CN205242613U - Soil pick -up car davit guide pulley direction formula telescopic machanism - Google Patents
Soil pick -up car davit guide pulley direction formula telescopic machanism Download PDFInfo
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- CN205242613U CN205242613U CN201521032012.9U CN201521032012U CN205242613U CN 205242613 U CN205242613 U CN 205242613U CN 201521032012 U CN201521032012 U CN 201521032012U CN 205242613 U CN205242613 U CN 205242613U
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- guide wheel
- main jib
- telescopic arm
- arm
- guide
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Abstract
The utility model discloses a soil pick -up car davit guide pulley direction formula telescopic machanism, it is including flexible arm, main jib, tensioning guide pulley and flexible hydro -cylinder, the cylinder end of flexible hydro -cylinder is articulated with the main jib, and tailpiece of the piston rod is articulated with flexible arm, realizes the flexible action of flexible arm through flexible hydro -cylinder, flexible arm inlays inside the main jib, all realizes roll connection through the tensioning guide pulley between flexible arm rear end and the main jib stand pipe, between main jib front end and the flexible arm stand pipe, the messenger's relative main jib of arm side -to -side movement steadily under flexible hydro -cylinder acts on that stretches out and draws back. This structure soil pick -up car davit guide pulley direction formula telescopic machanism have between main jib and the flexible arm friction little, flexible steady smooth and easy, the operating efficiency is high, long service life's characteristics.
Description
Technical field
The utility model relates to suction-type sewer scavenger arm, is specifically related to suction-type sewer scavenger hoisting arm expansion mechanism.
Background technology
Along with making constant progress of modern mechanical, suction-type sewer scavenger arises at the historic moment, and is widely used in the suction of mud, ight soil or petrochemical effluent pond drift in sewer, catch-basin, septic tank and various irrigation canals and ditches and transports. for adapting to different actual conditions, existing suction-type sewer scavenger generally arranges rotary suspension arm, rotary suspension arm end arranges again Telescopic boom mechanism to increase the span of arm, traditional Telescopic boom mechanism generally adopts the mode that is slidably connected of large pipe box tubule or the little rectangular tube of large rectangle pipe box, wherein bassoon belongs to traditional main jib, tubule belongs to traditional telescopic arm, the defect that this telescoping mechanism exists is: between bassoon and tubule, be sliding friction, have more than is needed how long gap is just constantly increased, lubricated continuous variation, the phenomenons such as beating appears in telescopic arm immediately, thereby cause flexible the having some setbacks of telescopic arm to reduce operating efficiency, and greatly shorten service life of telescoping mechanism.
Summary of the invention
The purpose of this utility model is to provide that little, the flexible steady and smooth that rubs between a kind of main jib and telescopic arm, operating efficiency are high, the suction-type sewer scavenger arm guide wheel guide type telescoping mechanism of long service life.
For realizing above object, the utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism comprises telescopic arm, main jib, tensioning guide wheel and telescopic oil cylinder; Cylinder end and the main jib of described telescopic oil cylinder are hinged, and tailpiece of the piston rod and telescopic arm are hinged, realize the expanding-contracting action of telescopic arm by telescopic oil cylinder; Described telescopic arm is embedded in main jib inside, between telescopic arm rear end and main jib guide pipe, between main jib front end and telescopic arm guide pipe, all realize rolling by tensioning guide wheel and be connected, make the stably side-to-side movement under telescopic oil cylinder effect of the relative main jib of telescopic arm.
Described tensioning guide wheel comprises bearing, turning cylinder, jump ring, axle sleeve, hard nylon guide wheel, guide wheel holder, plain cushion, bullet pad, nut, tensioning holder, push rod and holds out against fixed head; The guide wheel being formed by hard nylon guide wheel and axle sleeve integral molded plastic is connected on turning cylinder by bearing and jump ring, and turning cylinder stiff end is successively through guide wheel holder and tensioning holder, and fixes with plain cushion, bullet pad and nut; Tensioning holder bottom welding push rod, push rod is through holding out against fixed head, and push rod is also tight at the top and bottom nut that holds out against fixed head; Guide wheel holder and hold out against that fixed head is welded on telescopic arm and above main jib; On guide wheel holder, offer long slot bore, by regulating push rod capable of adjusting tensioning idler height.
Described main jib comprises the wear-resistant rubber sheet of main jib guide pipe, connecting plate, side panel and the displacement of restriction telescopic arm left and right sides; Taking root main jib guide pipe as skeleton, upper and lower two planes connect with connecting plate respectively, the left and right sides seals with side panel, front end opening square hole, in order to place guide wheel holder, the U-shaped groove of guide wheel holder inwardly, is welded on main jib guide pipe, the welding of side panel correspondence position holds out against fixed head, and the middle of the left and right sides adopts sunk screw that the wear-resistant rubber sheet of restriction telescopic arm left and right sides displacement effect has been installed.
Described telescopic arm, taking telescopic arm guide pipe as guiding, is respectively established one about this guide pipe, and the middle square box that adopts connects, and afterbody dislocation is welded guide wheel holder and holds out against fixed head, and tensioning guide wheel is above rear, and tensioning guide wheel is below front.
Above-mentioned suction-type sewer scavenger arm guide wheel guide type telescoping mechanism utilizes height-adjustable tensioning guide wheel to lead to telescopic arm, by regulating the securable telescopic arm of height of tensioning guide wheel; Simultaneously, it is spacing that the mechanism left and right sides adopts wear-resistant rubber sheet to carry out, thereby make the sliding friction between main jib and telescopic arm become rolling friction, and the guide wheel of tensioning has solved the problem that telescopic arm is beated, finally reach and increase work efficiency, extend the telescoping mechanism object in service life.
By repetition test, use the suction-type sewer scavenger telescopic arm of this mechanism, flexible smooth and easy, firm, when flexible, there is no metal friction, telescopic arm abnormal situation such as do not occur beating, operating efficiency improves greatly, and therefore labour intensity also reduce.
Brief description of the drawings
Fig. 1 is the main sectional structure schematic diagram of the utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism;
Fig. 2 is A-A generalized section in Fig. 1;
Fig. 3 is B-B generalized section in Fig. 1;
Fig. 4 is that the tensioning Guiding wheel structure master of the utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism looks schematic diagram;
Fig. 5 is the tensioning Guiding wheel structure schematic top plan view of the utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism;
Fig. 6 is the main cross-sectional schematic of main jib of the utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism;
Fig. 7 is C-C generalized section in Fig. 6;
Fig. 8 is the main cross-sectional schematic of telescopic arm of the utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism;
Fig. 9 is that schematic diagram is looked on a telescopic arm left side for the utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism;
Figure 10 is the utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism embodiment schematic diagram.
Reference numeral: telescopic arm 1, main jib 2, tensioning guide wheel 3, bearing 4, turning cylinder 5, jump ring 6, axle sleeve 7, hard nylon guide wheel 8, guide wheel holder 9, plain cushion 10, bullet pad 11, nut 12, tensioning holder 13, push rod 14, hold out against fixed head 15, main jib guide pipe 16, connecting plate 17, side panel 18, wear-resistant rubber sheet 19, square box 20, telescopic arm guide pipe 21, dirt sucking tube 22, telescopic oil cylinder 23, suction-type sewer scavenger 24.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism is described in further detail.
The utility model suction-type sewer scavenger arm guide wheel guide type telescoping mechanism comprises telescopic arm 1, main jib 2, tensioning guide wheel 3 and telescopic oil cylinder 23; The cylinder end of described telescopic oil cylinder 23 and main jib 2 are hinged, and tailpiece of the piston rod and telescopic arm 1 are hinged, realize the expanding-contracting action of telescopic arm 1 by telescopic oil cylinder 23; Described telescopic arm 1 is embedded in main jib 2 inside. When assembling, telescopic arm 1 rear end tensioning guide wheel 3 regulates to main jib guide pipe 16, and the tensioning guide wheel of main jib front end regulates to telescopic arm guide pipe 21 simultaneously, and main jib can be stably to left movement relatively under telescopic oil cylinder 23 effects to make telescopic arm.
Below respectively telescopic arm, main jib and three parts of tensioning guide wheel are elaborated.
Tensioning guide wheel 3 shown in Fig. 4 and Fig. 5 comprises bearing 4, turning cylinder 5, jump ring 6, axle sleeve 7, hard nylon guide wheel 8, guide wheel holder 9, plain cushion 10, bullet pad 11, nut 12, tensioning holder 13, push rod 14 and holds out against fixed head 15; The guide wheel being formed by hard nylon guide wheel 8 and axle sleeve 7 integral molded plastics is connected on turning cylinder 5 by bearing 4 and jump ring 6, and turning cylinder stiff end passes guide wheel holder 9 and tensioning holder 13 successively, and fixing with plain cushion 10, bullet pad 11 and nut 2; Tensioning holder bottom welding push rod 14, push rod is through holding out against fixed head 15, and push rod is also tight at the top and bottom nut that holds out against fixed head; Guide wheel holder 9 and hold out against that fixed head 15 is welded on telescopic arm and above main jib; On guide wheel holder 9, offer long slot bore, by regulating push rod 14 capable of adjusting tensioning idler height.
Main jib 2 shown in Fig. 6 and Fig. 7 comprises the wear-resistant rubber sheet 19 of main jib guide pipe 16, connecting plate 17, side panel 18 and the 1 left and right sides displacement of restriction telescopic arm; Taking 4 main jib guide pipes 16 as skeleton, upper and lower two planes connect with connecting plate 17 respectively, the left and right sides seals with side panel 18, front end opening square hole, in order to place guide wheel holder 9, the U-shaped groove of guide wheel holder inwardly, is welded on main jib guide pipe 16, the welding of side panel correspondence position holds out against fixed head 15, and the middle of the left and right sides adopts sunk screw that the wear-resistant rubber sheet 19 of restriction telescopic arm 1 left and right sides displacement effect has been installed.
Telescopic arm 1 shown in Fig. 8 and Fig. 9 is taking telescopic arm guide pipe 21 as guiding, and this guide pipe left and right is respectively established one, and the middle square box 20 that adopts connects, afterbody dislocation welding guide wheel holder 9 and hold out against fixed head 15, tensioning guide wheel is above rear, below front.
Shown in Figure 10, in the middle of the telescopic arm 1 that dirt sucking tube 22 leads from guide wheel and main jib 2, pass, and be fixed on suction-type sewer scavenger 24 tank bodies, realize the expanding-contracting action of telescopic arm 1 by telescopic oil cylinder 23. In the time that vehicle is subject to distance limit, cantilever needs larger span, and now telescopic arm 1 is driven and stretched out by telescopic oil cylinder 23, thereby increases cantilever span, meets the requirement of special operation condition. The feature of guide wheel guide type telescopic arm can make this process more smooth and easy, steadily firm, thereby increases work efficiency.
Claims (4)
1. a suction-type sewer scavenger arm guide wheel guide type telescoping mechanism, it comprises telescopic arm, main jib and telescopic oil cylinder, and cylinder end and the main jib of described telescopic oil cylinder are hinged, and tailpiece of the piston rod and telescopic arm are hinged, realize the expanding-contracting action of telescopic arm by telescopic oil cylinder; It is characterized in that: further comprising tensioning guide wheel, described telescopic arm is embedded in main jib inside, between telescopic arm rear end and main jib guide pipe, between main jib front end and telescopic arm guide pipe, all realize rolling by described tensioning guide wheel and be connected, make the stably side-to-side movement under telescopic oil cylinder effect of the relative main jib of telescopic arm.
2. suction-type sewer scavenger arm guide wheel guide type telescoping mechanism according to claim 1, is characterized in that: described tensioning guide wheel comprises bearing, turning cylinder, jump ring, axle sleeve, hard nylon guide wheel, guide wheel holder, plain cushion, bullet pad, nut, tensioning holder, push rod and holds out against fixed head; The guide wheel being formed by hard nylon guide wheel and axle sleeve integral molded plastic is connected on turning cylinder by bearing and jump ring, and turning cylinder stiff end is successively through guide wheel holder and tensioning holder, and fixes with plain cushion, bullet pad and nut; Tensioning holder bottom welding push rod, push rod is through holding out against fixed head, and push rod is also tight at the top and bottom nut that holds out against fixed head; Guide wheel holder and hold out against that fixed head is welded on telescopic arm and above main jib; On guide wheel holder, offer long slot bore, by regulating push rod capable of adjusting tensioning idler height.
3. suction-type sewer scavenger arm guide wheel guide type telescoping mechanism according to claim 1, is characterized in that: described main jib comprises the wear-resistant rubber sheet of main jib guide pipe, connecting plate, side panel and the displacement of restriction telescopic arm left and right sides; Taking root main jib guide pipe as skeleton, upper and lower two planes connect with connecting plate respectively, the left and right sides seals with side panel, front end opening square hole, in order to place guide wheel holder, the U-shaped groove of guide wheel holder inwardly, is welded on main jib guide pipe, the welding of side panel correspondence position holds out against fixed head, and the middle of the left and right sides adopts sunk screw that the wear-resistant rubber sheet of restriction telescopic arm left and right sides displacement effect has been installed.
4. suction-type sewer scavenger arm guide wheel guide type telescoping mechanism according to claim 1, it is characterized in that: described telescopic arm is taking telescopic arm guide pipe as guiding, this guide pipe left and right is respectively established one, the middle square box that adopts connects, afterbody dislocation is welded guide wheel holder and is held out against fixed head, tensioning guide wheel is above rear, and tensioning guide wheel is below front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521032012.9U CN205242613U (en) | 2015-12-14 | 2015-12-14 | Soil pick -up car davit guide pulley direction formula telescopic machanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521032012.9U CN205242613U (en) | 2015-12-14 | 2015-12-14 | Soil pick -up car davit guide pulley direction formula telescopic machanism |
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| Publication Number | Publication Date |
|---|---|
| CN205242613U true CN205242613U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521032012.9U Active CN205242613U (en) | 2015-12-14 | 2015-12-14 | Soil pick -up car davit guide pulley direction formula telescopic machanism |
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| CN (1) | CN205242613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228477A1 (en) * | 2021-04-27 | 2022-11-03 | 刘素华 | Low-thickness rolling guide telescopic rocker arm |
-
2015
- 2015-12-14 CN CN201521032012.9U patent/CN205242613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228477A1 (en) * | 2021-04-27 | 2022-11-03 | 刘素华 | Low-thickness rolling guide telescopic rocker arm |
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