CN202896295U - Bilateral vibration-attenuation protection device of mining heavy-duty truck transmission shaft - Google Patents
Bilateral vibration-attenuation protection device of mining heavy-duty truck transmission shaft Download PDFInfo
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- CN202896295U CN202896295U CN 201220645606 CN201220645606U CN202896295U CN 202896295 U CN202896295 U CN 202896295U CN 201220645606 CN201220645606 CN 201220645606 CN 201220645606 U CN201220645606 U CN 201220645606U CN 202896295 U CN202896295 U CN 202896295U
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- protective
- transmission shaft
- protection
- protective ring
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Abstract
The utility model provides a bilateral vibration-attenuation protection device of a mining heavy-duty truck transmission shaft. The device is installed on two sides of the truck transmission shaft for the formation of two protections, and mainly consists of a detachable protection ring, a protection frame and a base, wherein the detachable protection ring consists of two semi-circle rings which are fixed in an end-to-end joint way; according to the positions of the semi-circle rings, the detachable protection ring is divided into a lower ring of the protection ring and an upper ring of the protection ring; one end of the lower ring of the protection ring is fixedly arranged on the protection frame and the base; the other end of the lower ring of the protection ring is connected and fixed with the upper ring of the protection ring through a connecting piece; a protection space formed by the upper ring of the protection ring and the lower ring of the protection ring surrounds the truck transmission shaft; a clearance is reserved between the upper ring of the protection ring and the lower ring of the protection ring form and the truck transmission shaft respectively; and the protection frame and the base are installed on installation foundations. With the adoption of the device, the swing amplitude of the transmission shaft can be effectively prevented; in such a way, the damages to neighboring pipe lines and a mechanical assembly are prevented, and the degree of self-damages to the transmission shaft caused by collision is lowered; and therefore, the maintenance time is reduced and the accident loss is decreased.
Description
Technical field
The utility model relates to a kind of construction machinery and equipment and heavy-duty vehicle equipment transmission shaft come off protective device, specifically a kind of mining heavy-duty transmission shaft bilateral vibration damping protective device.
Background technology
In the use of heavy motor vehicle and engineering mechanical device, propeller-shaft is responsible for the moment of torsion that driving engine produces is passed to change-speed box, main reduction gear to drive rotation of wheel, need the impact of frequent carrying moment torsional variation and the load of long period maximum drive torque, its rigidity and toughness reguirements are very high.In the actual production transport, fracture because the transmission shaft bolt of rear end plate is loosening, perhaps transmission shaft is subject to the reasons such as accidental shock or self metal fatigue and causes center cross to damage or axle body fractures, because vehicular transmission shaft often is in the High Rotation Speed state, break away from former rotation axis formation under transmission shaft prime assembly propulsive effort or self the rotatory inertia effect and get rid of pendulum, with near the assembly of installation, pipeline, control cock etc. breaks, cause the fault extension, cause serious loss to vehicle.And repair difficulty, cause long-time parking, maintenance cost increases, and affects finishing of vehicular transport and production task.
Existing domestic lorry structure aspect there is no this type of protective device, and the transmission shaft guard section vehicle user that fractures adopts self-control single-stage (axle body midway location) rigid protection.In when, transmission shaft occuring fractureing fault when, protective frame self the yielding damage that is hit, recycling rate of waterused is relatively poor, and protection effect is poor.Especially grow, get rid of the problems such as the pendulum impulsive force is large for heavy type mining vehicular transmission shaft axle body, common Simple protecting can not satisfy the protection needs of vehicle.
Summary of the invention
Goal of the invention of the present utility model is the many defectives for prior art, provide a kind of designing and producing according to mine car version to be specifically designed to the mining heavy-duty transmission shaft bilateral vibration damping protective device that transmission shaft fractures and protects, in order to prevent that mine vehicle and even common transportation lorry from fractureing because of transmission shaft one end or loose or dislocation gets rid of the problem that pendulum breaks near assembly, reduce causality loss.
Realize above-mentioned purpose by the following technical solutions:
A kind ofMining heavy-duty transmission shaft bilateral vibration damping protective device, described device is installed in the two ends of propeller-shaft, the protection of formation twice, this device is mainly by the detouchable protective ring, protective ring bearing support and mounting base form, described detouchable protective ring is comprised of two fixing semicircular ring of docking, position by semicircular ring is divided into ring and protective ring pressed on ring under the protective ring, an end that encircles under the protective ring is fixed on protective frame and the pedestal, the other end and protective ring pressed on ring are connected and fixed with attaching parts, the protective zone that ring forms under protective ring pressed on ring and the protective ring surrounds propeller-shaft, and form preset clearance between the propeller-shaft, protective frame and pedestal are installed in to be installed on the basis.
The both sides of the upper and lower ring of described protective ring are respectively with the wing, and the wing of the upper and lower ring of protective ring connects, and add the buffering blob of viscose between the both wings, are connected and fixed with the protective ring bolt of rear end plate respectively.
An end that encircles under the described protective ring and protective frame and pedestal are connected and fixed, and the other end and protective ring pressed on ring are connected and fixed with the protective ring bolt.
Encircle under described protective ring pressed on ring and the protective ring and connect the preset clearance of formation 10mm between the upper and lower ring of protective ring and the automobile shafts.
Add the pedestal vibration-reducing rubber block between described protective frame and pedestal and the installation basis, be connected and fixed with anchor bolt.
Described installation basis is automotive frame or flywheel shell of engine or engine body.
Adopt technique scheme, compared with prior art, the utility model is installed in the both sides of propeller-shaft, when pendulum is got rid of in the transmission shaft damage, protective device can effectively stop the transmission shaft amplitude of fluctuation, pipeline and mechanical assembly near preventing from injuring, and reduce self damage rate that transmission shaft causes because of collision, reduce maintenance time, reduce causality loss.According to getting rid of the pendular motion characteristics after mine vehicle structure and the transmission shaft damage, the twin-stage protection is implemented at long transmission shaft two ends, protective device has increased weakening, pooling feature, has improved protective benefits, has effectively reduced protective ring because of the damageable possibility of rigid shock.
Description of drawings
Fig. 1, Fig. 2, Fig. 3 are the structural representations of the horizontal forward mounting means of the utility model, and wherein Fig. 1 is front view, and Fig. 2 is the birds-eye view of Fig. 1, and Fig. 3 is the side direction left view.
Fig. 4 is the structural representation of the vertical at right angle setting mode of the utility model.
Among the figure, protective ring pressed on ring 1, transmission shaft 2, protective ring tie bolt 3,15, protective ring buffering blob of viscose 4,14 encircles 5 under the protective ring, protective frame and pedestal 6,12, basic bolt of rear end plate 7,13, pedestal vibration-reducing rubber block 8,11 is installed basis 9,10, transmission shaft cross axle 16.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the utility model is described further.
The present embodiment is a kind of mining heavy-duty transmission shaft bilateral vibration damping protective device, and this device is comprised of detouchable protective ring, protective frame and pedestal 6,12 etc., is installed in the both sides of propeller-shaft 2.Its structure is seen Fig. 1, protective ring adopts wide 50mm, thickness is the steel plate of 8-10mm, being bent into diameter is the protective ring (can determine the protective ring diameter with the transmission shaft diameter) of propeller-shaft 3 axle body diameter 20mm, protective ring can dock fixing semicircular ring by two and form, two semicircular ring are divided under protective ring pressed on ring 1 and the protective ring by its position encircles 5, on the protective ring, lower ring 1,5 both sides are respectively with the wing, on the protective ring, the wing docking of lower ring, add successively respectively protective ring buffering blob of viscose 4 between the both wings, 14, use successively protective ring tie bolt 3,15 are connected and fixed, consist of the detouchable protective ring, the protective zones that ring 5 forms under protective ring pressed on ring 1 and the protective ring surround propeller-shaft 2, and form preset clearance between the propeller-shaft 2.Protective ring supports with two supports and pedestal 6,12.Wherein ring 5 is weldingly fixed on protective frame and the pedestal 6,12 under the protective ring, and protective frame and pedestal 6,12 fixedly mount on the basis 9,10 respectively successively.For damping, protective frame and pedestal 6,12 and junction that basis 9,10 is installed install respectively pedestal buffering blob of viscose 8,11 additional, be connected and fixed with two basic bolt of rear end plates 7,13 respectively.
Protective ring buffering blob of viscose 4,14, pedestal vibration-reducing rubber block 8,11 effect are: when the transmission shaft amplitude of fluctuation that fractures and impact when too strong, allow to produce the certain displacement run-out tolerance.It act as weakening, buffering subduing impulsive force to the destruction of metal protection hoop truss, and alleviate the transmission axle body get rid of amplitude of oscillation degree.
According to different installation site and the installation forms of vehicle self structure characteristics design, the utility model provides two kinds of installation forms: the first is to install as the horizontal forward that basis 9,10 is installed by automotive frame.The second is take flywheel shell of engine or engine block as basis 9,10 is installed, and is installed in the vertical at right angle setting on flywheel shell of engine or the engine block.In multiple mounting modes, protective ring can according to the maintenance of equipment needs select to connect up and down or about connect and the various ways such as oblique installation so that the dismounting of propeller-shaft 2 in the maintenance process.
Fig. 1, Fig. 2 is that the forward level that the utility model is installed on the automotive frame is installed the enforcement legend, see Fig. 1, Fig. 2, ring 5 docks up and down propeller-shaft 2 is surrounded under protective ring pressed on ring 1 and the protective ring, the preset clearance of formation 10mm between ring 5 and the propeller-shaft 2 under protective ring pressed on ring 1, the protective ring.The effect of this preset clearance is to allow that transmission shaft 2 instantaneous shakes or kinetic balance misalignment cause by a small margin swing.An end of ring 5 and protective frame and pedestal 6,12 are welded and fixed under the protective ring, protective frame and pedestal 6,12 are connected and fixed by basic bolt of rear end plate and flywheel shell of engine (or engine block), and the other end and the protective ring pressed on ring 1 usefulness protective ring tie bolt 3,14 of ring 5 are connected and fixed under the protective ring.
Fig. 3, Fig. 4 are for vertical at right angle setting embodiment on basis 9,10 is installed by automobile engine flywheel shell or engine body, encircle an end of 5 under the protective ring and reach protective frame pedestal 6,12 and be welded and fixed, protective frame and pedestal 6,12 by basic bolt of rear end plate 7,13 and automotive frame be connected and fixed, ring 5 the other end and protective ring pressed on ring 1 usefulness protective ring tie bolt 3,14 is connected and fixed under the protective ring.
The utility model is installed in the both sides beyond propeller-shaft 2 radius of rotation, and namely engine power mouth one side, driving arrangement coupling end one side consist of two groups of identical protective devices, forms the twice protection, the protection when coming off to satisfy any end of transmission shaft.
Basis bolt of rear end plate 7,13 corresponding settings, structure is identical, and function is identical.
Principle of work of the present utility model:
According to the sport dynamics principle as can be known, when getting rid of pendulum than elongated workpieces, protection effect is best the most nearby apart from the fixed end distal-most end that is apart from swinging end.Because mine truck transmission shaft 2 is compared with common car, the pendulum impulsive force is got rid of after propeller-shaft 2 damages very large all greater than general wagon in its length aspect and weight aspect.For getting rid of the pendulum protection after adapting to mine truck and fractureing than long pass moving axis body (such as rear propeller shaft) and transmission shaft 2 any sides, twice protective ring before and after this protective stent arranges, be that the front end universal-joint propeller-shaft center cross of transmission shaft 2 fractures or flange damages when coming off, play protective action by the first protective ring, and damage when coming off when rear end propeller-shaft center cross 16 or butt flange, effectively protected by the second protective ring, to guarantee best protection effect.
If vehicle transmission shaft flange or universal-joint damage when fractureing fault, an end that fractures will get rid of pendular motion.And protective ring can limit the transmission axle body amplitude of fluctuation after fractureing, and makes it to remain in the minimum amplitude range, and is unlikely near other parts assembly impacts that bump, thereby avoids fault to magnify.
Claims (6)
1.
A kind ofMining heavy-duty transmission shaft bilateral vibration damping protective device, it is characterized in that, described device is installed in the both sides of propeller-shaft, the protection of formation twice, this device is mainly by the detouchable protective ring, protective frame and pedestal form, described detouchable protective ring is comprised of two fixing semicircular ring of docking, position by semicircular ring is divided into ring and protective ring pressed on ring under the protective ring, an end that encircles under the protective ring is fixed on protective frame and the pedestal, the other end and protective ring pressed on ring are connected and fixed with attaching parts, the protective zone that ring forms under protective ring pressed on ring and the protective ring surrounds propeller-shaft, and form preset clearance between the propeller-shaft, protective frame and pedestal are installed in to be installed on the basis.
2. mining heavy-duty transmission shaft bilateral vibration damping protective device according to claim 1, it is characterized in that, the both sides of the upper and lower ring of described protective ring are respectively with the wing, the wing of the upper and lower ring of protective ring connects, add the buffering blob of viscose between the both wings, be connected and fixed with the protective ring bolt of rear end plate respectively.
3. mining heavy-duty transmission shaft bilateral vibration damping protective device according to claim 1 is characterized in that, an end that encircles under the described protective ring and protective frame and pedestal are connected and fixed, and the other end and protective ring pressed on ring are connected and fixed with the protective ring bolt.
4. described mining heavy-duty transmission shaft bilateral vibration damping protective device is characterized in that according to claim 1-3, encircles under described protective ring pressed on ring and the protective ring to connect, and forms the preset clearance of 10mm between the upper and lower ring of protective ring and the automobile shafts.
5. mining heavy-duty transmission shaft bilateral vibration damping protective device according to claim 1 is characterized in that, adds the pedestal vibration-reducing rubber block between described protective frame and pedestal and the installation basis, is connected and fixed with anchor bolt.
6. mining heavy-duty transmission shaft bilateral vibration damping protective device according to claim 1 or 5 is characterized in that, described installation basis is automotive frame or flywheel shell of engine or engine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645606 CN202896295U (en) | 2012-11-30 | 2012-11-30 | Bilateral vibration-attenuation protection device of mining heavy-duty truck transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645606 CN202896295U (en) | 2012-11-30 | 2012-11-30 | Bilateral vibration-attenuation protection device of mining heavy-duty truck transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202896295U true CN202896295U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220645606 Expired - Lifetime CN202896295U (en) | 2012-11-30 | 2012-11-30 | Bilateral vibration-attenuation protection device of mining heavy-duty truck transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202896295U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590426A (en) * | 2014-07-09 | 2015-05-06 | 北京福田戴姆勒汽车有限公司 | Fixing clamp for automobile transmission shaft |
| CN110588337A (en) * | 2019-08-13 | 2019-12-20 | 上海宝钢工业技术服务有限公司 | Early warning protection device for vehicle transmission shaft fracture |
-
2012
- 2012-11-30 CN CN 201220645606 patent/CN202896295U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590426A (en) * | 2014-07-09 | 2015-05-06 | 北京福田戴姆勒汽车有限公司 | Fixing clamp for automobile transmission shaft |
| CN110588337A (en) * | 2019-08-13 | 2019-12-20 | 上海宝钢工业技术服务有限公司 | Early warning protection device for vehicle transmission shaft fracture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |