CN215572599U - Bolt ball measuring device - Google Patents
Bolt ball measuring device Download PDFInfo
- Publication number
- CN215572599U CN215572599U CN202121471820.0U CN202121471820U CN215572599U CN 215572599 U CN215572599 U CN 215572599U CN 202121471820 U CN202121471820 U CN 202121471820U CN 215572599 U CN215572599 U CN 215572599U
- Authority
- CN
- China
- Prior art keywords
- sliding
- cavity
- lead screw
- bolt ball
- measuring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a bolt ball measuring device, which relates to the technical field of bolt ball measurement and comprises a first baffle plate, wherein a vertical included angle between the first baffle plate and a second baffle plate is used for placing a bolt ball to be measured, and a milling plane on one side of the bolt ball to be measured is attached to the second baffle plate; the first clamping plate and the second clamping plate can move to be respectively contacted with the milling plane on the other side and the upper end of the bolt ball to be measured, so that the bolt ball is clamped, and the bolt ball is ensured to be kept still during measurement; the scale marks on one side of the sliding groove can measure the distance between the two milling planes and the ball diameter of the bolt ball; the angle measuring device can measure the included angle between two adjacent threaded holes. The device has simple and reliable structure, can simultaneously measure three data of the ball diameter of the bolt ball, the distance between the milling plane and the center of the ball and the included angle between two adjacent threaded holes, has high measurement efficiency and small error, is convenient to operate, and is suitable for popularization.
Description
Technical Field
The utility model relates to the technical field of bolt ball measurement, in particular to a bolt ball measuring device.
Background
The bolt ball is an important part of a net frame structure in the building industry, and has the main structural characteristics that: a plurality of holes with internal threads are formed in one ball and used for connecting a plurality of rod pieces at one point, and the bolt ball is mainly applied to the fields of oil pipe-free underground oil extraction devices, casing explosion expanding devices, oil pipe drift diameter gauges and the like and is also applied to a net rack steel structure, the rod pieces are connected with the rod pieces, and the machining quality of the rod pieces directly influences the mechanical property of the net rack structure. The quality control of the bolt ball has six indexes: the six indexes of the diameter of the ball, the roundness of the ball, the parallelism of two milling planes on the same axis, the distance between the milling planes and the center of the ball, the included angle between two adjacent threaded holes and the perpendicularity between the two milling planes and the axis of the bolt hole influence the quality of the bolt ball, so the indexes need to be measured.
At present, the bolt ball is generally measured manually, the mode is low in efficiency and wastes manpower, and the error of the measurement result is large.
Disclosure of Invention
Aiming at the problems, the utility model provides a bolt ball measuring device, which solves the problems of low efficiency, manpower waste and large measuring error when the bolt ball is measured manually.
The technical scheme of the utility model is as follows: a bolt ball measuring device comprises a fixed block, a first baffle, a second baffle, a first lead screw, a second lead screw, a first clamping plate, a second clamping plate and an angle measuring device; a first baffle is transversely arranged on one side of the fixed block, a second baffle is longitudinally arranged at the upper end of the fixed block, the first baffle and the second baffle are vertically arranged, a first cavity and a second cavity are respectively arranged in the first baffle and the second baffle, a first lead screw and a second lead screw are respectively arranged in the first cavity and the second cavity, the first end of the first lead screw and the first end of the second lead screw are rotatably connected with the fixed block, and the second end of the first lead screw and the second end of the second lead screw respectively penetrate through the side walls of the first cavity and the second cavity; a first sliding block and a second sliding block are sleeved on the first lead screw and the second lead screw in a threaded connection mode respectively, the first sliding block and the second sliding block are connected with the inner walls of the first cavity and the second cavity in a sliding mode respectively, a first clamping plate is vertically arranged at the upper end of the first sliding block, and a second clamping plate is transversely arranged on one side of the second sliding block; the first baffle is connected with a sliding plate in a sliding mode, the sliding plate is arranged on the outer side of the first clamping plate, a third sliding block is vertically arranged on the sliding plate, and angle measuring devices are arranged at the upper end of the sliding plate and on the third sliding block.
Furthermore, a first handle and a second handle are connected to the second end of the first lead screw and the second end of the second lead screw respectively penetrating through the side walls of the first cavity and the second cavity.
Furthermore, the first cavity side wall and the second cavity side wall are respectively provided with a sliding groove matched with the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are arranged in the sliding grooves in a sliding connection mode.
Furthermore, two spout one side all is equipped with the scale mark.
Further, the angle measuring device comprises a telescopic rod and a protractor, the two telescopic rods are respectively rotatably connected with the upper end of the sliding plate and the third sliding block, the protractor is fixedly connected to the upper end of the sliding plate and the third sliding block, the rotating point of the telescopic rod coincides with the circle center of the protractor, the telescopic rod is slidably connected with the protractor, and the two protractors are vertically arranged.
Furthermore, a bolt is longitudinally screwed in the third sliding block, and the front end of the bolt is detachably connected with the sliding plate.
Further, telescopic link front end bilateral symmetry is equipped with two backup pads, be connected through first connecting rod and second connecting rod between backup pad and the telescopic link, with one side first connecting rod and second connecting rod parallel arrangement, first connecting rod and second connecting rod both ends are rotated with backup pad and telescopic link respectively and are connected, two all be connected with the spring between first connecting rod and the telescopic link, sliding connection's cover is equipped with the sleeve on the telescopic link, all be connected through the third connecting rod between sleeve and two second connecting rods, the third connecting rod both ends are articulated with sleeve and second connecting rod respectively.
Further, the cross section of the support plate is of a circular arc structure.
The utility model has the advantages that: the vertical included angle between the first baffle and the second baffle is used for placing a bolt ball to be measured, and a milling plane on one side of the bolt ball to be measured is attached to the second baffle; the first clamping plate and the second clamping plate can move to be respectively contacted with the milling plane on the other side and the upper end of the bolt ball to be measured, so that the bolt ball is clamped, and the bolt ball is ensured to be kept still during measurement; the first clamping plate is lower than the threaded hole of the bolt ball to be measured, so that the first clamping plate is prevented from blocking the threaded hole when clamping the bolt ball, and the subsequent measurement of the included angle between two adjacent threaded holes is prevented from being influenced; the sliding groove can ensure the normal movement of the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are prevented from contacting with the side wall of the first cavity and the side wall of the second cavity to generate interference in the moving process; the scale marks on one side of the sliding groove can measure the distance between the two milling planes and the ball diameter of the bolt ball; the angle measuring device can measure the included angle between two adjacent threaded holes; the bolt can limit the position of the third sliding block, and the third sliding block is ensured to be kept still when a threaded hole at the lower end is measured; the supporting plate can be contacted with the inner wall of the threaded hole after the telescopic rod extends into the threaded hole, so that the telescopic rod is prevented from rotating; the cross section of the supporting plate is of an arc-shaped structure, and the arc-shaped structure can ensure that the supporting plate is attached to the inner wall of the threaded hole; the first connecting rod and the second connecting rod which are arranged on the same side are arranged in parallel, so that the supporting plate is guaranteed to be always parallel to the telescopic rod when moving. The device has simple and reliable structure, can simultaneously measure three data of the ball diameter of the bolt ball, the distance between the milling plane and the center of the ball and the included angle between two adjacent threaded holes, has high measurement efficiency and small error, is convenient to operate, and is suitable for popularization.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a first slide mount of the present invention;
FIG. 3 is a schematic view of the angle measuring device of the present invention;
FIG. 4 is a schematic view of the sleeve installation of the present invention;
fig. 5 is a schematic view of the mounting of the support plate of the present invention.
Reference numerals: 1 is a fixed block, 2 is a first baffle, 201 is a chute, 3 is a second baffle, 4 is a first lead screw, 5 is a second lead screw, 6 is a first slide block, 7 is a second slide block, 8 is a first clamping plate, 9 is a second clamping plate, 10 is a sliding plate, 11 is a third slide block, 12 is an angle measuring device, 121 is a telescopic rod, 122 is a protractor, 123 is a supporting plate, 124 is a first connecting rod, 125 is a second connecting rod, 126 is a spring, 127 is a sleeve, 128 is a third connecting rod, 129 is a bolt, 13 is a first handle, 14 is a second handle, and 15 is a scale mark.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being 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.
Referring to fig. 1 to 5, a bolt ball measuring device includes a fixing block 1, a first baffle 2, a second baffle 3, a first lead screw 4, a second lead screw 5, a first clamping plate 8, a second clamping plate 9, and an angle measuring device 12; a first baffle 2 is transversely arranged at one side of the fixed block 1, a second baffle 3 is longitudinally arranged at the upper end of the fixed block 1, the first baffle 2 and the second baffle 3 are vertically arranged, the vertical included angle between the first baffle 2 and the second baffle 3 is used for placing a bolt ball to be measured, a milling plane on one side of a bolt ball to be measured is attached to a second baffle 3, a first cavity and a second cavity are respectively arranged in the first baffle 2 and the second baffle 3, a first lead screw 4 and a second lead screw 5 are respectively arranged in the first cavity and the second cavity, the first end of the first lead screw 4 and the first end of the second lead screw 5 are rotatably connected with a fixed block 1, the second end of the first lead screw 4 and the second end of the second lead screw 5 respectively penetrate through the side walls of the first cavity and the second cavity and are connected with a first handle 13 and a second handle 14, and the first handle 13 and the second handle 14 are convenient for manually controlling the rotation of the first lead screw 4 and the second lead screw 5; the first lead screw 4 and the second lead screw 5 are respectively sleeved with a first sliding block 6 and a second sliding block 7 in threaded connection, the first sliding block 6 and the second sliding block 7 are respectively in sliding connection with the inner walls of the first cavity and the second cavity, the inner walls of the first cavity and the second cavity limit the rotation of the first sliding block 6 and the second sliding block 7, and when the second end of the first lead screw 4 and the second lead screw 5 rotate, the first sliding block 6 and the second sliding block 7 can only linearly move back and forth in the first cavity and the second cavity; a first clamping plate 8 is vertically arranged at the upper end of the first sliding block 6, a second clamping plate 9 is transversely arranged on one side of the second sliding block 7, the first clamping plate 8 and the second clamping plate 9 are respectively contacted with the other side milling plane and the upper end of the bolt ball to be measured to clamp the bolt ball, the bolt ball is guaranteed to be kept still during measurement, the first clamping plate 8 is lower than the threaded hole of the bolt ball to be measured, and the situation that the first clamping plate 8 blocks the threaded hole during bolt ball clamping to influence the subsequent measurement of the included angle between two adjacent threaded holes is avoided; the side walls of the first cavity and the second cavity are respectively provided with a chute 201 matched with the first clamping plate 8 and the second clamping plate 9, the first clamping plate 8 and the second clamping plate 9 are arranged in the chutes 201 in a sliding connection manner, the chutes 201 can ensure the normal movement of the first clamping plate 8 and the second clamping plate 9, avoid the interference of the first clamping plate 8 and the second clamping plate 9 with the contact of the side walls of the first cavity and the second cavity in the moving process, one side of each chute 201 is provided with a scale mark 15, and the zero scale mark of the two scale marks 15 is superposed with the joint of the first baffle plate 2 and the second baffle plate 3, after the first clamping plate 8 and the second clamping plate 9 clamp the bolt ball, the reading of the first clamping plate 8 pointing to the scale mark 15 is the distance between the two milling planes, and the reading of the second clamping plate 9 pointing to the scale mark 15 is the ball diameter of the bolt ball; a sliding plate 10 is connected to the first baffle plate 2 in a sliding mode, the sliding plate 10 is arranged on the outer side of the first clamping plate 8, a third sliding block 11 is vertically arranged on the sliding plate 10, angle measuring devices 12 are arranged at the upper end of the sliding plate 10 and on the third sliding block 11, the angle measuring devices 12 are used for measuring included angles between two threaded holes and a vertical line, and then included angles between two adjacent threaded holes are calculated; the angle measuring device 12 comprises an expansion link 121 and an angle gauge 122, the two expansion links 121 are respectively rotatably connected with the upper end of the sliding plate 10 and the third sliding block 11, the expansion link 121 is used for extending into the threaded hole to ensure that the expansion link 121 is parallel to the threaded hole, the angle gauge 122 is fixedly connected with the upper end of the sliding plate 10 and the third sliding block 11, the rotation point of the expansion link 121 coincides with the center of the angle gauge 122, the expansion link 121 is slidably connected with the angle gauge 122, the two angle gauges 122 are vertically arranged, when the two expansion links 121 are kept still, the included angle between the two threaded holes and the vertical line can be measured according to the reading of the angle gauge 122, according to the internal angle and principle of a triangle, the two angles obtained by subtracting the measured 180 degrees from the two adjacent threaded holes are the included angle between the two adjacent threaded holes, a bolt 129 is longitudinally screwed in the third sliding block 11, the front end of the bolt 129 is detachably connected with the sliding plate 10, and the bolt 129 is used for limiting the position of the third sliding block 11, ensuring that the third slide block 11 remains stationary when measuring a threaded hole at the lower end; two supporting plates 123 are symmetrically arranged on two sides of the front end of the telescopic rod 121, the two supporting plates 123 are used for enabling the telescopic rod 121 to contact with the inner wall of the threaded hole after extending into the threaded hole, the telescopic rod 121 is guaranteed not to rotate, the cross section of each supporting plate 123 is of an arc-shaped structure, the supporting plates 123 can be guaranteed to be attached to the inner wall of the threaded hole, the supporting plates 123 are connected with the telescopic rod 121 through first connecting rods 124 and second connecting rods 125, the first connecting rods 124 and the second connecting rods 125 on the same side are arranged in parallel, and the first connecting rods 124 and the second connecting rods 125 are matched to guarantee that the supporting plates 123 are always parallel to the telescopic rod 121 when moving; the two ends of the first connecting rod 124 and the second connecting rod 125 are respectively rotatably connected with the supporting plate 123 and the telescopic rod 121, a spring 126 is connected between the two first connecting rods 124 and the telescopic rod 121, the spring 126 can be reset to push the first connecting rod 124 to rotate so as to drive the two supporting plates 123 to open, a sleeve 127 is sleeved on the telescopic rod 121 in a sliding connection manner, the sleeve 127 and the two second connecting rods 125 are respectively connected through a third connecting rod 128, the two ends of the third connecting rod 128 are respectively hinged with the sleeve 127 and the second connecting rod 125, the sleeve 127 is convenient for manually controlling the movement of the supporting plates 123, when the sleeve 127 is pulled to move, the third connecting rod 128 pulls the second connecting rod 125 to rotate so as to drive the supporting plates 123 to be close to the telescopic rod 121, at the moment, the distance between the two supporting plates 123 is reduced, the telescopic rod 121 can be inserted into the threaded hole, when the sleeve 127 is loosened, the spring 126 resets to push the first connecting rod 124 to rotate so as to push the two supporting plates 123 to be far away from the telescopic rod 121 and contact with the inner wall of the threaded hole, the supporting plate 123 can ensure that the telescopic rod 121 is limited and does not move any more.
The use method of the utility model comprises the following steps: when the bolt ball needs to be measured, the bolt ball is placed at the corner of the first baffle 2 and the second baffle 3, a milling plane of the bolt ball is ensured to be in contact with the second baffle 3, then the first handle 13 and the second handle 14 are rotated to drive the first lead screw 4 and the second lead screw 5 to rotate, and further the first slider 6 and the second slider 7 are driven to move, the first slider 6 and the second slider 7 respectively drive the first clamping plate 8 and the second clamping plate 9 to be close to the bolt ball, when the first clamping plate 8 and the second clamping plate 9 are in contact with the bolt ball, the first handle 13 and the second handle 14 are stopped to rotate, the bolt ball is limited and does not move any more, half of the reading of the first clamping plate 8 pointing to the scale mark 15 is the distance between the milling plane and the center of the ball, and the reading of the second clamping plate 9 pointing to the scale mark 15 is the diameter of the ball; then the sliding plate 10 is moved, one telescopic rod 121 at the upper end is rotated, the telescopic rod 121 is ensured to be parallel to a threaded hole of a bolt ball, then the sleeve 127 is pulled to move, the third connecting rod 128 pulls the second connecting rod 125 to rotate, the supporting plate 123 is driven to be close to the telescopic rod 121, the distance between the two supporting plates 123 is reduced at the moment, the telescopic rod 121 is pulled to extend out, the front end of the telescopic rod 121 extends into the threaded hole, when the telescopic rod 121 extends into a certain length and the sleeve 127 is loosened, the spring 126 resets to push the first connecting rod 124 to rotate, the two supporting plates 123 are further pushed to be far away from the telescopic rod 121 and to be in contact with the inner wall of the threaded hole, and at the moment, the supporting plate 123 ensures that the telescopic rod 121 at the upper end is limited and does not move any more; then, the third sliding block 11 is pushed to move, a telescopic rod 121 at the lower end is controlled to rotate, when a telescopic rod 121 at the lower end is parallel to a threaded hole at the lower end, the bolt 129 is rotated, the bolt 129 rotates inwards to be in contact with the sliding plate 10, the third sliding block 11 is limited and does not move any more, then the operation is repeated, the telescopic rod 121 at the lower end extends into the threaded hole at the lower end, the telescopic rod 121 at the lower end is ensured to not move any more, the included angle between two threaded holes and a vertical line can be measured according to the reading of the two telescopic rods 121 pointing to the protractor 122, and finally, the measured two angles subtracted by 180 degrees are the included angle between two adjacent threaded holes, so that the measurement of three data of the ball diameter of a bolt ball, the distance between a milling plane and the ball center and the included angle between two adjacent threaded holes is completed.
The vertical included angle between the first baffle and the second baffle is used for placing a bolt ball to be measured, and a milling plane on one side of the bolt ball to be measured is attached to the second baffle; the first clamping plate and the second clamping plate can move to be respectively contacted with the milling plane on the other side and the upper end of the bolt ball to be measured, so that the bolt ball is clamped, and the bolt ball is ensured to be kept still during measurement; the first clamping plate is lower than the threaded hole of the bolt ball to be measured, so that the first clamping plate is prevented from blocking the threaded hole when clamping the bolt ball, and the subsequent measurement of the included angle between two adjacent threaded holes is prevented from being influenced; the sliding groove can ensure the normal movement of the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are prevented from contacting with the side wall of the first cavity and the side wall of the second cavity to generate interference in the moving process; the scale marks on one side of the sliding groove can measure the distance between the two milling planes and the ball diameter of the bolt ball; the angle measuring device can measure the included angle between two adjacent threaded holes; the bolt can limit the position of the third sliding block, and the third sliding block is ensured to be kept still when a threaded hole at the lower end is measured; the supporting plate can be contacted with the inner wall of the threaded hole after the telescopic rod extends into the threaded hole, so that the telescopic rod is prevented from rotating; the cross section of the supporting plate is of an arc-shaped structure, and the arc-shaped structure can ensure that the supporting plate is attached to the inner wall of the threaded hole; the first connecting rod and the second connecting rod which are arranged on the same side are arranged in parallel, so that the supporting plate is guaranteed to be always parallel to the telescopic rod when moving. The device has simple and reliable structure, can simultaneously measure three data of the ball diameter of the bolt ball, the distance between the milling plane and the center of the ball and the included angle between two adjacent threaded holes, has high measurement efficiency and small error, is convenient to operate, and is suitable for popularization.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A bolt ball measuring device is characterized by comprising a fixing block (1), a first baffle (2), a second baffle (3), a first lead screw (4), a second lead screw (5), a first clamping plate (8), a second clamping plate (9) and an angle measuring device (12);
a first baffle (2) is transversely arranged on one side of the fixed block (1), a second baffle (3) is longitudinally arranged at the upper end of the fixed block (1), the first baffle (2) and the second baffle (3) are vertically arranged, a first cavity and a second cavity are respectively arranged in the first baffle (2) and the second baffle (3), a first lead screw (4) and a second lead screw (5) are respectively arranged in the first cavity and the second cavity, the first end of the first lead screw (4) and the first end of the second lead screw (5) are both rotatably connected with the fixed block (1), and the second end of the first lead screw (4) and the second end of the second lead screw (5) respectively penetrate through the side walls of the first cavity and the second cavity;
a first sliding block (6) and a second sliding block (7) are respectively sleeved on the first lead screw (4) and the second lead screw (5) in a threaded connection manner, the first sliding block (6) and the second sliding block (7) are respectively in sliding connection with the inner walls of the first cavity and the second cavity, a first clamping plate (8) is vertically arranged at the upper end of the first sliding block (6), and a second clamping plate (9) is transversely arranged on one side of the second sliding block (7);
the angle measuring device is characterized in that a sliding plate (10) is connected to the first baffle (2) in a sliding mode, the sliding plate (10) is arranged on the outer side of the first clamping plate (8), a third sliding block (11) is connected to the sliding plate (10) in a vertical sliding mode, and angle measuring devices (12) are arranged on the upper end of the sliding plate (10) and the third sliding block (11).
2. The bolt ball measuring device of claim 1, wherein: and the second end of the first lead screw (4) and the second end of the second lead screw (5) respectively penetrate through the side walls of the first cavity and the second cavity and are connected with a first handle (13) and a second handle (14).
3. The bolt ball measuring device of claim 1, wherein: all be equipped with on first cavity lateral wall and the second cavity lateral wall with first clamp plate (8) and second clamp plate (9) matched with spout (201), the equal sliding connection's of first clamp plate (8) and second clamp plate (9) setting is in spout (201).
4. The bolt ball measuring device of claim 3, wherein: and scale marks (15) are arranged on one side of each of the two sliding grooves (201).
5. The bolt ball measuring device of claim 1, wherein: the angle measuring device (12) comprises a telescopic rod (121) and an angle gauge (122), the telescopic rod (121) is rotatably connected with the upper end of the sliding plate (10) and the third sliding block (11) respectively, the angle gauge (122) is fixedly connected to the upper end of the sliding plate (10) and the third sliding block (11), the rotating point of the telescopic rod (121) coincides with the circle center of the angle gauge (122), the telescopic rod (121) is slidably connected with the angle gauge (122), and the angle gauge (122) is vertically arranged.
6. The bolt ball measuring device of claim 5, wherein: a bolt (129) is longitudinally screwed in the third sliding block (11), and the front end of the bolt (129) is detachably connected with the sliding plate (10).
7. The bolt ball measuring device of claim 5, wherein: telescopic link (121) front end bilateral symmetry be equipped with two backup pads (123), be connected through first connecting rod (124) and second connecting rod (125) between backup pad (123) and telescopic link (121), with one side first connecting rod (124) and second connecting rod (125) parallel arrangement, first connecting rod (124) and second connecting rod (125) both ends rotate with backup pad (123) and telescopic link (121) respectively and are connected, two all be connected with spring (126) between first connecting rod (124) and telescopic link (121), sliding connection's cover is equipped with sleeve (127) on telescopic link (121), all be connected through third connecting rod (128) between sleeve (127) and two second connecting rod (125), third connecting rod (128) both ends are articulated with sleeve (127) and second connecting rod (125) respectively.
8. The bolt ball measuring device of claim 7, wherein: the cross section of the supporting plate (123) is of a circular arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121471820.0U CN215572599U (en) | 2021-06-30 | 2021-06-30 | Bolt ball measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121471820.0U CN215572599U (en) | 2021-06-30 | 2021-06-30 | Bolt ball measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215572599U true CN215572599U (en) | 2022-01-18 |
Family
ID=79822187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121471820.0U Active CN215572599U (en) | 2021-06-30 | 2021-06-30 | Bolt ball measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215572599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116772794A (en) * | 2022-05-30 | 2023-09-19 | 南通凤成工具有限公司 | Minimally invasive detection equipment and method for reinforced concrete members of building |
-
2021
- 2021-06-30 CN CN202121471820.0U patent/CN215572599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116772794A (en) * | 2022-05-30 | 2023-09-19 | 南通凤成工具有限公司 | Minimally invasive detection equipment and method for reinforced concrete members of building |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201909596U (en) | Checking fixture for degree of symmetry | |
| CN215572599U (en) | Bolt ball measuring device | |
| CN203672259U (en) | Shifting fork inspection fixture | |
| CN203240988U (en) | Vehicle oil filling pipe assembly checking tool | |
| CN210664295U (en) | Device for measuring conical surface angle of part | |
| CN210464320U (en) | Detection tool for shaft sleeve | |
| CN208483275U (en) | A kind of workpiece placement mechanism for machine-building drilling device | |
| CN207635984U (en) | A kind of shift of transmission slide track component comprehensive detection device | |
| CN215064211U (en) | Measuring tool for checking shape and position size of machined part | |
| CN213599976U (en) | Caliper for detecting overall dimension of component | |
| CN211147662U (en) | Foundation pit support inclination measuring instrument | |
| CN210603179U (en) | Instrument for measuring α and β angles of drill core | |
| CN218937953U (en) | Tensile testing machine | |
| CN205138401U (en) | Door hinge axiality measuring apparatus | |
| CN218350089U (en) | Straight pipe aligning and focusing device | |
| CN220982137U (en) | Tool for rapidly detecting length of turning worm | |
| CN217992243U (en) | Clamp for measuring parts | |
| CN219757213U (en) | Device for measuring warpage of sample | |
| CN216283089U (en) | Calibrating device of percentage table | |
| CN214951015U (en) | Guide rail reverser shrinkage correction positioning device | |
| CN218470375U (en) | Tensile sample stick detects instrument after breaking | |
| CN216409980U (en) | Exhaust connecting pipe calibration equipment | |
| CN215036901U (en) | Detection device for main shaft maintenance | |
| CN217465556U (en) | Multifunctional measuring scale for engineering surveying and mapping | |
| CN211120897U (en) | Engineering measuring scale |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |