CN209639696U - A kind of displacement measuring device of turbine pump assembly bearing axial direction - Google Patents
A kind of displacement measuring device of turbine pump assembly bearing axial direction Download PDFInfo
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- CN209639696U CN209639696U CN201920303690.6U CN201920303690U CN209639696U CN 209639696 U CN209639696 U CN 209639696U CN 201920303690 U CN201920303690 U CN 201920303690U CN 209639696 U CN209639696 U CN 209639696U
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- measuring device
- displacement measuring
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Abstract
The utility model relates to a kind of displacement measuring devices of turbine pump assembly bearing axial direction, for measuring the axial displacement of turbine bearing in pump, the bearing (19) that the turbine pump has shell (18) and is arranged on shell (18), institute's displacement measurement device includes positioning core axle (1), contact plate (4), lower blind rivet (5), screw rod (7), several support rods (8), bottom plate (9), the first nut (10) and sensor (17).The displacement measuring device of the utility model embodiment can be accurately obtained actual displacement value of the bearing in a certain pulling force, avoid the situation for leading to measurement inaccuracy because tension variations are excessive, it ensure that the accuracy and reasonability of measurement, and the displacement measuring device of the utility model embodiment can quickly measure the axial displacement in a certain pulling force lower bearing, can efficiently measure.
Description
Technical field
The utility model relates to technical field of bearings, and in particular to a kind of displacement measurement of turbine pump assembly bearing axial direction
Device.
Background technique
Rocket engine is one kind of jet engine, by the reaction mass (propellant) in propellant container or delivery vehicle
Become high-speed jet, thrust is generated due to Newton's third law.Rocket engine can be used for spacecraft propulsion, can be used for
The Ground Applications such as guided missile.Oxidant and fuel are pumped into combustion chamber by liquid-propellant rocket engine respectively by turbine pump, and two kinds push away
Combining combustion is mixed in combustion chamber into agent ingredient, to generate thrust.
Turbine pump plays key effect as " heart " of liquid-propellant rocket engine.Critical component of the bearing as turbine pump
One of, performance and stability directly affect the use of turbine pump.In the assembling process of turbine pump by control dimension chain come
Guarantee the gap between various products.In order to guarantee the accuracy of measurement, it is necessary to obtain the bearing in the case where certain fixes pulling force
The measured value of axial displacement just can guarantee that the gap that dimension chain calculating goes out is actual gap in this way.
Therefore, the axial displacement in a certain pulling force lower bearing how accurately, rationally, is fast and efficiently measured, at urgently
Problem to be solved.
Utility model content
A kind of turbine pump assembly axis is provided to solve technological deficiency of the existing technology and deficiency, the utility model
Hold axial displacement measuring device.
Specifically, a kind of displacement measurement dress for turbine pump assembly bearing axial direction that the utility model one embodiment proposes
It sets, for measuring the axial displacement of turbine bearing in pump, the bearing which has shell and be arranged on shell, institute's rheme
Measuring system includes positioning core axle, contact plate, lower blind rivet, screw rod, several support rods, bottom plate, the first nut and sensor,
In,
The bearing of the first end connection turbine pump of the positioning core axle, the second end of the positioning core axle connect the sensing
The first end of device, the second end of the sensor connect the first end of the lower blind rivet, and the second end of the lower blind rivet connects institute
The first end of screw rod is stated, the first end of the support rod passes through the contact plate and the shell of turbine pump connects, the support rod
Second end connect the bottom plate, and several support rods are symmetrical arranged along BEARING SHAFT, and first nut is fixed on institute
It states on screw rod, and first nut is located at the one side of second end of the bottom plate close to the screw rod, it is the bearing, described fixed
Position mandrel, the sensor, the lower blind rivet, the screw rod and first nut are sequentially coaxially arranged.
In one embodiment of the utility model, the positioning core axle includes bearing connector, fastener and connecting column,
Wherein,
The bearing connector, the fastener and the connecting column are sequentially connected, and the bearing connector and turbine
The bearing of pump connects, and the connecting column is connect with the first end of the sensor.
It further include that compress gasket and mandrel tighten nut in one embodiment of the utility model, wherein
The compress gasket and the mandrel tighten nut and sequentially pass through the fastener, and the mandrel tighten nut with
The fastener is threadedly coupled.
In one embodiment of the utility model, the lower blind rivet includes lower blind rivet connector and connection ring, wherein
The lower blind rivet connector is threadedly coupled with the second end of the sensor, and the of the connection ring and the screw rod
One end connection.
In one embodiment of the utility model, the screw rod includes screw rod connector and screw body, wherein
The screw rod connector and the screw body are sequentially connected, and the screw rod connector is connect with the connection ring.
It further include the first fixing screws and the second nut, wherein described first in one embodiment of the utility model
Fixing screws pass through the through-hole of the connection ring and the through-hole of the screw rod connector, and second nut and described first are fixed
Screw thread connection.
It further include several second fixing screws, the second end of the support rod in one embodiment of the utility model
The bottom plate is connected by second fixing screws.
It further include support plate in one embodiment of the utility model, the support plate connects the bottom plate.
It further include several third fixing screws, several gaskets and several thirds in one embodiment of the utility model
Nut, wherein the third fixing screws pass through the bottom plate and the support plate, and the gasket and the third nut are successively
Across the third fixing screws, the third nut is threadedly coupled with the third fixing screws.
Compared with prior art, the utility model has the beneficial effects that
The displacement measuring device of the utility model embodiment can be accurately obtained actual bit of the bearing in a certain pulling force
Shifting value avoids the situation for leading to measurement inaccuracy because tension variations are excessive, ensure that the accuracy and reasonability of measurement, and
The displacement measuring device of the utility model embodiment can quickly measure the axial displacement in a certain pulling force lower bearing, can
Efficiently measure.
Detailed description of the invention
Fig. 1 is a kind of knot of the displacement measuring device of turbine pump assembly bearing axial direction provided by the embodiment of the utility model
Structure schematic diagram；
Fig. 2 is a kind of structural schematic diagram of positioning core axle provided by the embodiment of the utility model；
Fig. 3 is a kind of structural schematic diagram of lower blind rivet provided by the embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of screw rod provided by the embodiment of the utility model；
Fig. 5 is a kind of structural schematic diagram of contact plate provided by the embodiment of the utility model；
Fig. 6 is a kind of structural schematic diagram of support rod provided by the embodiment of the utility model；
Fig. 7 is a kind of structural schematic diagram of bottom plate provided by the embodiment of the utility model；
Fig. 8 is a kind of structural schematic diagram of compress gasket provided by the embodiment of the utility model；
Fig. 9 a is the left view that a kind of mandrel provided by the embodiment of the utility model tightens nut；
Fig. 9 b is the front view that a kind of mandrel provided by the embodiment of the utility model tightens nut；
Figure 10 is a kind of structural schematic diagram of support plate provided by the embodiment of the utility model.
Description of symbols:
1 positioning core axle；2 compress gaskets；3 mandrels tighten nut；4 contact plates；5 lower blind rivets；6 first fixing screws；7 spiral shells
Bar；8 support rods；9 bottom plates；10 first nuts；11 third nuts；12 gaskets；13 support plates；14 third fixing screws；15 second
Fixing screws；16 second nuts；17 sensors；18 shells；19 bearings；101 bearing connectors；102 fasteners；103 connecting columns；
501 lower blind rivet connectors；502 connection rings；701 screw rod connectors；702 screw bodies.
Specific embodiment
Further detailed description, but the embodiment party of the utility model are done to the utility model combined with specific embodiments below
Formula is without being limited thereto.
It will be appreciated that it can be directly connected to when element arrives another element referred to as " connection " or " in conjunction with "
Or it is bonded directly to another element, or may exist intermediary element.On the contrary, when element be referred to as " being directly connected to " or
When " binding directly " arrives another element, intermediary element is not present.Identical appended drawing reference always shows identical element.
For ease of description, spatially relative term can be used herein, as " ... under ", " ... lower section ", " below
", " in ... top ", " above " etc., for describing such as elements or features and another element shown in the figure or
The relationship of feature.It will be appreciated that spatially relative term is intended to exist comprising the device other than the orientation being described in the accompanying drawings
Using or operation in different direction.For example, being described as " " other elements or feature if the device in attached drawing is reversed
The element of " below " or " under " will then be positioned as " " other elements or feature " top ".Thus, exemplary term " ...
Lower section " may include " in ... top " and " in ... lower section " two kinds of orientation.Described device can by addition position (be rotated by 90 ° or
Other orientation), and corresponding explanation is made to the opposite description language in space used herein.
The relational terms of Wen Zhong, such as " first " and " second " or the like be used merely to by an entity or operation with it is another
One entity or operation distinguish, and without necessarily requiring or implying between these entities or operation, there are any this reality
Relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
Embodiment one
Critical component one of of the bearing as turbine pump, performance and stability directly affect the use of turbine pump, are
Guarantee the accuracy of measurement, it is necessary to obtain the reality that in the case where certain fixes pulling force bearing is displaced caused by axial
Value just can guarantee that passing through the calculated gap of control dimension chain institute in the assembling process of turbine pump is actual gap in this way.Therefore
A kind of displacement measuring device suitable for turbine pump assembly bearing axial direction is present embodiments provided, and the turbine pump has shell
18 and the bearing 19 that is arranged on shell 18.
Referring to Figure 1, Fig. 1 is that a kind of displacement of turbine pump assembly bearing axial direction provided by the embodiment of the utility model is surveyed
Measure the structural schematic diagram of device.It should be including positioning core axle 1, contact plate 4, lower blind rivet 5, screw rod 7, several support rods 8, bottom plate 9, the
One nut 10 and sensor 17, wherein
The positioning core axle 1 first end connection turbine pump bearing 19, the positioning core axle 1 second end connection described in
The first end of sensor 17, the second end of the sensor 17 connect the first end of the lower blind rivet 5, and the of the lower blind rivet 5
Two ends connect the first end of the screw rod 7, and the first end of the support rod 8 passes through the shell 18 of the contact plate 4 and turbine pump
Connection, the second end of the support rod 8 connects the bottom plate 9, and several support rods 8 are symmetrical arranged along 19 axle center of bearing,
First nut 10 is fixed on the screw rod 7, and first nut 10 is located at the bottom plate 9 close to the screw rod 7
The one side of second end, the bearing 19, the positioning core axle 1, the sensor 17, the lower blind rivet 5, the screw rod 7 and institute
The first nut 10 is stated sequentially coaxially to be arranged.
The utility model embodiment realizes the connection with the bearing 19 of turbine pump using positioning core axle 1, and passes through contact plate
4, support rod 8 and bottom plate 9 realize the fixation with the shell of turbine pump, and positioning core axle 1, sensor 17, lower blind rivet 5 and screw rod
7 are sequentially connected, and along substantially symmetrical about its central axis, therefore when adjusting screw rod 7 is along axial upper and lower displacement, can realize the axis of bearing
The practical value of thrust born is tested to displacement, and by sensor 17, to obtain reality of the bearing 19 in a certain pulling force
Shift value.The displacement measuring device of the utility model embodiment can be accurately obtained actual displacement of the bearing in a certain pulling force
Value avoids the situation for leading to measurement inaccuracy because tension variations are excessive, ensure that the accuracy and reasonability of measurement, and this
The displacement measuring device of utility model embodiment can quickly measure the axial displacement in a certain pulling force lower bearing, Neng Gougao
Effect measures.
Specifically, positioning core axle 1 is a kind of axially symmetric structure, and positioning core axle 1 is used to connect the bearing of turbine pump
19 and sensor 17.
Further, Fig. 2 is referred to, positioning core axle 1 includes bearing connector 101, fastener 102 and connecting column 103,
In, the bearing connector 101, the fastener 102 and the connecting column 103 are fixedly connected sequentially, and the bearing connects
Body 101 is connect with the bearing 19 of turbine pump, and the connecting column 103 is connect with the first end of the sensor 17.Positioning core axle 1 with
Bearing 19 is concentric, therefore can guarantee the accuracy of pulling force suffered by bearing 19, to improve the standard of 19 axial displacement of bearing
True property and reasonability.
Preferably, the end face of bearing connector 101 and interior hole perpendicularity≤0.01mm, the outer circle of bearing connector 101 with
The inner hole gap setting of bearing 19 is 0.015-0.03mm.
Specifically, sensor 17 is a kind of tension sensor, and for pressure suffered by 19 axial direction of test bearing, and it is installed
When, it should ensure that its concentricity with bearing, thereby may be ensured that the pulling force that sensor 17 is tested can accurately reflect bearing
19 pulling force born.When needing to measure displacement of the bearing 19 under a certain pulling force effect, guarantee bearing 19, positioning
Mandrel 1 and sensor 17 are concentric, so as to guarantee that the axial displacement to bearing is accurately measured.
Further, for the ease of the disassembly of sensor 17 and guarantee concentricity, thus make the first end of sensor 17 with
Connecting column 103 is threadedly coupled, and the second end of sensor 17 is threadedly coupled with the first end of lower blind rivet 5.
The concrete model to sensor 17 and type are not limited specifically the utility model embodiment, as long as it meets
The measurement purpose of the present embodiment can be achieved in the needs of test.For example, the model of sensor 17 are as follows: JLBS-MD.
Specifically, lower blind rivet 5 is a kind of axially symmetric structure, and lower blind rivet 5 is for connecting sensor 17 and screw rod 7.
Further, Fig. 3 is referred to, lower blind rivet 5 includes lower blind rivet connector 501 and connection ring 502, wherein under described
Blind rivet connector 501 is threadedly coupled with the second end of the sensor 17, the first end of the connection ring 502 and the screw rod 7
Connection.It is provided with external screw thread on lower blind rivet connector 501, is threadedly coupled with the realization of the threaded hole of the second end of sensor 17.
Specifically, screw rod 7 is a kind of axially symmetric structure, and screw rod 7 passes through 7 edge of screw rod for adjusting axial tension
Axial effect may be implemented to apply pulling force to bearing 19, when moving screw rod 7 to the opposite direction of bearing 19 along axial direction,
Pulling force can be applied to bearing 19, the actual value of pulling force is determined by numerical value shown by sensor 17, when reaching pulling force
When value requires, then stop adjusting to screw rod 7, at this point, pulling force suffered by bearing 19 is pressure applied in actual use,
So as to realize the accurate measurement to the measured value of bearing axial displacement.
Further, Fig. 4 is referred to, the screw rod 7 includes screw rod connector 701 and screw body 702, wherein the spiral shell
Bar connector 701 and the screw body 702 are sequentially connected, and the screw rod connector 701 is connect with the connection ring 502.Spiral shell
Bar connector 701 has groove structure, and screw rod connector 701 forms on the side wall of groove structure the through-hole knot with connection
Structure, is also equipped with through-hole structure in connection ring 502, and the diameter of the through-hole structure in connection ring 502 is straight with screw rod connector 701
Diameter is equal, and when connected, connection ring 502 is put into groove structure, and connects the through-hole structure of connection ring 502 and screw rod
The through-hole structure concentric of junctor 701 is placed, and the first fixing screws 6 are passed through to the through-hole structure and screw rod of connection ring 502 later
The through-hole structure of connector 701, and it is screwed into the second nut 16, keep connection ring 502 and screw rod connector 701 fixed, wherein first
The diameter that fixing screws 6 pass through through-hole structure part is equal to the diameter of through-hole structure, in order to avoid connection ring 502 and screw rod connector
701 activities, influence the accuracy of measurement.
The outer surface of screw body 702 is fine thread, by adjusting the spacing between screw thread, thus it is possible to vary applied
The precision of pulling force can make the spacing between fine thread smaller, for example, 0.75-1 when required precision is higher, this
When can be realized accurate adjustment to the pulling force for being applied to bearing, so as to more be accurately obtained the displacement of bearing axial direction
Amount.
Spacing between the helicla flute of the utility model embodiment ontology 702 can be adjusted according to actual needs, only
It wants it to meet the needs of test, the measurement purpose of the present embodiment can be achieved.
The contact plate 4 of the displacement measuring device of the utility model embodiment, support rod 8,9 collective effect of bottom plate, for protecting
It demonstrate,proves screw rod 7 and bearing 19 is concentric, so that it is guaranteed that the accuracy of measurement.
Specifically, Fig. 5 and Fig. 6 are referred to, the first end of support rod 8 is provided with external screw thread, and is provided on contact plate 4
Threaded hole, quantity set by support rod 8 is identical as the quantity of 4 upper screwed hole of contact plate, so that the first end of support rod 8 passes through
Contact plate 4 is connect with the shell 18 of turbine pump, and the quantity of support rod 8 should be ensured that 19 alignment of screw rod 7 and bearing, for example,
The quantity of the support rod 8 of the present embodiment is 4, and is symmetrical arranged along the axle center of bearing 19, to ensure that screw rod 7 and bearing 19
Alignment.
The bottom plate 9 of the utility model embodiment refers to Fig. 7, screw body 702 is placed through bottom for limiting screw rod 7
The threaded hole at 9 center of plate so that screw body 702 along bottom plate 9 realize be axially moved, screw rod 7 can bottom plate 9 screw in and
It screws out, the position of the displacement measuring device of the utility model embodiment can be defined by bottom plate 9, while can guarantee screw rod
7 stable work.The first nut 10, the first nut 10 and spiral shell are provided on one side close to the second end of screw rod 7 in bottom plate 9 simultaneously
Bar body 702 connects, and by the first nut 10 of rotation, the lower movement vertically of screw rod 7, band dynamic bearing 19 is lower vertically to be transported
It is dynamic, to adjust the value of thrust of sensor 17；When pulling force reaches design requirement value, pass through the end of dial gauge measurement and positioning mandrel
Face can obtain the axial displacement in a certain pulling force state of value lower bearing.
8 second end of support rod of the utility model embodiment is also fixedly connected with bottom plate 9, so as to guarantee displacement measurement
The shaft core position of device guarantees the stably measured to bearing axial displacement.
The second end of the support rod 8 of the utility model embodiment realizes connection by the second fixing screws 15, support rod 8
Second end is provided with threaded hole in the second end of support rod 8 by 15 connecting bottom board 9 of the second fixing screws, in bottom plate 9 and support
The link position of bar 8 is also equipped with threaded hole, and the second fixing screws 15 pass through the threaded hole of bottom plate 9 and support rod 8, to make to prop up
The second end of strut 8 and the second fixing screws 15, which are realized, to be connected.
In order to accurately measure, it is also necessary to the position of bearing 19 is defined, Fig. 8, Fig. 9 a and Fig. 9 b are referred to,
The utility model embodiment tightens restriction of the realization of nut 3 to the position of bearing 19, compress gasket by compress gasket 2 and mandrel
2 and mandrel tighten nut 3 and sequentially pass through fastener 102, and mandrel is tightened nut 3 and is threadedly coupled with fastener 102.Work as locating core
After axis 1 is connect with bearing 19, then compress gasket 2 and mandrel is successively tightened into nut 3 and are mounted on positioning core axle 1, in core
Under the action of axis tightens the screwing force of nut 3, compress gasket 2 is set to compress bearing 19, the position to prevent bearing 19 changes.
Referring to Figure 10, the displacement measuring device of the utility model embodiment further includes that support plate 13, several thirds are fixed
Screw 14, several gaskets 12 and several third nuts 11, third fixing screws 14, gasket 12 and third nut 11 will be for that will support
Plate 13 achieves a fixed connection with bottom plate 9, wherein third fixing screws 14 pass through bottom plate 9 and support plate 13, by gasket 12 and the
Three nuts 11 sequentially pass through third fixing screws 14, and third nut 11 is threadedly coupled with third fixing screws 14.Support plate 13 is used
Come the relative position of fixed turbine pump and displacement measuring device, therefore to be also fixed in after again installing support plate 13
On other devices, to realize that the position of turbine pump and displacement measuring device is fixed.
The operating process of the displacement measuring device of the utility model embodiment are as follows: firstly, positioning core axle 1 is mounted on bearing
On 19；Then, compress gasket 2 is mounted on positioning core axle 1；Mandrel is tightened nut 3 to be tightened on positioning core axle 1, and is pressed
It is required that torque is tightened；Later, contact plate 4 is mounted on 4 support rods 13；And 4 support rods 13 are mounted on product shell
On 18；Then 4 support rods 13 are mounted on bottom plate 9；Second fixing screws are mounted on bottom plate 9,4 support rods are fixed
13；Bottom plate 9 is mounted in support plate 13 again；And using third fixing screws 14, gasket 12, third nut 11 by 9 and of bottom plate
Support plate 13 is fixed；Sensor 17 and positioning core axle 1 are connected later；And sensor 17 and lower blind rivet 5 are connected；By lower blind rivet
5 and screw rod 7 it is fixed by the first fixing screws 6, the second nut 16；Screw rod 7 is mounted on bottom plate 9 later, passes through the first spiral shell
Mother 10 is fixed.By rotating the first nut 10, makes the lower movement vertically of screw rod 7, adjust the value of thrust of sensor 17；Work as pulling force
When reaching design requirement value, by the end face of dial gauge measurement and positioning mandrel, the axis in a certain pulling force state of value lower bearing is obtained
To displacement.
The utility model embodiment may be implemented screw rod 7 along axial movement, pass through observation by turning the first nut 10
Sensor 17 can be accurately obtained the actual value of pulling force, avoid the excessive situation of previous tension variations, ensure that measurement
Accuracy.
The utility model embodiment can be realized the real-time measurement to turbine pump bearing, and reflected by sensor 17
Numerical value can in time, accurately obtain the stress condition of bearing, so as to obtain the change in displacement value of bearing axial direction in real time, mention
High working efficiency.
The structure of the displacement measuring device of the utility model embodiment is simple, reliable, because part is less, have it is light-weight,
Size is small, and easy processing assembles the features such as simple.
The displacement measuring device of the utility model embodiment can by change screw rod on screw thread between spacing, thus
Realize the adjustment to bearing pulling force different accuracy, the spacing on screw rod between screw thread is smaller, and precision is then higher, so that this is practical
New embodiment can accurately adjust value of thrust.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of displacement measuring device of turbine pump assembly bearing axial direction, for measuring the axial displacement of turbine bearing in pump,
The bearing (19) that the turbine pump has shell (18) and is arranged on shell (18), which is characterized in that institute's displacement measurement device
Including positioning core axle (1), contact plate (4), lower blind rivet (5), screw rod (7), several support rods (8), bottom plate (9), the first nut
(10) and sensor (17), wherein
The bearing (19) of the first end connection turbine pump of the positioning core axle (1), the second end of the positioning core axle (1) connect institute
The first end of sensor (17) is stated, the second end of the sensor (17) connects the first end of the lower blind rivet (5), the drop-down
The second end for following closely (5) connects the first end of the screw rod (7), the first end of the support rod (8) pass through the contact plate (4) with
The shell (18) of turbine pump connects, and the second end of the support rod (8) connects the bottom plate (9), and several support rods (8)
It is symmetrical arranged along bearing (19) axle center, first nut (10) is fixed on the screw rod (7), and first nut (10)
Positioned at the bottom plate (9) close to the one side of the second end of the screw rod (7), the bearing (19), the positioning core axle (1), institute
Sensor (17), the lower blind rivet (5), the screw rod (7) and first nut (10) is stated sequentially coaxially to be arranged.
2. displacement measuring device according to claim 1, which is characterized in that the positioning core axle (1) includes bearing connection
Body (101), fastener (102) and connecting column (103), wherein
The bearing connector (101), the fastener (102) and the connecting column (103) are sequentially connected, and the bearing connects
Junctor (101) is connect with the bearing (19) of turbine pump, and the connecting column (103) connect with the first end of the sensor (17).
3. displacement measuring device according to claim 2, which is characterized in that the connecting column (103) and the sensor
(17) first end is threadedly coupled.
4. displacement measuring device according to claim 2, which is characterized in that further include that compress gasket (2) and mandrel are tightened
Nut (3), wherein
The compress gasket (2) and the mandrel are tightened nut (3) and are sequentially passed through the fastener (102), and the mandrel is twisted
Tight nut (3) is threadedly coupled with the fastener (102).
5. displacement measuring device according to claim 1, which is characterized in that the lower blind rivet (5) includes lower blind rivet connection
Body (501) and connection ring (502), wherein
The lower blind rivet connector (501) is threadedly coupled with the second end of the sensor (17), the connection ring (502) and institute
State the first end connection of screw rod (7).
6. displacement measuring device according to claim 5, which is characterized in that the screw rod (7) includes screw rod connector
(701) and screw body (702), wherein
The screw rod connector (701) and the screw body (702) are sequentially connected, the screw rod connector (701) with it is described
Connection ring (502) connection.
7. displacement measuring device according to claim 6, which is characterized in that further include the first fixing screws (6) and second
Nut (16), wherein first fixing screws (6) pass through the through-hole and the screw rod connector of the connection ring (502)
(701) through-hole, second nut (16) are threadedly coupled with first fixing screws (6).
8. displacement measuring device according to claim 1, which is characterized in that it further include several second fixing screws (15),
The second end of the support rod (8) connects the bottom plate (9) by second fixing screws (15).
9. displacement measuring device according to claim 1, which is characterized in that further include support plate (13), the support plate
(13) bottom plate (9) is connected.
10. displacement measuring device according to claim 9, which is characterized in that further include several third fixing screws (14),
Several gaskets (12) and several third nuts (11), wherein the third fixing screws (14) pass through the bottom plate (9) and described
Support plate (13), the gasket (12) and the third nut (11) sequentially pass through the third fixing screws (14), and described
Three nuts (11) are threadedly coupled with the third fixing screws (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303690.6U CN209639696U (en) | 2019-03-11 | 2019-03-11 | A kind of displacement measuring device of turbine pump assembly bearing axial direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920303690.6U CN209639696U (en) | 2019-03-11 | 2019-03-11 | A kind of displacement measuring device of turbine pump assembly bearing axial direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209639696U true CN209639696U (en) | 2019-11-15 |
Family
ID=68495707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920303690.6U Active CN209639696U (en) | 2019-03-11 | 2019-03-11 | A kind of displacement measuring device of turbine pump assembly bearing axial direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209639696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737908A (en) * | 2019-03-11 | 2019-05-10 | 北京星际荣耀空间科技有限公司 | A kind of displacement measuring device of turbine pump assembly bearing axial direction |
-
2019
- 2019-03-11 CN CN201920303690.6U patent/CN209639696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737908A (en) * | 2019-03-11 | 2019-05-10 | 北京星际荣耀空间科技有限公司 | A kind of displacement measuring device of turbine pump assembly bearing axial direction |
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