod and a connecting disc;
one end of the connecting rod is provided with a contact point, the other end of the connecting rod is sleeved with a limiting ring, the fixed sleeve and the baffle ring are sequentially sleeved on the connecting rod from one end close to the limiting ring, the end cover is fixed at the other end of the connecting rod, and the end cover is configured to press the baffle ring and the fixed sleeve;
the sensor body is provided with at least two pull rod grooves along the length direction, one end of each pull rod extends into each pull rod groove, and the other end of each pull rod is vertically and fixedly connected with the connecting disc;
one side of the connecting disc, which is far away from the pull rod, is fixedly connected with the fixed sleeve.
Furthermore, the axial lead of the pull rod groove is consistent with the axial lead of the sensor body, the two pull rod grooves are symmetrically arranged in the sensor body, and the number of the pull rods is two.
Further, the connecting disc is coaxially arranged with the sensor body;
the outer diameter of the fixing sleeve is consistent with the outer diameter of the connecting disc, and the inner diameter of the fixing sleeve is consistent with the outer diameter of the connecting rod;
the limiting ring can limit and fix one side of the limiting ring.
Furthermore, an external thread is arranged at one end, close to the connecting disc, of the pull rod;
the connecting plate is provided with a connecting hole, an internal thread matched with the external thread is arranged in the connecting hole, and the pull rod is screwed in the connecting hole.
Furthermore, an anaerobic adhesive layer is coated at the joint of the pull rod and the connecting disc.
Furthermore, the fixed sleeve comprises a bearing and a bearing sleeve, the bearing sleeve is provided with a hollow cavity with two open ends, and the bearing is accommodated in the hollow cavity of the bearing sleeve.
Further, the hollow cavities comprise a first hollow cavity and a second hollow cavity, the first hollow cavity is communicated with the second hollow cavity, the second hollow cavities are respectively arranged on two sides of the first hollow cavity, and the inner diameter of the first hollow cavity is smaller than that of the second hollow cavity;
the bearing comprises a first bearing part and a second bearing part, the first bearing part is fixedly connected with the second bearing part, the first bearing part is accommodated in the first hollow cavity, the second bearing part is accommodated in the second hollow cavity, and bearings are respectively accommodated on two sides of the bearing sleeve.
Further, the outer diameter of the second bearing portion is larger than the inner diameter of the first hollow cavity, the inner diameter of the first hollow cavity is not smaller than the outer diameter of the first bearing portion, and the inner diameter of the second hollow cavity is not smaller than the outer diameter of the second bearing portion.
Furthermore, the connecting rod further comprises elastic washers, at least one elastic washer is arranged between the baffle ring and the end cover, the elastic washers are sleeved on the connecting rod in a penetrating mode, and the end cover is fixedly sleeved on the connecting rod through the tops of the elastic washers.
Furthermore, a flange plate is sleeved on the sensor body, and at least two fixing holes are formed in the flange plate;
the connecting disc is connected with the bearing sleeve in a welding mode.
Compared with the prior art, a two redundant displacement sensor pull rod aggregate unit of high strength, at least, have following one or more beneficial effect:
(1) the high-strength dual-redundancy displacement sensor pull rod linkage device has the advantages of simple structure, easy manufacture, low cost and convenient popularization;
(2) the high-strength dual-redundancy displacement sensor pull rod linkage device adopts the design of dual pull rods, the stability of the linear movement of the pull rods is good, the strength is higher, and under the condition that one group of pull rods breaks down, the other group of pull rods can continue to work, so that the service life of the device is prolonged;
(3) two redundancy displacement sensor pull rod aggregate unit of high strength, its pull rod sets up the anaerobic layer with the connection pad junction, has both increased the fastness of pull rod, improves pull rod strength, also prevents pull rod oxidation corrosion, prolongs the life of this device.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an explosion structure diagram of the high-strength dual-redundancy displacement sensor pull rod linkage device according to the present invention;
fig. 2 is a schematic sectional structure view of the high-strength dual-redundancy displacement sensor pull rod linkage device of the present invention;
fig. 3 is a schematic structural diagram of the bearing sleeve according to the present invention;
fig. 4 is a schematic structural diagram of the bearing according to the present invention.
The sensor comprises a connecting rod 1, a baffle ring 3, an end cover 4, a sensor body 5, a pull rod 6, a connecting disc 7, an elastic gasket 8, a contact point 11, a limiting ring 12, a bearing 21, a bearing sleeve 22, a first bearing part 211, a first bearing part 212, a second bearing part 221, a first hollow cavity 222, a second hollow cavity 51, a flange plate 511 and a fixing hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "one end", "one side", "the other side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "provided," "connected," "disposed," "fixed," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Please refer to fig. 1-4, fig. 1 is an explosion structure diagram of the high strength dual-redundancy displacement sensor pull rod linkage device, fig. 2 is a sectional structure diagram of the high strength dual-redundancy displacement sensor pull rod linkage device, fig. 3 is a structural diagram of the bearing housing, fig. 4 is a structural diagram of the bearing. As shown in fig. 1-2, a high-strength dual-redundancy displacement sensor pull rod linkage device comprises a connecting rod 1, a fixing sleeve, a baffle ring 3, an end cover 4, a sensor body 5, a pull rod 6 and a connecting disc 7;
the one end of connecting rod 1 is provided with contact point 11, another pot head of connecting rod 1 is equipped with spacing ring 12, fixed cover and fender ring 3 overlap in proper order on locating connecting rod 1 from the one end that is close to spacing ring 12, end cover 4 is fixed in the other end of connecting rod 1, just pressing to that end cover 4 is disposed keep off ring (3) and fixed cover, spacing ring 12 is fixed in on connecting rod 1, spacing ring 12 can spacing fixed cover in one side of spacing ring 12.
Preferably, the connecting rod further comprises an elastic washer 8, at least one elastic washer 8 is arranged between the baffle ring 3 and the end cover 4, the elastic washer 8 is sleeved on the connecting rod 1 in a penetrating manner, and the end cover 4 is tightly fixed on the connecting rod 1 through the elastic washer 8. Set up elastic coil 8, strengthened the stability of connecting rod 1 with fixed cover, improve the stability of device linear displacement simultaneously.
The sensor body 5 is provided with at least two pull rod grooves along the length direction, one end of the pull rod 6 extends into the pull rod grooves, and the other end of the pull rod 6 is vertically and fixedly connected with the connecting disc 7; in an example, the connecting disc 7, the sensor body 5, the fixing sleeve and the connecting rod 1 are coaxially arranged, two pull rod grooves are provided, two pull rods are provided, the axial line of each pull rod groove is consistent with the axial line of the sensor body 5, the two pull rod grooves are symmetrically arranged in the sensor body 5, and the outer diameter of the fixing sleeve is consistent with the outer diameter of the connecting disc 7;
set up two pull rods 6, can effectively improve the tensile strength of pull rod, improve pull rod linear motion's stability and fastness, strengthen the high strength performance of this device simultaneously.
Preferably, the sensor body 5 is sleeved with a flange 51, and the flange 51 is provided with at least two fixing holes 511; the sensor body 5 can be firmly fixed to a fixed object through the fixing hole 511.
In one embodiment, the pull rod 6 is provided with an external thread at one end close to the connecting disc 7; the connecting disc 7 is provided with a connecting hole, an internal thread matched with the external thread is arranged in the connecting hole, the pull rod 6 is screwed in the connecting hole, and preferably, an anaerobic adhesive layer is coated at the joint of the pull rod 6 and the connecting disc 7. The anaerobic adhesive layer is arranged, so that the pull rod 6 and the connecting disc 7 can be firmly fixed, the reliability of the device is enhanced, the oxidation corrosion of the joint of the pull rod 6 and the connecting disc 7 is also avoided, and the service life of the device is prolonged.
And one side of the connecting disc 7, which is far away from the pull rod 6, is fixedly connected with the fixed sleeve.
In a preferred embodiment, the fixing sleeve comprises a bearing 21 and a bearing sleeve 22, the bearing sleeve 22 has a hollow cavity with two open ends, the bearing 21 is accommodated in the bearing sleeve 22, and the inner diameter of the bearing 21 is consistent with the inner diameter of the connecting rod 1.
The hollow cavities of the bearing sleeve 22 include a first hollow cavity 221 and a second hollow cavity 222, as shown in fig. 3, the second hollow cavity 222 is communicated with the first hollow cavity 221, the second hollow cavities 222 are respectively disposed on two sides of the first hollow cavity 221, and the inner diameter of the first hollow cavity 221 is smaller than the inner diameter of the second hollow cavity 222;
the bearing 21 includes a first bearing portion 211 and a second bearing portion 212, the second bearing portion 212 is fixedly connected to the first bearing portion 211, the first bearing portion 211 is accommodated in the first hollow cavity 221, the second bearing portion 212 is accommodated in the second hollow cavity 222, and two sides of the bearing housing 22 respectively accommodate the bearing 21.
In an example, the outer diameter of the second bearing portion 212 is greater than the inner diameter of the first hollow cavity 221, the inner diameter of the first hollow cavity 221 is not less than the outer diameter of the first bearing portion 211, the inner diameter of the second hollow cavity 222 is not less than the outer diameter of the second bearing portion 212, and the connecting disc 7 is welded to the bearing sleeve 22.
Two redundant displacement sensor pull rod aggregate unit of high strength at least have following one or more beneficial effect:
(1) the high-strength dual-redundancy displacement sensor pull rod linkage device has the advantages of simple structure, easy manufacture, low cost and convenient popularization;
(2) the high-strength dual-redundancy displacement sensor pull rod linkage device adopts the design of dual pull rods, the stability of the linear movement of the pull rods is good, the strength is higher, and under the condition that one group of pull rods breaks down, the other group of pull rods can continue to work, so that the service life of the device is prolonged;
(3) two redundancy displacement sensor pull rod aggregate unit of high strength, its pull rod sets up the anaerobic layer with the connection pad junction, has both increased the fastness of pull rod, improves tensile strength, also prevents pull rod oxidation corrosion, prolongs the life of this device.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A high-strength dual-redundancy displacement sensor pull rod linkage device is characterized by comprising a connecting rod (1), a fixing sleeve, a baffle ring (3), an end cover (4), a sensor body (5), a pull rod (6) and a connecting disc (7);
one end of the connecting rod (1) is provided with a contact point (11), the other end of the connecting rod (1) is sleeved with a limiting ring (12), the fixing sleeve and the baffle ring (3) are sequentially sleeved on the connecting rod (1) from one end close to the limiting ring (12), the end cover (4) is fixed to the other end of the connecting rod (1), and the end cover (4) is configured to press the baffle ring (3) and the fixing sleeve;
the sensor body (5) is provided with at least two pull rod grooves along the length direction, one end of the pull rod (6) extends into the pull rod grooves, and the other end of the pull rod (6) is vertically and fixedly connected with the connecting disc (7);
one side of the connecting disc (7) far away from the pull rod (6) is fixedly connected with the fixed sleeve.
2. The pull rod linkage device of the high-strength dual-redundancy displacement sensor according to claim 1, wherein the axis of the pull rod groove is consistent with the axis of the sensor body (5), the two pull rod grooves are symmetrically arranged in the sensor body (5), and the number of the pull rods (6) is two.
3. The high-strength dual-redundancy displacement sensor pull rod linkage device according to claim 1, wherein the connecting disc (7) is coaxially arranged with the sensor body (5);
the outer diameter of the fixing sleeve is consistent with the outer diameter of the connecting disc (7), and the inner diameter of the fixing sleeve is consistent with the outer diameter of the connecting rod (1);
the limiting ring (12) can be fixedly sleeved on one side of the limiting ring (12) in a limiting manner.
4. The pull rod linkage device of the high-strength dual-redundancy displacement sensor, according to claim 1, is characterized in that one end of the pull rod (6) close to the connecting disc (7) is provided with an external thread;
the connecting plate (7) is provided with a connecting hole, an internal thread matched with the external thread is arranged in the connecting hole, and the pull rod (6) is screwed in the connecting hole.
5. The pull rod linkage device of the high-strength dual-redundancy displacement sensor according to any one of claims 1 or 4, wherein an anaerobic adhesive layer is coated at the joint of the pull rod (6) and the connecting disc (7).
6. The high strength dual redundancy displacement sensor pull rod linkage device according to claim 1, wherein the fixed sleeve comprises a bearing (21) and a bearing sleeve (22), the bearing sleeve (22) has a hollow cavity with two open ends, and the bearing (21) is accommodated in the hollow cavity of the bearing sleeve (22).
7. The pull rod linkage device of the high-strength dual-redundancy displacement sensor is characterized in that the hollow cavities comprise a first hollow cavity (221) and a second hollow cavity (222), the first hollow cavity (221) is communicated with the second hollow cavity (222), the second hollow cavity (222) is respectively arranged on two sides of the first hollow cavity (221), and the inner diameter of the first hollow cavity (221) is smaller than that of the second hollow cavity (222);
bearing (21) include first bearing portion (211) and second bearing portion (212), first bearing portion (211) and second bearing portion (212) fixed connection, first bearing portion (211) hold in first well cavity (221), second bearing portion (212) hold in second well cavity (222), the both sides of bearing housing (22) have held bearing (21) respectively.
8. The high strength dual redundancy displacement sensor pull rod linkage device according to claim 7, wherein the outer diameter of the second bearing portion (212) is larger than the inner diameter of the first hollow cavity (221), the inner diameter of the first hollow cavity (221) is not smaller than the outer diameter of the first bearing portion (211), and the inner diameter of the second hollow cavity (222) is not smaller than the outer diameter of the second bearing portion (212).
9. The pull rod linkage device of the high-strength dual-redundancy displacement sensor according to claim 1, further comprising elastic washers (8), wherein at least one of the elastic washers (8) is disposed between the baffle ring (3) and the end cap (4), the elastic washer (8) is sleeved on the connecting rod, and the end cap (4) is tightly fixed on the connecting rod (1) through the elastic washer (8).
10. The pull rod linkage device of the high-strength dual-redundancy displacement sensor is characterized in that a flange (51) is sleeved on the sensor body (5), and at least two fixing holes (511) are formed in the flange (51);
the connecting disc (7) is connected with the bearing sleeve (22) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120704317.9U CN215177627U (en) | 2021-04-07 | 2021-04-07 | High-strength dual-redundancy displacement sensor pull rod linkage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120704317.9U CN215177627U (en) | 2021-04-07 | 2021-04-07 | High-strength dual-redundancy displacement sensor pull rod linkage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215177627U true CN215177627U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120704317.9U Active CN215177627U (en) | 2021-04-07 | 2021-04-07 | High-strength dual-redundancy displacement sensor pull rod linkage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215177627U (en) |
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2021
- 2021-04-07 CN CN202120704317.9U patent/CN215177627U/en active Active
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