CN217878154U - Portable spring dynamometer calibrating device - Google Patents
Portable spring dynamometer calibrating device Download PDFInfo
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- CN217878154U CN217878154U CN202222189477.1U CN202222189477U CN217878154U CN 217878154 U CN217878154 U CN 217878154U CN 202222189477 U CN202222189477 U CN 202222189477U CN 217878154 U CN217878154 U CN 217878154U
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Abstract
The utility model discloses a portable spring dynamometer calibrating device, which comprises a mounting seat, wherein the top of the mounting seat is provided with a placing groove and two sliding grooves, lifting plates are arranged in the two sliding grooves in a sliding manner, extrusion plates are arranged in the placing groove, and racks are vertically arranged on two opposite sides of one of the lifting plates; the two opposite ends of the middle part of the extrusion plate are respectively provided with a sliding block, the two opposite side walls of the placing groove are respectively provided with a connecting groove, and the two sliding blocks are respectively connected with the two connecting grooves in a sliding manner; the one end of two spread grooves all communicates with same spout, all rotates in two spread grooves and installs the screw rod, the one end of two screw rods respectively with two slider threaded connection, the relative other end of two screw rods all is located same spout and all the overcoat is fixed with the gear, two gears respectively with two rack toothing. The utility model provides an extrusion plate that exists remove comparatively hard, the extrusion plate is to the less technical problem of the extrusion force of calibration block among the prior art.
Description
Technical Field
The utility model relates to a measurement calibration technical field, in particular to portable spring dynamometer calibrating device.
Background
In the long-time use process of the spring dynamometer, the spring deforms, so that the dynamometer has the condition of inaccurate measuring result, and the dynamometer needs to be calibrated. The conventional calibration device is large in size, inconvenient to carry and poor in use flexibility, so that the invention of the portable spring dynamometer calibration device is urgently needed.
The invention discloses a measuring calibration device, which is also improved over the prior art, and is disclosed in Chinese patent application publication No. CN111998992A, when the device is used, a dynamometer to be calibrated and a standard dynamometer are hung on two fixed hooks, then a group of calibration blocks are selected, two identical calibration blocks are hung on the dynamometer to be calibrated and the standard dynamometer, whether the numerical values displayed by the dynamometer to be calibrated and the standard dynamometer are identical or not is observed, if the numerical values are different, the numerical values are adjusted to be identical to the numerical values of the standard dynamometer by adjusting a calibration knob on the dynamometer to be calibrated, thereby achieving the purpose of calibration, after the device is used, the dynamometer to be calibrated and the standard dynamometer are taken down, put into the standing groove with the calibration block, then twist and move two bolts, make two bolts break away from two thread grooves, remove the fixed to two lifter plates, then press the apron downwards, make the apron lid at the top of mount pad, meanwhile, the lifter plate moves the rack and removes, make the gear drive the screw rod and rotate, make the movable plate with screw rod threaded connection move left, the movable plate passes through the connecting rod and drives the stripper plate and slide left, it is fixed to extrude two sets of calibration blocks through the stripper plate, the in-process calibration block that prevents to carry rocks, at last with two bolt precession above two thread grooves, fix two lifter plates, mention the apron through the handle, conveniently carry.
However, the invention has the following problems when driving the extrusion plate to move: 1) The screw is in threaded connection with the top of the moving plate to drive the moving plate to move, and the bottom of the moving plate is fixedly connected with the bottom of the extrusion plate to drive the extrusion plate to move, so that the extrusion plate is difficult to move; 2) The stress point of the extrusion plate is located at the bottom of the extrusion plate, so that the whole extrusion force of the extrusion plate on the calibration block is small, and the carrying of the extrusion block can not be effectively prevented from shaking.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the prior art, providing a portable spring dynamometer calibrating device, the utility model discloses a two rack drives two gear revolve respectively, and two gears drive two screw rods respectively and rotate, and two screw rods drive two sliders respectively and remove along the spread groove, because two sliders are located the relative both ends at stripper plate middle part respectively, consequently the utility model discloses not only can comparatively laborsaving drive the stripper plate and remove along the spread groove, can increase the whole extrusion force to the calibration block of stripper plate moreover.
In order to realize the purpose, the utility model discloses a technical scheme be:
a portable spring dynamometer calibration device comprises a mounting seat, wherein a placing groove and two sliding grooves are formed in the top of the mounting seat, the placing groove is located between the two sliding grooves, lifting plates are slidably mounted in the two sliding grooves, the tops of the two lifting plates are jointly provided with a same cover plate, an extrusion plate is arranged in the placing groove, fixing grooves are vertically formed in two opposite sides of one of the two lifting plates, and racks are vertically and fixedly mounted on the side walls of the two fixing grooves;
the two opposite ends of the middle part of the extrusion plate are respectively provided with a sliding block, the two opposite side walls of the placing groove are respectively provided with a connecting groove, and the two sliding blocks are respectively connected with the two connecting grooves in a sliding manner;
two the one end of spread groove all communicates with same spout, two all rotate in the spread groove and install the screw rod, two the one end of screw rod respectively with two slider threaded connection, two the relative other end of screw rod all is located same spout and all overcoat is fixed with the gear, two the gear respectively with two rack toothing.
Further, the bottom fixed mounting of apron has two couples, two one side of keeping away from each other on the lifter plate is equipped with two thread grooves respectively, and is same two thread grooves on the lifter plate are located the top of lifter plate and the bottom of lifter plate respectively, the equal threaded mounting in both sides relatively of mount pad has the bolt, two the bolt respectively with two thread groove threaded connection that correspond.
Furthermore, at least one group of calibration blocks are placed in the placing groove, the calibration blocks are located between the extrusion plate and the gear, hanging rings are arranged at the tops of the calibration blocks, the two hooks are respectively hung with a dynamometer to be calibrated and a standard dynamometer, and a handle is arranged at the top of the cover plate.
Furthermore, bearings are fixedly mounted at two opposite ends of the connecting groove respectively, and two opposite ends of the screw rod are fixedly connected with the inner walls of the two bearing inner rings respectively.
Furthermore, two all be equipped with the spacing groove on the mutual one side inner wall of keeping away from of spout, two the side of lifter plate is equipped with the stopper respectively, two the stopper respectively with two spacing groove sliding connection.
Furthermore, the handle is provided with an anti-skid ridge.
The utility model has the advantages that:
the utility model discloses a two racks drive two gear revolve respectively, and two gears drive two screw rods respectively and rotate, and two screw rods drive two sliders respectively and remove along the spread groove, because two sliders are located the relative both ends at stripper plate middle part respectively, consequently the utility model discloses not only can remove along the spread groove by comparatively laborsaving drive stripper plate, can increase the whole extrusion force to the calibration block of stripper plate moreover.
Drawings
Fig. 1 is a schematic structural view of a portable spring dynamometer calibration device of the present invention;
fig. 2 is a schematic structural view of a lifting plate in the calibrating device of the portable spring dynamometer of the present invention;
FIG. 3 is a schematic structural view of an extrusion plate in the calibrating apparatus for a portable spring dynamometer of the present invention;
FIG. 4 is a schematic structural view of a mounting base in a portable spring dynamometer calibration apparatus of the utility model;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a sectional view of the whole structure of the portable spring dynamometer calibrating device of the present invention;
fig. 7 is a partial structural sectional view of the portable spring force gauge calibration device of the present invention.
In the figure: 1. a mounting base; 11. a placement groove; 12. a chute; 13. a first threaded hole; 14. connecting grooves; 15. a bearing; 2. a calibration block; 21. hanging a ring; 3. a lifting plate; 31. a thread groove; 32. fixing grooves; 33. a rack; 4. a cover plate; 41. a handle; 42. hooking; 5. calibrating the dynamometer; 6. a standard dynamometer; 7. a bolt; 8. a compression plate; 81. a slider; 82. a second threaded hole; 9. a screw; 10. a gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly and completely with reference to fig. 1 to 7, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The utility model provides a portable spring dynamometer calibrating device.
A portable spring dynamometer calibrating device comprises a mounting seat 1, wherein a placing groove 11 and two sliding grooves 12 are formed in the top of the mounting seat 1, the placing groove 11 is located between the two sliding grooves 12, lifting plates 3 are slidably mounted in the two sliding grooves 12, the top of each of the two lifting plates 3 is commonly provided with a same cover plate 4, an extrusion plate 8 is arranged in the placing groove 11, fixing grooves 32 are vertically formed in two opposite sides of one lifting plate 3 of the two lifting plates 3, and racks 33 are vertically and fixedly mounted on the side walls of the two fixing grooves 32; the two opposite ends of the middle part of the extrusion plate 8 are respectively provided with a sliding block 81, the two opposite side walls of the placing groove 11 are respectively provided with a connecting groove 14, and the two sliding blocks 81 are respectively connected with the two connecting grooves 14 in a sliding manner; the one end of two spread grooves 14 all communicates with same spout 12, all rotates in two spread grooves 14 and installs screw rod 9, the one end of two screw rods 9 respectively with two slider 81 threaded connection, the relative other end of two screw rods 9 all is located same spout 12 and all the overcoat is fixed with gear 10, two gear 10 respectively with two rack 33 meshing. In a specific embodiment, the two sliding blocks 81 are respectively provided with a second threaded hole 82, the second threaded holes 82 penetrate through two opposite side surfaces of the sliding blocks 81, and the two screws 9 are respectively in threaded connection with the two second threaded holes 82.
In the technical scheme that this application provided, drive two gears 10 respectively through two racks 33 and rotate, two gears 10 drive two screw rods 9 respectively and rotate, and two screw rods 9 drive two sliders 81 respectively and remove along spread groove 14, because two sliders 81 are located the relative both ends at 8 middle parts of stripper plate respectively, consequently the utility model discloses not only can be comparatively laborsaving drive stripper plate 8 and remove along spread groove 14, can increase the whole extrusion force to calibration block 2 of stripper plate 8 moreover.
The bottom fixed mounting of apron 4 has two couples 42, and the one side of keeping away from each other on two lifter plates 3 is equipped with two thread grooves 31 respectively, and two thread grooves 31 on same lifter plate 3 are located the top of lifter plate 3 and the bottom of lifter plate 3 respectively, and bolt 7 is installed to the equal screw thread in relative both sides of mount pad 1, and two bolt 7 respectively with two thread grooves 31 threaded connection that correspond. In a specific embodiment, two opposite ends of the mounting base 1 are respectively provided with two first threaded holes 13, the two first threaded holes 13 are respectively communicated with the two sliding grooves 12, and the two bolts 7 are respectively in threaded connection with the two first threaded holes 13.
At least one group of calibration blocks 2 are placed in the placing groove 11, the calibration blocks 2 are located between the extrusion plate 8 and the gear 10, the top of each calibration block 2 is provided with a hanging ring 21, the two hooks 42 are respectively hung with a dynamometer 5 to be calibrated and a standard dynamometer 6, and the top of the cover plate 4 is provided with a handle 41. In the embodiment, two sets of calibration blocks 2 are placed in the placement groove 11.
The opposite ends of the connecting groove 14 are respectively fixedly provided with a bearing 15, and the opposite ends of the screw rod 9 are respectively fixedly connected with the inner walls of the inner rings of the two bearings 15. The arrangement of the two bearings 15 can effectively prevent the screw 9 from shifting during rotation.
The inner wall of one side of each sliding groove 12, which is far away from each other, is provided with a limiting groove (not shown), the side surfaces of the two lifting plates 3 are respectively provided with a limiting block (not shown), and the two limiting blocks are respectively connected with the two limiting grooves in a sliding manner. The movement of the lifting plate 3 can be limited by the arrangement of the limiting blocks and the limiting grooves, and when the limiting blocks move to the top ends of the limiting grooves, the two first threaded holes 13 are flush with the two threaded grooves 31 below. The movement of the lifting plate 3 is limited by the matching of the limiting groove and the limiting block, which belongs to the common technology, and therefore, the drawing is not shown any more.
The handle 41 is provided with an anti-slip ridge (not shown). The provision of the anti-slip ribs facilitates the operation of the handle 41.
The working principle of the utility model is as follows:
when the device is used, the dynamometer 5 to be calibrated and the standard dynamometer 6 are hung on the two hooks 42 respectively, then a group of calibration blocks 2 is selected, two identical calibration blocks 2 are hung on the dynamometer 5 to be calibrated and the standard dynamometer 6 respectively, whether the display values of the dynamometer 5 to be calibrated and the standard dynamometer 6 are consistent or not is observed, if the display values are different, the display values of the dynamometer 5 to be calibrated and the standard dynamometer 6 are adjusted to be the same as the display values of the standard dynamometer 6 through adjusting a standard knob on the dynamometer 5 to be calibrated, and therefore the purpose of calibration is achieved;
after the calibration block is used, the dynamometer 5 to be calibrated and the standard dynamometer 6 are taken down, the calibration block 2 is placed in the placing groove 11, then the two bolts 7 are screwed, the two bolts 7 are separated from the two thread grooves 31 below, the two lifting plates 3 are released from being fixed, then the cover plate 4 is pressed downwards through the handle 41, the cover plate 4 covers the top of the mounting seat 1, meanwhile, the lifting plates 3 drive the two racks 33 to move, the two racks 33 drive the two screws 9 to rotate, the two screws 9 simultaneously drive the two sliding blocks 81 to slide leftwards along the connecting grooves 14, so that the extrusion plates 8 are driven to slide leftwards along the connecting grooves 14, the two sets of calibration blocks 2 are extruded and fixed through the extrusion plates 8, the calibration block 2 is prevented from shaking in the carrying process, finally the two bolts 7 are screwed into the two thread grooves 31 above, the two lifting plates 3 are fixed, the cover plate 4 is lifted through the handle 41, and the calibration block is convenient to carry.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. The utility model provides a portable spring dynamometer calibrating device, includes the mount pad, standing groove and two spouts have been seted up at the top of mount pad, the standing groove is located between two spouts, two equal slidable mounting has a lifter plate, two in the spout same apron is installed jointly to the top of lifter plate, be equipped with stripper plate, its characterized in that in the standing groove:
fixing grooves are vertically formed in two opposite sides of one of the two lifting plates, and racks are vertically and fixedly mounted on the side walls of the two fixing grooves;
the two opposite ends of the middle part of the extrusion plate are respectively provided with a sliding block, the two opposite side walls of the placing groove are respectively provided with a connecting groove, and the two sliding blocks are respectively connected with the two connecting grooves in a sliding manner;
two the one end of spread groove all communicates with same spout, two all rotate in the spread groove and install the screw rod, two the one end of screw rod respectively with two slider threaded connection, two the relative other end of screw rod all is located same spout and all overcoat is fixed with the gear, two the gear respectively with two rack toothing.
2. A portable spring load cell calibration device according to claim 1, wherein:
the bottom fixed mounting of apron has two couples, two one side of keeping away from each other on the lifter plate is equipped with two thread grooves respectively, and is same two thread grooves on the lifter plate are located the top of lifter plate and the bottom of lifter plate respectively, the equal threaded mounting in both sides relatively of mount pad has the bolt, two the bolt respectively with two thread groove threaded connection that correspond.
3. A portable spring load cell calibration device according to claim 2, wherein:
at least one group of calibration blocks are placed in the placing groove, the calibration blocks are located between the extrusion plate and the gear, hanging rings are arranged at the tops of the calibration blocks, two hooks are hung on the two hanging rings respectively, a dynamometer to be calibrated and a standard dynamometer are hung on the two hanging rings, and a handle is arranged at the top of the cover plate.
4. A portable spring load cell calibration device according to claim 3, wherein:
and bearings are respectively and fixedly installed at the two opposite ends of the connecting groove, and the two opposite ends of the screw rod are respectively and fixedly connected with the inner walls of the two bearing inner rings.
5. A portable spring load cell calibration device according to claim 4, wherein:
two all be equipped with the spacing groove on the spout one side inner wall of keeping away from each other, two the side of lifter plate is equipped with the stopper respectively, two the stopper respectively with two spacing groove sliding connection.
6. A portable spring load cell calibration device according to claim 5, wherein:
the handle is provided with an anti-skid edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222189477.1U CN217878154U (en) | 2022-08-19 | 2022-08-19 | Portable spring dynamometer calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222189477.1U CN217878154U (en) | 2022-08-19 | 2022-08-19 | Portable spring dynamometer calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217878154U true CN217878154U (en) | 2022-11-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222189477.1U Active CN217878154U (en) | 2022-08-19 | 2022-08-19 | Portable spring dynamometer calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217878154U (en) |
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2022
- 2022-08-19 CN CN202222189477.1U patent/CN217878154U/en active Active
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