CN2611883Y

CN2611883Y - Sprocket and chain type mechanical elevating mechanism of sampling appts.

Info

Publication number: CN2611883Y
Application number: CN 03227528
Authority: CN
Inventors: 阎国俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-04-29
Filing date: 2003-04-29
Publication date: 2004-04-14
Anticipated expiration: 2013-04-29

Abstract

The utility model discloses a sprocket-chain-type sampling device mechanic lifting gearing, which comprises a driving device, a chain, guiding arms, a guiding post, driven sprockets and a stretching device, wherein the driving device is arranged on the top of the sample-taking dolly frame, two sides projecting shaft of the accelerator of the sample-taking dolly frame are provided with a driving sprocket, four guiding arms is fixedly connected the upper and lower portion of the two sides of a driving box of the sampling device, the driving box is provided with guiding hole and is sleeved on the guiding post through clearance fit, two guiding posts are fixed on the two sides of the sample-taking dolly frame, two driven sprockets is arranged on the bottom board of the sample-taking dolly frame through the stretching device and is engaged with the associated driving sprockets, and the other end is fixed the lower end of the guiding arms which is on the low position. The utility model has simple structure, reliable operating, easy manufacture, convenience for maintenance, convenient manual lifting function, working under hostile environment, and meets the requirement of long traveling length.

Description

Sprocket wheel chain-type sampling apparatus mechanical elevating mechanism

Technical field the utility model belongs to a kind of sampling apparatus of solid particle material, is specifically related to the architecture advances of sampling apparatus mechanical elevating mechanism.

Background technology is present, the sampling apparatus elevating mechanism of solid particle material adopts hydraulic pressure lifting mechanism more, can reach the purpose that drives the sampling apparatus VTOL (vertical take off and landing), but it exists sampling apparatus to drop to when sampling in the material, because apparatus failure or power failure can't be risen, and hand hoisting slowly maybe can't promote, and causes material to transport interruption, influences ordinary production.And hydraulic cylinder need be installed in sampling dolly frame roof, and when lifting travel was big, mechanism is too high and unstable because of height dimension, usually will take reinforcement measure, and was to corresponding the increasing of requirement for height of buildings, also not attractive in appearance like this; Hydraulic pressure components and parts manufacturing accuracy requires high, processing difficulties, and the oil viscosity temperature influence should not be in high temperature or low temperature environment work, and existence needs to change oil season, seal aging causes defectives such as pond leakage, breaks down to be not easy maintenance; When the needs lifting travel was very big, the stability of ways and rigidity were difficult to satisfy the requirement of big stroke.

The summary of the invention technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, can satisfy big stroke requirement, can under rugged surroundings, work, reliable operation, manufacture difficulty be little, sprocket wheel chain-type sampling apparatus mechanical elevating mechanism easy to maintenance and have hand hoisting function efficiently is to satisfy the requirement of sampling apparatus.

The technical scheme that the above technical matters that solves the utility model adopts is: it comprises drive unit, chain, guide arm, guidepost, driven sprocket and tensioning system, described drive unit comprises braking motor, speed reduction unit, bearing seat and drive sprocket, braking motor, speed reduction unit and bearing seat are installed on sampling dolly frame roof, the output shaft of speed reduction unit is two shafts, stretch out from the speed reduction unit both sides, and by two bearing block supports that are positioned at its each end, a drive sprocket is housed on every side projecting shaft, four guide arms are fixed in respectively on the transmission case both sides of sampling apparatus, upper/lower positions, which is provided with pilot hole, be socketed on the guidepost periphery with clearance fit, it is slided on guidepost, two guideposts are fixed on the sampling dolly framework both sides, two driven sprockets are loaded on the base plate of the little frame of sampling by its tensioning system respectively, corresponding with the drive sprocket that matches separately, every group of master, driven sprocket disposes chain, described chain one end is fixed in the upper end of superposed guide arm, the other end is fixed in the lower end of the guide arm that is positioned at the bottom, passes through sprocket wheel, chain drive drives sampling apparatus and does the rise and fall campaign.

As further improvement of the utility model, be equiped with semicircle lining in the pilot hole of described guide arm, guide arm is socketed on the guidepost periphery by it with clearance fit.

Described drive unit is equipped with the square shaft that can be used as manual drives.

The utility model also is provided with counter weight device, to alleviate the elevating mechanism load.Described counter weight device comprises angle pulley, wire rope, supporting base and balancing weight, two angle pulleys are contained in respectively on the both sides projecting shaft of output shaft, two angle pulleys are sub-packed on two supporting bases in addition, supporting base is fixed on sampling dolly frame roof relevant position, wire rope one end is fixed on the transmission case body of sampling apparatus, by angle pulley, the other end and balancing weight join, and balancing weight moves up and down with the motion of elevating mechanism.

Described guidepost is to be fixed by the upper bracket, middle bearing and the undersetting that are fixed on the little frame of sampling, to increase the stability and the rigidity of guidepost.

Described tensioning system comprises bearing pin, supporting base, guide holder, tensioning bolt, driven sprocket is loaded on the bearing pin by bearing, bearing pin is fixed on the supporting base, the base plate of supporting base is provided with tensioning bolt, tensioning bolt stretches out under the sampling dolly chassis base, adjusting nut for two is loaded on this external part, adjust the nut tension chain by regulating two, and it is fastening locking, supporting base is contained in the guide holder, guide holder is fixed on the base plate of the little frame of sampling, and supporting base can slide up and down in guide holder, prevents driven sprocket deflection.

The beneficial effects of the utility model are: drive unit is contained in sampling dolly frame roof, has alleviated the elevating mechanism load, be convenient to safeguard; Suit one square shaft has realized the hand hoisting function on the speed reduction unit one end inputting shaft, and when preventing to sample, during owing to apparatus failure and power failure, sampling apparatus can't promote and cause material to transport interruption, influences ordinary production.Guidepost removes two ends and is fixed on the little frame of sampling, and the middle part also is provided with supporting-point, for the guidepost of big stroke, has increased the stability and the rigidity of guidepost, can satisfy big stroke requirement; Add the setting of counter weight device, make the elevating mechanism operation brisk, stable.Of the present utility model simple in structure, reliable operation can be worked under rugged surroundings, and its parts belong to standard component more, and its manufacture difficulty is greatly reduced, and spare parts is easy to buy.

Description of drawings

Fig. 1 is an one-piece construction synoptic diagram of the present utility model.

Fig. 2 is Fig. 1 right view.

Fig. 3 is that the A of Fig. 1 is to view.

Fig. 4 is the B-B cut-open view of Fig. 1.

Fig. 5 is driven sprocket and tensioning device structure synoptic diagram

Fig. 6 is the A-A cut-open view of Fig. 5

Each label is represented among the figure: 1, drive unit, 11, braking motor, 12, speed reduction unit, 13, bearing seat, 14, drive sprocket, 15, output shaft, 2, chain, 3, guide arm, 4, lining, 5, guidepost, 51, upper bracket, 52, middle bearing, 53, undersetting, 6, tensioning system, 61, bearing, 62, bearing pin, 63, supporting base, 64, guide holder, 65, tensioning bolt, 66, adjust nut 7, counter weight device, 71, angle pulley, 72, wire rope, 73, supporting base, 74, balancing weight, 8, the little frame of sampling, 9, sampling apparatus, 10, square shaft, 16, driven sprocket

Embodiment is shown in Fig. 1-4, sprocket wheel chain-type sampling apparatus mechanical elevating of the present utility model mechanism, comprise drive unit 1, chain 2, guide arm 3, guidepost 5, driven sprocket 16 and tensioning system 6, drive unit 1 comprises braking motor 11, speed reduction unit 12, bearing seat 13 and drive sprocket 14, braking motor 11, speed reduction unit 12 and two bearing seats 13 are installed on sampling dolly framework 8 tops, the output shaft 15 of speed reduction unit 12 is two shafts, stretch out from speed reduction unit 12 both sides, and by two bearing seats, 13 supportings that are positioned at its each end, a drive sprocket 14 is housed on every side projecting shaft, four guide arms 3 are fixed in respectively on the transmission case both sides of sampling apparatus 9, upper/lower positions, which is provided with pilot hole, by the semicircle lining of installing in the pilot hole 4, be socketed on guidepost 5 peripheries with clearance fit, can on guidepost 5, slide up and down, two guideposts 5 are by bearing 51, bearing 52 and undersetting 53 are fixed on sampling dolly framework 8 both sides, have increased the stability and the rigidity of guidepost.Two driven sprockets 16 are loaded on the base plate of sampling dolly framework 8 by its tensioning system 6 respectively, corresponding with the drive sprocket 14 that matches separately, every group of driving and driven sprocket wheel 14,16 disposes a chain 2, chain 2 one ends are fixed in the upper end of superposed guide arm 3, the other end is fixed in the lower end of the guide arm 3 that is positioned at the bottom, along with the forward and backward of braking motor, by the sprocket wheel chain drive, thereby drive guide arm 3 drive sampling apparatuses 9 and do upper and lower lifting, take sample.

Shown in Fig. 1,3, speed reduction unit 12 is two inputting shafts, one end and braking motor 11 join, the other end is set with the square shaft 10 that can be used as manual driving device 1, when apparatus failure or power failure, behind the clamping device of take-off the brake motor 11, can manually shake square shaft 10, sampling apparatus is promoted, avoid causing material to transport interruption, influence ordinary production.

As Figure 1-3, the utility model also disposes counter weight device 7, makes the elevating mechanism operation brisk, stable.This counter weight device 7 comprises angle pulley 71, wire rope 72, supporting base 73 and balancing weight 74, two angle pulleys 71 are contained in respectively on the both sides projecting shaft of output shaft 15, two angle pulleys 71 are sub-packed on two supporting bases 73 in addition, supporting base 73 is fixed on sampling relevant position, dolly framework 8 top, wire rope 72 1 ends are fixed on the transmission case body of sampling apparatus 9, by angle pulley 71, the other end is fixed with balancing weight 74.

As Fig. 1,2,5, shown in 6, tensioning system 6 comprises bearing pin 62, supporting base 63, guide holder 64, tensioning bolt 65, driven sprocket 16 is loaded on the bearing pin 62 by bearing 61, bearing pin 62 is fixed on the supporting base 63, the base plate of supporting base 63 is provided with tensioning bolt 65, tensioning bolt 65 stretches out under sampling dolly framework 8 base plates, adjusting nut 66 for two is loaded on this external part, be used to adjust tension chain 2, and fastening locking, supporting base 63 is contained in the guide holder 64, and can slide up and down in guide holder 64, prevent driven sprocket 61 deflections, guide holder 64 is fixed on the base plate of sampling dolly framework 8.

Below in conjunction with above accompanying drawing the utility model principle of work is described further:

During sampling apparatus 9 samplings, drive it by sprocket wheel chain-type elevating mechanism of the present utility model and move up and down.During decline, braking motor 11 rotation by the output shaft 15 of speed reduction unit 12, makes the rotation of drive sprocket 14 clockwise direction, drives chain 2, makes sampling apparatus 9 times down-sampled; After sampling is finished, sampling apparatus 9 is risen, braking motor 11 reverse rotations at this moment by the output shaft 15 of speed reduction unit 12, make drive sprocket 14 rotation counterclockwise, make sampling apparatus 9 rising samplings.When sampling apparatus 9 has a power failure because of apparatus failure in sampling, behind the clamping device of take-off the brake motor 11, can utilize spanner or other instruments manually to shake square shaft 10, hand lifting sampling apparatus 9 rises and puts in place, avoid causing material to transport interruption, influence ordinary production.

Claims

1, a kind of sprocket wheel chain-type sampling apparatus mechanical elevating mechanism, it is characterized in that it comprises drive unit (1), chain (2), guide arm (3), guidepost (5), driven sprocket (16) and tensioning system (6), described drive unit (1) comprises braking motor (11), speed reduction unit (12), bearing seat (13) and drive sprocket (14), braking motor (11), speed reduction unit (12) and bearing seat (13) are installed on sampling little frame (8) top, the output shaft (15) of speed reduction unit (12) is two shafts, stretch out from speed reduction unit (12) both sides, and by two bearing seats (13) supporting that is positioned at its each end, a drive sprocket (14) is housed on every side projecting shaft, four guide arms (3) be fixed in respectively sampling apparatus (9) the transmission case both sides on, upper/lower positions, which is provided with pilot hole, be socketed on guidepost (5) periphery with clearance fit, two guideposts (5) are fixed on sampling little frame (8) both sides, two driven sprockets (16) are loaded on the base plate of the little frame of sampling (8) by its tensioning system (6) respectively, corresponding with the drive sprocket that matches separately (14), every group of master, driven sprocket (14), (16) dispose chain (2), described chain (2) one end is fixed in the upper end of superposed guide arm (3), and the other end is fixed in the lower end of the guide arm (3) that is positioned at the bottom.

2, sprocket wheel chain-type sampling apparatus mechanical elevating according to claim 1 mechanism is characterized in that being equiped with semicircle lining (4) in the pilot hole of described guide arm (3), and guide arm (3) is socketed on guidepost (5) periphery by it with clearance fit.

3, sprocket wheel chain-type sampling apparatus mechanical elevating according to claim 1 mechanism is characterized in that being equipped with on the described drive unit (1) square shaft (10) that can be used as manual drives.

4, according to claim 1 or 2 or 3 described sprocket wheel chain-type sampling apparatus mechanical elevating mechanisms, it is characterized in that it is provided with counter weight device (7), described counter weight device (7) comprises angle pulley (71), wire rope (72), supporting base (73) and balancing weight (74), two angle pulleys (71) are contained in respectively on the both sides projecting shaft of output shaft (15), two angle pulleys (71) are sub-packed on two supporting bases (73) in addition, supporting base (73) is fixed on sampling little frame (8) relevant position, top, wire rope (72) one ends are fixed on the transmission case body of sampling apparatus (9), by angle pulley (71), the other end and balancing weight (74) join.

5, sprocket wheel chain-type sampling apparatus mechanical elevating according to claim 4 mechanism is characterized in that described guidepost (5) is to be fixed by the upper bracket (51), middle bearing (52) and the undersetting (53) that are fixed on the little frame of sampling (8).

6, sprocket wheel chain-type sampling apparatus mechanical elevating according to claim 1 mechanism, it is characterized in that described tensioning system (6) comprises bearing pin (62), supporting base (63), guide holder (64), tensioning bolt (65), described driven sprocket (16) is loaded on the bearing pin (62) by bearing (61), bearing pin (62) is fixed on the supporting base (63), the base plate of supporting base (63) is provided with tensioning bolt (65), tensioning bolt (65) stretches out under sampling little frame (8) base plate, adjusting nut (66) for two is loaded on this external part, supporting base (63) is contained in the guide holder (64), and guide holder (64) is fixed on the base plate of the little frame of sampling (8).