阅读说明：本技术 一种万向齿轮齿条传动机构及观光车 (Universal gear rack transmission mechanism and sightseeing vehicle ) 是由 柏晓臣 于 2019-09-11 设计创作，主要内容包括：本发明提供了一种万向齿轮齿条传动机构,齿条设置在齿条轨道链接架的顶端,一对轨道分别对应地设置在齿条轨道链接架的两侧,后位链接架与支架的一端可转动连接,后位链接架可滑动地扣设在轨道的上方,一对第一下压轮分别可转动地设置在后位链接架的内壁两侧,一对第一下压轮分别与一对轨道的底端抵接；一对第一上车轮分别对应且可转动地设置在后位链接架的内壁两侧,一对第一上车轮分别对应地与一对轨道的顶端抵接；前位主链接架与支架的另一端可转动地连接,一对第二下压轮分别可转动地设置在前位主链接架的内壁两侧,一对第二下压轮分别与一对轨道的底端抵接；电机设置在前位主链接架内,电机的输出轴与齿轮传动连接,齿轮与齿条啮合。(The invention provides a universal gear rack transmission mechanism, wherein a rack is arranged at the top end of a rack track link frame, a pair of tracks are respectively and correspondingly arranged at two sides of the rack track link frame, a rear link frame is rotatably connected with one end of a support and can be slidably buckled above the tracks, a pair of first lower pressing wheels are respectively and rotatably arranged at two sides of the inner wall of the rear link frame, and the pair of first lower pressing wheels are respectively abutted against the bottom ends of the pair of tracks; the pair of first upper wheels are respectively correspondingly and rotatably arranged on two sides of the inner wall of the rear-position linking frame, and are respectively and correspondingly abutted against the top ends of the pair of tracks; the front main linking frame is rotatably connected with the other end of the bracket, the pair of second lower pressing wheels are respectively rotatably arranged on two sides of the inner wall of the front main linking frame, and the pair of second lower pressing wheels are respectively abutted against the bottom ends of the pair of tracks; the motor is arranged in the front main chain connecting frame, an output shaft of the motor is in transmission connection with the gear, and the gear is meshed with the rack.)

1. A universal rack and pinion drive comprising: a bracket, a pair of first upper wheels, a rear link frame, a front main link frame, a gear, a pair of first lower pinch rollers, a pair of tracks for limiting, a rack track link frame, a motor and a pair of second lower pinch rollers,

the rack rail link frame is arranged on the ground, the rack is arranged at the top end of the rack rail link frame, a pair of rails are respectively and correspondingly arranged at the two sides of the rack rail link frame,

the rear-position link frame is rotatably connected with one end of the support, the rear-position link frame is slidably buckled above the tracks, the pair of first lower pressing wheels are respectively correspondingly and rotatably arranged on two sides of the inner wall of the rear-position link frame, and the pair of first lower pressing wheels are respectively correspondingly abutted against the bottom ends of the pair of tracks; the first upper wheels are arranged above the first lower pressing wheel, a pair of the first upper wheels are respectively correspondingly and rotatably arranged on two sides of the inner wall of the rear-position link frame, and the pair of the first upper wheels are respectively correspondingly abutted against the top ends of the pair of the tracks;

the front main linking frame is rotatably connected with the other end of the support, the front main linking frame is slidably buckled above the tracks, the pair of second lower pressing wheels are respectively and correspondingly and rotatably arranged on two sides of the inner wall of the front main linking frame, and the pair of second lower pressing wheels are respectively and correspondingly abutted against the bottom ends of the pair of tracks; the motor is arranged in the front main link frame, an output shaft of the motor is in transmission connection with the gear, and the gear is meshed with the rack.

2. A universal rack and pinion drive as claimed in claim 1 further comprising: the support comprises a first rotating shaft used for enabling the support to rotate left and right, a pair of second rotating shafts used for enabling the support to rotate up and down and a main-auxiliary link universal bearing, the support comprises a first supporting rod and a pair of second supporting rods, the first supporting rod is of a V-shaped structure, the top ends of the pair of second supporting rods are respectively and correspondingly connected with the pair of second supporting rods in a rotatable mode through the pair of second rotating shafts used for enabling the support to rotate up and down, the front main link frame is connected with the bottom end of one second supporting rod through the main-auxiliary link universal bearing, and the rear link frame is hinged with the bottom end of the other second supporting rod.

3. A universal rack and pinion drive as claimed in claim 1 further comprising: and the auxiliary link frame is arranged between the rear link frame and the front main link frame.

4. A universal rack and pinion drive as claimed in claim 3 further comprising: the pair of third lower pressing wheels are correspondingly and rotatably arranged on two sides of the inner wall of the auxiliary link frame respectively, and the pair of third lower pressing wheels are correspondingly and respectively abutted against the bottom ends of the pair of rails; the second upper wheels are arranged above the third lower pressing wheel, a pair of the second upper wheels are respectively correspondingly and rotatably arranged on two sides of the inner wall of the auxiliary link frame, and the pair of the second upper wheels are respectively correspondingly abutted against the top ends of the pair of the tracks.

5. A universal rack and pinion drive as claimed in claim 1 further comprising: concrete groove bed and track and concrete groove link the frame, rack track links the frame and is horizontal bearing structure, the track links the frame with the concrete groove and is vertical bearing structure, the track with the concrete groove link the top of frame with rack track links the bottom of frame and connects, and the cross-section of concrete groove bed is letter "U" font structure, the track is linked the frame with the concrete groove and is set up in the concrete groove bed.

6. A universal rack and pinion drive as claimed in claim 1 further comprising: and the motor is in transmission connection with the gear through the accelerator.

7. A universal rack and pinion drive as claimed in claim 3 wherein the rear link, the front primary link and the secondary link are of a letter "U" configuration in cross section.

8. A universal gear rack transmission mechanism according to claim 4, characterized in that the track is a round steel track, the first upper wheel, the first lower pinch roller, the second upper wheel and the third lower pinch roller are all provided with an arc-shaped groove adapted to the outer wall of the track, and the first upper wheel, the first lower pinch roller, the second upper wheel and the third lower pinch roller are made of rubber.

9. A universal rack and pinion drive as claimed in claim 1 further comprising: the top end of the hanging plate is connected with the front main link frame, and the output shaft of the motor penetrates through the gear and is rotatably connected with the bottom of the hanging plate.

10. A sightseeing vehicle comprising a universal rack and pinion drive as claimed in any one of claims 1 to 9, and further comprising: the cabin is arranged on the support through the cabin link shaft.

Technical Field

The invention relates to the field of transmission mechanisms, in particular to a universal gear rack transmission mechanism and a sightseeing vehicle.

Background

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a universal gear rack transmission mechanism and a sightseeing vehicle.

The technical scheme for solving the technical problems is as follows: a universal rack and pinion drive comprising: a bracket, a pair of first upper wheels, a rear link frame, a front main link frame, a gear, a pair of first lower pinch rollers, a pair of tracks for limiting, a rack track link frame, a motor and a pair of second lower pinch rollers,

the rack rail link frame is arranged on the ground, the rack is arranged at the top end of the rack rail link frame, a pair of rails are respectively and correspondingly arranged at the two sides of the rack rail link frame,

the rear-position link frame is rotatably connected with one end of the support, the rear-position link frame is slidably buckled above the tracks, the pair of first lower pressing wheels are respectively correspondingly and rotatably arranged on two sides of the inner wall of the rear-position link frame, and the pair of first lower pressing wheels are respectively correspondingly abutted against the bottom ends of the pair of tracks; the first upper wheels are arranged above the first lower pressing wheel, a pair of the first upper wheels are respectively correspondingly and rotatably arranged on two sides of the inner wall of the rear-position link frame, and the pair of the first upper wheels are respectively correspondingly abutted against the top ends of the pair of the tracks;

the front main linking frame is rotatably connected with the other end of the support, the front main linking frame is slidably buckled above the tracks, the pair of second lower pressing wheels are respectively correspondingly and rotatably arranged on two sides of the inner wall of the front main linking frame, and the pair of second lower pressing wheels are respectively correspondingly abutted against the bottom ends of the pair of tracks; the motor is arranged in the front main link frame, an output shaft of the motor is in transmission connection with the gear, and the gear is meshed with the rack.

The invention has the beneficial effects that: by designing the front link frame and the rear link frame which can rotate mutually, the universal gear rack transmission mechanism can adapt to the arc curve of the track, and the normal operation of the universal gear rack transmission mechanism is facilitated; the arrangement of the lower pinch roller and the upper wheel prevents the universal gear rack transmission mechanism from being separated from the track, and improves the reliability of the universal gear rack transmission mechanism. The universal gear rack transmission mechanism is arranged on the ground, so that a user can conveniently install and maintain the universal gear rack transmission mechanism, the user does not need to ascend for installation and maintenance, and the labor intensity of the user is reduced; in addition, the driving mode of the universal gear rack enables the driving distance of the universal gear rack transmission mechanism to be accurate, the gear is prevented from slipping, and the safety and reliability of the universal gear rack transmission mechanism are improved. In addition, the second lower pressing wheel is used for pressing the rack to the position of the gear, so that the gear and the rack are tightly combined.

On the basis of the technical scheme, the invention can be further improved as follows.

Further, still include: the support comprises a first rotating shaft used for enabling the support to rotate left and right, a pair of second rotating shafts used for enabling the support to rotate up and down and a main-auxiliary link universal bearing, the support comprises a first supporting rod and a pair of second supporting rods, the first supporting rod is of a V-shaped structure, the top ends of the pair of second supporting rods are respectively and correspondingly connected with the pair of second supporting rods in a rotatable mode through the pair of second rotating shafts used for enabling the support to rotate up and down, the front main link frame is connected with the bottom end of one second supporting rod through the main-auxiliary link universal bearing, and the rear link frame is hinged with the bottom end of the other second supporting rod.

The beneficial effect of adopting the further scheme is that: the universal gear rack transmission mechanism comprises a first rotating shaft, a pair of second rotating shafts and a main-auxiliary link universal bearing, wherein the first rotating shaft is used for enabling the support to rotate left and right, the pair of second rotating shafts is used for enabling the support to rotate up and down, and the main-auxiliary link universal bearing is arranged, so that the universal gear rack transmission mechanism can adapt to guide rails with different radians, the universal gear rack transmission mechanism can normally pass through the position of an arc track, the adaptability of the universal gear rack transmission mechanism is improved, and the reliability of the.

Further, still include: and the auxiliary link frame is arranged between the rear link frame and the front main link frame.

The beneficial effect of adopting the further scheme is that: the auxiliary link frame is used for supporting the universal gear rack transmission mechanism in an auxiliary mode, shaking of the universal gear rack transmission mechanism is reduced, and stability of the universal gear rack transmission mechanism is improved.

Further, still include: the pair of third lower pressing wheels are respectively correspondingly and rotatably arranged on two sides of the inner wall of the auxiliary link frame, and the pair of third lower pressing wheels are respectively and correspondingly abutted against the bottom ends of the pair of rails; the second upper wheels are arranged above the third lower pressing wheel, a pair of the second upper wheels are respectively correspondingly and rotatably arranged on two sides of the inner wall of the auxiliary link frame, and the pair of the second upper wheels are respectively correspondingly abutted against the top ends of the pair of the tracks.

The beneficial effect of adopting the further scheme is that: the arrangement of the pair of second upper wheels and the pair of third lower pressing wheels further assists in limiting the universal gear rack transmission mechanism, so that the universal gear rack transmission mechanism is prevented from derailing, the stability of the universal gear rack transmission mechanism is improved, and the safety and reliability of the universal gear rack transmission mechanism are improved.

Further, still include: concrete groove bed and track and concrete groove link the frame, rack track links the frame and is horizontal bearing structure, the track links the frame with the concrete groove and is vertical bearing structure, the track with the concrete groove link the top of frame with rack track links the bottom of frame and connects, and the cross-section of concrete groove bed is letter "U" font structure, the track is linked the frame with the concrete groove and is set up in the concrete groove bed.

The beneficial effect of adopting the further scheme is that: the universal gear rack transmission mechanism is installed on the ground through the concrete trough bed and the connecting frame of the track and the concrete trough, so that the universal gear rack transmission mechanism is convenient to install and maintain, the loading capacity of the universal gear rack transmission mechanism is improved, the universal gear rack transmission mechanism is embedded underground, the stability of the universal gear rack transmission mechanism is improved, and the noise of the universal gear rack transmission mechanism is reduced.

Further, still include: and the motor is in transmission connection with the gear through the accelerator.

The beneficial effect of adopting the further scheme is that: the reducer is used for adjusting the advancing speed of the universal gear rack transmission mechanism and reducing the load of the motor.

Furthermore, the cross sections of the rear link frame, the front main link frame and the auxiliary link frame are in a U-shaped structure.

The beneficial effect of adopting the further scheme is that: the cross-sectional shapes of the rear-position link frame, the front-position main link frame and the auxiliary link frame are of letter U-shaped structures, so that the installation and maintenance of the pinch roller are facilitated, the stability of the universal gear rack transmission mechanism is improved, and the generation cost is reduced.

Further, the track is the round steel track, first go up the wheel first pinch roller down the pinch roller under the second the wheel on the second and the pinch roller all be provided with under the third with the arc wall of track outer wall adaptation, first go up the wheel first pinch roller down the pinch roller under the second the wheel on the second and the third pinch roller preparation material is rubber down.

The beneficial effect of adopting the further scheme is that: the pinch roller of conical structure improves the degree of compression and the adaptability of pinch roller, prevents that universal gear rack drive from derailing, and rubber is chooseed for use to the material of pinch roller, reduces universal gear rack drive's noise, improves the degree of compression and the adaptability of pinch roller.

Further, still include: the top end of the hanging plate is connected with the front main link frame, and the output shaft of the motor penetrates through the gear and is rotatably connected with the bottom of the hanging plate.

The beneficial effect of adopting the further scheme is that: the setting of hanger plate improves gear revolve's stability, prevents that the gear from rocking, improves the reliability of gear and rack meshing.

In addition, the invention also provides a sightseeing vehicle, which comprises the universal gear rack transmission mechanism, and further comprises: the cabin is arranged on the support through the cabin link shaft.

The invention has the beneficial effects that: by designing the front link frame and the rear link frame which can rotate mutually, the universal gear rack transmission mechanism can adapt to the arc curve of the track, and the normal operation of the universal gear rack transmission mechanism is facilitated; the arrangement of the lower pinch roller and the upper wheel prevents the universal gear rack transmission mechanism from being separated from the track, and improves the reliability of the universal gear rack transmission mechanism. The universal gear rack transmission mechanism is arranged on the ground, so that a user can conveniently install and maintain the universal gear rack transmission mechanism, the user does not need to ascend for installation and maintenance, and the labor intensity of the user is reduced; in addition, the driving mode of the universal gear rack enables the driving distance of the universal gear rack transmission mechanism to be accurate, the gear is prevented from slipping, and the safety and reliability of the universal gear rack transmission mechanism are improved. In addition, the second lower pressing wheel is used for pressing the rack to the position of the gear, so that the gear and the rack are tightly combined.

Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a universal rack and pinion transmission mechanism according to an embodiment of the present invention.

Fig. 2 is a second schematic structural diagram of a universal rack and pinion transmission mechanism according to an embodiment of the present invention.

Fig. 3 is a third schematic structural diagram of a universal rack and pinion transmission mechanism according to an embodiment of the present invention.

Fig. 4 is a fourth schematic structural diagram of the universal gear rack transmission mechanism according to the embodiment of the present invention.

Fig. 5 is a fifth schematic structural view of a universal rack and pinion transmission mechanism according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a sightseeing vehicle according to an embodiment of the present invention.

Fig. 7 is a second schematic structural diagram of a sightseeing vehicle according to an embodiment of the present invention.

Fig. 8 is a third schematic structural view of a sightseeing vehicle according to an embodiment of the present invention.

The reference numbers illustrate: 1-a scaffold; 2-a first upper wheel; 3-a rear link; 4-front main link frame; 5-a gear; 6-a first lower pinch roller; 7-orbit; 8-a rack; 9-rack rail link frame; 10-a motor; 11-a second lower pinch roller; 12-a first shaft; 13-a second shaft; 14-primary and secondary link universal bearings; 15-a first support bar; 16-a second support bar; 17-secondary link frame; 18-a second upper wheel; 19-a third lower pinch roller; 20-concrete tank bed; 21-the track and concrete trough link frame; 22-a hanger plate; 23-the cockpit; 24-cabin link axis.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1 to 8, fig. 1 is a schematic structural diagram of a universal rack and pinion transmission mechanism according to an embodiment of the present invention. Fig. 2 is a second schematic structural diagram of a universal rack and pinion transmission mechanism according to an embodiment of the present invention. Fig. 3 is a third schematic structural diagram of a universal rack and pinion transmission mechanism according to an embodiment of the present invention. Fig. 4 is a fourth schematic structural diagram of the universal gear rack transmission mechanism according to the embodiment of the present invention. Fig. 5 is a fifth schematic structural view of a universal rack and pinion transmission mechanism according to an embodiment of the present invention. Fig. 6 is a schematic structural diagram of a sightseeing vehicle according to an embodiment of the present invention. Fig. 7 is a second schematic structural diagram of a sightseeing vehicle according to an embodiment of the present invention. Fig. 8 is a third schematic structural view of a sightseeing vehicle according to an embodiment of the present invention.

The embodiment of the invention provides a universal gear rack transmission mechanism, which comprises: a bracket 1, a pair of first upper wheels 2, a rear link 3, a front main link 4, a gear 5, a pair of first lower pressing wheels 6, a pair of tracks 7 for limiting, a rack 8, a rack track link 9, a motor 10 and a pair of second lower pressing wheels 11,

the rack-and-track link 9 is arranged on the ground, the rack 8 is arranged at the top end of the rack-and-track link 9, the pair of tracks 7 are respectively and correspondingly arranged at two sides of the rack-and-track link 9,

the rear-position link frame 3 is rotatably connected with one end of the support 1, the rear-position link frame 3 is slidably buckled above the track 7, the pair of first lower pressing wheels 6 are respectively correspondingly and rotatably arranged on two sides of the inner wall of the rear-position link frame 3, and the pair of first lower pressing wheels 6 are respectively correspondingly abutted against the bottom ends of the pair of tracks 7; the first upper wheels 2 are arranged above the first lower pressing wheel 6, a pair of the first upper wheels 2 are respectively correspondingly and rotatably arranged on two sides of the inner wall of the rear linking frame 3, and the pair of the first upper wheels 2 are respectively correspondingly abutted against the top ends of the pair of tracks 7;

the front main linking frame 4 is rotatably connected with the other end of the bracket 1, the front main linking frame 4 is slidably buckled above the track 7, the pair of second lower pressing wheels 11 are respectively correspondingly and rotatably arranged on two sides of the inner wall of the front main linking frame 4, and the pair of second lower pressing wheels 11 are respectively correspondingly abutted against the bottom ends of the pair of tracks 7; the motor 10 is arranged in the front main link frame 4, an output shaft of the motor 10 is in transmission connection with the gear 5, and the gear 5 is meshed with the rack 8.

The front main link frame 4 is rotatably connected with the other end of the support 1, and the other end of the support 1 is a bottom front plate part of the support 1.

By designing the front link frame and the rear link frame which can rotate mutually, the universal gear rack transmission mechanism can adapt to the arc curve of the track, and the normal operation of the universal gear rack transmission mechanism is facilitated; the arrangement of the lower pinch roller and the upper wheel prevents the universal gear rack transmission mechanism from being separated from the track, and improves the reliability of the universal gear rack transmission mechanism. The universal gear rack transmission mechanism is arranged on the ground, so that a user can conveniently install and maintain the universal gear rack transmission mechanism, the user does not need to ascend for installation and maintenance, and the labor intensity of the user is reduced; in addition, the driving mode of the universal gear rack enables the driving distance of the universal gear rack transmission mechanism to be accurate, the gear is prevented from slipping, and the safety and reliability of the universal gear rack transmission mechanism are improved. In addition, the second lower pressing wheel is used for pressing the rack to the position of the gear, so that the gear and the rack are tightly combined.

The universal gear rack transmission mechanism can rotate at any angle and at various oblique angles, and the helical angle can be realized by the universal gear rack transmission mechanism. The universal gear rack transmission mechanism adopts a track with a universal rack gear as shown in figure 4, and can realize turning in any direction and straight-up and straight-down running.

Further comprising: the support 1 comprises a first rotating shaft 12 for enabling the support to rotate left and right, a pair of second rotating shafts 13 for enabling the support to rotate up and down, and a main and auxiliary link universal bearing 14, the support 1 comprises a first supporting rod 15 and a pair of second supporting rods 16, the first supporting rod 15 is in a letter V-shaped structure, the top ends of the pair of second supporting rods 16 are respectively and correspondingly connected with the pair of second supporting rods 16 through the pair of second rotating shafts 13 for enabling the support to rotate up and down, the front main link frame 4 is connected with the bottom end of one of the second supporting rods 16 through the main and auxiliary link universal bearing 14, and the rear link frame 3 is hinged with the bottom end of the other second supporting rod 16.

The universal gear rack transmission mechanism comprises a first rotating shaft, a pair of second rotating shafts and a main-auxiliary link universal bearing, wherein the first rotating shaft is used for enabling the support to rotate left and right, the pair of second rotating shafts is used for enabling the support to rotate up and down, and the main-auxiliary link universal bearing is arranged, so that the universal gear rack transmission mechanism can adapt to guide rails with different radians, the universal gear rack transmission mechanism can normally pass through the position of an arc track, the adaptability of the universal gear rack transmission mechanism is improved, and the reliability of the.

Further comprising: and a sub link frame 17, wherein the sub link frame 17 is disposed between the rear link frame 3 and the front main link frame 4.

The auxiliary link frame is used for supporting the universal gear rack transmission mechanism in an auxiliary mode, shaking of the universal gear rack transmission mechanism is reduced, and stability of the universal gear rack transmission mechanism is improved.

Further comprising: the pair of second upper wheels 18 and the pair of third lower pressing wheels 19, the auxiliary link frame 17 is rotatably connected with the other end of the support 1, the auxiliary link frame 17 is slidably buckled above the track 7, the pair of third lower pressing wheels 19 are respectively correspondingly and rotatably arranged on two sides of the inner wall of the auxiliary link frame 17, and the pair of third lower pressing wheels 19 are respectively correspondingly abutted against the bottom ends of the pair of tracks 7; the second upper wheels 18 are disposed above the third lower pressing wheel 19, a pair of the second upper wheels 18 are respectively disposed on two sides of the inner wall of the auxiliary link frame 17 in a corresponding manner and are rotatable, and the pair of the second upper wheels 18 respectively abut against the top ends of the pair of the rails 7 in a corresponding manner.

The arrangement of the pair of second upper wheels and the pair of third lower pressing wheels further assists in limiting the universal gear rack transmission mechanism, so that the universal gear rack transmission mechanism is prevented from derailing, the stability of the universal gear rack transmission mechanism is improved, and the safety and reliability of the universal gear rack transmission mechanism are improved.

Further comprising: concrete groove bed 20 and track and concrete groove link frame 21, rack track link frame 9 is horizontal bearing structure, track and concrete groove link frame 21 are vertical bearing structure, the track with concrete groove link frame 21 the top with rack track link frame 9's bottom is connected, the cross-section of concrete groove bed 20 is letter "U" font structure, track and concrete groove link frame 21 set up in the concrete groove bed 20.

The universal gear rack transmission mechanism is installed on the ground through the concrete trough bed and the connecting frame of the track and the concrete trough, so that the universal gear rack transmission mechanism is convenient to install and maintain, the loading capacity of the universal gear rack transmission mechanism is improved, the universal gear rack transmission mechanism is embedded underground, the stability of the universal gear rack transmission mechanism is improved, and the noise of the universal gear rack transmission mechanism is reduced.

Further comprising: and the motor is in transmission connection with the gear through the accelerator.

The reducer is used for adjusting the advancing speed of the universal gear rack transmission mechanism and reducing the load of the motor.

The cross-sectional shapes of the rear link frame 3, the front main link frame 4 and the auxiliary link frame 17 are letter 'U' -shaped structures.

The cross-sectional shapes of the rear-position link frame, the front-position main link frame and the auxiliary link frame are of letter U-shaped structures, so that the installation and maintenance of the pinch roller are facilitated, the stability of the universal gear rack transmission mechanism is improved, and the generation cost is reduced.

Track 7 is the round steel track, first go up wheel 2 first pinch roller 6 under the second pinch roller 11 wheel 18 on the second and pinch roller 19 all be provided with under the third with the arc wall of track outer wall adaptation, first go up wheel 2 first pinch roller 6 under the second pinch roller 11 wheel 18 on the second and pinch roller 19 preparation material is rubber under the third.

The pinch roller of conical structure improves the degree of compression and the adaptability of pinch roller, prevents that universal gear rack drive from derailing, and rubber is chooseed for use to the material of pinch roller, reduces universal gear rack drive's noise, improves the degree of compression and the adaptability of pinch roller.

Further comprising: and the top end of the hanging plate 22 is connected with the front main link frame 4, and the output shaft of the motor 10 penetrates through the gear 5 and is rotatably connected with the bottom of the hanging plate 22.

The setting of hanger plate improves gear revolve's stability, prevents that the gear from rocking, improves the reliability of gear and rack meshing.

In addition, the invention also provides a sightseeing vehicle, which comprises the universal gear rack transmission mechanism, and further comprises: a cabin 23 and a cabin link shaft 24, the cabin link shaft 24 being rotatably provided at the top end of the rack 1, the cabin 23 being mounted on the rack 1 through the cabin link shaft 24.

By designing the front link frame and the rear link frame which can rotate mutually, the universal gear rack transmission mechanism can adapt to the arc curve of the track, and the normal operation of the universal gear rack transmission mechanism is facilitated; the arrangement of the lower pinch roller and the upper wheel prevents the universal gear rack transmission mechanism from being separated from the track, and improves the reliability of the universal gear rack transmission mechanism. The universal gear rack transmission mechanism is arranged on the ground, so that a user can conveniently install and maintain the universal gear rack transmission mechanism, the user does not need to ascend for installation and maintenance, and the labor intensity of the user is reduced; in addition, the driving mode of the universal gear rack enables the driving distance of the universal gear rack transmission mechanism to be accurate, the gear is prevented from slipping, and the safety and reliability of the universal gear rack transmission mechanism are improved. In addition, the second lower pressing wheel is used for pressing the rack to the position of the gear, so that the gear and the rack are tightly combined.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.