CN201233347Y - Loading and unloading device of rockwell apparatus with amortization function - Google Patents
Loading and unloading device of rockwell apparatus with amortization function Download PDFInfo
- Publication number
- CN201233347Y CN201233347Y CNU2008200253486U CN200820025348U CN201233347Y CN 201233347 Y CN201233347 Y CN 201233347Y CN U2008200253486 U CNU2008200253486 U CN U2008200253486U CN 200820025348 U CN200820025348 U CN 200820025348U CN 201233347 Y CN201233347 Y CN 201233347Y
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- loading
- oil cylinder
- piston
- piston rod
- unloading device
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Abstract
The utility model discloses a Rockwell apparatus loading-unloading device with a buffering function, which comprises a link mechanism, a buffering mechanism and a control mechanism, wherein, one end of a loading-unloading lever of the link mechanism is fixedly connected with a piston rod in the buffering mechanism, and the other end is fixedly connected with a guiding shaft, and the guiding shaft is matched with a bearing sleeve in a sliding way in the axial direction; a transmission rod is movably connected with a transmission rod bracket, and one end of the transmission rod is provided with a rolling ball that can be contacted with the loading-unloading lever through an eccentric shaft, and the other end is provided with a bearing that can be contacted with a cam in the control mechanism. The loading-unloading device has simple structure and small volume, and saves time and is easy to be processed and assembled, and has low manufacturing cost, long service life, convenient operation, stable movement and correct loading and unloading; the device is applicable to different sclerometer, and can be applied to the Rockwell apparatus to measure the Rockwell hardness of the ferrous metal, non-ferrous metal and the non-metal material.
Description
Technical field
The utility model relates to Rockwell hardometer, more particularly is the loading and unloading device of the band pooling feature that uses on the Rockwell hardometer.
Background technology
Existing Rockwell hardometer loading and unloading device comprises rack-and-pinion engaging mechanism, cam mechanism, control gear, buffer gear etc., wherein: the complex structure of (1) rack-and-pinion engaging mechanism, cam mechanism and control gear, require parts machining precision height, the manufacturing cost height, and loading, off-load action each handle control by a handle; When operation loading handle, be easy to generate blocked portion phenomenon, troublesome poeration.(2) be being connected between buffer gear and the rack-and-pinion engaging mechanism by being arranged on the incompatible realization that matches of annular groove that shift fork on the tooth bar and piston rod be provided with.Its main deficiency is: owing to be combined with the gap between the two, thereby piston rod idle motion will occur when moving downward, impact is arranged, bumpy motion.And the requirement of the processing technology of above-mentioned parts is very high, once is difficult to processing and puts in place, need manually grind, manufacture.(3) piston in the buffer gear is provided with axial oil through, seals up above-mentioned oil through by the oil return lid that is sleeved on the piston rod, and the oil return lid is then lived the position by the spring and the fixed by nut that are located on the piston rod; The cylinder body bottom end cover is arranged on the cylinder pedestal, and cylinder pedestal is packed on the base of buffer gear.Its main deficiency is: the sealing of buffer gear is poor, and axial dimension is too big, and the effective exercise stroke is little, processing, during assembly fee, trouble.
Summary of the invention
The purpose of this utility model is exactly that a kind of Rockwell hardometer loading and unloading device that can overcome the band pooling feature of above-mentioned deficiency will be provided, the utility model is simple in structure, volume is little, easy to manufacture, cost is low, long service life, the operation assembling saves time conveniently, and motion no-idle running, nothing are impacted, stable working is reliable, and it is accurate to add off-load.
In order to achieve the above object, technical solution of the present utility model is: the Rockwell hardometer loading and unloading device of band pooling feature comprises linkage assembly, buffer gear, control gear; This linkage assembly comprises drive link, bearing, ball, adds off-load lever, piston rod, the axis of guide, bearing holder (housing, cover) and oil cylinder seat; This adds the fixedly connected axis of guide of an end that the off-load lever is provided with open trough, and this axis of guide forms axial sliding fit with the bearing holder (housing, cover) that is arranged on the oil cylinder seat, and this adds the piston rod in the fixedly connected buffer gear of the other end of off-load lever; This drive link forms flexible connection with the transmission bridge that is packed on the oil cylinder seat, one end of this drive link is fixed with the excentric shaft perpendicular with it, on above-mentioned excentric shaft, be equipped with can with the contacted ball of the lower surface that adds the off-load lever, its other end be equipped with can with the contacted bearing of the cam in the control gear.
Described control gear comprises handgrip, crank, the coupling shaft and the cam of cover is housed; One end of this coupling shaft is equipped with cam, and its other end is connected with crank, and this crank is connected with the handgrip screw that is with handgrip again; Be arranged on the cam straight pin can with put the circular arc cutaway that is provided with and match.
Described buffer gear comprises cylinder body, piston, piston rod, spindle, spring and the steel ball that is packed on the oil cylinder seat; This piston rod passes oil cylinder seat and stretches in the cylinder body, and spring and piston are equipped with in its lower end; Be provided with step through-hole in this cylinder body sidewall, its interior sidewall surface is provided with two annular grooves that communicate with above-mentioned step through-hole and cylinder body inner chamber; The bottom of spindle is passed oil cylinder seat and is screwed in the above-mentioned step through-hole, and the lower end of this spindle is a cone, can match with above-mentioned step through-hole; Be provided with on the lower surface of piston a plurality of on same circumference equally distributed step through-hole, near being placed with steel ball in the counterbore of piston lower surface and steel ball being held in above-mentioned counterbore by the supporting plate that is packed on the piston rod, the step place of steel ball and above-mentioned stepped hole can form tight connecting.
The oil cylinder bottom end cover is equipped with in described cylinder body lower end.
Stretch out outside the oil cylinder seat on described spindle top, and its upper end face is provided with the adjusting mouth that is in-line.
Compared with the prior art the utility model has the following advantages and good effect:
The simple and reasonable compactness of the utility model, volume is little, and processing, assembling save time, easily low cost of manufacture, long service life; Simple to operation, can control like a cork by a handgrip and to add off-load action, operator the blocked portion phenomenon will not occur during loading, and motion is steadily, no-idle running, nothing impact, and it is accurate to add off-load, safe and reliable; The good airproof performance of buffer gear, axial dimension is little, effective travel is big, handling ease, easy to assembly.The utility model can be used on various types of sclerometers, be applied to measure on the Rockwell hardometer Rockwell's hardness of ferrous metal, non-ferrous metal, nonmetallic materials, be applicable to the rockwell hardness measurement of quenching, heat treatment material such as modified, be suitable for plane-parallel precision measurement, and the rockwell hardness measurement of curved surface is reliable and stable.
Description of drawings
Fig. 1 is a main TV structure synoptic diagram of the present utility model
Fig. 2 be Fig. 1 B-B cut-open view
Fig. 3 is C-C cut-open view of Fig. 1
Fig. 4 is the plan structure synoptic diagram of Fig. 1
Fig. 5 is A-A cut-open view of Fig. 1
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
Description of reference numerals: 1-piston rod; The 2-gib screw; 3-adds the off-load lever; The 4-axis of guide; The 5-bearing holder (housing, cover); The 6-spindle; The 7-spring; The 8-oil cylinder seat; 9-transmission bridge; The 10-straight pin; Hexagonal cylinder in the 11-; The 12-hexagon socket cap head screw; The 13-hexagon socket cap head screw; The 14-piston; The 15-cylinder body; 16-oil cylinder bottom end cover; The 17-supporting plate; The 18-O RunddichtringO; The 19-steel ball; The 20-O RunddichtringO; The 21-circlip for shaft; The 22-hexagonal nut; The 23-excentric shaft; The 24-drive link; The 25-ball; The 26-bearing pin; The 27-cam; The 28-cover; The 29-coupling shaft; The 30-straight pin; The 31-handgrip; 32-handgrip screw; The 33-crank; The 34-straight pin; 35-zanjon ball bearing; The 36-nut.
By Fig. 1-Fig. 5 as can be known, the utility model comprises control gear, linkage assembly and buffer gear, and this control gear is arranged on a side of linkage assembly and is connected with linkage assembly, and this buffer gear is arranged on the below of linkage assembly and is connected with linkage assembly; Wherein:
By Fig. 1, Fig. 5 as can be known, this control gear comprises handgrip 31, handgrip screw 32, crank 33, coupling shaft 29, cover 28 and cam 27, the center section of this coupling shaft 29 passes the endoporus of cover 28, the one end is fixed with crank by straight pin 30 and is withstood by screw, this crank is connected with the handgrip screw 32 that is with handgrip 31, the other end of this coupling shaft is equipped with rotating cam 27 by screw, straight pin 30 is installed in the hole on cam, this straight pin 30 can match with cover 28 circular arc cutaway that are provided with, thus the stroke of control handgrip.
By Fig. 1, Fig. 3, Fig. 4 as can be known, this linkage assembly comprises drive link 24, excentric shaft 23, ball 25, adds off-load lever 3, piston rod 1, the axis of guide 4, bearing holder (housing, cover) 5 and oil cylinder seat 8.The center section of this drive link 24 forms with transmission bridge 9 by straight pin 10 and flexibly connects, and this straight pin 10 is withstood by interior hexagonal cylinder 11, and this transmission bridge 9 is packed on the oil cylinder seat 8 by hexagon socket cap head screw 12; The right-hand member of this drive link is fixed with an end of the excentric shaft perpendicular with it 23 by hexagonal nut 22, and the other end of this excentric shaft is equipped with rotating ball 25 by circlip for shaft 21, and this ball can contact with the lower surface that adds off-load lever 3; The left end of this drive link is equipped with bearing pin 26 and by nut locking, rotating zanjon ball bearing 35 is housed on this bearing pin 26, and this bearing 35 can contact with the cam 27 that can rotate in the control gear.
This left end that adds off-load lever 3 forms a fixed connection by the upper end of the piston rod 1 in gib screw 2 and the buffer gear, and its right-hand member is provided with open trough, and the effect of this open trough is can hold up or break away from the counterweight assembly that hangs on the main lever.This adds the position fixedly connected axis of guide 4 of off-load lever 3 near above-mentioned open trough, and this axis of guide 4 can form axial sliding fit with bearing holder (housing, cover) 5, and this bearing holder (housing, cover) 5 is packed in the right-hand member of oil cylinder seat 8.This axis of guide 4 can move up and down in bearing holder (housing, cover) 5 under the drive that adds off-load lever 3.
As seen from Figure 1, Figure 2, this buffer gear comprises cylinder body 15, piston 14, piston rod 1, spindle 6, spring 7, steel ball 19 and oil cylinder seat 8.The upper end of this cylinder body 15 is packed in by hexagon socket cap head screw 13 on the lower surface of oil cylinder seat, and oil cylinder bottom end cover 16 is equipped with in its lower end, between the lower surface of this oil cylinder bottom end cover and cylinder body O RunddichtringO 18 is housed.The inner chamber that this piston rod 1 passes oil cylinder seat and stretches into cylinder body, its part between oil cylinder seat and piston is with spring 7, in the lower end of piston rod piston 14 is housed.
Be provided with axial step through-hole in cylinder body 15 sidewalls, its interior sidewall surface is provided with two annular grooves that can all communicate with the inner chamber of above-mentioned step through-hole, cylinder body.The bottom of this spindle 6 passes oil cylinder seat 8 and to be threaded in the above-mentioned step through-hole, its lower end is a cone, can match with the step through-hole that oil cylinder seat is provided with, and this spindle 6 stretches out the outer upper end face of oil cylinder seat and is provided with the adjusting mouth that is in-line.Between the inner hole surface of the outer circumference surface of spindle and cylinder body, O RunddichtringO 20 is housed.Rotate spindle 6, can regulate the size in gap between cone and the step through-hole on the cylinder body 15 on the spindle, controlling the flowing velocity of oil, thereby the movement velocity of control piston 14 and piston rod 1 finally reaches the speed that adds off-load of controlling.
Be provided with a plurality of on the piston 14 as 4,6 or 8 axial step holes uniform on same circumference, be placed with steel ball 19 near in the counterbore of piston lower surface, and by the supporting plate 17 that is packed on the piston rod 1 steel ball is held in above-mentioned counterbore, the step place of steel ball and above-mentioned stepped hole can form tight connecting.The effect of steel ball 19 is when piston 14 moves downward, and oil floats steel ball and the through hole on the piston is blocked, and oily then step through-hole that can only pass through on the cylinder body 15 upwards flows.The movement velocity that control piston is come in cone that like this can be by regulating spindle 6 lower ends and the gap between the step through-hole on the piston.When piston moves upward, undamped, steel ball 19 is fallen bottommost, and is oily then flow out the center stepped hole from piston.The effect of buffer gear is: realize that piston, piston rod steadily move up and down lentamente, do not have and impact, thereby realize steadily adding lentamente off-load.
Principle of work of the present utility model is:
During loading, handgrip 31 is pulled to the place ahead, cam 27 rotates along clockwise direction, drive link 24 is done the clockwise direction rotation around straight pin 10, add off-load lever 3 under the action of gravity of counterweight assembly and sink, drive piston rod 1, piston 14 steadily move downward together lentamente under the guide effect of the axis of guide 4, and this moment, the weight of counterweight all was applied on the main lever, thereby was in the loading state.
During off-load, push handgrip 31 to rear, cam 27 rotates in the counterclockwise direction, drive link 24 is done rotation counterclockwise around straight pin 10, and will add upwards jack-up of off-load lever 3, and under the guide effect of the axis of guide 4, piston rod 1, piston 14 steadily upwards to be mentioned lentamente simultaneously, the counterweight assembly that adds off-load lever 3 right-hand members also is raised, at this moment the weight of counterweight assembly is all transferred to from main lever and is added on the off-load lever 3, thereby is in unloading condition.
Claims (5)
1, the Rockwell hardometer loading and unloading device of band pooling feature is characterized in that:
A, comprise linkage assembly, buffer gear, control gear;
B, this linkage assembly comprise drive link (24), bearing (35), ball (25), add off-load lever (3), piston rod (1), the axis of guide (4), bearing holder (housing, cover) (5) and oil cylinder seat (8); This adds the fixedly connected axis of guide of an end that the off-load lever is provided with open trough, and this axis of guide forms axial sliding fit with the bearing holder (housing, cover) that is packed on the oil cylinder seat, and this adds the piston rod in the fixedly connected buffer gear of the other end of off-load lever;
C, this drive link (24) and the transmission bridge (9) that is packed on the oil cylinder seat form flexible connection, one end of this drive link (24) is fixed with the excentric shaft perpendicular with it (23), on above-mentioned excentric shaft, be equipped with can with the contacted ball of the lower surface that adds the off-load lever (25), its other end be equipped with can with the contacted bearing of cam (27) (35) in the control gear.
2, the Rockwell hardometer loading and unloading device of band pooling feature according to claim 1 is characterized in that described control gear comprises handgrip (31), crank (33), the coupling shaft (29) and the cam (27) of cover (28) are housed; One end of this coupling shaft is equipped with cam, and its other end is connected with crank, and this crank is connected with the handgrip screw (32) that is with handgrip again; The straight pin (30) that is arranged on the cam can match with the circular arc cutaway that cover (28) is provided with.
3, the Rockwell hardometer loading and unloading device of band pooling feature according to claim 1 and 2 is characterized in that described buffer gear comprises cylinder body (15), piston (14), piston rod (1), spindle (6), spring (7) and the steel ball (19) that is packed on the oil cylinder seat (8); This piston rod passes oil cylinder seat and stretches in the cylinder body, and spring and piston are equipped with in its lower end; Be provided with step through-hole in this cylinder body (15) sidewall, its interior sidewall surface is provided with two annular grooves that communicate with above-mentioned step through-hole and cylinder body inner chamber; The bottom of this spindle (6) is passed oil cylinder seat (8) and is screwed in the above-mentioned step through-hole, and the lower end of this spindle is a cone, can match with above-mentioned step through-hole; Be provided with on the lower surface of piston (14) a plurality of on same circumference equally distributed step through-hole, near being placed with steel ball (19) in the counterbore of piston lower surface and steel ball being held in above-mentioned counterbore by the supporting plate (17) that is packed on the piston rod (1), the step place of steel ball and above-mentioned stepped hole can form tight connecting.
4, the Rockwell hardometer loading and unloading device of band pooling feature according to claim 3 is characterized in that oil cylinder bottom end cover (16) is equipped with in the lower end of described cylinder body (15).
5, the Rockwell hardometer loading and unloading device of band pooling feature according to claim 4 is characterized in that the top of described spindle (6) is stretched out outside the oil cylinder seat (8), and its upper end face is provided with the adjusting mouth that is in-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200253486U CN201233347Y (en) | 2008-06-19 | 2008-06-19 | Loading and unloading device of rockwell apparatus with amortization function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200253486U CN201233347Y (en) | 2008-06-19 | 2008-06-19 | Loading and unloading device of rockwell apparatus with amortization function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201233347Y true CN201233347Y (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200253486U Expired - Fee Related CN201233347Y (en) | 2008-06-19 | 2008-06-19 | Loading and unloading device of rockwell apparatus with amortization function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201233347Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649314A (en) * | 2021-01-07 | 2021-04-13 | 河南省计量科学研究院 | Rockwell hardness measurement method using standard Rockwell hardness tester |
-
2008
- 2008-06-19 CN CNU2008200253486U patent/CN201233347Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649314A (en) * | 2021-01-07 | 2021-04-13 | 河南省计量科学研究院 | Rockwell hardness measurement method using standard Rockwell hardness tester |
| CN112649314B (en) * | 2021-01-07 | 2024-04-05 | 河南省计量测试科学研究院 | Rockwell hardness measurement method using standard Rockwell hardness tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20130619 |