CN221006124U - Measuring tape's hook push-and-pull precision measuring device - Google Patents
Measuring tape's hook push-and-pull precision measuring device Download PDFInfo
- Publication number
- CN221006124U CN221006124U CN202322510034.2U CN202322510034U CN221006124U CN 221006124 U CN221006124 U CN 221006124U CN 202322510034 U CN202322510034 U CN 202322510034U CN 221006124 U CN221006124 U CN 221006124U
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- tape
- hook
- bottom plate
- pull
- push
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- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 15
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 210000000080 chela (arthropods) Anatomy 0.000 claims 2
- 238000005259 measurement Methods 0.000 abstract description 21
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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- Tape Measures (AREA)
Abstract
The utility model provides a tape measure's hook push-pull precision measuring device, including setting up tape hold-down mechanism on the bottom plate, motion guiding mechanism, hook measuring mechanism and motion control mechanism, tape hold-down mechanism includes press pliers and tape fixed block, the tape setting is fixed through press pliers on the tape fixed block, motion guiding mechanism adopts linear guide, linear guide fixes on the bottom plate, be located tape fixed block right side, motion control mechanism includes hook movable seat and draw gear, hook movable seat sets up on linear guide and slides through draw gear left and right sides, hook measuring mechanism includes the percentage table, the percentage table is installed on the bottom plate through the percentage table installation piece, be located the right side of hook movable seat, during the measurement, it is fixed with the tape, make the hook follow the state of pushing open to pull open through motion control mechanism, monitor through hook measuring mechanism, obtain push-pull precision related data. The utility model has reasonable structure and convenient measurement, greatly reduces the error during measurement and improves the measurement precision.
Description
Technical Field
The utility model relates to the technical field of measuring tape hook push-pull precision measurement, in particular to a measuring tape hook push-pull precision measurement device.
Background
The measuring tape is a common distance measuring tool, and two modes of measuring the measuring tape are respectively top measurement and pull measurement. In order to compensate for the errors of the top and pull measurements, the hook of the tape measure is made movable. As shown in fig. 1, when the movable hook 9 of the tape measure 100 is pulled out, the inside of the hook 9 is a zero point end (i.e., pull measurement), and when the movable hook 9 is retracted, the outside of the hook 9 is a zero point end (i.e., push measurement).
The quality control of the measuring tape push-pull precision measurement is particularly important in production. In the conventional push-pull precision measuring device E, as shown in fig. 2-4, when the hand-held tape 8 is jacked, as shown in fig. 3, whether the integral scale mark of the tape 8 is in the scale mark required by the device E is checked, and push-pull precision data is read. When the instrument changes the measuring mode, the tape 8 is not completely fixed, but moves together with the tape hook 9, so that the measuring standard of the tape hook 9 is changed, the attaching state of the tape hook 9 and the device E is inconsistent, and the measurement of push-pull precision is affected. Moreover, the device can only roughly read out push-pull precision data, and has an excessively high requirement on the eyesight of an operator (the interval between scale marks required by an instrument is only 0.5 mm), so that the measurement and judgment of the final push-pull precision are affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a measuring tape hook push-pull precision measuring device which is reasonable in structure, convenient to measure and high in precision.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a tape hook push-and-pull precision measuring device of tape measure which characterized in that: the device comprises a bottom plate, a tape compressing mechanism, a motion guiding mechanism, a tape hook measuring mechanism and a motion control mechanism are arranged on the bottom plate, wherein the tape compressing mechanism comprises a pressing clamp and a tape fixing block, the tape fixing block is fixedly arranged on the left side of the bottom plate, the tape is arranged on the tape fixing block and is clamped and fixed through the pressing clamp, the motion guiding mechanism adopts a linear guide rail, the linear guide rail is fixed on the bottom plate and is positioned on the right side of the tape fixing block and is coaxial with the tape fixing block, the motion control mechanism comprises a tape hook moving seat and a traction device, the tape hook moving seat is arranged on the linear guide rail in a left-right sliding manner, the traction device is fixed on the bottom plate and is connected with the tape hook moving seat through a traction rope, the tape hook measuring mechanism comprises a dial indicator, the dial indicator is arranged on the bottom plate through the dial indicator mounting block and is positioned on the right side of the tape hook moving seat, and during measurement, the tape hook is firstly moved from a pushing state to a pulling state through the motion control mechanism, and relevant push-pull precision data is obtained through the tape hook measuring mechanism.
As an improvement, the bottom plate is a rectangular plate, the tape fixing block is a cuboid block with a rectangular section, the tape fixing block is arranged on the bottom plate along the length direction and is fixed by screws, the left end of the tape fixing block is flush with the left end of the bottom plate, the middle part of the upper surface of the tape fixing block is provided with a U-shaped groove, a V-shaped groove or a plane for fitting the surface of the tape along the length direction, and a fixing seat for installing a pressing clamp is arranged on the bottom plate and on the rear side of the right end of the tape fixing block.
Further, the linear guide rail is fixed on the bottom plate through a bolt, the left end of the linear guide rail is propped against the right end of the ruler tape fixing block, a moving block capable of moving left and right is arranged on the linear guide rail, and the lower end of the ruler hook moving seat is fixedly connected with the moving block through a screw.
Further, the ruler hook moving seat is a U-shaped moving seat or an L-shaped moving seat, the upper surface of the ruler hook moving seat is flush with the ruler belt fixing block, and a U-shaped groove, a V-shaped groove or a plane for fitting the surface of the ruler belt is formed on the upper surface of the ruler belt moving seat.
Still further, draw gear fixes on the right side of bottom plate, and the percentage table installation piece is vertical to be fixed on the right side that is located linear guide on the bottom plate, and the percentage table is installed on the upper end right side of percentage table installation piece, and the through-hole that supplies the haulage rope to wear to put is seted up at the middle part of percentage table installation piece, is equipped with corresponding through-hole on the chi hook removal seat, and the haulage rope passes the percentage table installation piece and is connected with the chi hook removal seat, and the round hole that supplies the pointer of percentage table to wear to put is seted up to the upper end of percentage table installation piece.
Further, the tape is not limited to clamping and fixing by using a pressing clamp, and a pressing block or a pneumatic clamping device can be used.
Further, the measuring mechanism of the ruler hook is not limited to the dial indicator, and a displacement sensor can be adopted.
Further, the motion guide mechanism is not limited to the linear guide rail, and a synchronous belt may be used.
Finally, the motion control mechanism is not limited to the traction device, but can also be a pneumatic device or a manual push rod.
Compared with the prior art, the utility model has the advantages that: the device comprises a tape compressing mechanism, a motion guiding mechanism, a tape hook measuring mechanism and a motion control mechanism for controlling the tape hook to move from a pushing state to a pulling state, wherein after the tape is fixed, the tape hook is controlled to move, so that the tape hook moves from the pushing state to the pulling state, and the push-pull precision related data is obtained through monitoring of the tape hook measuring mechanism. The utility model has reasonable structure and convenient measurement, realizes large jump from the incapability of reading accurate numerical values to the reading of specific numerical values when the push-pull precision of the ruler hook is measured, greatly reduces the error in the push-pull precision measurement and improves the measurement precision.
Drawings
FIG. 1 is a schematic view of the tape measure in tension and top states;
Fig. 2a to 2b are schematic structural views of a conventional measuring device for push-pull precision of a ruler hook, a is a front view, and b is a top view;
Fig. 3a to 3b are schematic structural views of fig. 2 in a top-view state, a being a front view, b being a top view;
Fig. 4a to 4b are schematic structural views of fig. 2 in a tensile test state, a is a front view, and b is a top view;
FIG. 5 is a schematic diagram of an embodiment of the present utility model;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is an exploded view of an embodiment of the present utility model;
FIG. 8 is a schematic diagram of a top-view structure according to an embodiment of the present utility model
FIG. 9 is a schematic diagram showing a structure of the present utility model in a pull test state
FIG. 10 is a schematic view of a tape hold down mechanism employing a clamp for clamping;
FIG. 11 is a schematic structural view of a pneumatic clamping device;
FIG. 12 is a schematic diagram of the structure of the motion control mechanism (U-shaped hook moving mount);
FIG. 13 is a schematic view of the structure of the L-shaped hook moving seat;
FIG. 14 is a schematic view of the configuration of the pneumatic control device;
fig. 15 is a schematic structural view of a timing belt;
fig. 16 is a schematic structural view of the displacement sensor.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 5 to 16, the measuring device for the push-pull precision of the tape hook of the tape measure comprises a bottom plate 10, a tape hold-down mechanism a, a motion guide mechanism B, a tape hook measuring mechanism C and a motion control mechanism D for controlling the tape hook 9 to move from a push-open state to a pull-open state, wherein the tape hold-down mechanism a comprises a pressing clamp 2 and a tape fixing block 1, the tape fixing block 1 is fixedly arranged on the left side of the bottom plate 10, the tape 8 is arranged on the tape fixing block 1 and is clamped and fixed through the pressing clamp 2, the motion guide mechanism B adopts a linear guide 4, the linear guide 4 is fixed on the bottom plate 10 and is positioned on the right side of the tape fixing block 1 and is coaxial with the tape fixing block 1, the motion control mechanism D comprises a tape hook moving seat 5 and a traction device 6, the tape hook moving seat 5 can be arranged on the linear guide 4 in a left-right sliding manner, the traction device 6 is fixed on the bottom plate 1 and is connected with the tape hook moving seat 5 through a rope 61, the tape hook measuring mechanism C comprises a dial indicator 7 and a dial indicator mounting block 70, the dial indicator mounting block 70 is arranged on the bottom plate 1 and is clamped and fixed through the pressing clamp 2, and the pull-off state is arranged on the tape hook moving seat 9, and the relevant tape hook measuring mechanism is arranged on the side of the tape hook 9, and the tape hook is fixed by the hook is moved by the hook moving seat 9, and the measuring device is fixed on the side and is fixed by the position of the hook side and is fixed by the hook measuring device and the position of the hook measuring device.
The concrete structure is as follows: the bottom plate 10 is a rectangular plate, the tape fixing block 1 is a cuboid block with a rectangular cross section, the tape fixing block 1 is arranged on the bottom plate 10 along the length direction and is fixed by screws, the left end of the tape fixing block 1 is flush with the left end of the bottom plate 10, the middle part of the upper surface of the tape fixing block 1 is provided with a U-shaped groove 11 for attaching the surface of the tape 8 along the length direction, the U-shaped groove or the plane can also be a V-shaped groove, and a fixing seat 3 for installing the pressing clamp 2 is arranged on the bottom plate 10 and on the rear side of the right end of the tape fixing block 1. The linear guide 4 is fixed on the bottom plate 1 through a bolt, the left end of the linear guide 4 can be propped against the right end of the tape fixing block 1, or can be not propped against, the linear guide 4 is provided with a moving block 40 which can move left and right, and the lower end of the tape hook moving seat 5 is fixedly connected with the moving block 40 through a screw. The movable base 5 of the hook in this embodiment is a U-shaped movable base, or may be an L-shaped movable base, the upper surface of the movable base 5 of the hook is flush with the fixed blade block 1, and the upper surface of the movable base 5 of the hook is formed with a U-shaped groove 51 corresponding to the upper surface of the fixed blade block 1 for attaching the surface of the blade 8, which may be a V-shaped groove or a plane.
The traction device 6 is fixed on the right side of the bottom plate 10, the traction device 6 is similar to a brake cable device, a through hole 101 for the traction rope 61 to penetrate is formed in the middle of the dial indicator mounting block 70, a corresponding through hole 52 is formed in the ruler hook moving seat 5, the traction rope 61 penetrates through the dial indicator mounting block 70 to be connected with the ruler hook moving seat 5, and a round hole 702 for the pointer 71 of the dial indicator 7 to penetrate is formed in the upper end of the dial indicator mounting block 70.
In addition, the tape 8 is not limited to being clamped by the clamp 2, and a pressing block or a pneumatic clamping device 20 may be used. The measuring mechanism C is not limited to the dial 7, and the displacement sensor 700 may be used. The movement guide mechanism C is not limited to the linear guide 4, and a timing belt 40 may be used. The movement control mechanism D is not limited to the traction device 6, but may be a pneumatic device 60 or a manual push rod.
The specific operation process is as follows:
When the operation is executed, an operator only needs to push the front section of the ruler hook 9 to the pointer 71 of the dial indicator 7 instrument, and the pointer 71 is retracted by 1-2mm, so that the operation can be stopped. At this time, the tape compressing device A is closed to fix the tape 8 on the tape fixing block 1, the tape hook 9 is just in a limit state of pushing away (figure 8), namely, the top measurement is carried out, the dial indicator 8 is cleared, then the tape hook 9 is controlled by the tape hook motion control mechanism D to move towards the dial indicator 7, and the tape hook 9 is moved to a maximum state. At this time, the hook 9 is in a limit state of "pull-open" (fig. 9), namely pull-test, at this time, corresponding data (mm) is read from the hook measuring mechanism C, and the read data minus the thickness of the hook 9 is compared with the standard push-pull precision requirement of the tape measure to obtain a final conclusion of push-pull precision.
The measuring device of the embodiment realizes large jump from the fact that accurate numerical values cannot be read to the fact that specific numerical values are read when the push-pull precision is measured, so that errors in the push-pull precision measurement are greatly reduced, and the measurement precision is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (9)
1. The utility model provides a tape hook push-and-pull precision measuring device of tape measure which characterized in that: including the bottom plate, be provided with tape hold-down mechanism on the bottom plate, motion guiding mechanism, ruler hook measuring mechanism and motion control mechanism, wherein tape hold-down mechanism includes pressure pincers and tape fixing piece, the tape fixing piece is fixed to be set up in the left side of bottom plate, the tape setting is pressed from both sides tightly fixedly through pressing the pincers on the tape fixing piece, motion guiding mechanism adopts linear guide, linear guide fixes on the bottom plate, be located the right side of tape fixing piece, and coaxial with the tape fixing piece, motion control mechanism includes ruler hook movable seat and draw gear, ruler hook movable seat can set up on linear guide in a left-right sliding way, draw gear fixes on the bottom plate, be connected with ruler hook movable seat through the haulage rope, ruler hook measuring mechanism includes the percentage table, the percentage table passes through the percentage table installation piece to be set up on the bottom plate, be located the right side of ruler hook movable seat.
2. The measuring device for push-pull accuracy of a ruler hook according to claim 1, wherein: the bottom plate is a rectangular plate, the tape fixing block is a cuboid block with a rectangular section, the tape fixing block is arranged on the bottom plate along the length direction and is fixed by screws, a U-shaped groove, a V-shaped groove or a plane for attaching the tape surface is arranged in the middle of the upper surface of the tape fixing block along the length direction, and a fixing seat for installing the pressing clamp is arranged on the bottom plate and on the rear side of the right end of the tape fixing block.
3. The measuring device for push-pull accuracy of a ruler hook according to claim 2, wherein: the linear guide rail is fixed on the bottom plate through a bolt, a moving block capable of moving left and right is arranged on the linear guide rail, and the lower end of the ruler hook moving seat is fixedly connected with the moving block through a screw.
4. A ruler hook push-pull accuracy measuring device according to claim 3, wherein: the ruler hook moving seat is a U-shaped moving seat or an L-shaped moving seat, the upper surface of the ruler hook moving seat is flush with the ruler belt fixing block, and a U-shaped groove, a V-shaped groove or a plane for fitting the surface of the ruler belt is formed in the upper surface of the ruler belt moving seat.
5. The measuring device for push-pull accuracy of a ruler hook according to claim 4, wherein: the traction device is fixed on the right side of the bottom plate, the dial indicator installation block is vertically fixed on the right side of the linear guide rail on the bottom plate, the dial indicator is installed on the right side of the upper end of the dial indicator installation block, a through hole for the traction rope to pass through is formed in the middle of the dial indicator installation block, a corresponding through hole is formed in the ruler hook moving seat, the traction rope passes through the dial indicator installation block and is connected with the ruler hook moving seat, and a round hole for the pointer of the dial indicator to pass through is formed in the upper end of the dial indicator installation block.
6. The measuring device for push-pull accuracy of a ruler hook according to any one of claims 1 to 5, wherein: the tape is not limited to be clamped and fixed by a pressing clamp, and a pressing block or a pneumatic clamping device can be used for replacing the pressing clamp.
7. The measuring device for push-pull accuracy of a ruler hook according to any one of claims 1 to 5, wherein: the ruler hook measuring mechanism is not limited to the dial indicator, and a displacement sensor can be used for replacing the dial indicator.
8. The measuring device for push-pull accuracy of a ruler hook according to any one of claims 1 to 5, wherein: the motion guide mechanism is not limited to a linear guide rail, and a synchronous belt can be used for replacing the linear guide rail.
9. The measuring device for push-pull accuracy of a ruler hook according to any one of claims 1 to 5, wherein: the motion control mechanism is not limited to the traction device, but can also adopt a pneumatic device or a manual push rod to replace the traction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322510034.2U CN221006124U (en) | 2023-09-15 | 2023-09-15 | Measuring tape's hook push-and-pull precision measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322510034.2U CN221006124U (en) | 2023-09-15 | 2023-09-15 | Measuring tape's hook push-and-pull precision measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221006124U true CN221006124U (en) | 2024-05-24 |
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ID=91113519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322510034.2U Active CN221006124U (en) | 2023-09-15 | 2023-09-15 | Measuring tape's hook push-and-pull precision measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221006124U (en) |
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2023
- 2023-09-15 CN CN202322510034.2U patent/CN221006124U/en active Active
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