CN218994274U - Workbench flatness error measuring device - Google Patents
Workbench flatness error measuring device Download PDFInfo
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- CN218994274U CN218994274U CN202222858212.6U CN202222858212U CN218994274U CN 218994274 U CN218994274 U CN 218994274U CN 202222858212 U CN202222858212 U CN 202222858212U CN 218994274 U CN218994274 U CN 218994274U
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Abstract
The utility model relates to the field of flatness error measurement, and particularly discloses a workbench flatness error measurement device, which comprises two square rods, wherein the square rods are arranged on a workbench, fixing mechanisms for fixing the square rods on the workbench are arranged at two ends of the square rods, T-shaped grooves are formed in the square rods along the length of the square rods, and openings of the T-shaped grooves are positioned at two ends of the square rods; a sliding block mounting bracket with the end part matched with the T-shaped groove is arranged between the T-shaped grooves on the two square rods, a sliding groove arranged along the length direction of the sliding block mounting bracket is arranged on the sliding block mounting bracket, a sliding block capable of sliding is arranged in the sliding groove, a dial indicator arranged vertically is arranged on the sliding block, and the dial indicator is connected with a data acquisition instrument. The utility model realizes continuous and rapid detection of the workbench, thereby improving the detection efficiency of flatness errors.
Description
Technical Field
The utility model belongs to the field of central air-conditioning water systems, and particularly relates to a workbench flatness error measuring device.
Background
The flatness error refers to the variation of the measured actual surface relative to the ideal plane, and the position of the ideal plane meets the minimum condition. Flatness is often measured during installation and routine maintenance.
The reference CN203310396U flatness error limit detection device comprises a measurement reference flat plate/platform, wherein a side positioning block, a proximity switch assembly, an indicator light and a power supply assembly are respectively arranged on the measurement reference flat plate/platform, the proximity switch assembly consists of a proximity switch and a proximity switch sensing point, and the reference flat plate/platform is characterized in that at least one proximity switch sensing point is arranged in the middle of the measurement reference flat plate/platform, at least two proximity switch sensing points are respectively arranged on two sides of the reference flat plate/platform, and the proximity switch is arranged in the proximity switch sensing point.
Although the utility model can sense the deviation of the measured surface of the measured workpiece relative to the measurement reference through the proximity switch, the utility model is not applicable to the measurement of flatness errors.
Disclosure of Invention
Aiming at the defect that the common flatness error measuring device in the prior art cannot measure the flatness effectively, the flatness can be measured rapidly.
In order to solve the technical problems, the inventor obtains the technical scheme of the utility model through practice and summary, and the utility model discloses a workbench flatness error measuring device which comprises two square rods used for being placed on a workbench, wherein two ends of each square rod are provided with fixing mechanisms used for fixing the square rods on the workbench, T-shaped grooves which are arranged along the length of each square rod in a square manner are formed in each square rod, and openings of the T-shaped grooves are positioned on two opposite sides of each square rod;
be equipped with the slider installing support between the T type groove on the square pole, the tip and the T type groove of slider installing support cooperate, have seted up the spout that sets up along slider installing support length direction on the slider installing support, install slidable slider in the spout, be equipped with the percentage table of vertical setting on the slider, the percentage table is connected with the data acquisition appearance.
In still further technical scheme, fixed establishment is equipped with the square through-hole with square pole clearance fit including whole cuboid form's fixing base on the fixing base, and the communicating fixing base screw of square through-hole is seted up with the upper end of fixing base, is equipped with in the fixing base screw with fixing base screw matched with fixing base bolt.
In a further technical scheme, the sliding block mounting bracket comprises a sliding seat which is arranged in the T-shaped groove and matched with the T-shaped groove, the end part of the sliding seat stretches into the T-shaped groove, and the outer part of the sliding seat stretching out of the T-shaped groove stretches upwards to be suitable for forming a sliding seat base;
the side wall of the sliding seat base table is provided with a base table plate which is positioned at the upper end part of the square rod and is parallel to the upper end surface of the square rod, the base table plate is provided with a vertically arranged base table plate screw hole, and a base table plate bolt matched with the base table plate screw hole is arranged in the base table plate screw hole.
In a further technical scheme, a base blind hole is formed in the upper end face of a base of the sliding base, a side opening is formed in the end portion, far away from the base plate, of the opening of the base blind hole, a connecting seat is connected to the end portion of the sliding base, a connecting seat lug part which is arranged in the base blind hole and in clearance fit with the base blind hole is arranged on the connecting seat, a vertically arranged mounting column is arranged at the center of the bottom face of the base blind hole, a vertically arranged mounting column screw hole is formed in the mounting column, a lug through hole is formed in the connecting seat lug part, and a mounting column screw penetrating through the lug through hole is arranged in the mounting column screw hole;
a spring is arranged in the base blind hole, one end of the spring is propped against the bottom surface of the base blind hole, and the other end of the spring is propped against the lug of the connecting seat. The setting of connecting seat, twist the installation post screw and adjust the height of connecting seat before the flatness error measurement of workstation, also adjust the height at slider installing support both ends promptly for the slider installing support adjusts to the level, thereby has promoted the accuracy to the flatness error measurement of workstation.
In a further technical scheme, two strip-shaped plates are arranged between the two groups of connecting seats, the strip-shaped plates are connected with the end parts of the connecting seats through bolts, the cross sections of the strip-shaped plates are concave, and a cavity between the two strip-shaped plates is suitable for forming a chute. The setting of strip shaped plate can make when carrying out the installation of slider, can place the slider between two strip shaped plates to fix two strip shaped plates between two connecting seats, accomplish the installation to the strip shaped plate, thereby comparatively convenient realization is to the installation and the dismantlement of slider.
In a further technical scheme, a level installation cavity is formed in the slider installation support, and a level is installed in the level installation cavity. The setting of spirit level can make the survey person observe the spirit level and learn whether the slider installing support is in the horizontality, avoids because the slider installing support is not in the level and causes the influence to measuring to the measuring accuracy has been promoted.
In a further technical scheme, a sliding block through hole which is vertically arranged and used for placing a dial indicator is arranged on the sliding block, a sliding block screw hole which is communicated with the sliding block through hole is formed in the side wall of the sliding block, and a sliding block bolt matched with the sliding block screw hole is arranged in the sliding block screw hole. The setting of slider screw and slider bolt can be so that when carrying out the measurement of workstation planarization, fixes the percentage table in the slider through-hole through twisting the slider bolt to avoided the percentage table to take place the displacement and cause measuring error to produce when measuring, thereby promoted the accuracy of this workstation planarization error measurement device when measuring.
Compared with the prior art, the utility model can obtain the following technical effects:
through the arrangement of the square rod, the sliding block mounting bracket, the sliding block, the dial indicator and the data acquisition instrument, the square rod can be fixed on the workbench when the flatness error of the workbench is checked, so that the bottom end of the dial indicator is contacted with the workbench, the dial indicator slides along the length direction of the sliding block mounting bracket through the sliding block, the data acquisition instrument can automatically calculate the flatness error value of the workbench, and when a measuring result is not in a flatness tolerance zone, the data acquisition instrument can automatically alarm; when actual measurement, measurement personnel can also remove the slider installing support and make the percentage table detect to workstation different positions to make this workstation flatness error measuring device detect different regions on the workstation.
Compared with the flatness error limit detection device in the comparison file, the flatness error measurement device for the workbench realizes continuous and rapid detection of the workbench, so that the detection efficiency of flatness errors is improved.
The setting of fixed establishment structure can be so that when carrying out this workstation flatness error measuring device installation, can pass square through-hole on the fixing base and fix square pole on the workstation through the cooperation between fixing base bolt and the fixing base screw through square pole to realized comparatively convenient realization to square pole's fixed, also made workstation flatness error measuring device can be applicable to the workstation flatness error measurement of different length and width simultaneously.
The setting of base platen and base platen bolt can be after adjusting the position of slider installing support, fixes the sliding seat on square pole through screwing up base platen bolt, namely the slider installing support is fixed on square pole promptly to the slider installing support has avoided when sliding the percentage table takes place to slide, thereby has avoided causing the influence to measuring accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
Fig. 1 is a schematic diagram of the structure of the table flatness error measuring device in embodiment 1.
Fig. 2 is a cross-sectional view of the table flatness error measuring device of fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of the sliding seat in fig. 3.
Fig. 5 is a schematic structural view of the connection base in fig. 3.
Fig. 6 is an enlarged view of a portion B in fig. 1.
Fig. 7 is a cross-sectional view of the portion C of fig. 2.
The names of the parts indicated by the numerical references in the drawings are as follows:
110. a work table; 120. square bar; 121. a T-shaped groove; 130. a slide block mounting bracket; 131. a chute; 140. a slide block; 150. a dial indicator; 160. a fixing seat; 161. square through holes; 162. screw holes of the fixing seat; 163. a fixing seat bolt; 210. a strip-shaped plate; 310. a sliding seat; 320. a sliding base; 321. a base blind hole; 330. a base plate; 340. a base plate screw hole; 350. a base plate bolt; 360. a mounting column; 361. mounting column screw holes; 370. mounting a post screw; 380. a spring; 390. a connecting seat; 410. a side opening; 510. a connection base ear; 511. ear through holes; 610. a level mounting cavity; 620. a level gauge; 710. a slider through hole; 720. a sliding block screw hole; 730. a slide block bolt.
Detailed Description
The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The principles of the utility model will be further described with reference to the drawings and specific examples.
Examples:
referring to fig. 1 to 7, in an embodiment of the present utility model, there is provided a table flatness error measuring apparatus comprising two square bars 120 for being placed on a table 110, both ends of the square bars 120 being provided with fixing means for fixing the square bars 120 on the table 110, the square bars 120 being provided with T-shaped grooves 121 provided in a square shape along the length of the square bars 120, the openings of the T-shaped grooves 121 being located at both ends of the square bars 120; a sliding block mounting bracket 130 with the end part matched with the T-shaped groove 121 is arranged between the T-shaped grooves 121 on the two square rods 120, a sliding groove 131 arranged along the length direction of the sliding block mounting bracket 130 is arranged on the sliding block mounting bracket 130, a sliding block 140 capable of sliding is arranged in the sliding groove 131, a dial indicator 150 arranged vertically is arranged on the sliding block 140, and the dial indicator 150 is connected with a data acquisition instrument.
By arranging the square rod 120, the sliding block mounting bracket 130, the sliding block 140, the dial indicator 150 and the data acquisition instrument in the embodiment, the square rod 120 can be fixed on the workbench 110 when the flatness error of the workbench 110 is checked, so that the bottom end of the dial indicator 150 is contacted with the workbench 110, the dial indicator 150 slides along the length direction of the sliding block mounting bracket 130 through the sliding block 140, the flatness error value of the workbench 110 can be automatically calculated by the data acquisition instrument, and when the measurement result is not in the flatness tolerance zone, the data acquisition instrument can automatically alarm; during actual measurement, a measurer can also move the slider mounting bracket 130 so that the dial indicator 150 can detect different positions of the workbench 110, thereby enabling the workbench flatness error measuring device to detect different areas on the workbench. The device for measuring the flatness error of the workbench in this embodiment achieves continuous and rapid detection of the workbench 110 compared with the flatness error limit detection device in the comparison file, thereby improving the detection efficiency of flatness error.
In this embodiment, the fixing mechanism includes a fixing base 160 that is integrally rectangular, a square through hole 161 that is in clearance fit with the square rod 120 is provided on the fixing base 160, a fixing base screw hole 162 that is communicated with the square through hole 161 is provided at an upper end of the fixing base 160, and a fixing base bolt 163 that is matched with the fixing base screw hole 162 is provided in the fixing base screw hole 162.
Through the setting of the fixed establishment structure in this embodiment, can make when carrying out this workstation 110 flatness error measuring device installation, can pass square pole 120 through square through-hole 161 on fixing base 160 and fix square pole 120 on workstation 110 through the cooperation between fixing base bolt 163 and the fixing base screw 162 to realized comparatively convenient realization to the fixed of square pole 120, also made workstation flatness error measuring device in this embodiment can be applicable to the workstation 110 flatness error measurement of different length and width simultaneously.
In this embodiment, the slider mounting bracket 130 includes a sliding seat 310 disposed in the T-shaped slot 121 and matched with the T-shaped slot 121, the end portion of the sliding seat 310 extends out of the T-shaped slot 121, the end portion of the sliding seat 310 extending out of the T-shaped slot 121 extends upward to form a sliding seat base 320, a base plate 330 disposed on the side wall of the sliding seat base 320 and parallel to the upper end surface of the square bar 120 is disposed at the upper end portion of the square bar 120, a base plate screw hole 340 disposed vertically is disposed on the base plate 330, and a base plate bolt 350 matched with the base plate screw hole 340 is disposed in the base plate screw hole 340.
Through the arrangement of the base plate 330 and the base plate bolt 350 in this embodiment, after the position of the slider mounting bracket 130 is adjusted, the slider 310 can be fixed on the square bar 120 by tightening the base plate bolt 350, that is, the slider mounting bracket 130 is fixed on the square bar 120, so that the slider mounting bracket 130 is prevented from sliding when the dial indicator 150 is slid, and thus, the accuracy of measurement is prevented from being affected.
In this embodiment, the upper end face of the sliding seat base 320 is provided with a base blind hole 321, the end of the opening of the base blind hole 321 away from the base plate 330 is provided with a side opening 410, the end of the sliding seat 310 is connected with a connecting seat 390, a connecting seat ear 510 which is positioned in the base blind hole 321 and is in clearance fit with the base blind hole 321 is arranged on the connecting seat 390, a vertically arranged mounting column 360 is arranged at the center of the bottom face of the base blind hole 321, a vertically arranged mounting column screw hole 361 is arranged on the mounting column 360, the connecting seat ear 510 is provided with an ear through hole 511, a mounting column screw 370 which penetrates through the ear through hole 511 is arranged in the mounting column screw hole 361, a spring 380 is arranged in the base blind hole 321, one end of the spring 380 is abutted against the bottom face of the base blind hole 321, and the other end of the spring 380 is abutted against the connecting seat ear 510.
Through the setting of the connecting seat 390 in this embodiment, the mounting post screw 370 is screwed to adjust the height of the connecting seat 390 before the flatness error measurement of the workbench 110, that is, the heights of the two ends of the slider mounting bracket 130 are adjusted, so that the slider mounting bracket 130 is adjusted to be horizontal, and the accuracy of the flatness error measurement of the workbench 110 is improved.
In this embodiment, two plates 210 are disposed between the two connecting seats 390, the plates 210 are connected with the end portions of the connecting seats 390 by bolts, the cross section of the plates 210 is concave, and the cavities between the plates 210 form the sliding grooves 131.
Through the setting of strip plate 210 in this embodiment, can make when carrying out the installation of slider, can place slider 140 between two strip plate 210 to fix two strip plate 210 between two connecting seat 390, accomplish the installation to strip plate 210, thereby comparatively convenient realization is to the installation and the dismantlement of slider 140.
In this embodiment, the slider mounting bracket 130 is provided with a level mounting cavity 610, and a level 620 is provided in the level mounting cavity 610.
Through the setting of the level 620 in this embodiment, a measurer can observe the level 620 to know whether the slider mounting bracket 130 is in a horizontal state, so as to avoid the influence on measurement caused by the fact that the slider mounting bracket 130 is not in a horizontal state, thereby improving the accuracy of measurement.
In this embodiment, a slider through hole 710 is vertically disposed on the slider 140 and used for placing the dial indicator 150, a slider screw hole 720 communicated with the slider through hole 710 is disposed on a side wall of the slider 140, and a slider bolt 730 matched with the slider screw hole 720 is disposed in the slider screw hole 720.
Through the arrangement of the sliding block screw hole 720 and the sliding block bolt 730 in the embodiment, when the flatness of the workbench 110 is measured, the dial indicator 150 is fixed in the sliding block through hole 710 by screwing the sliding block bolt 730, so that the occurrence of measurement errors caused by displacement of the dial indicator 150 during measurement is avoided, and the accuracy of the flatness error measuring device of the workbench during measurement is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The flatness error measuring device for the workbench is characterized by comprising two square rods which are arranged on the workbench, wherein fixing mechanisms for fixing the square rods on the workbench are arranged at two ends of each square rod, T-shaped grooves which are arranged along the length of each square rod in a square mode are formed in each square rod, and openings of the T-shaped grooves are located on two opposite sides of the two square rods;
be equipped with the slider installing support between the T type groove on the square pole, the tip and the T type groove of slider installing support cooperate, have seted up the spout that sets up along slider installing support length direction on the slider installing support, install slidable slider in the spout, be equipped with the percentage table of vertical setting on the slider, the percentage table is connected with the data acquisition appearance.
2. The device for measuring flatness error of a work table according to claim 1, wherein the fixing mechanism comprises a fixing seat in a shape of a cuboid as a whole, a square through hole in clearance fit with the square rod is formed in the fixing seat, a fixing seat screw hole communicated with the square through hole is formed in the upper end portion of the fixing seat, and a fixing seat bolt matched with the fixing seat screw hole is arranged in the fixing seat screw hole.
3. The device for measuring flatness error of a work table according to claim 1, wherein the slider mounting bracket comprises a sliding seat arranged in the T-shaped groove and matched with the T-shaped groove, an end part of the sliding seat extends into the T-shaped groove, and an outer part of the sliding seat extending out of the T-shaped groove extends upwards to form a sliding seat base;
the side wall of the sliding seat base table is provided with a base table plate which is positioned at the upper end part of the square rod and is parallel to the upper end surface of the square rod, the base table plate is provided with a vertically arranged base table plate screw hole, and a base table plate bolt matched with the base table plate screw hole is arranged in the base table plate screw hole.
4. The device for measuring the flatness error of the workbench according to claim 3, wherein a base blind hole is formed in the upper end face of a base of the sliding base, a side opening is formed in the end portion, far away from the base plate, of the opening of the base blind hole, a connecting seat is connected to the end portion of the sliding base, a connecting seat lug part which is arranged in the base blind hole and is in clearance fit with the base blind hole is arranged on the connecting seat, a vertically arranged mounting column is arranged at the center of the bottom face of the base blind hole, a vertically arranged mounting column screw hole is formed in the mounting column, an lug through hole is formed in the connecting seat lug part, and a mounting column screw penetrating through the lug through hole is arranged in the mounting column screw hole;
a spring is arranged in the base blind hole, one end of the spring is propped against the bottom surface of the base blind hole, and the other end of the spring is propped against the lug of the connecting seat.
5. The device for measuring flatness error of a table according to claim 4, wherein two strip-shaped plates are mounted between the two sets of connecting seats, the strip-shaped plates are bolted to the ends of the connecting seats, the cross section of the strip-shaped plates is concave, and the cavity between the two strip-shaped plates is adapted to form a chute.
6. The device for measuring flatness error of a work table according to claim 1, wherein the slider mounting bracket is provided with a level mounting cavity in which a level is mounted.
7. The device for measuring the flatness error of the workbench according to claim 1, wherein the sliding block is provided with a sliding block through hole which is vertically arranged and used for placing a dial indicator, the side wall of the sliding block is provided with a sliding block screw hole which is communicated with the sliding block through hole, and a sliding block bolt which is matched with the sliding block screw hole is arranged in the sliding block screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858212.6U CN218994274U (en) | 2022-10-28 | 2022-10-28 | Workbench flatness error measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222858212.6U CN218994274U (en) | 2022-10-28 | 2022-10-28 | Workbench flatness error measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218994274U true CN218994274U (en) | 2023-05-09 |
Family
ID=86219129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222858212.6U Active CN218994274U (en) | 2022-10-28 | 2022-10-28 | Workbench flatness error measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218994274U (en) |
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2022
- 2022-10-28 CN CN202222858212.6U patent/CN218994274U/en active Active
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