CN214401927U

CN214401927U - Bucket rod descending device with energy-saving effect

Info

Publication number: CN214401927U
Application number: CN202120506911.7U
Authority: CN
Inventors: 刘彦君
Original assignee: Hefei Senlong Structural Parts Manufacturing Co ltd
Current assignee: Hefei Senlong Structural Parts Manufacturing Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-10-15
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a dipper of energy-conserving effect decline device relates to excavator dipper technical field, and for solving current excavator dipper decline in-process, the hydro-cylinder has born the whole weight of scraper bowl, and the loss is too big when leading to the use, the poor problem of energy-conserving effect. The one end of dipper is provided with first connecting hole, the other end of dipper is provided with the second connecting hole, the upper end of dipper is provided with hydro-cylinder mechanism, one side of hydro-cylinder mechanism is provided with the linking arm, the both sides of linking arm all are provided with the rotor arm, the both ends of rotor arm all are provided with the axis of rotation, one side of dipper is provided with the protective housing, the inside of protective housing is provided with master gear mechanism, one side of master gear mechanism is provided with auxiliary gear mechanism, one side of master gear mechanism is provided with tightening mechanism, the opposite side of master gear mechanism is provided with the rope shaft, and rope shaft and master gear mechanism welded connection.

Description

Bucket rod descending device with energy-saving effect

Technical Field

The utility model relates to an excavator dipper technical field specifically is a dipper lowering device of energy-conserving effect.

Background

The movable arm and the bucket rod are working devices of an excavator, generally called as a big arm and a small arm, mainly used for governing actions of excavating, loading and the like of the excavator, and the arm connected with the frame is long, so the movable arm is commonly called as the big arm, and the movable arm is called as the term; the arm connected with the excavator bucket is smaller, so the arm is commonly called as a forearm, the term is called as a bucket rod, so the arm is commonly called as a big arm and a small arm, the bucket rod of the excavator is generally an integral closed box-shaped welding component which is symmetrical left and right and has equal width, the bucket rod is hinged with the upper end of a movable arm, the bucket rod can rotate around a hinged point at the upper end of the movable arm by utilizing the stroke change of a bucket rod oil cylinder arranged on the upper plane of a movable arm beam, and when the excavation range or the operation size needs to be changed, a method for replacing the bucket rod is generally adopted, or a plurality of holes which can be adjusted and selected and are hinged with the end part of the movable arm are arranged on the bucket rod.

However, in the process of descending the bucket rod of the existing excavator, the oil cylinder bears the whole weight of the bucket, so that the loss is overlarge during use, and the energy-saving effect is poor; therefore, the existing requirements are not met, and the bucket rod descending device with the energy-saving effect is provided for the bucket rod descending device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dipper of energy-conserving effect descent device to solve the current excavator dipper decline in-process that proposes in the above-mentioned background art, the hydro-cylinder has born the whole weight of scraper bowl, and the loss is too big when leading to using, the poor problem of energy-conserving effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dipper lowering device of energy-conserving effect, includes the dipper, the one end of dipper is provided with first connecting hole, the other end of dipper is provided with the second connecting hole, the upper end of dipper is provided with hydro-cylinder mechanism, one side of hydro-cylinder mechanism is provided with the linking arm, the both sides of linking arm all are provided with the rotor arm, the both ends of rotor arm all are provided with the axis of rotation, and the rotor arm passes through the axis of rotation and all rotates with the dipper with the linking arm to be connected, one side of dipper is provided with the protective housing, the inside of protective housing is provided with master gear mechanism, one side of master gear mechanism is provided with auxiliary gear mechanism, one side of master gear mechanism is provided with tightening mechanism, the opposite side of master gear mechanism is provided with the rope shaft, and rope shaft and master gear mechanism welded connection.

Preferably, a first bearing is arranged between the tightening mechanism and the main gear mechanism, the main gear mechanism is rotatably connected with the tightening mechanism through the first bearing, a second bearing is arranged at one end of the rope shaft, and the second bearing is rotatably connected with the rope shaft.

Preferably, the auxiliary gear mechanism is consistent with the main gear mechanism in structure, the auxiliary gear mechanism is rotationally connected with the main gear mechanism, an opening is formed in the side surface of the protective shell, and the opening and the protective shell are of an integrated structure.

Preferably, the surface of the rope shaft is provided with a rope groove, the rope groove and the rope shaft are of an integral structure, and the front end of the rotating arm is provided with a fixing buckle mechanism.

Preferably, one end of the oil cylinder mechanism is provided with a fixed shaft, the two ends of the fixed shaft are provided with fixed plates, and the oil cylinder mechanism is rotatably connected with the fixed plates through the fixed shaft.

Preferably, the other end of the oil cylinder mechanism is rotatably connected with the connecting arm through a rotating shaft, a third connecting hole is formed in one end of the connecting arm, and the third connecting hole and the connecting arm are of an integrated structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the protective housing in dipper one side, set up main gear mechanism and auxiliary gear mechanism in the protective housing, main gear mechanism drives its rotation along first bearing and second bearing through tightening up the mechanism, main gear mechanism and auxiliary gear mechanism gear are crossing, so drive auxiliary gear mechanism and rotate when main gear mechanism rotates, external fixed rope encircles the rope shaft of fixed main gear mechanism and auxiliary gear mechanism one side and is connected with fixed knot mechanism, realize utilizing tightening up the mechanism to tighten up fixed rope when the rotor arm rotates, share scraper bowl weight, avoid weight whole to fall on hydro-cylinder mechanism, thereby reduce the loss of dipper at decline in-process hydro-cylinder mechanism, improve its energy-conserving effect, and the service life is prolonged.

2. Through set up the grooving on the fag end surface, the grooving diameter is less than the fag end to form a recess, external fixed rope rotates along the grooving and tightens up and relaxs, can avoid fixed rope skew to rock, plays spacing and stabilizing action.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the protective shell of the present invention;

fig. 3 is a schematic view of a connection structure of the main gear mechanism and the tightening structure of the present invention;

in the figure: 1. a bucket rod; 2. a first connection hole; 3. a second connection hole; 4. a connecting arm; 5. a third connection hole; 6. a rotating arm; 7. a rotating shaft; 8. an oil cylinder mechanism; 9. a fixing plate; 10. a fixed shaft; 11. a protective shell; 12. an opening; 13. a fixing buckle mechanism; 14. a main gear mechanism; 15. an auxiliary gear mechanism; 16. a tightening mechanism; 17. a first bearing; 18. a rope shaft; 19. rope grooves; 20. a second bearing.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an energy-conserving effect's dipper lowering device, including dipper 1, the one end of dipper 1 is provided with first connecting hole 2, the other end of dipper 1 is provided with second connecting hole 3, the upper end of dipper 1 is provided with hydro-cylinder mechanism 8, one side of hydro-cylinder mechanism 8 is provided with linking arm 4, the both sides of linking arm 4 all are provided with rotor arm 6, the both ends of rotor arm 6 all are provided with axis of rotation 7, and rotor arm 6 all rotates with linking arm 4 and dipper 1 through axis of rotation 7 and is connected, one side of dipper 1 is provided with protective housing 11, the inside of protective housing 11 is provided with master gear mechanism 14, one side of master gear mechanism 14 is provided with auxiliary gear mechanism 15, one side of master gear mechanism 14 is provided with tightening mechanism 16, the opposite side of master gear mechanism 14 is provided with rope shaft 18, and rope shaft 18 and master gear mechanism 14 welded connection.

Further, a first bearing 17 is arranged between the tightening mechanism 16 and the main gear mechanism 14, the main gear mechanism 14 is rotatably connected with the tightening mechanism 16 through the first bearing 17, a second bearing 20 is arranged at one end of the rope shaft 18, the second bearing 20 is rotatably connected with the rope shaft 18, the tightening mechanism 16 is used for tightening a fixed rope to share the weight of the bucket, the weight is prevented from falling on the oil cylinder mechanism 8, the loss of the oil cylinder mechanism 8 in the descending process of the bucket rod 1 is reduced, the energy-saving effect of the bucket rod is improved, and the service life of the bucket rod is prolonged.

Further, auxiliary gear mechanism 15 is unanimous with main gear mechanism 14 structure, and auxiliary gear mechanism 15 rotates with main gear mechanism 14 and is connected, and the side surface of protective housing 11 is provided with opening 12, and opening 12 and protective housing 11 structure as an organic whole, improves fixed rope stability.

Further, the surface of rope shaft 18 is provided with grooving 19, and grooving 19 and 18 structure as an organic whole of rope shaft, and the front end of rotor arm 6 is provided with fixed knot mechanism 13, can avoid fixed rope skew to rock, plays spacing and stabilizing action.

Further, one end of the oil cylinder mechanism 8 is provided with a fixing shaft 10, two ends of the fixing shaft 10 are provided with fixing plates 9, and the oil cylinder mechanism 8 is rotatably connected with the fixing plates 9 through the fixing shaft 10, so that the oil cylinder mechanism 8 can rotate conveniently.

Further, the other end of the oil cylinder mechanism 8 is rotatably connected with the connecting arm 4 through the rotating shaft 7, a third connecting hole 5 is formed in one end of the connecting arm 4, and the third connecting hole 5 and the connecting arm 4 are of an integrated structure, so that the external connection of the bucket is facilitated.

The working principle is as follows: when in use, a fixing buckle mechanism 13 is used for externally connecting a fixing rope, the fixing rope enters the protective shell 11 from the opening 12, the fixing buckle mechanism surrounds a rope shaft 18 on one side of the auxiliary gear mechanism 15 and the main gear mechanism 14 to be S-shaped, the bucket is externally connected through the first connecting hole 2 and the third connecting hole 5, the main gear mechanism 14 is driven to rotate along the first bearing 17 and the second bearing 20 through the tightening mechanism 16, the main gear mechanism 14 and the auxiliary gear mechanism 15 are crossed through gears, so that the auxiliary gear mechanism 15 is driven to rotate when the main gear mechanism 14 rotates, the stability of the fixing rope is improved, the oil cylinder mechanism 8 is used for driving the connecting arm 4 to move back and forth, the bucket is driven to move, the rotating arm 6 is driven to rotate while moving, the fixing rope is tightened through the tightening mechanism 16, the weight of the bucket is shared, the weight is prevented from completely falling on the oil cylinder mechanism 8, the loss of the oil cylinder mechanism 8 in the descending process of the bucket rod 1 is reduced, and the energy-saving effect of the bucket is improved, the service life is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an energy-conserving effect's dipper descent device, includes dipper (1), its characterized in that: one end of the bucket rod (1) is provided with a first connecting hole (2), the other end of the bucket rod (1) is provided with a second connecting hole (3), the upper end of the bucket rod (1) is provided with an oil cylinder mechanism (8), one side of the oil cylinder mechanism (8) is provided with a connecting arm (4), two sides of the connecting arm (4) are provided with rotating arms (6), two ends of each rotating arm (6) are provided with rotating shafts (7), the rotating arms (6) are rotatably connected with the connecting arm (4) and the bucket rod (1) through the rotating shafts (7), one side of the bucket rod (1) is provided with a protective shell (11), a main gear mechanism (14) is arranged inside the protective shell (11), one side of the main gear mechanism (14) is provided with an auxiliary gear mechanism (15), one side of the main gear mechanism (14) is provided with a tightening mechanism (16), the other side of the main gear mechanism (14) is provided with a rope shaft (18), and the rope shaft (18) is connected with the main gear mechanism (14) in a welding mode.

2. The boom lowering apparatus of claim 1, wherein: a first bearing (17) is arranged between the tightening mechanism (16) and the main gear mechanism (14), the main gear mechanism (14) is rotatably connected with the tightening mechanism (16) through the first bearing (17), a second bearing (20) is arranged at one end of the rope shaft (18), and the second bearing (20) is rotatably connected with the rope shaft (18).

3. The boom lowering apparatus of claim 1, wherein: the auxiliary gear mechanism (15) is consistent with the main gear mechanism (14) in structure, the auxiliary gear mechanism (15) is rotatably connected with the main gear mechanism (14), an opening (12) is formed in the side surface of the protective shell (11), and the opening (12) and the protective shell (11) are of an integrated structure.

4. The boom lowering apparatus of claim 1, wherein: the surface of the rope shaft (18) is provided with a rope groove (19), the rope groove (19) and the rope shaft (18) are of an integral structure, and the front end of the rotating arm (6) is provided with a fixing buckle mechanism (13).

5. The boom lowering apparatus of claim 1, wherein: one end of the oil cylinder mechanism (8) is provided with a fixed shaft (10), two ends of the fixed shaft (10) are provided with fixed plates (9), and the oil cylinder mechanism (8) is rotatably connected with the fixed plates (9) through the fixed shaft (10).

6. The boom lowering apparatus of claim 1, wherein: the other end of the oil cylinder mechanism (8) is rotatably connected with the connecting arm (4) through a rotating shaft (7), a third connecting hole (5) is formed in one end of the connecting arm (4), and the third connecting hole (5) and the connecting arm (4) are of an integrated structure.