CN219223689U

CN219223689U - Height measuring device

Info

Publication number: CN219223689U
Application number: CN202320106545.5U
Authority: CN
Inventors: 操磊; 肖杰; 段彬
Original assignee: Cummins Fuel System Wuhan Co ltd
Current assignee: Cummins Fuel System Wuhan Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-20
Anticipated expiration: 2033-02-03

Abstract

The utility model provides a height measuring device, comprising: a bracket part, a lower mechanism, an upper mechanism and a controller; the lower mechanism is arranged at the lower part of the bracket part; the lower mechanism comprises a supporting part and a supporting block arranged in the supporting part; the top of the supporting block is provided with a boss for placing and supporting the component to be tested; the first end face of the part to be tested is contacted with the top face of the boss; the upper mechanism is arranged at the upper part of the bracket part and is positioned above the supporting block; the upper mechanism comprises a telescopic part, a position detection part, a displacement detection part and a detection head part; the telescopic part, the displacement detection part and the detection head part are all vertically arranged; the telescopic part is connected with the bracket part; the extending end of the telescopic part is connected with the displacement detection part and the detection head part; the position detection part is arranged on the telescopic part; the first end of the detection head is connected with the displacement detection part through the connection part; the telescopic part, the position detection part and the displacement detection part are all electrically connected with the controller. The utility model can rapidly measure the height value of the component.

Description

Height measuring device

Technical Field

The utility model belongs to the technical field of measuring tools, and particularly relates to a height measuring device.

Background

The conventional height measuring device is usually combined with a special tool by using a dial indicator and/or a height gauge, has low automation degree, higher requirement on manual operation, longer measuring time, poor repeatability and unstable measurement. Although the prior art also has a measuring device adopting a combination of laser and a tool, the measuring cost is higher and the economical efficiency is poor.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a height measuring device.

In order to solve the technical problems, the utility model adopts the following technical scheme: a height measurement device, comprising: a stand portion, a lower mechanism, an upper mechanism, and a controller; the lower mechanism is arranged at the lower part of the bracket part; the lower mechanism comprises a supporting part and a supporting block arranged in the supporting part; a boss for placing and supporting the part to be tested is arranged at the top of the supporting block; the first end face of the part to be tested is contacted with the top face of the boss; the upper mechanism is arranged at the upper part of the bracket part and is positioned above the supporting block; the upper mechanism comprises a telescopic part, a position detection part, a displacement detection part and a detection head part; the telescopic part, the displacement detection part and the detection head part are all vertically arranged; the telescopic part is fixedly connected with the bracket part; the extending end of the telescopic part is fixedly connected with the displacement detection part and the detection head part and is used for performing up-and-down reciprocating movement; the position detection part is arranged on the telescopic part and is used for detecting the position of the part to be detected on the boss; the first end of the detection head part is connected with the displacement detection part through a connecting part; the second end of the detection head is used for contacting with the second end face of the component to be detected; the displacement detection part is used for measuring the height value of the component to be detected through the relative displacement value of the detection head; the telescopic part, the position detection part and the displacement detection part are all electrically connected with the controller.

In a specific embodiment, the connection portion includes: the clamping block, the linear shaft, the guide seat and the mounting head are vertically arranged; the clamping block is sleeved outside the lower part of the displacement detection part and used for fixing the displacement detection part; the bottom of the clamping block is fixedly connected with the top of the guide seat; the linear shaft is slidably arranged in the guide seat; a first end of the linear shaft is in contact with a detection head of the displacement detection part, and a second end of the linear shaft is connected with the first end of the detection head through the mounting head; the guide seat is fixedly connected with the telescopic part.

In a specific embodiment, the height measuring device further comprises a sleeve part, a first end of the sleeve part is fixedly connected with the bottom of the guide seat, and a second end of the sleeve part is used for being sleeved outside the mounting head and/or the detection head.

In a specific embodiment, the axial outer wall of the linear shaft is connected with the axial inner wall of the guide seat through a bearing part and a spacer sleeve part.

In a specific embodiment, the bearing portion includes a plurality of bearings, and the spacer portion is disposed between two adjacent bearings.

In a specific embodiment, two supporting ribs are arranged at positions, close to the top of the supporting block, on the supporting portion, two opposite side surfaces of the supporting ribs are arc-shaped surfaces, a cylindrical space is formed between the two opposite side surfaces and used for placing the component to be tested, and the boss is arranged in the cylindrical space.

In a specific embodiment, the position detecting section includes a position sensor.

In a specific embodiment, the displacement detection portion includes a displacement sensor.

In a specific embodiment, the detection head comprises a spherical detection head.

In a specific embodiment, the telescopic part comprises a slipway cylinder.

In a specific embodiment, the telescopic part is connected to the bracket part by a backing plate.

In a specific embodiment, a rib plate is arranged on one side, away from the backing plate, of the support portion, and the bottom of the rib plate is fixedly connected with the support portion.

In a specific embodiment, the support portion includes a vertical plate disposed vertically, and the support portion includes a bottom plate disposed horizontally.

In a specific embodiment, the part to be tested includes a sealing part of a fuel injector, and the height value of the part to be tested includes a sealing height value of the sealing part.

In a specific embodiment, the controller includes: at least one processor; and a memory coupled to the processor. The memory stores therein calculated program instructions that can be executed by the processor, and when executed by the processor, cause the processor to perform a corresponding operation to drive the extending end of the telescopic portion to act.

Compared with the prior art, the utility model has the beneficial effects that:

1. the height measuring device has high automation degree and high intelligent degree, can quickly, efficiently and conveniently measure the height of the parts, and has more accurate measuring result.

2. The height measuring device disclosed by the utility model is simple in structure, convenient to use, good in stability and good in reliability.

3. The height measuring device can save manpower and material resources, has good economy, can reduce the risks of bruise, scratch and dirt, and has good safety.

4. The height measuring device provided by the utility model can be repeatedly used for a long time, and has strong practicability.

Drawings

FIG. 1 shows a schematic perspective view of one embodiment of a height measurement device of the present utility model;

FIG. 2 shows a schematic structural view of a specific embodiment of the height measuring apparatus of the present utility model;

FIG. 3 shows a schematic cross-sectional view of one embodiment of a height measurement device of the present utility model;

fig. 4 shows a schematic structural view of one embodiment of the assembly relationship of the components to be measured of the height measuring apparatus of the present utility model.

Wherein, 1-the bracket part; 2-a lower mechanism; 21-a support; 22-supporting blocks; 221-boss; 23-supporting ribs; 231-side; 3-upper mechanism; 31-a telescoping portion; a 32-position detecting unit; 33-a displacement detection unit; 34-detecting a head; 35-a connection; 351-clamping blocks; 352-a linear axis; 353-a guide seat; 354-mounting head; 355-bearing part; 3551-bearing; 356-spacer portion; 36-an outer sleeve part; 4-a part to be tested; 41-a first end face of the part to be tested 4; 42-a second end face of the part 4 to be tested; 5-rib plates.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings.

The directional terms such as "inner", "outer", "upper", "lower", "vertical", etc. are merely used in reference to the attached drawings. Accordingly, directional terminology is used to describe and understand the utility model and is not limiting of the utility model.

As shown in fig. 1 to 3, the height measuring apparatus of the present utility model includes: a bracket part 1, a lower mechanism 2, an upper mechanism 3 and a controller.

The lower mechanism 2 is provided at the lower portion of the bracket portion 1. The lower mechanism 2 includes a support portion 21 and a support block 22 provided in the support portion 21.

The top of the supporting block 22 is provided with a boss 221 for placing and supporting the part 4 to be tested. The first end surface 41 of the part 4 to be measured is in contact with the top surface of the boss 221.

The upper mechanism 3 is provided above the bracket portion 1 and above the support block 22. The upper mechanism 3 includes a telescopic portion 31, a position detecting portion 32, a displacement detecting portion 33, and a detection head 34.

The telescopic portion 31 is connected to the bracket portion 1. The extension end of the extendable portion 31 is connected to the displacement detecting portion 33 and the detecting head portion 34, and is configured to reciprocate up and down.

The position detecting portion 32 is provided on the stretchable portion 31 and is used to detect the position of the member under test 4 located on the boss 221.

The retractable portion 31, the displacement detecting portion 33, and the detecting head portion 34 are all vertically arranged.

The first end of the detection head 34 is connected to the displacement detection portion 33 via a connection portion 35. A second end of the inspection head 34 is adapted to contact a second end face 42 of the part 4 under inspection.

The displacement detecting section 33 is for measuring the height value of the part 4 to be measured by detecting the relative displacement of the head 34.

The telescopic portion 31, the position detecting portion 32, and the displacement detecting portion 33 are electrically connected to a controller.

When the device 4 is placed on the boss 221 and the first end face 41 of the device 4 contacts the top surface of the boss 221, the position detecting portion 32 senses the position and sends the position information of the device 4 to the controller, and the controller controls the extending end of the telescopic portion 31 to move to the target position, so as to drive the displacement detecting portion 33 and the detecting head 34 to move downwards for contact measurement. The second end of the detection head 34 is zeroed out of contact with the top surface of the boss 221 prior to the contact measurement. When the contact measurement is carried out, the second end of the detection head 34 is in contact with the second end face 42 of the component 4 to be measured, at this time, the detection head 34 moves upwards, so that the displacement detection part 33 is driven to move upwards, the relative displacement value of the detection head 34 is measured according to the displacement signal of the displacement detection part 33, the height value of the component 4 to be measured is obtained, the height value is stored in the controller, the measurement process is rapid, efficient and convenient, the automation degree is high, the intelligent degree is high, the accuracy is high, the stability is good, and the reliability is good. The height measuring device can measure the height dimension of the parts in a contact manner. Moreover, the risk of bruise, scratch and dirt can be reduced by utilizing the height measuring device, and the safety is good. Meanwhile, the height measuring device can be repeatedly used for a long time, and the practicability is high.

In a specific embodiment, as shown in fig. 1 to 3, the connection portion 35 includes: a vertically disposed clamp block 351, a linear shaft 352, a guide seat 353, and a mounting head 354.

The clamp block 351 is fitted over the lower portion of the displacement detecting portion 33 and is used to fix the displacement detecting portion 33. The bottom of the clamping block 351 is fixedly connected with the top of the guide seat 353.

The linear shaft 352 is slidably disposed within the guide 353. The first end of the linear shaft 352 is in contact with the detection head of the displacement detection section 33. The second end of the linear shaft 352 is connected to a first end of the detection head 34 by a mounting head 354.

The guide seat 353 is fixedly connected with the telescopic part 31.

In use, the displacement detection unit 33 can be fixed by the clamp block 351, and the stability and reliability of the movement of the displacement detection unit 33 can be improved. The use of the linear shaft 352 enables the measurement length of the detection head 34 to be lengthened. By utilizing the sliding fit of the linear shaft 352 and the guide seat 353, the flexibility, stability and reliability of the operation of the linear shaft 352 can be improved. When the contact measurement is performed, the detection head 34 moves upward through the linear shaft 352, thereby driving the detection head of the displacement detection portion 33 to move upward, with good stability and reliability, and capable of improving the accuracy of the detection by the displacement detection portion 33.

In a specific embodiment, as shown in FIG. 3, the height measurement device further includes a housing portion 36. The first end of the outer sleeve portion 36 is fixedly connected with the bottom of the guide seat 353, and the second end of the outer sleeve portion 36 is used for being sleeved outside the mounting head 354 and/or the detecting head 34, so that a protection effect can be achieved.

In a specific embodiment, as shown in fig. 3, the axial outer wall of the linear shaft 352 is connected to the axial inner wall of the guide seat 353 through the bearing portion 355 and the spacer portion 356, so that the stability and reliability of the movement of the linear shaft 352 can be further improved.

In a specific embodiment, as shown in fig. 3, the bearing portion 355 includes a plurality of bearings 3551, and a spacer portion 356 is disposed between two adjacent bearings 3551, so that stability and reliability of movement of the linear shaft 352 can be further improved.

In a specific embodiment, as shown in fig. 1 and 3, two supporting ribs 23 are disposed on the supporting portion 21 near the top of the supporting block 22, and two opposite sides 231 of the two supporting ribs 23 are arc-shaped. A cylindrical space is formed between the two opposite sides 231 for placing the component 4 to be tested. The boss 221 is disposed in the cylindrical space. In use, the cylindrical space formed between the two opposite sides 231 of the two support ribs 23 can facilitate placement of the part 4 to be tested on the boss 221 and alignment of the part 4 to be tested with the test head 34.

In a specific embodiment, as shown in fig. 1 to 3, the position detecting portion 32 includes a position sensor, and has high measurement accuracy, simple structure, and convenient use.

In a specific embodiment, as shown in fig. 1 to 3, the displacement detecting section 33 includes a displacement sensor, and has high measurement accuracy, simple structure, and convenient use.

In a specific embodiment, as shown in fig. 1 to 3, the detection head 34 includes a spherical detection head, has a simple structure, is convenient to use, and can improve measurement accuracy.

In a specific embodiment, as shown in fig. 1 to 3, the telescopic portion 31 includes a slide cylinder, so that the stability and reliability of the operation of the extended end of the telescopic portion 31 can be improved.

In a specific embodiment, the telescopic portion 31 is connected to the bracket portion 1 through a pad, so that the position of the telescopic portion 31 can be easily adjusted so that the telescopic portion 31 is in a vertically arranged state.

In a specific embodiment, as shown in fig. 1 and 3, a rib plate 5 is disposed on one side of the support portion 1 away from the pad, and the bottom of the rib plate 5 is fixedly connected with the supporting portion 21, so that stability and reliability of the measuring device can be improved.

In a specific embodiment, as shown in fig. 1 to 3, the bracket part 1 includes a vertical plate, which is vertically arranged, and has a simple structure, convenient use, good stability and good reliability.

In a specific embodiment, as shown in fig. 1 to 3, the supporting portion 21 includes a horizontally arranged bottom plate, and has a simple structure, convenient use, good stability and good reliability.

In a specific embodiment, as shown in FIG. 4, the part under test 4 comprises a sealing part of a fuel injector. The height value of the part 4 to be measured includes the seal height value of the seal member.

In a specific embodiment, the controller comprises: at least one processor; and a memory coupled to the processor. The memory stores therein a calculated program instruction that can be executed by the processor, and when the instruction is executed by the processor, the processor executes a corresponding operation to drive the extending end of the telescopic portion 31 to act, which has high accuracy, good stability and good reliability.

In a particular embodiment, the controller includes a Programmable Logic Controller (PLC).

When the utility model is used, the part 4 to be measured is placed on the boss 221, the first end face 41 of the part 4 to be measured is contacted with the top surface of the boss 221, the position detection part 32 senses the position and sends the position information of the part 4 to be measured to the controller, and the controller controls the operation of the extending end of the telescopic part 31, so that the displacement detection part 33 and the detection head 34 are driven to move downwards to the target position for contact measurement. The second end of the detection head 34 is zeroed out of contact with the top surface of the boss 221 prior to the contact measurement. When the contact measurement is performed, the second end of the detection head 34 is in contact with the second end face 42 of the part 4 to be measured, and at this time, the detection head 34 moves upward, thereby driving the displacement detection portion 33 to move upward, the relative displacement value of the detection head 34 is measured according to the displacement signal of the displacement detection portion 33, thereby obtaining the height value of the part 4 to be measured, and the height value is stored in the controller.

The scope of the present utility model is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present utility model by those skilled in the art without departing from the scope and spirit of the utility model. It is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A height measurement device, comprising: a bracket part (1), a lower mechanism (2), an upper mechanism (3) and a controller;

the lower mechanism (2) is arranged at the lower part of the bracket part (1); the lower mechanism (2) comprises a supporting part (21) and a supporting block (22) arranged in the supporting part (21);

a boss (221) for placing and supporting the part (4) to be tested is arranged at the top of the supporting block (22); a first end surface (41) of the part to be tested (4) is in contact with the top surface of the boss (221);

the upper mechanism (3) is arranged at the upper part of the bracket part (1) and is positioned above the supporting block (22); the upper mechanism (3) comprises a telescopic part (31), a position detection part (32), a displacement detection part (33) and a detection head part (34);

the telescopic part (31), the displacement detection part (33) and the detection head part (34) are all vertically arranged;

the telescopic part (31) is fixedly connected with the bracket part (1); the extending end of the telescopic part (31) is fixedly connected with the displacement detection part (33) and the detection head part (34) and is used for performing up-and-down reciprocating movement;

the position detecting portion (32) is provided on the stretchable portion (31) and is used for detecting the position of the part (4) to be measured located on the boss (221);

a first end of the detection head (34) is connected with the displacement detection part (33) through a connecting part (35); a second end of the detection head (34) is used for contacting with a second end face (42) of the component (4) to be detected;

the displacement detection part (33) is used for measuring the height value of the component (4) to be detected through the relative displacement value of the detection head part (34);

the telescopic part (31), the position detection part (32) and the displacement detection part (33) are electrically connected with the controller.

2. The height measurement device according to claim 1, wherein the connection portion (35) comprises: a clamping block (351), a linear shaft (352), a guide seat (353) and a mounting head (354) which are vertically arranged;

the clamping block (351) is sleeved outside the lower part of the displacement detection part (33) and is used for fixing the displacement detection part (33); the bottom of the clamping block (351) is fixedly connected with the top of the guide seat (353);

the linear shaft (352) is slidably arranged in the guide seat (353); a first end of the linear shaft (352) is in contact with a detection head of the displacement detection part (33), and a second end of the linear shaft (352) is connected with the first end of the detection head (34) through the mounting head (354);

the guide seat (353) is fixedly connected with the telescopic part (31).

3. The height measuring device according to claim 2, further comprising a housing portion (36), a first end of the housing portion (36) being fixedly connected to the bottom of the guide seat (353), and a second end of the housing portion (36) being adapted to be sleeved outside the mounting head (354) and/or the detection head (34).

4. The height measurement device according to claim 2, wherein the axial outer wall of the linear shaft (352) is connected to the axial inner wall of the guide holder by a bearing portion (355) and a spacer portion (356).

5. The height measurement device according to claim 4, wherein the bearing portion (355) comprises a plurality of bearings (3551), the spacer portion (356) being disposed between two adjacent bearings (3551).

6. The height measuring device according to claim 1, wherein two supporting ribs (23) are arranged at intervals on the supporting portion (21) at positions close to the top of the supporting block (22), two opposite side surfaces (231) of the two supporting ribs (23) are arc-shaped surfaces, a cylindrical space is formed between the two opposite side surfaces (231) for placing the component (4) to be measured, and the boss (221) is arranged in the cylindrical space.

7. The height measurement device according to claim 1, wherein the position detection section (32) comprises a position sensor, the displacement detection section (33) comprises a displacement sensor, and the detection head (34) comprises a spherical detection head.

8. The height measurement device according to claim 1, wherein the telescopic part (31) comprises a slipway cylinder.

9. The height measuring device according to claim 1, wherein the telescopic part (31) is connected to the bracket part (1) by means of a backing plate.

10. The height measuring device according to claim 9, characterized in that a rib plate (5) is provided on the side of the bracket part (1) facing away from the backing plate, the bottom of the rib plate (5) being fixedly connected with the support part (21).

11. The height measuring device according to claim 1, wherein the stand portion (1) comprises a vertically arranged riser, and the support portion (21) comprises a horizontally arranged floor.

12. The height measuring device according to claim 1, wherein the part (4) to be measured comprises a sealing part of a fuel injector, and the height value of the part (4) to be measured comprises a sealing height value of the sealing part.

13. The height measurement device of claim 1, wherein the controller comprises: at least one processor; and a memory coupled to the processor; wherein the memory stores therein calculated program instructions executable by the processor, which instructions, when executed by the processor, cause the processor to perform a corresponding task to drive the extended end action of the telescopic section (31).