CN202324041U

CN202324041U - Grab type trash cleaning machine

Info

Publication number: CN202324041U
Application number: CN2011204577880U
Authority: CN
Inventors: 陈荣娜; 黄振东
Original assignee: ANHUI PROVINCE LIUAN HENGYUAN MACHINERY Co Ltd
Current assignee: ANHUI PROVINCE LIUAN HENGYUAN MACHINERY Co Ltd
Priority date: 2011-11-18
Filing date: 2011-11-18
Publication date: 2012-07-11
Anticipated expiration: 2021-11-18

Abstract

The utility model belongs to the field of water conservancy, and in particular relates to a grab type trash cleaning machine. The grab type trash cleaning machine comprises a suspension guide rail and a movable trolley which is arranged below the suspension guide rail, is matched with the guide rail and does reciprocating motion along the length direction of the guide rail, and is provided with a measurement part which is used for measuring the position of the trash cleaning machine in time, wherein a grab is suspended below the movable trolley; and a grab lifting device is arranged in the movable trolley and is connected with the grab through a traction rope. By measuring the positions of the moving trolley and the grab in time, a basis is provided for accurate control over the trash cleaning machine, so that the phenomenon of damages to equipment caused by positioning errors of the grab is effectively prevented, and the grabbing and conveying efficiency of the trash cleaning machine is greatly improved.

Description

A kind of grab type trash rake

Technical field

The utility model belongs to the water conservancy field, is specifically related to a kind of grab type trash rake.

Background technology

Trash rake is to remove attached to the plant equipment of (generally claiming dirt) of foreign material on the trashrack; On dirt more reservoir or river course; For guaranteeing that power station or pumping plant are able to safety, operation normally, often trash rake need be set, so that under the condition of not shutting down with not emptying reservoir, remove contamination.Mostly the existing equipment of removing contamination that is installed in power station or the use of municipal water supply drainage works intake is swinging or slusher formula trash rake; Such trash rake weak effect of removing contamination; A little less than the cleaning ability; Floating thing such as bulk foamed plastics and wooden unit etc. for large-size are difficult to remove, and also need dispose special waste conveyor simultaneously, and cost is higher.

To above-mentioned situation, the applicant has set forth a kind of hydraulic grab bucket type mud cleaner in the utility model (application number 200920299799.3) of application in 2009, and specifically the process of removing contamination is: the original orbital motion in travelling car edge of removing contamination is to the sluice gate that need remove contamination; Grab bucket is transferred to and is grasped dirt under water; Grab the grab bucket rising of dirty back and arrive the sluice gate top, move to the slag dumping place with dolly along track, gripper is opened dirt to the slag dumping point; Adopt hydraulic system to close bucket power as the Zhang Dou that grabs bucket; The hydraulic power unit system is located on the travelling car, and executing agency's hydraulic oil pipe is located in the grab bucket, connects with two hydraulic rubber flexible pipes between the two.The such scheme cost performance is higher, and treating capacity is big, long service life, and the while simple installation, it is effective to remove contamination.

Yet, such scheme in use because the control of definite dependence position travel switch of its position; The motion of travelling car and the up-down of grab bucket all rely on the Artificial Control electric block and realize, that is to say, frequent need staff's outdoor station to stand on the dam or operate on the limit, dam; Unavoidably there is great personal safety hidden danger; In addition, the position error when manually-operated is operated equipment occurs often, thereby device damage is frequent and efficient is lower.

Summary of the invention

The purpose of the utility model provides a kind of grab type trash rake that can measure its position in good time and can accurately control, and the equipment running is reliable and stable.

For realizing above-mentioned purpose; The utility model has adopted following technical scheme: a kind of grab type trash rake; Comprise the suspension guide rail and be arranged at suspension guide rail below cooperates with guide rail and along the reciprocating travelling car of rail length direction, said travelling car below is suspended in midair grab bucket is arranged, and establishes the grab bucket lifting appliance in the said travelling car; Said grab bucket lifting appliance with the grab bucket between be connected through pull rope, also be provided with the measurement component that is used to measure its in good time present position on the grab type trash rake.

The beneficial effect of the utility model is: after adopting said structure; Through in good time mensuration travelling car and grab bucket position,, not only effectively avoided because the generation of the device damage phenomenon that the position error of grabbing bucket causes for the accurate control of trash rake provides the foundation; Simultaneously also improve grabbing of trash rake greatly and sent efficient; Behind suitable outfit associative operation equipment, just can rely on manual work at in-house operation, issuable personal safety potential problem when having stopped field operation; Even also can realize through computer unattended, thereby realize the modern management of hydraulic engineering.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the half sectional view of travelling car;

Fig. 3 is the I part partial enlarged drawing of Fig. 2;

Fig. 4 is a height measurement component structural representation;

Fig. 5 is the front view of travelling car;

Fig. 6 is that each parts of driven guide wheel position cooperate sketch map;

Fig. 7 is a horizontal survey modular construction sketch map.

The specific embodiment

A kind of grab type trash rake; Comprise suspension guide rail 10 and be arranged at suspension guide rail 10 belows cooperate with guide rail and along the reciprocating travelling car 20 of rail length direction; Said travelling car 20 belows suspentions has grab bucket 30, establishes grab bucket lifting appliance 40 in the said travelling car 20, and said grab bucket lifting appliance 40 is connected through pull rope 50 with grabbing bucket 20; Also be provided with the measurement component that is used to measure its in good time present position on the said grab type trash rake, shown in Fig. 1-2.

Because can specifically being summarised as, its action of trash rake of the utility model measures move and grab bucket 20 the elevating movement two kind of travelling car 20 along suspension guide rail 10 length directions; As long as the geometric position state that control measurement can accurately be confirmed travelling car 20 and grab bucket 30 is carried out in above-mentioned motion; Therefore; As the further preferred version of the utility model, measurement component 60 comprises measures travelling car 20 along the horizontal survey parts 61 of suspension guide rail 10 length direction displacements and the height measurement component 62 of measuring grab bucket 20 up-down directions.

Do further narration to horizontal survey parts 61 and with its portion of matching here: suspension guide rail 10 is the closing in shape flute profile that Open Side Down; Said travelling car 20 comprises the guide wheel 21 that is arranged at its top; Said guide wheel 21 is located in the suspension guide rail 10 and is constituted to roll with 11 of two guide pass of the formation notch of suspension guide rail 10 and cooperates, shown in Fig. 5-6.Said horizontal survey parts 61 comprise level code device 611 and differential gear mechanism 612; The input of said differential gear mechanism 612 links to each other with guide wheel 21 wheel shafts and its output is connected with 611 rotating shafts of level code device; That is to say; Said differential gear mechanism 612 is positioned at level code device 611 rotating shaft ends takes turns between centers and is connected both with guide wheel 21, when the guide wheel 21 of travelling car 20 when suspension guide rail 10 rolls, the wheel shaft of guide wheel 21 rotates and also drives differential gear mechanism 612 motions that cooperate with it; Pass to level code device 611 after the wheel shaft rotating speed speed change of differential gear mechanism 612 with guide wheel 21; Level code device 611 is with its rate-of-turn record and send to that data terminal is handled and analyze, and the displacement that the travelling car 20 that can draw the utility model moves along suspension guide rail 10 is also known its geometric position, shown in Fig. 6-7.

Further; Consider that guide wheel 21 comprises initiatively guide wheel 211 and driven guide wheel 212, in case and initiatively guide wheel 211 rotating speeds are too fast, its 11 just inevitable existence of guide pass with suspension guide rail 10 possibilities of skidding; Therefore; For guaranteeing the accuracy of level code device 611 measured data, said differential gear mechanism 612 is connected in the rotating shaft of driven guide wheel 212, and is as shown in Figure 7.

Do further narration to height measurement component 62 and with its portion of matching again here: grab bucket lifting appliance 40 comprises reel 41, and the said pull rope 50 that is used to draw grab bucket 30 is wound in reel 41, and is of Fig. 2.In addition, shown in Fig. 3-4, said height measurement component 62 comprises altimeter coder 621 and gear mechanism 622, and the input of said gear mechanism 622 links to each other with reel 41 rotating shafts and its output is connected with the rotating shaft of altimeter coder 621.

Consider that

grab bucket

30 and 20 of travelling cars also are connected with other connectors such as oil pipe; Therefore; The shortest spacing of

grab bucket

30 and 20 of travelling cars and the effective length of oil pipe whether can guarantee to grab bucket 30 distance of fall all must be considered; And dam length is often extremely long, grab bucket 30 in falling to sluice gate, grab dirty rise with grab bucket 30 after whether with connector touch etc. also rely on merely naked eyes indoor be can't see at all, in case 30 distance of falls of grabbing bucket are long or lifting height is too high; Touch phenomenon and make device damage with regard to very easily producing pullling or pushing between grab bucket and connector and travelling car; Therefore, described grab type trash rake also comprise the maximum up-down amount that is used to limit grab bucket 30 travel control device 70, shown in Fig. 3-4.

Travel control device 70 is further described: travel control device 70 comprises the optical axis 72 that is arranged at the slide block 71 on gear mechanism 622 gear shafts and is parallel to the gear shaft setting here; Said slide block 71 is sheathed on the optical axis 72 and also and between gear shaft constitutes leading screw and nut mechanism; Said travel control device 70 also comprises the inductive switch 73 that is used to respond to slide block 71 actions; Said inductive switch 73 is the both ends of two and the slide block 71 set strokes that are placed in, shown in Fig. 3-4, like this; When the 50 traction grab buckets 30 of grab bucket lifting appliance 40 scrolling pull ropes are risen or are descended; With the gear mechanism 622 that is connected between reel 41 rotating shafts of grab bucket lifting appliance 40 amount of exercise is transferred to altimeter coder 621 records and will records transfer of data to data terminal and handle, simultaneously because slide block 71 is sheathed on the optical axis 72 and and gear shaft between constitute leading screw and nut mechanism; When gear mechanism 622 rotating shafts are rotated; Slide block 71 is inevitable to produce motion to a certain end of gear shaft thereupon, again because the existence of inductive switch 73, when long or lifting height is too high when grab bucket 30 distance of falls; Slide block 71 also will exceed its set stroke and touch inductive switch 73, causes warning device or direct powered-down to stop trash rake work.

Claims

1. grab type trash rake; Comprise suspension guide rail (10) and be arranged at suspension guide rail (10) below cooperate with guide rail and along the reciprocating travelling car of rail length direction (20); The suspention of said travelling car (20) below has grab bucket (30); Establish grab bucket lifting appliance (40) in the said travelling car (20); Said grab bucket lifting appliance (40) is connected through pull rope (50) between (20) with grab bucket, it is characterized in that: also be provided with the measurement component that is used to measure its in good time present position on the said grab type trash rake.

2. grab type trash rake according to claim 1 is characterized in that: said measurement component (60) comprises measures travelling car (20) along the horizontal survey parts (61) of suspension guide rail (10) length direction displacement and the height measurement component (62) of measuring grab bucket (20) up-down direction.

3. grab type trash rake according to claim 1 and 2; It is characterized in that: said suspension guide rail (10) is the closing in shape flute profile that Open Side Down; Said travelling car (20) comprises the guide wheel (21) that is arranged at its top; Said guide wheel (21) be located in the suspension guide rail (10) and with two guide pass (11) of the formation notch of suspension guide rail (10) between constitute to roll and cooperate; Said horizontal survey parts (61) comprise level code device (611) and differential gear mechanism (612), and the input of said differential gear mechanism (612) links to each other with guide wheel (21) wheel shaft and its output is connected with level code device (611) rotating shaft.

4. grab type trash rake according to claim 3 is characterized in that: said guide wheel (21) comprises initiatively guide wheel (211) and driven guide wheel (212), and said differential gear mechanism (612) is connected in the rotating shaft of driven guide wheel (212).

5. grab type trash rake according to claim 1 and 2; It is characterized in that: said grab bucket lifting appliance (40) comprises reel (41); Said pull rope (50) is wound on the reel (41); Said height measurement component (62) comprises altimeter coder (621) and gear mechanism (622), and the input of said gear mechanism (622) links to each other with reel (41) rotating shaft and its output is connected with the rotating shaft of altimeter coder (621).

6. grab type trash rake according to claim 5 is characterized in that: said grab type trash rake also comprises the travel control device (70) of the maximum up-down amount that is used to limit grab bucket 30.

7. grab type trash rake according to claim 6; It is characterized in that: travel control device (70) comprises the optical axis (72) that is arranged at the slide block (71) on gear mechanism (622) gear shaft and is parallel to the gear shaft setting; Said slide block (71) is sheathed on optical axis (72) and upward also and between gear shaft constitutes leading screw and nut mechanism; Said travel control device (70) also comprises the inductive switch (73) that is used to respond to slide block (71) action, and said inductive switch (73) is the both ends of two and the set stroke of the slide block that is placed in (71).