CN103307235A - Transmission belt tensioning mechanism for travel driving of electric tunnel inspection robot - Google Patents
Transmission belt tensioning mechanism for travel driving of electric tunnel inspection robot Download PDFInfo
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- CN103307235A CN103307235A CN2013102257241A CN201310225724A CN103307235A CN 103307235 A CN103307235 A CN 103307235A CN 2013102257241 A CN2013102257241 A CN 2013102257241A CN 201310225724 A CN201310225724 A CN 201310225724A CN 103307235 A CN103307235 A CN 103307235A
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Abstract
The invention discloses a transmission belt tensioning mechanism for travel driving of an electric tunnel inspection robot. The transmission belt tensioning mechanism comprises a mounting base, a tensioning wheel bracket, a tensioning wheel set, a ratchet and pawl set and a drive mechanism, wherein the mounting base is connected with a frame supporting beam; the tensioning wheel bracket is connected with the mounting base; the tensioning wheel set is connected with the tensioning wheel bracket; the ratchet and pawl set is connected with the mounting base; the drive mechanism is connected with the power mechanism; the ratchet and pawl set comprises a ratchet, a ratchet shaft, a ratchet flat key and a pawl shaft; the pawl shaft is connected with the mounting base; the ratchet is connected with the ratchet shaft; the pawl shaft is connected with the mounting base; a pawl and a pawl stop ring are arranged in the middle of the pawl shaft; a torsion spring is arranged on the outer side of the pawl stop ring; the pawl shaft is fixed with a tight nut of the frame supporting beam, passing through the pawl shaft; one end of the torsion spring is connected with a positioning column on the side wall of the frame supporting beam; and the other end of the torsion spring is connected with a boss on the pawl. The transmission belt tensioning mechanism is simple in structure, stable in performance, high in reliability and convenient for adjusting a transmission belt tensioning force.
Description
Technical field
The present invention relates to the belt transmission that the electric power tunnel scanning test robot is walked in orbit and driven, relate in particular to the driving belt Fastening mechanism that a kind of electric power tunnel scanning test robot walking drives, with solving belt lax problem occurs in transmission.
Background technique
Along with the fast development in city, the length of domestic electric power tunnel is annual to increase thousands of kilometers.There is the dipping and heaving road surface in the urban electric power tunnel, also to build according to the tunnel trend in process of deployment as electric power tunnel scanning test robot track, when the track big rise and fall, or because difficulty of construction is large, can cause when often laying track to be connected up and down between the track to have unsmooth phenomenon.The front and back of electric power tunnel scanning test robot are the two secondary wheels that support, and wherein the front support wheels directly are connected with line shaft, and simultaneously also as the main drive wheel group, the rear support wheels are as driven wheels.Because there are wheelbase in the front and back wheels, when equipment walks to the stationary point in ramp of dipping and heaving in orbit, might form the main drive wheel group unsettled and can not drive the phenomenon of car body.Illustrate: the electric power tunnel scanning test robot with main drive wheel at front pulling car body, advance with climbing state in orbit, at this moment body gravity is exerted pressure larger to follower, when walking to the stationary point that ramp and level line join, front driving wheel has crossed the stationary point, but this moment, body gravity was crossed the stationary point, gravity is still exerted pressure in follower one side, main drive wheel just might occur this moment be lifted, can not contact with track, cause to drive and lost efficacy.If car body is because inertia, center of gravity is broken through the stationary point, and the main drive wheel track that can fall back again makes to drive recovery.If but this moment because gait of march is slow, and the inertia deficiency that car body makes progress is so that car body is broken through the stationary point, main drive wheel will be always caused parking by unsettled so.
In view of the above problems, the electric power tunnel robot is necessary will be between main drive wheel and the follower to change singly drive as two driving by driving belt into, and when main drive wheel was unsettled, follower also can be used as secondary drive wheel equipment and advances.Because belt is flexible material, can there be deformation to a certain degree in the working state and relax, expanding force is reduced, according to traditional method, need installation tensioner wheels.But because the space is very limited between these place's driving wheels of robot interior, support beam is sheet metal part, and rigidity is relatively poor, so be difficult to install applicable Fastening mechanism.
Summary of the invention
The present invention provides a kind of driving belt Fastening mechanism of electric power tunnel scanning test robot walking driving in order to solve the prior art above shortcomings; Simple in structure, stable performance, reliability are high, can take full advantage of limited space mounting, realize the ratchet mechanism of driving belt tensioner and conveniently adjusted expanding force.
The objective of the invention is to adopt following technical proposals to realize:
A kind of driving belt Fastening mechanism for electric power tunnel scanning test robot walking driving, mainly comprise mounting base, the expansion tightening wheel support, the tensioner wheels, the click group, driving mechanism, mounting base is connected with the vehicle frame support beam, the expansion tightening wheel support is connected with mounting base, the tensioner wheels are connected with the expansion tightening wheel support, the click group is connected with mounting base, driving mechanism is connected with power mechanism, described click group comprises ratchet, ratchet shaft, the ratchet flat key, pawl axis, ratchet shaft is connected with mounting base, ratchet is connected with ratchet shaft, pawl axis is connected with mounting base, be provided with ratchet in the middle of the pawl axis, the ratchet back-up ring, the ratchet back-up ring outside is provided with torsion spring, the pawl axis tightening nut that passes through of pawl axis and vehicle frame support beam is fixed, and torsion spring one end is connected with locating column on the vehicle frame support beam sidewall, the other end is connected with boss on the ratchet.
Ratchet shaft and expansion tightening wheel support are fixed by the ratchet shaft stop screw.Ratchet, ratchet shaft, tensioner wheels rotate around the axle center jointly as an integral body, when stirring the rotation of tensioner wheels, drive simultaneously ratchet and rotate synchronously.
The tensioner wheels comprise the tensioner wheel shaft, the tensioner wheel shaft is connected with the expansion tightening wheel support, the tensioner wheel shaft is provided with expansion tightening wheel, expansion tightening wheel is fixed on the tensioner wheel shaft by the expansion tightening wheel tightening nut, the expansion tightening wheel support is connected with ratchet shaft by being connected and fixed the hole, and the expansion tightening wheel support is fixed by expansion tightening wheel support stop screw.
Expansion tightening wheel is provided with the expansion tightening wheel bearing.Two expansion tightening wheel bearings all are housed in the expansion tightening wheel guarantee stability of rotation.
Mounting base top, bottom are connected with the vehicle frame support beam by two mounting base fastening screw trip bolts respectively.
Ratchet shaft is fixed by the ratchet shaft stop screw at the counterbore place of mounting base.
Driving mechanism comprises driving wheels and driven wheels, drive wheels and comprise driving pulley, driven wheels comprise driven pulley, driving pulley, driven pulley are connected with the wheel shaft that drives wheels, driven wheels respectively, the wheel shaft that drives wheels is connected with power mechanism, links to each other between driving pulley and the driven pulley.
Beneficial effect of the present invention:
1. simple in structure, stable performance, can take full advantage of limited space mounting, realize the ratchet mechanism of driving belt tensioner and conveniently adjusted expanding force.
2. be provided with the expansion tightening wheel bearing in the expansion tightening wheel, rotate more steadily, be specially adapted to carry out the tunnel in the complicated dark tunnel environment and patrol and examine electric power facility, substitute manual inspection fully.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is fixedly schematic diagram of click;
Fig. 3 is the Fastening mechanism floor map;
Fig. 4 is expansion tightening wheel mechanism external structure schematic diagram;
Fig. 5 is the tensioner view.
Wherein: 1, vehicle frame support beam; 2, mounting base; 3, ratchet; 4, ratchet shaft; 5, ratchet flat key; 6, pawl axis; 7, ratchet; 8, ratchet back-up ring; 9, torsion spring; 10, drive wheels; 11, driven wheels; 12, driving pulley; 13, driven pulley; 14, driving belt; 15, expansion tightening wheel support; 16, expansion tightening wheel; 17, expansion tightening wheel bearing; 18, belt wheel flat key; 19, expansion tightening wheel tightening nut; 20, expansion tightening wheel support stop screw; 21, mounting base fastening screw trip bolt; 22, ratchet shaft stop screw; 23, pawl axis tightening nut; 24, tensioner wheel shaft, 25, tensioner wheels and driving belt position A; 26, tensioner wheels and driving belt position B.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
A kind of driving belt Fastening mechanism for electric power tunnel scanning test robot walking driving, in conjunction with Fig. 1 to Fig. 5, mainly comprise mounting base 2, expansion tightening wheel support 15, the tensioner wheels, the click group, driving mechanism, mounting base 2 is connected with vehicle frame support beam 1, expansion tightening wheel support 15 is connected with mounting base 2, the tensioner wheels are connected with expansion tightening wheel support 15, the click group is connected with mounting base 2, driving mechanism is connected with power mechanism, described click group comprises ratchet 3, ratchet shaft 4, ratchet flat key 5, pawl axis 6, ratchet shaft 4 is connected with mounting base 2, ratchet 3 is connected with ratchet shaft 4 by ratchet flat key 5, ratchet shaft 4 is provided with step surface, step surface cooperates with vehicle frame support beam 1 end face, pawl axis 6 is connected with mounting base 2, be provided with ratchet 7 in the middle of the pawl axis 6, ratchet back-up ring 8, ratchet back-up ring 8 outsides are provided with torsion spring 9, pawl axis 6 is fixing by pawl axis tightening nut 23 with vehicle frame support beam 1, and torsion spring 9 one ends are connected with locating column on vehicle frame support beam 1 sidewall, the other end is connected with boss on the ratchet 7.Torsion spring 9 keeps elastic force, and ratchet 7 is owing to the elastic force of torsion spring 9 clockwise rotates and then withstand ratchet 3, is used for the rotating counterclockwise of check ratchet 3.When ratchet 3 clockwise rotated, 7 on ratchet can check ratchet 3.Ratchet shaft 6 is fixing by ratchet shaft stop screw 22 with expansion tightening wheel support 15; Ratchet 3, ratchet shaft 4, tensioner wheels rotate around the axle center jointly as an integral body, when stirring the rotation of tensioner wheels, drive simultaneously ratchet 3 and rotate synchronously.Ratchet shaft 6 is fixing by the ratchet shaft stop screw 22 at the counterbore place of mounting base 2.Mounting base 2 tops, bottom are connected with vehicle frame support beam 1 by two mounting base fastening screw trip bolts 21 respectively.
The tensioner wheels comprise tensioner wheel shaft 24, expansion tightening wheel tightening nut 19, expansion tightening wheel support stop screw 20, wherein tensioner wheel shaft 24 is connected with expansion tightening wheel support 15, tensioner wheel shaft 24 is provided with expansion tightening wheel 16, expansion tightening wheel 16 is fixed on the tensioner wheel shaft 24 by expansion tightening wheel tightening nut 19, expansion tightening wheel support 15 is connected with ratchet shaft 6 by being connected and fixed the hole, and expansion tightening wheel support 15 is fixing spacing by expansion tightening wheel support stop screw 20; Expansion tightening wheel 16 is provided with expansion tightening wheel bearing 17.Expansion tightening wheel 16 interior two the expansion tightening wheel bearings 17 that all are equipped with guarantee stability of rotation.
Driving mechanism comprises driving wheels 10 and driven wheels 11, drive wheels 10 and comprise driving pulley 12, driven wheels 11 comprise driven pulley 13, driving pulley 12, driven pulley 13 respectively by belt wheel flat key 18 and driving wheels 10 be connected the wheel shaft of wheels 11 and be connected, the wheel shaft that drives wheels 10 is connected with power mechanism, links to each other by synchronous belt 14 between driving pulley 12 and the driven pulley 13.When driving 12 work of wheels 10 drive driving pulleys, if do not need to adjust expanding force, then tensioner wheels and driving belt can rest on tensioner wheels and the driving belt position A25, if driving belt 14 relaxes when needing tensioner, the tensioner wheels can be clockwise to the position of driving belt 14 expanding force appropriateness, because driving belt 14 is from pressing to up and down middle elastic force, make the tensioner wheels produce the moment of torsion that rotates counterclockwise, this moment of torsion is delivered to ratchet 3 simultaneously, rotating counterclockwise just by ratchet 7 checks of ratchet 3, thereby make the tensioner wheels be limited in the position of expanding force appropriateness, be that tensioner wheels and B26 place, driving belt position are (such as Fig. 5, solid line is expressed a state position, and dotted line is expressed another state position, and the two can demonstrate the variation from non-tensioning state to tensioning state together.)。Adjust the dynamics of expanding force when needs, or loading and unloading can enter from the upper opening of vehicle frame support beam 1 hand propulsion ratchet 7 by the boss that torsion spring 9 catches on during driving belt 14, ratchet 7 is rotated counterclockwise to ratchet 7 heads leave ratchet 3, this moment, ratchet 3 was just free to rotate, thereby can become flexible driving belt.
During use, at first mounting base 2 is fastened on the side of vehicle frame support beam 1 by each two mounting base fastening screw trip bolt 21 up and down, ratchet shaft 4 penetrates, inserts ratchet flat key 5, passes ratchet 3 from the opposite side of vehicle frame support beam 1, until pass mounting base 2 bottom surface of counterbore behind, fixing with ratchet shaft stop screw 22 at the counterbore place of mounting base 2.This moment ratchet shaft 4 in the laterally complete location of vehicle frame support beam 1, ratchet shaft 4 can freely rotate on vehicle frame support beam 1 by the step surface of self.
Although above-mentioned by reference to the accompanying drawings to the invention embodiment be described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technological scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. one kind is used for the driving belt Fastening mechanism that the walking of electric power tunnel scanning test robot drives, it is characterized in that, comprise mounting base, the expansion tightening wheel support, the tensioner wheels, the click group, driving mechanism, mounting base is connected with the vehicle frame support beam, the expansion tightening wheel support is connected with mounting base, the tensioner wheels are connected with the expansion tightening wheel support, the click group is connected with mounting base, driving mechanism is connected with power mechanism, described click group comprises ratchet, ratchet shaft, the ratchet flat key, pawl axis, ratchet shaft is connected with mounting base, ratchet is connected with ratchet shaft, pawl axis is connected with mounting base, be provided with ratchet in the middle of the pawl axis, the ratchet back-up ring, the ratchet back-up ring outside is provided with torsion spring, and the pawl axis tightening nut that passes through of pawl axis and vehicle frame support beam is fixed, and torsion spring one end is connected with locating column on the vehicle frame support beam sidewall, the other end is connected with boss on the ratchet.
2. the driving belt Fastening mechanism that drives for electric power tunnel scanning test robot walking as claimed in claim 1, it is characterized in that, described tensioner wheels comprise the tensioner wheel shaft, the tensioner wheel shaft is connected with the expansion tightening wheel support, the tensioner wheel shaft is provided with expansion tightening wheel, expansion tightening wheel is fixed on the tensioner wheel shaft by the expansion tightening wheel tightening nut, and the expansion tightening wheel support is connected with ratchet shaft by being connected and fixed the hole, and the expansion tightening wheel support is fixed by expansion tightening wheel support stop screw.
3. the driving belt Fastening mechanism for electric power tunnel scanning test robot walking driving as claimed in claim 2 is characterized in that, described expansion tightening wheel is provided with the expansion tightening wheel bearing.
4. the driving belt Fastening mechanism that drives for electric power tunnel scanning test robot walking as claimed in claim 1, it is characterized in that, described driving mechanism comprises driving wheels and driven wheels, drive wheels and comprise driving pulley, driven wheels comprise driven pulley, driving pulley, driven pulley are connected with the wheel shaft that drives wheels, driven wheels respectively, and the wheel shaft of driving wheels is connected with power mechanism, link to each other between driving pulley and the driven pulley.
5. the driving belt Fastening mechanism for electric power tunnel scanning test robot walking driving as claimed in claim 1 is characterized in that, described ratchet shaft and expansion tightening wheel support are fixed by the ratchet shaft stop screw.
6. the driving belt Fastening mechanism for electric power tunnel scanning test robot walking driving as claimed in claim 1 is characterized in that, described mounting base top, bottom are connected with the vehicle frame support beam by two mounting base fastening screw trip bolts respectively.
7. the driving belt Fastening mechanism for electric power tunnel scanning test robot walking driving as claimed in claim 1 is characterized in that, described ratchet shaft is fixed by the ratchet shaft stop screw at the counterbore place of mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225724.1A CN103307235B (en) | 2013-06-07 | 2013-06-07 | The driving belt Fastening mechanism of electric tunnel inspection robot hoofing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225724.1A CN103307235B (en) | 2013-06-07 | 2013-06-07 | The driving belt Fastening mechanism of electric tunnel inspection robot hoofing part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103307235A true CN103307235A (en) | 2013-09-18 |
| CN103307235B CN103307235B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310225724.1A Active CN103307235B (en) | 2013-06-07 | 2013-06-07 | The driving belt Fastening mechanism of electric tunnel inspection robot hoofing part |
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| CN (1) | CN103307235B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843604A (en) * | 2015-04-08 | 2015-08-19 | 山东建筑大学 | Crane winding device with steel wire rope straining mechanism |
| CN110422569A (en) * | 2019-09-04 | 2019-11-08 | 沧州市永高农牧机械科技有限公司 | Horizontal main machine is conveyed using the material of damping rotary gear teeth driving wheel |
| CN114352693A (en) * | 2022-01-06 | 2022-04-15 | 杭州申昊科技股份有限公司 | Driving tensioning mechanism of track inspection robot |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998008005A1 (en) * | 1996-08-16 | 1998-02-26 | Alain Glasson | Tension jack with automatic taking up of slack for chain or belt with reversible motion |
| CN2596106Y (en) * | 2003-01-12 | 2003-12-31 | 秦宝文 | Triangle belt regulating device for agricultural motor vehicle |
| US20040152548A1 (en) * | 2003-01-31 | 2004-08-05 | Markley George L. | Ratcheting pivot arm tensioner with blacklash |
| CN203309040U (en) * | 2013-06-07 | 2013-11-27 | 山东康威通信技术股份有限公司 | Driving belt tensioning mechanism for driving inspection robot walking in electric power tunnel |
-
2013
- 2013-06-07 CN CN201310225724.1A patent/CN103307235B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998008005A1 (en) * | 1996-08-16 | 1998-02-26 | Alain Glasson | Tension jack with automatic taking up of slack for chain or belt with reversible motion |
| CN2596106Y (en) * | 2003-01-12 | 2003-12-31 | 秦宝文 | Triangle belt regulating device for agricultural motor vehicle |
| US20040152548A1 (en) * | 2003-01-31 | 2004-08-05 | Markley George L. | Ratcheting pivot arm tensioner with blacklash |
| CN203309040U (en) * | 2013-06-07 | 2013-11-27 | 山东康威通信技术股份有限公司 | Driving belt tensioning mechanism for driving inspection robot walking in electric power tunnel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843604A (en) * | 2015-04-08 | 2015-08-19 | 山东建筑大学 | Crane winding device with steel wire rope straining mechanism |
| CN110422569A (en) * | 2019-09-04 | 2019-11-08 | 沧州市永高农牧机械科技有限公司 | Horizontal main machine is conveyed using the material of damping rotary gear teeth driving wheel |
| CN114352693A (en) * | 2022-01-06 | 2022-04-15 | 杭州申昊科技股份有限公司 | Driving tensioning mechanism of track inspection robot |
| CN114352693B (en) * | 2022-01-06 | 2023-10-24 | 杭州申昊科技股份有限公司 | Driving tensioning mechanism of track inspection robot |
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| Publication number | Publication date |
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| CN103307235B (en) | 2015-10-21 |
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Address after: 250101 A203, block F, entrepreneurship square, Qilu Software Park, No.1 Shunhua Road, high tech Development Zone, Jinan City, Shandong Province Patentee after: Conway Communication Technology Co., Ltd Address before: 250101 Qilu Software Park, No. 1 Shunhua Road, Jinan High-tech Development Zone, Shandong Province, A 203 Patentee before: SHANDONG KANGWEI COMMUNICATION TECHNOLOGY Co.,Ltd. |