CN206328799U - A kind of anti-sticking glutinous excavator bucket hook - Google Patents

Abstract

The utility model discloses a kind of anti-sticking glutinous excavator bucket hook, including installing plate, the both sides in portion are provided with the otic placode with axis hole on a mounting board, in the ratch of the arc of the bottom centre position welded bands bucket tooth of installing plate, sheath is provided with by bearing pin on the inside of the curved surface of ratch arc, set with teeth is installed by bearing pin on bucket tooth top, leading chute is provided with the bucket tooth back side, symmetrically there is auxiliary guiding gutter in the both sides of guiding gutter, guiding gutter is aided in point to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, the edge sealing vertical with auxiliary guiding gutter axis is provided with two side walls of auxiliary guiding gutter, and leave gap between two edge sealing.When bucket tooth cuts soil horizon, two auxiliary guiding gutters are symmetricly set on the both sides of leading chute, and aid in guiding gutter to point to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, a rectangular column and two inclined T-shaped posts are produced on the section of soil horizon, it is to avoid declining suddenly occurs in crushing process in bucket tooth.

Description

A kind of anti-sticking glutinous excavator bucket hook

Technical field

The utility model is related to a kind of excavator, specifically refers to a kind of anti-sticking glutinous excavator bucket hook.

Background technology

Excavator ridge buster is also bucket hook, and usually monodentate also has two teeth or three teeth, excavates cutting-in force strong.Suitable for hard Native, secondary hard stone, the crushing of land waste, division, in order to be excavated with bucket and loading operation.Bucket tooth is that excavator is worked Easy consumption part in journey, especially crown position, during with contacting material high speed contact, the impulsive force being subject to is than stronger, if intensity Than relatively low, tooth tip portion is easily deformed upon, with the increase of excavating depth and the relative motion with material, to the whole table of bucket tooth Face can produce forward extrusion power, and especially in excavating rock class material, the frictional force between bucket tooth and material is bigger, therefore bucket tooth Intensity and construction determine the service life of bucket tooth；Existing bucket tooth has wedge shape, flat, sticker type etc., wedge shape, the bucket of flat Tooth more with more blunt, sticker type due to the small wear rate of intensity it is low.

It is mined thing and generally comprises lithosphere, concrete layer and soil horizon, the bucket of excavator is hooked in incision and is mined thing When, its crown position first contacting material surface when due to speed, excavator bucket tip portions are by stronger impact. And in the composite bed for compound stratum, i.e. concrete layer or lithosphere and soil horizon, soil genetic horizon is located at high rigidity Below concrete layer or lithosphere, excavator is when being excavated, and bucket hook reduces drivage efficiency simultaneously.

Utility model content

The purpose of this utility model is to provide a kind of anti-sticking glutinous excavator bucket hook, reduces bucket and is hooked in high viscosity soil horizon Resistance during driving, while improving drivage efficiency.

The purpose of this utility model is achieved through the following technical solutions：

A kind of anti-sticking glutinous excavator bucket hook, including installing plate, are provided with axle in the both sides on the installing plate top The otic placode in hole, is welded with trapezoidal securing plate between two otic placodes, in the bottom centre position welded bands bucket of the installing plate The ratch of the arc of tooth, reinforcing plate is welded between the square edge of the installing plate and the outer wall of the ratch, Sheath is provided with by bearing pin on the inside of the curved surface of the ratch arc, set with teeth is installed by bearing pin on the bucket tooth top, Leading chute is provided with the bucket tooth back side, symmetrically there is auxiliary guiding gutter, the auxiliary water conservancy diversion in the both sides of the leading chute Groove points to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, is provided with two side walls of the auxiliary guiding gutter The edge sealing vertical with auxiliary guiding gutter axis, and leave gap between two edge sealing.

During work, the connection end of the engineering machinery such as excavator machine is inserted into the axis hole of otic placode by connecting shaft, to making Industry place carries out constructing operation, due to being welded with reinforcement between the square edge of installing plate and the outer wall of the ratch Plate, and then add the intensity of ratch；Set with teeth is installed by bearing pin on bucket tooth top, and high rigidity is being penetrated in bucket hook portion Concrete layer or lithosphere after, the working face of bucket tooth enters directly into the relatively small soil horizon of hardness, now due to dig The power output of pick machine is not reduced, and due to inertia bigger displacement can occur in soil horizon for bucket tooth downwards, that is, struggle against hook portion The force unbalance between the body part of excavator, body part easily leans forward, and causes in the larger location pair of the gradient Easily there is security incident when lithosphere or concrete layer are crushed, divided；For the problem, utility model people is in bucket tooth Leading chute and two auxiliary guiding gutters are provided with the back side, i.e., after bucket tooth passes through lithosphere or concrete layer, under bucket tooth Portion is contacted with soil horizon, and relative extruding is now formed between bucket tooth madial wall and soil horizon, and dominates chute and two The cushion space that auxiliary guiding gutter discharges as the extruding force make it that bucket tooth madial wall is quickly cut in soil horizon, while part soil Earth is poured into leading chute and two auxiliary guiding gutters so that the contact area increase of bucket tooth and soil horizon so that soil horizon A part for middle medium is directly merged into an entirety with the working face of bucket tooth, and buffered using the viscous force of soil horizon bucket tooth after The continuous trend moved down, while utilizing the phase between the relatively large ratch of the external diameter concrete layer larger with hardness or lithosphere Mutually stop, further reduction bucket tooth continues the speed moved down, to ensure that bucket tooth is being excavated after concrete layer or lithosphere The stability of the body part of machine.Wherein, when bucket tooth cuts soil horizon, two auxiliary guiding gutters are symmetricly set on leading chute Both sides, and aid in guiding gutter to point to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, and aid in guiding gutter Edge sealing is provided with two side, that is, make it that the slot-open-section of auxiliary guiding gutter realizes that half wraps up, now the back side of bucket tooth and soil The contact of layer was changed on the section of multi-surface contact, i.e. soil horizon producing a rectangular column and two from former plane contact Inclined T-shaped post, it is to avoid declining suddenly occurs in crushing process in bucket tooth, and reduce motion path of the bucket tooth in retraction, carry The security that excavator is constructed in heavy grade section is ensured while high drivage efficiency.

Crown is provided with the bottom of the bucket tooth madial wall, the direction that the crown points to its bottom along at the top of bucket tooth is inclined Tiltedly.The crown being obliquely installed is so that the end of bucket tooth has a high intensity and sharp keen incision inferius, while can reduce material base Body is to the incision resistance of bucket tooth, while so that the material rolled upwards is quickly moved in guiding gutter.

Abrasion-proof ceramic coat is equipped with the inwall of the auxiliary guiding gutter and leading chute.Due to the work of bucket tooth The quick incision in face, dominates chute and produces friction with two auxiliary guiding gutters and soil horizon tangent planes, in auxiliary guiding gutter and dominates The inwall of chute sets abrasion-proof ceramic coat, it is possible to decrease the abrasion of bucket tooth working face, extends the service life of bucket tooth.

Two side walls of the auxiliary guiding gutter are bent to form arc surface along the direction away from auxiliary guiding gutter axis.Auxiliary The sidewalls flex of guiding gutter is into cambered surface so that the space in auxiliary guiding gutter further expands, and facilitates bucket tooth soil when moving down Layer forms stop to it, and further reduction bucket tooth moves down speed when penetrating concrete layer or lithosphere.

The leading chute is rectangular channel.Preferably, leading chute is set into rectangular channel, with ensure the bucket tooth back side with Possess enough contacts area between the tangent plane of soil horizon, while the extruding produced using the tangent plane of soil horizon to the bucket tooth back side Power, accelerates soil horizon contact with leading chute.

The groove width of the auxiliary guiding gutter is successively decreased along its axis to the direction covered away from tooth.Preferably, auxiliary guiding gutter Groove width along its axis to away from tooth cover direction successively decrease, i.e. bucket tooth pours in auxiliary guiding gutter after incision by soil horizon tangent plane The T-shaped column dimension that interior soil is formed is continuously increased, so improve move down speed to bucket tooth slow down effect.

The utility model compared with prior art, has the following advantages and advantages：

1st, of the present utility model when bucket tooth cuts soil horizon, two auxiliary guiding gutters are symmetricly set on the two of leading chute Side, and aid in guiding gutter to point to outward-dipping extension on the direction of tooth set bottom along bucket tooth bottom, and aid in the both sides of guiding gutter It is provided with edge sealing on wall, that is, make it that the slot-open-section of auxiliary guiding gutter realizes that half wraps up, now the back side of bucket tooth and soil horizon Contact was changed into producing a rectangular column and two inclinations on the section of multi-surface contact, i.e. soil horizon from former plane contact T-shaped post, it is to avoid declining suddenly occurs in crushing process in bucket tooth, and reduce bucket tooth retraction when motion path, improve pick The security that excavator is constructed in heavy grade section is ensured while entering efficiency；

2nd, the utility model is obliquely installed crown so that the end of bucket tooth has a high intensity and sharp keen incision inferius, Incision resistance of the material matrix to bucket tooth can be reduced simultaneously, while so that the material rolled upwards is quickly moved in guiding gutter；

3rd, the utility model dominates chute and two auxiliary guiding gutters and soil horizon due to the quick incision of the working face of bucket tooth Tangent plane produces friction, sets abrasion-proof ceramic coat in the inwall of auxiliary guiding gutter and leading chute, it is possible to decrease bucket tooth working face Abrasion, extend bucket tooth service life.

Brief description of the drawings

Accompanying drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application Part, does not constitute the restriction to the utility model embodiment.In the accompanying drawings：

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

Fig. 2 is the rearview of bucket tooth；

Fig. 3 is the structural representation of guiding gutter.

Mark and corresponding parts title in accompanying drawing：

1- installing plates, 2- otic placodes, 3- securing plates, 4- axis holes, 5- reinforcing plates, 6- ratch, 7- sheaths, 8- teeth set, 9- bucket tooths, 91- edge sealing, 92- arc surfaces, 10- dominate chute, 11- auxiliary guiding gutter, 12- crowns.

Embodiment

For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing, The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this Utility model, is not intended as limiting of the present utility model.

Embodiment 1

As shown in FIG. 1 to 3, the present embodiment includes installing plate 1, is provided with and carries in the both sides on the top of installing plate 1 The otic placode 2 of axis hole 4, is welded with trapezoidal securing plate 3 between two otic placodes 2, is welded in the bottom centre position of the installing plate 1 The ratch 6 of the arc of tape splicing bucket tooth 9, is welded between the square edge of the installing plate 1 and the outer wall of the ratch 6 There is reinforcing plate 5, sheath 7 is provided with by bearing pin on the inside of the curved surface of the arc of ratch 6, pin is passed through on the top of bucket tooth 9 Axle installs set 8 with teeth, is provided with leading chute 10 at the back side of bucket tooth 9, symmetrically has auxiliary in the both sides of the leading chute 10 Guiding gutter 11, the auxiliary guiding gutter 11 points to tooth along the bottom of bucket tooth 9 and covers outward-dipping extension on the direction of 8 bottoms, described Aid in two side walls of guiding gutter 11 to be provided with the edge sealing 91 vertical with the auxiliary axis of guiding gutter 11, and stayed between two edge sealing 91 There is gap.

During work, the connection end of the engineering machinery such as excavator machine is inserted into the axis hole 4 of otic placode 2 by connecting shaft, it is right Work places carry out constructing operation, add due to being welded between the square edge of installing plate 1 and the outer wall of the ratch 6 Strong plate 5, and then add the intensity of ratch 6；Set 8 with teeth is installed by bearing pin on the top of bucket tooth 9, and penetrated in bucket hook portion After the concrete layer or lithosphere of high rigidity, the working face of bucket tooth 9 enters directly into the relatively small soil horizon of hardness, now Because the power output of excavator is not reduced, due to inertia bigger displacement can occur in soil horizon for bucket tooth 9 downwards, that is, struggle against Force unbalance between hook portion and the body part of excavator, body part easily leans forward, and causes larger in the gradient Easily there is security incident when location is crushed, divided to lithosphere or concrete layer；For the problem, utility model people Leading chute 10 and two auxiliary guiding gutters 11 are provided with the back side of bucket tooth 9, i.e., pass through lithosphere or concrete in bucket tooth 9 After layer, the bottom of bucket tooth 9 is contacted with soil horizon, and relative extruding is now formed between the madial wall of bucket tooth 9 and soil horizon, and is dominated The cushion space that chute 10 and two auxiliary guiding gutters 11 discharge as the extruding force make it that the madial wall of bucket tooth 9 quickly cuts soil In earth layer, while part soil is poured into leading chute 10 and two auxiliary guiding gutters 11 so that bucket tooth 9 connects with soil horizon Contacting surface product increase a so that part for medium is directly merged into an entirety with the working face of bucket tooth 9 in soil horizon, and utilizes soil The viscous force of earth layer buffers the trend that bucket tooth 9 continues to move down, while utilizing larger mixed of external diameter relatively large ratch 6 and hardness Solidifying mutual stop between soil layer or lithosphere, further reduces the speed that bucket tooth 9 continues to move down, to ensure that bucket tooth 9 is being passed through Wear the stability of the body part of excavator after concrete layer or lithosphere.Wherein, when bucket tooth 9 cuts soil horizon, two Auxiliary guiding gutter 11 is symmetricly set on the both sides of leading chute 10, and aids in guiding gutter 11 to point to 8 bottoms of tooth set along the bottom of bucket tooth 9 Direction on outward-dipping extension, and aid in being provided with edge sealing 91 on the two side of guiding gutter 11, that is, cause auxiliary guiding gutter 11 Slot-open-section realize that half wraps up, now the back side of bucket tooth 9 was changed into multiaspect from former plane contact with the contact of soil horizon and connect Touch, i.e., a rectangular column and two inclined T-shaped posts are produced on the section of soil horizon, it is to avoid bucket tooth 9 is in crushing process Appearance declines suddenly, and reduces motion path of the bucket tooth 9 in retraction, ensures excavator in great Po while improving drivage efficiency Spend the security of section construction.

In the present embodiment, crown 12 is provided with the bottom of the madial wall of bucket tooth 9, the crown 12 is along the top of bucket tooth 9 The direction for pointing to its bottom is tilted.The crown 12 that is obliquely installed so that the end of bucket tooth 9 there is a high intensity and it is sharp keen under Point of contact, while incision resistance of the material matrix to bucket tooth 9 can be reduced, while so that the material rolled upwards is quick in guiding gutter It is mobile.Due to the quick incision of the working face of bucket tooth 9, leading chute 10 is produced with soil horizon tangent plane with two auxiliary guiding gutters 11 and rubbed Wipe, abrasion-proof ceramic coat is set in the inwall of auxiliary guiding gutter 11 and leading chute 10, it is possible to decrease the mill of the working face of bucket tooth 9 Damage, extend the service life of bucket tooth 9.

Wherein, the sidewalls flex of auxiliary guiding gutter 11 is into arc surface 92 so that the space in auxiliary guiding gutter 11 is further Expand, facilitate the soil horizon when moving down of bucket tooth 9 to form stop to it, further reduction bucket tooth 9 is penetrating concrete layer or rock Speed is moved down during rock layers.

Preferably, leading chute 10 is set into rectangular channel, to ensure to have between the back side of bucket tooth 9 and the tangent plane of soil horizon Enough contacts area are prepared enough, while the extruding force produced using the tangent plane of soil horizon to the back side of bucket tooth 9, accelerates soil horizon with dominating The contact of chute 10.

Preferably, the groove width of auxiliary guiding gutter 11 is successively decreased along its axis to the direction covered away from tooth, i.e., bucket tooth 9 is in incision Afterwards, the T-shaped column dimension that the soil poured in by soil horizon tangent plane in auxiliary guiding gutter 11 is formed is continuously increased, and then is improved to bucket What tooth 9 moved down speed slows down effect.

Above-described embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect One step is described in detail, be should be understood that and be the foregoing is only embodiment of the present utility model, is not used to limit Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, is equally replaced Change, improve, should be included within protection domain of the present utility model.

Claims (6)

1. a kind of anti-sticking glutinous excavator bucket hook, including installing plate (1), are provided with the both sides on the installing plate (1) top There is the otic placode (2) of axis hole (4), trapezoidal securing plate (3), the bottom in the installing plate (1) are welded between two otic placodes (2) The ratch (6) of the arc of portion centre position welded bands bucket tooth (9), the square edge of the installing plate (1) with it is described Reinforcing plate (5) is welded between the outer wall of ratch (6), shield is provided with by bearing pin on the inside of the curved surface of the ratch (6) arc Cover (7), set (8) with teeth installed by bearing pin on the bucket tooth (9) top, it is characterised in that：It is provided with the bucket tooth (9) back side Leading chute (10), symmetrically there is auxiliary guiding gutter (11), the auxiliary guiding gutter (11) in the both sides of the leading chute (10) Outward-dipping extension on the direction of tooth set (8) bottom is pointed to along bucket tooth (9) bottom, in two sides of the auxiliary guiding gutter (11) Wall is provided with the edge sealing (91) vertical with auxiliary guiding gutter (11) axis, and leaves gap between two edge sealing (91).

2. a kind of anti-sticking glutinous excavator bucket hook according to claim 1, it is characterised in that：On the inside of the bucket tooth (9) The bottom of wall is provided with crown (12), and the direction that the crown (12) points to its bottom along at the top of bucket tooth (9) is tilted.

3. a kind of anti-sticking glutinous excavator bucket hook according to claim 1, it is characterised in that：In the auxiliary guiding gutter (11) and on the inwall of leading chute (10) it is equipped with abrasion-proof ceramic coat.

4. a kind of anti-sticking glutinous excavator bucket hook according to claim 1 or 3, it is characterised in that：The auxiliary guiding gutter (11) two side walls are bent to form arc surface (92) along the direction away from auxiliary guiding gutter (11) axis.

5. a kind of anti-sticking glutinous excavator bucket hook according to claim 1, it is characterised in that：The leading chute (10) is Rectangular channel.

6. a kind of anti-sticking glutinous excavator bucket hook according to claim 1, it is characterised in that：The auxiliary guiding gutter (11) Groove width successively decrease along its axis to away from the direction of tooth set (8).