CN211477504U

CN211477504U - Calibrating device for special working force measuring machine

Info

Publication number: CN211477504U
Application number: CN202020392166.3U
Authority: CN
Inventors: 余雨生; 杨宗斌; 郑志富; 余新华
Original assignee: QUZHOU SECONDARY TECHNICAL SCHOOL
Current assignee: QUZHOU SECONDARY TECHNICAL SCHOOL
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-09-11
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a special work force measuring machine calibrating device, the on-line screen storage device comprises a base, the positive left side processing of base is fluted, institute the left and right sides of branch all is equipped with the scale, the top of branch is rotated through the pivot and is connected with the pulley, the top of base is equipped with the calibration subassembly. This special work dynamometer calibrating device, by the base, the recess, the baffle, branch, the scale, the cooperation of pulley and calibration subassembly, whether there is the error in the crisscross degree of user's accessible both sides pointer is directly perceived to be observed, and can measure the error size directly perceivedly to the scale, and then promote the calibration precision to the dynamometer, by the base, the recess, the baffle, branch, the scale, the cooperation of pulley and calibration subassembly, the accessible rotates the knob and drives stud and rotate, make both sides ring drive splint do simultaneously and be close or the motion of leaving, and then spacing to the dynamometer, make the direction of force of dynamometer remain vertical all the time, and then promote the precision of error measurement greatly.

Description

Calibrating device for special working force measuring machine

Technical Field

The utility model relates to a dynamometer calibrating device technical field specifically is a special work dynamometer calibrating device.

Background

The force measuring machine is a portable measuring instrument used for measuring various force values or loads, is also called as a dynamometer and has various classifications, the force measuring machine is divided into a working force measuring instrument and a standard force measuring instrument according to a using object, the main indexes for evaluating the accuracy grade of the force measuring instrument are repeatability R and stability Sb, and R reflects the change of data obtained by loading (unloading) for multiple times in a complete verification process; sb reflects the difference between the data obtained by assay after a period of time and the last data.

The special work force measuring machine calibrating device among the prior art, when using, whether the user can not observe directly perceivedly and whether have the error, can not measure the error size directly perceivedly simultaneously, and then reduce the calibration precision to the force measuring machine, lead to practicality and convenience lower, and can't carry on spacingly to the force measuring machine, and then can't make the direction of force measuring machine remain vertical throughout, reduce the precision of error measurement, produce harmful effects to the calibration of force measuring machine easily, and then inconvenient people use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special work force measuring machine calibrating device to provide the special work force measuring machine calibrating device who has in the technique in solving above-mentioned background art, when using, whether the user can not observe directly perceivedly and has the error, can not measure the error size directly perceivedly simultaneously, and then reduce the calibration precision to the force measuring machine, lead to practicality and convenience lower, the problem.

In order to achieve the above object, the utility model provides a following technical scheme: a special calibration device for a working force measuring machine comprises a base, wherein a groove is formed in the left side of the front face of the base, a baffle is in clearance fit with the front face of the groove, a support rod is fixedly connected to the top of the base, scales are arranged on the left side and the right side of the support rod, a pulley is rotatably connected to the top of the support rod through a rotating shaft, and a calibration assembly is arranged above the base;

the calibration assembly comprises a vertical rod, a bottom plate, a lantern ring, a sleeve, a bottom hook, a short plate, a support, a rope, a transverse cylinder, a pointer, a bolt and a top hook;

the utility model discloses a building structure, including montant, bottom, bearing, telescopic inner wall and branch, the bottom of montant and the top left and right sides fixed connection of base, the outer wall clearance fit of montant has the bottom plate, the bottom rigid coupling of bottom plate has the lantern ring, the inner wall of the lantern ring is rotated through the bearing and is connected with the sleeve, the below screw thread section threaded connection of telescopic inner wall and branch, the top right side rigid coupling of bottom plate has the end hook, the equal clearance fit of outer wall of montant has the short slab, the inboard rigid coupling in top of short slab has the support, two the support passes through rope swing joint, the outer wall of rope offsets tightly with the inboard recess of pulley, the front rigid coupling of short slab has horizontal section of thick bamboo, the inner wall clearance fit of horizontal section of thick bamboo has the pointer, the front left side threaded.

Preferably, the front surface of the baffle is fixedly connected with a bump. The design is convenient for a user to slide the baffle.

Preferably, the top hook and the bottom hook on the right side are located on the same vertical axis. The design can make the force direction of the force measuring machine be in a vertical state.

Preferably, the pointer is arranged corresponding to the scale. The design can visually see the accuracy of the force measuring machine through the directions of the pointers on the two sides.

Preferably, the transverse cylinder and the pointer form a sliding structure. The design can be used for accommodating the pointer when the device is not used.

Preferably, a guide assembly is arranged on the right side of the bottom plate;

the guide assembly comprises a support plate, a stud, a knob, a circular ring, a clamping plate and a roller;

the bottom of extension board and the top right side fixed connection of bottom plate, the inner of extension board rotates through the bearing and is connected with stud, stud's left end rigid coupling has the turn button, stud's outer wall threaded connection has two rings, the front rigid coupling of ring has splint, the inner clearance fit of splint has a plurality of rollers.

Preferably, the clamping plates are symmetrically distributed about the bottom hook axis. The design can guide the force measuring machine.

Preferably, the outer wall of the knob is provided with grinding lines. The design can increase the friction of the outer wall of the knob.

Compared with the prior art, the beneficial effects of the utility model are that: this special work dynamometer calibrating device structure scientific and reasonable, convenience safe in utilization:

through the base, the recess, the baffle, branch, the scale, the cooperation of pulley and calibration subassembly for the device is when using, and the dynamometer is connected to accessible one side, and the balancing weight is added to the opposite side, and the setting up of rethread pulley and rope makes the both sides pointer float, and then whether there is the error in the audio-visual observation of the crisscross degree of user's accessible both sides pointer, and can measure the error size directly perceivedly to the scale, and then promote the calibration precision to the dynamometer, and practicality and convenience are better.

Through the base, the recess, the baffle, branch, the scale, the cooperation of pulley and calibration subassembly, make the device when using, the accessible rotates the knob and drives stud and rotate, make both sides ring drive splint do simultaneously and be close or move from each other, and then carry on spacingly to the dynamometer, make the direction of stress of dynamometer remain throughout vertical, and then promote the measuring precision of error greatly, play the additional action to the calibration of dynamometer, and then make things convenient for people to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the collar, strut and sleeve of FIG. 1;

FIG. 3 is a schematic view of the top hook, short plate and bracket of FIG. 1;

FIG. 4 is a schematic view of the stud, knob and clamping plate of FIG. 1.

In the figure: 1. base, 2, recess, 3, baffle, 4, branch, 5, scale, 6, pulley, 7, alignment subassembly, 701, montant, 702, bottom plate, 703, the lantern ring, 704, sleeve, 705, bottom hook, 706, short slab, 707, support, 708, rope, 709, horizontal cylinder, 710, pointer, 711, bolt, 712, top hook, 8, guide assembly, 801, extension board, 802, stud, 803, turn button, 804, the lantern ring, 805, splint, 806, roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a special work dynamometer calibrating device, including base 1, base 1's positive left side processing is fluted 2, recess 2 is used for placing the balancing weight, recess 2's positive clearance fit has baffle 3, the positive rigid coupling of baffle 3 has the lug, design convenient to use person slides baffle 3 like this, base 1's top rigid coupling has branch 4, the left and right sides of branch 4 all is equipped with scale 5, the top of branch 4 is rotated through the pivot and is connected with pulley 6, base 1's top is equipped with calibration subassembly 7.

The calibration component 7 comprises a vertical rod 701, a bottom plate 702, a lantern ring 703, a sleeve 704, a bottom hook 705, a short plate 706, a support 707, a rope 708, a transverse cylinder 709, a pointer 710, a bolt 711 and a top hook 712, wherein the bottom of the vertical rod 701 is fixedly connected with the left side and the right side of the top of the base 1, the bottom plate 702 is in clearance fit with the outer wall of the vertical rod 701, the lantern ring 703 is fixedly connected with the bottom of the bottom plate 702, the inner wall of the lantern ring 703 is in clearance fit with the outer wall of the support rod 4, the sleeve 703 is rotatably connected with the inner wall of the lantern ring 703 through a bearing, the inner wall of the sleeve 704 is in threaded connection with the lower threaded section of the support rod 4, the height of the bottom plate 702 can be adjusted by rotating the sleeve 704, the bottom hook 705 is fixedly connected with the right side of the top of the bottom plate 702, the short plates 706 are in clearance fit with the outer wall of the vertical rod 701, the short rods 706 are symmetrically, the front rigid coupling of short plate 706 has horizontal section of thick bamboo 709, the inner wall clearance fit of horizontal section of thick bamboo 709 has pointer 710, horizontal section of thick bamboo 709 constitutes sliding structure with pointer 710, design like this can accomodate pointer 710 when not using the device, pointer 710 corresponds the setting with scale 5, design like this the precision of dynamometer machine is directly perceived directly perceivedly to the direction of accessible both sides pointer 710, the front left side threaded connection of pointer 710 has bolt 711, the equal rigid coupling in bottom of short plate 706 has top hook 712, right side top hook 712 is located same vertical axis with bottom hook 705, design like this can make the direction of force bearing of dynamometer machine be vertical state.

The right side of the bottom plate 702 is provided with a guide assembly 8, the guide assembly 8 comprises a support plate 801, a stud 802, a rotating button 803, a ring 804, a clamping plate 805 and rollers 806, the bottom of the support plate 801 is fixedly connected with the right side of the top of the bottom plate 702, the inner end of the support plate 801 is rotatably connected with the stud 802 through a bearing, the support plate 801 enables the stud 802 to rotate when being stressed, the left end of the stud 802 is fixedly connected with the rotating button 803, the outer wall of the rotating button 803 is machined with grinding lines, friction of the outer wall of the rotating button 803 can be increased through the design, the outer wall of the stud 802 is in threaded connection with the two rings 804, the clamping plate 805 is fixedly connected to the front side of the ring 804, the clamping plate 805 is axially and symmetrically distributed relative to the bottom hook 705, the force measuring machine can be guided through the design, the force measuring machine can be kept stable and vertical.

In this embodiment, when the calibration device for the dedicated working dynamometer is used, first, the upper and lower ends of the dynamometer are respectively connected with the right top hook 712 and the bottom hook 705 in a clamping manner, the sleeve 704 is rotated, the sleeve 704 is connected with the support rod 4 through the screw thread, so that the height of the bottom plate 702 can be adjusted according to the size of the dynamometer, the dynamometer is kept in a vertical and tight state, the rotating knob 803 is rotated, the support plate 801 is connected with the stud 802 in a rotating manner, so that the rings 804 on the two sides simultaneously drive the clamping plate 805 to move inwards, the clamping and limiting effect is further achieved on the dynamometer, the stress direction of the dynamometer is always kept vertical, at this time, the sliding baffle 3 is used for taking out the counterweight block from the groove 2 and hanging the counterweight block on the left top hook 712, the counterweight block is connected with the pulley 6 in a rotating manner through the rope 708, the short plates 706 on the two sides simultaneously move, and through the corresponding arrangement of the pointer 710, and in addition, the device accessible switches different balancing weights simultaneously, and then observes the accurate degree of dynamometer, promotes the calibration precision to the dynamometer greatly, and then makes things convenient for people to use.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special work dynamometer calibrating device, includes base (1), its characterized in that: a groove (2) is formed in the left side of the front face of the base (1), a baffle (3) is in clearance fit with the front face of the groove (2), a supporting rod (4) is fixedly connected to the top of the base (1), scales (5) are arranged on the left side and the right side of the supporting rod (4), a pulley (6) is rotatably connected to the top of the supporting rod (4) through a rotating shaft, and a calibration assembly (7) is arranged above the base (1);

the calibration assembly (7) comprises a vertical rod (701), a bottom plate (702), a lantern ring (703), a sleeve (704), a bottom hook (705), a short plate (706), a support (707), a rope (708), a transverse cylinder (709), a pointer (710), a bolt (711) and a top hook (712);

the bottom of montant (701) and the top left and right sides fixed connection of base (1), the outer wall clearance fit of montant (701) has bottom plate (702), the bottom rigid coupling of bottom plate (702) has lantern ring (703), the inner wall of lantern ring (703) is connected with sleeve (704) through the bearing rotation, the inner wall of sleeve (704) and the below screw thread section threaded connection of branch (4), the top right side rigid coupling of bottom plate (702) has end hook (705), the equal clearance fit of outer wall of montant (701) has short slab (706), the inboard rigid coupling in top of short slab (706) has support (707), two support (707) pass through rope (708) swing joint, the outer wall of rope (708) offsets tightly with the inboard recess of pulley (6), the front rigid coupling of short slab (706) has horizontal section of thick bamboo (709), the inner wall clearance fit of horizontal section of thick bamboo (709) has pointer (710), the left side of the front face of the pointer (710) is in threaded connection with a bolt (711), and the bottoms of the short plates (706) are fixedly connected with top hooks (712).

2. A dedicated work force measuring machine calibration device according to claim 1, wherein: the front surface of the baffle (3) is fixedly connected with a convex block.

3. A dedicated work force measuring machine calibration device according to claim 1, wherein: the top hook (712) and the bottom hook (705) on the right side are on the same vertical axis.

4. A dedicated work force measuring machine calibration device according to claim 1, wherein: the pointer (710) is arranged corresponding to the scale (5).

5. A dedicated work force measuring machine calibration device according to claim 1, wherein: the transverse cylinder (709) and the pointer (710) form a sliding structure.

6. A dedicated work force measuring machine calibration device according to claim 1, wherein: a guide assembly (8) is arranged on the right side of the bottom plate (702);

the guide assembly (8) comprises a support plate (801), a stud (802), a knob (803), a circular ring (804), a clamping plate (805) and a roller (806);

the bottom of extension board (801) and the top right side fixed connection of bottom plate (702), the inner of extension board (801) is connected with stud (802) through the bearing rotation, the left end rigid coupling of stud (802) has turn button (803), the outer wall threaded connection of stud (802) has two rings (804), the front rigid coupling of ring (804) has splint (805), the inner clearance fit of splint (805) has a plurality of rollers (806).

7. The calibration device of claim 6, wherein the calibration device comprises: the clamping plates (805) are distributed in an axisymmetric manner with respect to the bottom hook (705).

8. The calibration device of claim 6, wherein the calibration device comprises: the outer wall of the rotating button (803) is processed with grinding grains.