CN201646388U - Engineering machinery and transfer case suspension device thereof - Google Patents
Engineering machinery and transfer case suspension device thereof Download PDFInfo
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- CN201646388U CN201646388U CN2009202989569U CN200920298956U CN201646388U CN 201646388 U CN201646388 U CN 201646388U CN 2009202989569 U CN2009202989569 U CN 2009202989569U CN 200920298956 U CN200920298956 U CN 200920298956U CN 201646388 U CN201646388 U CN 201646388U
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- auxiliary gear
- vehicle frame
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Abstract
The utility model discloses a transfer case suspension device for connecting a transfer case with a vehicle frame, the suspension device comprises a supporting part disposed between the lower part of the transfer case and the vehicle frame, and also comprises a draw bar part, the side end part of the draw bar part is fixedly connected with the vehicle frame by an elastic member, and the other side end part of the draw bar part is fixedly connected with the upper part of the transfer case. Compared with the prior art, the transfer case suspension device is provided with the draw bar part additionally, and both ends of the draw bar part are respectively fixedly connected with the upper part of the transfer case and the vehicle frame through an elastic member for limiting the transfer case to have a swinging trend based on inertia under various operating conditions. On that basis, the utility model also provides an engineering machinery of the transfer case suspension device.
Description
Technical field
The utility model relates to the connection structure of vehicle chassis auxiliary gear box, is specifically related to a kind of construction machinery and equipment and auxiliary gear box suspension gear thereof.
Background technology
On the vehicle that existing many bridges drive, each drive axle is arrived in general power distribution of all by auxiliary gear box change speed gear box being exported.In the concrete assembly relation, auxiliary gear box is fixedly installed on the vehicle frame, its input end is connected with the mouth of change speed gear box by universal driving device, its a plurality of mouths are connected with elements such as axle drive shaft or oil pumps by universal driving device respectively, thus according to certain ratio with transmission of power to each actuating device.Travelling with car load is example, and the transfer route of power is: driving engine → change speed gear box → transmission shaft → auxiliary gear box → corresponding transmission shaft → forward and backward axle drive shaft, power finally is delivered to wheel through above-mentioned route, travels thereby drive car load.
As everyone knows, vehicle integral body is a movable parts, and auxiliary gear box need link to each other with vehicle frame by the connecting device of certain version, thereby makes auxiliary gear box be supported on the vehicle frame reliably, and moves with car load.The auxiliary gear box suspension gear is exactly this connecting device.In the real work, in vehicle start, acceleration, brake, turn to etc. under the operating mode and periodicity disturbance force that universal drive shaft produces all can cause and the swing of auxiliary gear box promptly, produces relative displacement between auxiliary gear box and the vehicle frame.Yet this displacement yardstick is excessive, must cause the early damage of transfer case housing and connecting device, makes the car load cisco unity malfunction; For heavy goods vehicles, because its load is more outstanding than die the problems referred to above.
For this reason, available technology adopting support component 20 is connected auxiliary gear box 10 on the vehicle frame 30; See also Fig. 1, the figure shows the assembling scheme drawing of existing auxiliary gear box suspension gear.As shown in the figure, its main design concept is by the stent length of lengthening with auxiliary gear box bonded assembly support component, and is stressed with the housing of sharing auxiliary gear box, thereby reduces the stress on the housing.Though this mode can be avoided the transfer case housing early damage to a certain extent, still do not solve the spacing problem of auxiliary gear box swing; At first because support and the auxiliary gear box of this support component be rigidly connected, thereby under the effect of extraneous disturbance force, beat with auxiliary gear box and each to swing, the amplitude of motion is compared with the mode that support does not have to extend, and shows no sign of to reduce; Secondly, the support lengthening makes the width dimensions on its top increase to some extent, very easily interferes with auxiliary gear box parts on every side, thereby causes parts infantile failure, the generation noise of movement interference with it.
In view of this, demand urgently being optimized design, swing excessive in the course of the work and above-mentioned defective that exist to overcome auxiliary gear box at the connecting device of existing auxiliary gear box.
The utility model content
At above-mentioned defective, the technical matters that the utility model solves is, a kind of auxiliary gear box suspension gear is provided, with guarantee auxiliary gear box with respect to each of vehicle frame to motion, all can effectively be controlled in certain scope.On this basis, the utility model also provides a kind of construction machinery and equipment with aforementioned auxiliary gear box suspension gear.
The auxiliary gear box suspension gear that the utility model provides, be used for auxiliary gear box is connected with vehicle frame, this suspension gear comprises the bottom that is arranged on auxiliary gear box and the support component between the vehicle frame, also comprise tie component, a side end of described tie component by elastic component captive joint with described vehicle frame, the end side of described tie component captives joint with the top of auxiliary gear box.
Preferably, described tie component specifically is made of first bar, second bar and the 3rd bar, wherein, the two ends of described second bar are hinged with an end of first bar and the 3rd bar respectively, the other end of described first bar is used for being connected with described vehicle frame by elastic component, and the other end of described the 3rd bar is connected with described auxiliary gear box.
Preferably, captive joint with ball cap respectively in the two ends of described second bar, described ball cap has built-in spherical cavity volume, one end of described first bar and the 3rd bar has respectively and the suitable bulb of described spherical cavity volume, and the other end of described first bar and the 3rd bar stretches out through the spherical cavity volume of described ball cap respectively, so that form the hinged relationship between described second bar and first bar, the 3rd bar.
Preferably, be respectively arranged with the dust boot that cover is loaded on described first bar and the 3rd bar outside on the end face of each described ball cap.
Preferably, the two ends of described second bar are threaded with ball cap respectively, and the thread rotary orientation at two ends is opposite.
Preferably, described elastic component is specially rubber coating and captives joint with described vehicle frame by permanent seat, and described first bar is plugged in this rubber coating.
Preferably, described tie component is specially two, and is symmetrical set the both sides at described auxiliary gear box.
Preferably, described support component comprises the support that is used for captiveing joint with auxiliary gear box, be plugged in the rubber bush in the described support and be plugged in bearing pin in the described rubber bush, and the two ends of described bearing pin are used for respectively captiveing joint with described vehicle frame after described rubber bush stretches out.
Preferably, captive joint with described vehicle frame by fixture block respectively in the two ends of described bearing pin.
The construction machinery and equipment that the utility model provides comprises auxiliary gear box and foregoing auxiliary gear box suspension gear.
Compared with prior art, the auxiliary gear box suspension gear that the utility model provides has additional tie component, and captive joint with vehicle frame with the top of auxiliary gear box by an elastic component respectively in the two ends of this tie component, is used to limit the swing trend that auxiliary gear box produces based on inertia under various operating modes.Such as, when vehicle start, acceleration or glancing impact, auxiliary gear box produces bigger swing swing trend based on inertia; Perhaps when the vehicle high speed steering, auxiliary gear box produces bigger side direction and teeter trend; In other words when the exciting force of transmission shaft overlap with the natural frequency of auxiliary gear box support component or very near the time, auxiliary gear box can produce bigger laterally and side on oscillation trend.When auxiliary gear box produces above-mentioned swing trend, its top acts on support by tie component, owing to captive joint with vehicle frame with the top of auxiliary gear box by elastomeric element respectively in the two ends of tie component, but the distortion energy-absorbing effective attenuation of elastomeric element acts on the power on the vehicle frame, like this, make each of auxiliary gear box to swing in suitable scope, thereby evaded the problem that auxiliary gear box is swung the support early failure that causes transfer case housing and support component significantly effectively.
In preferred version of the present utility model, tie component is specifically by pivotally attached first bar, second bar and the 3rd bar constitute successively, the two ends of second bar are hinged with an end of first bar and the 3rd bar respectively, that is to say, relative position relation between the three can be based on the practical set size adjusting, thereby under the bigger situation of the Mismachining tolerance of each parts, still can accurately assemble, not influence its key property.
In another preferred version of the present utility model, the two ends of second bar are connected with ball cap respectively, and ball cap has built-in spherical cavity volume, one end of first bar and the 3rd bar has respectively and the suitable bulb of spherical cavity volume, so that form the hinged relationship between described second bar and first bar, the 3rd bar.Simultaneously, the two ends of second bar are threaded with ball cap respectively, and the thread rotary orientation at two ends is opposite.So design can be rotated the entire length that second shaft comes the adjusting yoke parts in fitting process, thereby exists under the situation of big Mismachining tolerance at bearing and other johning knot member, still can accurately assemble, and not influence its performance; Further improved operability of the present utility model.
The auxiliary gear box suspension gear that the utility model provides is applicable to the auxiliary gear box of any engineering machinery chassis.
Description of drawings
Fig. 1 is the assembling scheme drawing of existing auxiliary gear box suspension gear;
Fig. 2 is the assembly relation front view of the suspension gear of auxiliary gear box described in the specific embodiment;
Fig. 3 is the assembly relation birds-eye view of the suspension gear of auxiliary gear box described in the specific embodiment;
Fig. 4 is the integral structure scheme drawing of tie component described in the specific embodiment;
Fig. 5 is the integral structure scheme drawing of elastic component described in the specific embodiment;
Fig. 6 is the A-A section-drawing of Fig. 5;
Fig. 7 shows the assembly relation of installing described in the specific embodiment between attached seat and the auxiliary gear box;
Fig. 8 is that the B of Fig. 2 is to view;
Fig. 9 is the shaft side figure of support component described in the specific embodiment;
Figure 10 is the blast assembly drowing of support component described in the specific embodiment;
Figure 11 is the outside drawing of car hosit described in the specific embodiment.
Among Fig. 2-Figure 11:
Tie component 1, first bar 11, bulb 111, second bar 12, the 3rd bar 13, elastic component 14, outer sleeve 141, inner sleeve 142, ball cap 15, pedestal 151, block 152, spherical cavity volume 153, limit coil 16, dust boot 17, permanent seat 18, support component 2, support 21, rubber bush 22, bearing pin 23, fixture block 24, auxiliary gear box 3, the attached seat 31 of installation, vehicle frame 4.
The specific embodiment
Problem based on existing auxiliary gear box suspension gear existence, the utility model has carried out improving design, its core is to have additional tie component, captiveing joint with vehicle frame with the top of auxiliary gear box by an elastic component respectively in the two ends of this tie component, is used to limit the swing trend that auxiliary gear box produces based on inertia under various operating modes.
The nouns of locality such as related herein upper and lower a, left side and the right side are that control position with auxiliary gear box is the benchmark definition; The use that should be appreciated that the above-mentioned noun of locality does not limit the scope that the application asks for protection.
See also Fig. 2 and Fig. 3, wherein, Fig. 2 shows the assembly relation front view of the described auxiliary gear box suspension gear of present embodiment, i.e. the view that forms based on the side visual angle of car body, and Fig. 3 shows the assembly relation birds-eye view of described auxiliary gear box suspension gear.
As shown in the figure, this auxiliary gear box suspension gear is connected auxiliary gear box 3 with vehicle frame 4, thereby auxiliary gear box is fixedly installed on the vehicle frame.This suspension gear comprises tie component 1 and 2 two chief components of support component.Wherein, support component 2 is arranged between the bottom and vehicle frame 4 of auxiliary gear box 3, is used to support auxiliary gear box 3 and parts fixed thereon, and damped vibration is to the transmission of vehicle frame 4.Tie component 1 is arranged between the top and vehicle frame 4 of auxiliary gear box 3, is used to control the amplitude of auxiliary gear box swing, guarantees that auxiliary gear box each under any operating mode is to swinging all in range of control.One side end of tie component 1 is captiveed joint with vehicle frame 4 by elastic component 14, and its end side is captiveed joint with the top of auxiliary gear box 3.Preferably, as shown in Figure 3, tie component 1 is specially two, and is symmetrical set the both sides at auxiliary gear box 3.
In the working process, when auxiliary gear box 4 produces swing trend, its top acts on support 4 by tie component 1, owing to captive joint with vehicle frame 4 with the top of auxiliary gear box 3 by elastic component 14 respectively in the two ends of tie component 1, but the distortion energy-absorbing effective attenuation of elastic component 14 acts on the power on the vehicle frame 4, like this, make each of auxiliary gear box 3 in swing is controlled at suitable scope.
Because all there is Mismachining tolerance in each parts finished product, the accumulation of each component processing error must influence assembly precision in assembly relation; Thereby needs improve the assembling comformability of certain parts.Preferably, tie component 1 specifically is made of first bar 11, second bar 12 and the 3rd bar 13, sees also Fig. 4, and this figure is the integral structure scheme drawing of this tie component 1.Wherein, the two ends of second bar 12 are hinged with an end of first bar 11 and the 3rd bar 13 respectively, and the other end of first bar 11 is used for being connected with vehicle frame 4 by elastic component 14, and the other end of the 3rd bar 13 is connected with auxiliary gear box 3.Like this, the relative position relation between the three can be based on the practical set size adjusting, thereby still can accurately assemble under the bigger situation of the Mismachining tolerance of each parts, does not influence its key property.
Should be appreciated that the hinged relationship between first bar 11, second bar 12 and the 3rd bar 13 can adopt multiple version to realize.As shown in Figure 4, captive joint with ball cap 15 respectively in the two ends of second bar 12, and the two ends of second bar 12 are threaded with ball cap 15 respectively, and the thread rotary orientation at two ends is opposite.So design, can in fitting process, rotate the entire length that the shaft of second bar 12 comes the adjusting yoke parts, thereby exist at other johning knot member under the situation of big Mismachining tolerance, still can accurately assemble, further improved operability of the present utility model.
Form built-in spherical cavity volume 153 between the pedestal 151 of this ball cap 15 and the block 152, one end of first bar 11 has the bulb 111 suitable with spherical cavity volume 153, and the other end of first bar 11 stretches out through the spherical cavity volume 153 of ball cap 15, thereby has formed the hinged relationship between second bar 12 and first bar; In addition, shown in the figure, limit coil 16 is positioned on the inwall of pedestal 151 in block 152 outsides, deviates from from this sphere cavity volume 153 to limit first bar 11.Need to prove, only show annexation between first bar 11 and second bar 12 among the figure in the mode of analysing and observe, because the annexation between second bar 12 and the 3rd bar 13 is identical with it, thus do not illustrate in the mode of analysing and observe, so that view is succinct.
Impurity such as dust very easily enter between the spherical cavity volume of the bulb of first bar 11 and the 3rd bar 13 and ball cap 15, influence both hinged performances.As shown in the figure, be respectively arranged with the dust boot 17 that cover is loaded on first bar 11 and the 3rd bar 13 outsides on the end face of each ball cap 15.
See also Fig. 5 and Fig. 6, wherein, Fig. 5 is the integral structure scheme drawing of the described elastic component of present embodiment, and Fig. 6 is the A-A section-drawing of Fig. 5.
See also Fig. 3 and Fig. 7, wherein, Fig. 7 shows the assembly relation of installing between attached seat 31 and the auxiliary gear box 3.Shown in Fig. 3, the other end of the 3rd bar 13 directly is plugged in fixed symmetrical and is arranged in the attached seat 31 of installation on auxiliary gear box 3 tops; In fact, also can in attached seat 31 is installed, the elastic component (not shown) be set, with further raising serviceability.
See also Fig. 8, this figure is that the B of Fig. 2 is to view.Two support components 2 are symmetricly set in the both sides of auxiliary gear box 3; The concrete structure of support component 2 is please in the lump referring to Fig. 9 and Figure 10, and wherein, Fig. 9 is the shaft side figure of support component 2, and Figure 10 is the blast assembly drowing of support component 2.
As Fig. 9 and shown in Figure 10, support component 2 mainly comprises the support 21 that is used for captiveing joint with auxiliary gear box 3, be plugged in the rubber bush 22 in this support 21 and be plugged in bearing pin 23 in this rubber bush 22, during vehicle frame 4 assemblings, captive joint with vehicle frame 4 by fixture block 24 respectively after rubber bush 22 stretches out respectively in the two ends of this bearing pin 23.Certainly, described support component 2 also can adopt the existing structure form.
Be the principle of work that example is analyzed this programme with the emergency brake of vehicle operating mode below.
As shown in Figure 1, F1 is the support reaction of 4 pairs of auxiliary gear boxs 3 of support place vehicle frame, obviously as long as the weight of auxiliary gear box 3 equates just can reach the balance of static state with F1.As shown in Figure 2, have the directed force F 2 of 4 pairs of support components 2 of vehicle frame during emergency braking, because action of inertia, auxiliary gear box 3 keeps original state of kinematic motion, therefore produces bigger swing forward; F3, F4 are respectively the application force of two tie component to auxiliary gear box, and tie component 1 can limit the swing of glancing impact, and as shown in Figure 3, directed force F 3 can be decomposed into power F3x, the F3y in directions X and Y direction.The vertical distance of the application force that L1 shown in the figure, L2 are respectively tie component 1,2 pairs of auxiliary gear boxs 3 of support component X-axis in the auxiliary gear box 3 barycentric coordinate system Cg-XYZ.At the barycenter Cg place of auxiliary gear box 3, need only support component 2, tie component 1 obviously about plane X-Cg-Z symmetry, then have:
∑F
Y＝0、∑F
z＝0、∑M
X＝0、∑M
Z＝0。
In addition, ∑ F
X=F2+F3x+F4x, ∑ M
Y=F3xL1+F4xL1-F2L2,
∑ F in the formula
X, ∑ F
Y, ∑ F
Z, ∑ M
X, ∑ M
Y, ∑ M
ZFor auxiliary gear box barycentric coordinate system Cg-XYZ at the bonding force of X, Y, three directions of Z and around the resultant moment of three directions.According to aforementioned analysis as can be known, as long as satisfy ∑ M
Y=0, promptly during 2F3xL1=F2L2, auxiliary gear box can not produce swing.Obviously, as long as the rigidity of the elastic component of choose reasonable support component and tie component, can realize auxiliary gear box translation and do not produce swing in braking procedure by rationally.
See also Figure 11, this figure is the outside drawing of the described car hosit of present embodiment.This car hosit comprises auxiliary gear box and foregoing auxiliary gear box suspension gear (not shown).Need illustrate that other functional components and the prior art of the described hoisting crane of present embodiment are identical, but not inventive point of the present utility model place, so this paper repeats no more.
Special version be that the auxiliary gear box suspension gear that the utility model provides also is applicable to the auxiliary gear box assembling of other types engineering machinery chassis.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. auxiliary gear box suspension gear, be used for auxiliary gear box is connected with vehicle frame, this suspension gear comprises the bottom that is arranged on auxiliary gear box and the support component between the vehicle frame, it is characterized in that, also comprise tie component, a side end of described tie component by elastic component captive joint with described vehicle frame, the end side of described tie component captives joint with the top of auxiliary gear box.
2. auxiliary gear box suspension gear according to claim 1, it is characterized in that, described tie component specifically is made of first bar, second bar and the 3rd bar, wherein, the two ends of described second bar are hinged with an end of first bar and the 3rd bar respectively, the other end of described first bar is used for being connected with described vehicle frame by elastic component, and the other end of described the 3rd bar is connected with described auxiliary gear box.
3. auxiliary gear box suspension gear according to claim 2, it is characterized in that, the two ends of described second bar are connected with ball cap respectively, described ball cap has built-in spherical cavity volume, one end of described first bar and the 3rd bar has respectively and the suitable bulb of described spherical cavity volume, and the other end of described first bar and the 3rd bar stretches out through the spherical cavity volume of described ball cap respectively, so that form the hinged relationship between described second bar and first bar, the 3rd bar.
4. auxiliary gear box suspension gear according to claim 3 is characterized in that, is respectively arranged with the dust boot that cover is loaded on described first bar and the 3rd bar outside on the end face of each described ball cap.
5. auxiliary gear box suspension gear according to claim 4 is characterized in that, described elastic component is specially rubber coating and captives joint with described vehicle frame by permanent seat, and described first bar is plugged in this rubber coating.
6. according to each described auxiliary gear box suspension gear in the claim 2 to 5, it is characterized in that the two ends of described second bar are threaded with ball cap respectively, and the thread rotary orientation at two ends is opposite.
7. auxiliary gear box suspension gear according to claim 5 is characterized in that described tie component is specially two, and is symmetrical set the both sides at described auxiliary gear box.
8. auxiliary gear box suspension gear according to claim 7, it is characterized in that, described support component comprises the support that is used for captiveing joint with auxiliary gear box, be plugged in the rubber bush in the described support and be plugged in bearing pin in the described rubber bush, and the two ends of described bearing pin are used for respectively captiveing joint with described vehicle frame after described rubber bush stretches out.
9. auxiliary gear box suspension gear according to claim 8 is characterized in that, captives joint with described vehicle frame by fixture block respectively in the two ends of described bearing pin.
10. construction machinery and equipment comprises auxiliary gear box, it is characterized in that, also comprises as weighing each described auxiliary gear box suspension gear in 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202989569U CN201646388U (en) | 2009-12-24 | 2009-12-24 | Engineering machinery and transfer case suspension device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202989569U CN201646388U (en) | 2009-12-24 | 2009-12-24 | Engineering machinery and transfer case suspension device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201646388U true CN201646388U (en) | 2010-11-24 |
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ID=43111611
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202989569U Expired - Fee Related CN201646388U (en) | 2009-12-24 | 2009-12-24 | Engineering machinery and transfer case suspension device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201646388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497606A (en) * | 2020-04-27 | 2020-08-07 | 山东浩睿智能科技有限公司 | Single-engine transmission device of inter-axle transfer case of sanitation vehicle |
| CN112455224A (en) * | 2020-11-27 | 2021-03-09 | 三一汽车起重机械有限公司 | Transfer case, chassis assembly and crane |
-
2009
- 2009-12-24 CN CN2009202989569U patent/CN201646388U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497606A (en) * | 2020-04-27 | 2020-08-07 | 山东浩睿智能科技有限公司 | Single-engine transmission device of inter-axle transfer case of sanitation vehicle |
| CN112455224A (en) * | 2020-11-27 | 2021-03-09 | 三一汽车起重机械有限公司 | Transfer case, chassis assembly and crane |
| CN112455224B (en) * | 2020-11-27 | 2022-03-22 | 三一汽车起重机械有限公司 | Transfer case, chassis assembly and crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20171224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |