CN205636844U

CN205636844U - Excavator hopper

Info

Publication number: CN205636844U
Application number: CN201620485108.9U
Authority: CN
Inventors: 李涛
Original assignee: Changsha Aeronautical Vocational and Technical College
Current assignee: Changsha Aeronautical Vocational and Technical College
Priority date: 2016-05-25
Filing date: 2016-05-25
Publication date: 2016-10-12
Anticipated expiration: 2026-05-25

Abstract

The utility model discloses an excavator hopper, include the bottom plate of arcuation and establish the curb plate in the bottom plate both sides, lower extreme at the bottom plate is fixed with the connecting block, is equipped with the holding chamber in the connecting block, and the holding chamber transversely sets up, and the one end in holding chamber is the opening, and the other end in holding chamber is the blind end, be equipped with on the connecting block with the holding communicating groove of dodging in chamber, dodge the groove and transversely set up, be equipped with the fixed block at the holding intracavity, be equipped with on the fixed block and pass the claw that digs of dodging the groove, be equipped with the voussoir on using the fixed block at the holding intracavity, the blind end contact in fixed block one end and holding chamber, the other end of fixed block lies in the holding intracavity, and the outside that lies in the other end of fixed block on the connecting block is equipped with the draw -in groove, and the draw -in groove vertically sets up, is equipped with the board of keeping out of keeping out the fixed block in the draw -in groove, is equipped with the screw between board and the connecting block keeping out. The utility model discloses a claw can quick change be dug to the structure, and the joint strength who digs the claw simultaneously is high.

Description

A kind of excavator hopper

Technical field

This utility model relates to excavator, especially the hopper of excavator.

Background technology

Excavator mainly by support, walking mechanism, driver's cabin, dig arm, hopper etc. and form, existing hopper is mainly made up of hopper body and the pawl that digs being arranged on hopper body.At present, the connected mode digging pawl and hopper body mainly has two kinds, and one is structure as a whole, this structure, if some digs pawl abrasion or damages, then needs to change whole hopper, and cost is the highest；Another kind is to be bolted, this structure, although can be individually replaced a certain pawl that digs, but the efficiency changed is low.

Summary of the invention

Digging pawl to enable quickly to change, the bonding strength simultaneously digging pawl is high, and this utility model provides a kind of excavator hopper.

For reaching above-mentioned purpose, a kind of excavator hopper, including base plate and the side plate being located at base plate both sides of Curved；Being fixed with contiguous block in the lower end of base plate, be provided with containing cavity, containing cavity horizontally set in contiguous block, one end of containing cavity is opening, and the other end of containing cavity is blind end, is provided with the escape groove communicated with containing cavity, escape groove horizontally set on contiguous block；Being provided with fixed block in containing cavity, what fixed block was provided through escape groove digs pawl；The voussoir being applied on fixed block it is provided with in containing cavity；Fixed block one end contacts with the blind end of containing cavity, the other end of fixed block is positioned at containing cavity, and the outside of the other end being positioned at fixed block on contiguous block is provided with draw-in groove, and draw-in groove is longitudinally disposed, be provided with in draw-in groove keep out fixed block keep out plate, be provided with screw between plate and contiguous block keeping out.

Said structure, owing to being provided with screw, keeping out plate, containing cavity, fixed block, if fixed block to be dismantled and dig pawl, unclamp screw, disassemble and keep out plate, fixed block is extracted out from storage tank, if fixed block to be installed and dig pawl, first fixed block is inserted in containing cavity, then will keep out plate to be inserted in draw-in groove, lock screw, therefore, the installation and removal speed digging pawl is fast, and being plugged in containing cavity of fixed block, its one end is kept out by blind end, and the other end is kept out by keeping out plate, therefore, the bonding strength between fixed block and contiguous block is high.It addition, in general, pawl is dug mainly by longitudinal force, lateral stressed relatively small, even if it is lateral stressed bigger, it is also possible to by blind end with keep out plate and bear, when keeping out plate by cross force, it is to be stuck in draw-in groove owing to keeping out plate, the power keeping out plate is directly delivered on contiguous block, and therefore, the screw keeping out plate for locking does not stresses substantially, screw is not easily tied fracture, keeps out plate and keeps out fixed block the most reliable.Owing to being provided with voussoir, as such, it is possible to be in close contact by the containing cavity of fixed block with contiguous block by voussoir, prevent digging pawl and occur rocking when operation.

Further, spring it is provided with between plate and voussoir keeping out.This structure, if the inwall of fixed block or containing cavity has abrasion, owing to spring has active force to voussoir, therefore, it can automatically adjust the position of voussoir, allows fixed block be in close contact with the containing cavity of contiguous block, prevents digging pawl and occur rocking when operation.

Further, the described pawl that digs includes body and digs claw, and body passes escape groove, is provided with inserting groove on body, and the one end digging claw is inserted in inserting groove, is provided with counter sink on body, is provided through digging the lock-screw of claw and body in counter sink.This structure, digs pawl abrasion or damaged if a certain, can be individually replaced and dig claw, reduce maintenance cost.

Further, being provided with the taper hole of longitudinal extension on fixed block, taper hole is away from digging one end of pawl more than near the one end digging pawl；Digging pawl through taper hole through escape groove, the one end digging pawl is kept out by voussoir.This structure, digs pawl abrasion or damaged if a certain, can be individually replaced and dig pawl, reduce maintenance cost.It addition, this structure need not use screw to fix digs pawl, therefore need not screw hole, the intensity digging pawl can be improved.

Accompanying drawing explanation

Fig. 1 is the axonometric chart of excavator.

Fig. 2 is the exploded view of excavator.

Fig. 3 is the sectional view of excavator.

Fig. 4 is the axonometric chart of protection type wheel assembly.

Fig. 5 is the top view of protection type wheel assembly.

Fig. 6 is the exploded view of protection type wheel assembly.

Fig. 7 is A-A sectional view in Fig. 5.

Fig. 8 is the schematic diagram that protection type wheel shaft, wheel house in cavity.

Fig. 9 is the axonometric chart of excavator hopper.

Figure 10 is the side schematic view of excavator hopper.

Figure 11 is contiguous block A-A sectional view.

Figure 12 is the schematic diagram of contiguous block.

Figure 13 is for installing fixed block, digging pawl B-B sectional view on contiguous block.

Figure 14 is to install fixed block on contiguous block, dig the schematic diagram of pawl.

Detailed description of the invention

With detailed description of the invention, this utility model is further elaborated below in conjunction with the accompanying drawings.

As shown in Figure 1 to Figure 3, excavator includes chassis 1, support column 2, supporting platform 3, bearing 4, rotation platform 5, power set 6, driver's cabin 7, digging arm 8, excavator hopper 9, crawler type walking mechanism 10 and wheel assembly 11.

The lower end of support column 2 is fixed on chassis 1；Supporting platform 3 is fixed on the upper end of support column 2；Bearing 4 includes outer ring 41 and inner ring 42, and outer ring 41 is enclosed within outside inner ring 42, and inner ring 42 is higher than outer ring 41, and outer ring 41 is bolted on supporting platform 3, and inner ring 42 is bolted on rotation platform 5；Power set 6 are diesel engine, and power set 6 are fixed on rotation platform 5, and connecting on the output shaft of diesel engine has hydraulic pump, and hydraulic pump is connected on the first hydraulic motor and the second hydraulic motor by hydraulic system；Driver's cabin 7 is fixed on rotation platform 5；Described digging arm 8 includes one-level arm 81 and two grades of arms 82, and one end of one-level arm 81 is fixed on rotation platform 5, and one end of two grades of arms 82 is hinged on the other end of one-level arm 81, and excavator hopper 9 is hinged on the other end of two grades of arms 82.

As shown in Figure 1 to Figure 3, described crawler type walking mechanism 10 includes walker 101, the driving wheel 102 being located at walker 101 two ends, the directive wheel 103 being located on walker 101 and crawler belt 104, crawler belt 104 is enclosed between two driving wheels 102, and is guided by directive wheel 103；Being provided with the second hydraulic motor on walker 101, the second fluid motor-driven driving wheel rotates, thus drives crawler belt 104 to move, so, can not only improve driving force, and can realize the stepless time adjustment of caterpillar drive.

As shown in Figures 2 to 7, before and after chassis 1, both sides are respectively fixed with wheel assembly 11.Described wheel assembly 11 includes wheel seat 111, cover plate 112, support 113, wheel shaft 114, wheel 115 and oil cylinder 116.

As shown in Figure 6 and Figure 7, wheel seat 111 has the most through cavity, described cavity includes the first cavity 1111 from wheel seat top to middle part and from the most through the second cavity 1112 of the first cavity 1111, second cavity 1112 is less than the first cavity 1111, being formed with first step 1113 between the first cavity 1111 and the second cavity 1112, first step 1113 is provided with storage tank 1114.In the upper end of the first cavity 1111, there is outward extending second step 1115.

As shown in Fig. 4 to Fig. 8, two relative edges being positioned at cavity on wheel seat 11 are respectively equipped with chute 117, and the bearing of trend of chute 117 is consistent with the direction of travel of excavator, are provided with the groove 118 communicated with cavity on wheel seat 11, and described groove 118 communicates with chute 117.Through there being the baffle plate 201 guided by chute 117 in groove 118, one end of baffle plate 201 is positioned at outside wheel seat 11, is hinged with telescopic oil cylinder 202 stretching out between the baffle plate outside wheel seat and wheel seat.

Cover plate 112 is arranged on second step 1115, and cover plate 112 can be by being welded to connect with wheel seat 111, it is possible to is bolted.

Support 113 includes lower carriage 1131 and upper bracket 1132, and the lower end of lower carriage 1131 is fixed on wheel shaft 114, and upper bracket 1132 is fixed on lower carriage 1131, and having in the end of upper bracket 1132 can be along for accommodation into the support 11321 in storage tank 1114.

Being separately installed with wheel 115 at the two ends of wheel shaft 114, be provided with the first hydraulic motor on wheel shaft 114, the first fluid motor-driven wheel 115 rotates, and so, is possible not only to improve the driving force of wheel 115, and conveniently realizes stepless time adjustment.

Being provided with described oil cylinder 116 between each support and cover plate 112, the cylinder body of oil cylinder 116 is hinged on cover plate 112, and the piston rod of oil cylinder 116 is hinged on support.

In this utility model, oil cylinder 116, support 113 are always positioned in cavity.

Being provided with spacing hole (not shown) in the position of driving wheel disalignment, be provided with locating oil cylinder (not shown) on wheel seat, the piston rod of locating oil cylinder can extend in spacing hole.

As shown in Figure 8, for using the schematic diagram of crawler-type traveling mode, this kind of state, oil cylinder 116, support 113, wheel shaft 114 and wheel 115 all house in cavity, and baffle plate 202 can be positioned at the lower section of wheel 115 so that the lower surface of crawler belt 104 is less than wheel 115.Running on wheels mode is converted to if desired for by crawler-type traveling mode, its process is: as shown in Figure 3, baffle plate 201 is driven to move laterally by telescopic oil cylinder 202 until wheel can stretch out, then oil cylinder 116 is controlled, the piston rod allowing oil cylinder 116 drives support 113 to move downward, now, wheel shaft 114, wheel 115 is followed support 113 and is moved downward by the second cavity, when support 113 moves to support 11321 along for accommodation into after in storage tank 1114, the piston rod of oil cylinder stops moving downward, now, wheel 115 is less than crawler belt 104, then its piston rod is driven to be inserted in spacing hole by locating oil cylinder, crawler belt accidental movement can be prevented, then can be rotated by band motor car wheel 115 by the first hydraulic motor, realize running on wheels pattern.Crawler-type traveling pattern is converted to if desired for by running on wheels mode, first the piston rod of locating oil cylinder is regained, piston rod is allowed to depart from spacing hole, so, can allow caterpillar drive, then drive support 113, wheel shaft 114 and wheel 115 to enter in cavity by oil cylinder 116, allow crawler belt 104 less than wheel 115, finally utilize telescopic oil cylinder 202 to drive baffle plate 201 to regain, allow baffle plate 201 block the under shed of cavity.In this manner it is possible to change two kinds of different walking manners easily and efficiently, to be suitable for different occasions.Additionally, when using crawler-type traveling mode, oil cylinder 116, support 113, wheel shaft 114 and wheel 115 are all received in cavity, and utilize baffle plate 201 to block opening, therefore, on the one hand walking and the work of excavator when using crawler-type traveling state are not interfered with, on the other hand rainwater can well be prevented, hydrops, earth, dust etc. enter in cavity, preferably protect wheel assembly, extend the service life of wheel assembly, in structure of the present utility model, baffle plate 201 is scalable, therefore, even being provided with baffle plate 201, the mode of running on wheels is not interfered with yet, additionally, described chute 117 can play the effect of guiding, the effect of supporting baffle 201 can be played again, the motion making baffle plate 201 is the most stable.Have again, as used running on wheels mode, support 11321 is contained in storage tank 1114, support 113 is carried out horizontal and vertical spacing by the sidewall utilizing storage tank 1114, utilizing oil cylinder 116 to carry out vertical spacing to support 113, so, excavator is in the process of walking, the walking stability of wheel and good reliability so that the walking stability of excavator is good.

As shown in Figure 9 and Figure 10, excavator hopper 9 includes the base plate 91 of Curved and is located at the side plate 92 of base plate 91 both sides；It is fixed with contiguous block 94 in the lower end of base plate 91, as is illustrated by figs. 11 and 12, containing cavity 941 it is provided with in contiguous block 94, containing cavity 941 horizontally set, in this utility model, laterally refers to the direction vertical with side plate 92, one end of containing cavity 941 is opening, the other end of containing cavity 941 is blind end, is provided with the escape groove 942 communicated with containing cavity 941, escape groove 942 horizontally set on contiguous block 94；As shown in Figure 13 and Figure 14, being provided with fixed block 95 in containing cavity 941, be provided with the taper hole 951 of longitudinal extension on fixed block 95, the quantity of taper hole 951 is identical with the quantity digging pawl 93, and taper hole 951 is away from digging one end of pawl 93 more than near the one end digging pawl 93；Dig pawl 93 through taper hole 951 through escape groove 942；In containing cavity 941, it is provided with the voussoir 96 being applied on fixed block 95, digs pawl 93 and act on voussoir 96, prevent digging pawl 93 and move；Fixed block 95 one end contacts with the blind end of containing cavity 941, the other end of fixed block 95 is positioned at containing cavity 941, as shown in figure 12, the outside of the other end being positioned at fixed block 95 on contiguous block 94 is provided with draw-in groove 942, draw-in groove 942 is longitudinally disposed, as shown in figure 14, be provided with in draw-in groove 942 keep out fixed block 95 keep out plate 96, be provided with screw 97 between plate 96 and contiguous block 94 keeping out；Spring 98 it is provided with between plate 96 and voussoir 96 keeping out.

Said structure, owing to being provided with screw 97, keep out plate 96, containing cavity 941, fixed block 95, if fixed block to be dismantled 95 and dig pawl 93, unclamp screw 97, disassemble and keep out plate 96, fixed block 95 is extracted out from containing cavity, if fixed block to be installed 95 and dig pawl 93, first fixed block 95 is inserted in containing cavity 941, then will keep out plate 96 to be inserted in draw-in groove 942, lock screw 97, therefore, the installation and removal speed digging pawl 93 is fast, and being plugged in containing cavity 941 of fixed block 95, its one end is kept out by blind end, the other end is kept out by keeping out plate 96, therefore, bonding strength between fixed block 95 and contiguous block 94 is high.It addition, in general, pawl 93 is dug main by longitudinal force, lateral stressed relatively small, even if it is lateral stressed bigger, it is also possible to by blind end with keep out plate 96 and bear, when keeping out plate 96 by cross force, it is to be stuck in draw-in groove 942 owing to keeping out plate 96, the power keeping out plate 96 is directly delivered on contiguous block 94, and therefore, the screw 97 keeping out plate 96 for locking does not stresses substantially, screw 97 is not easily tied fracture, keeps out plate 96 the most reliable to keeping out of fixed block 95.Owing to being provided with voussoir 96, as such, it is possible to allow fixed block 95 be in close contact with the containing cavity 941 of contiguous block 94 by voussoir 96, prevent digging pawl 93 and occur rocking when operation；If the inwall of fixed block 95 or containing cavity 941 has abrasion, owing to spring 98 has active force to voussoir 96, therefore, it can automatically adjust the position of voussoir 96, allow fixed block 95 be in close contact with the containing cavity 941 of contiguous block 94, prevent digging pawl 93 and occur rocking when operation.

Use and above-mentioned dig pawl 93 fixed structure, if a certain pawl 93 that digs weares and teares or damaged, can be individually replaced and dig pawl 93, reduce maintenance cost.It addition, this structure need not use screw 97 to fix digs pawl 93, therefore need not screw 97 hole, the intensity digging pawl 93 can be improved.

Digging the another kind of structure of pawl 93, the described pawl 93 that digs includes body and digs claw, and body passes escape groove 942, body is provided with inserting groove, the one end digging claw is inserted in inserting groove, is provided with counter sink on body, is provided through digging the lock-screw of claw and body in counter sink.This structure, if a certain pawl 93 that digs weares and teares or damaged, can be individually replaced and dig claw, reduces maintenance cost.

Claims

1.A kind of excavator hopper, including base plate and the side plate being located at base plate both sides of Curved；It is characterized in that: be fixed with contiguous block in the lower end of base plate, in contiguous block, be provided with containing cavity, containing cavity horizontally set, one end of containing cavity is opening, the other end of containing cavity is blind end, is provided with the escape groove communicated with containing cavity, escape groove horizontally set on contiguous block；Being provided with fixed block in containing cavity, what fixed block was provided through escape groove digs pawl；The voussoir being applied on fixed block it is provided with in containing cavity；Fixed block one end contacts with the blind end of containing cavity, the other end of fixed block is positioned at containing cavity, and the outside of the other end being positioned at fixed block on contiguous block is provided with draw-in groove, and draw-in groove is longitudinally disposed, be provided with in draw-in groove keep out fixed block keep out plate, be provided with screw between plate and contiguous block keeping out.

2.According to claim 1 Described excavator hopper, it is characterised in that: it is provided with spring between plate and voussoir keeping out.

3.According to claim 1 Described excavator hopper, it is characterised in that: the described pawl that digs includes body and digs claw, and body passes escape groove, body is provided with inserting groove, the one end digging claw is inserted in inserting groove, is provided with counter sink on body, is provided through digging the lock-screw of claw and body in counter sink.

4.According to claim 1 Described excavator hopper, it is characterised in that: being provided with the taper hole of longitudinal extension on fixed block, taper hole is away from digging one end of pawl more than near the one end digging pawl；Digging pawl through taper hole through escape groove, the one end digging pawl is kept out by voussoir.