CN219136168U - Positioning device for segment crane - Google Patents
Positioning device for segment crane Download PDFInfo
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- CN219136168U CN219136168U CN202320005735.8U CN202320005735U CN219136168U CN 219136168 U CN219136168 U CN 219136168U CN 202320005735 U CN202320005735 U CN 202320005735U CN 219136168 U CN219136168 U CN 219136168U
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- wheel
- positioning device
- spring
- wheel frame
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Abstract
The utility model relates to a positioning device for a segment crane, which comprises a first driving wheel set and a second driving wheel set, wherein the upper ends of the first driving wheel set and the second driving wheel set are connected through an end beam, the positioning device comprises wheels, springs used for connecting the end beam and the wheels, and an absolute encoder, the lower ends of the wheels are abutted against a conveying track of the segment crane through the springs, the wheels are connected with the springs in a rolling manner, and the absolute encoder is connected with a wheel shaft through a coupling. The utility model can keep the wheel and the track in a connection state and keep the wheel in a rolling state when advancing, thereby enabling an absolute value encoder connected with the wheel to accurately calculate the position of the crane.
Description
Technical Field
The utility model relates to the technical field of shield machines, in particular to a positioning device for a segment crane.
Background
The segment crane is an automatic crane in the shield machine and is responsible for lifting the segment, the segment crane runs on a trailer in the shield machine and generally spans 3 trailers, and due to the different gradient and turning requirements of the shield machine for tunneling a tunnel, the two trailers are connected through a hinge, and the track of the segment crane is disconnected at the joint of the two trailers and has a height difference.
The positioning device of the existing pipe segment crane is generally provided with an absolute value encoder on one travelling wheel. The absolute value encoder is connected with the wheel shaft, when the wheel rotates, the internal mechanism of the absolute value encoder synchronously rotates, and the position of the automatic pipe piece crane is calculated in a circle counting mode, so that the wheel and the track are required to be always kept in contact and always kept rolling, sliding cannot be generated, otherwise, the positioning device is inaccurate to position, and the travelling wheel of the pipe piece crane is locked to slide during braking, so that the existing positioning device is inaccurate to position.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing a positioning device for a segment crane, which can keep a wheel and a track in a connection state and keep the wheel in a rolling state when advancing, so that an absolute value encoder connected with the wheel accurately calculates the position of the crane.
According to the technical scheme provided by the utility model, the segment crane comprises a first driving wheel set and a second driving wheel set, wherein the upper ends of the first driving wheel set and the second driving wheel set are connected through an end beam, the positioning device comprises wheels, springs used for connecting the end beam and the wheels, and an absolute value encoder, the lower ends of the wheels are abutted against a conveying track of the segment crane through the springs, the wheels are connected with the springs in a rolling manner, and the absolute value encoder is connected with a wheel shaft through a coupling.
In one embodiment of the utility model, the device comprises a plurality of springs, wherein any spring is connected with a guide post, the guide post is penetrated in the spring, and one end of the guide post penetrates through the end beam.
In one embodiment of the utility model, the wheel is covered with a wheel frame, the bottom end of the wheel frame is open, the wheel is exposed through the bottom end of the wheel frame, two ends of the wheel shaft are connected with a bearing and a bearing seat, and the bearing seat are both positioned in the wheel frame.
In one embodiment of the utility model, one end of the wheel axle extends out of the wheel frame to be connected with the coupling, the coupling is located between the wheel frame and a second end cover, the second end cover is a U-shaped piece, an opening of the second end cover is connected to the side face of the wheel frame, and the second end cover is located between the coupling and the absolute value encoder.
In one embodiment of the utility model, the steering device comprises a plurality of springs, wherein any spring is connected with a steering column, the steering column is arranged in the spring in a penetrating way, the lower end of the steering column is connected with the wheel frame, and the upper end of the steering column penetrates through the end beam.
In one embodiment of the utility model, the positioning device further comprises a guide piece, the upper end of the guide piece is connected with the end beam, the lower end of the guide piece corresponds to the side face of the wheel frame, the lower end of the guide piece is provided with a long kidney-shaped hole, the extending direction of the long kidney-shaped hole is consistent with the extending direction of the spring, the side face of the wheel frame is connected with a guide pin, and a pin shaft of the guide pin is arranged in the long kidney-shaped hole in a penetrating mode.
In one embodiment of the utility model, the vehicle wheel comprises a plurality of guide pieces, wherein the lower end of any guide piece corresponds to two opposite side surfaces of the wheel frame, any one of the two opposite side surfaces corresponds to a long waist-shaped hole, the two opposite side surfaces of the wheel frame are connected with guide pins, and the pin shafts of the guide pins are penetrated in the corresponding long waist-shaped holes.
In one embodiment of the utility model, a reinforcing rib is connected between the guide member and the end beam.
In one embodiment of the utility model, the spring is provided with a spring housing, which is integrally formed with the guide.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the positioning device is arranged between the two driving wheel groups of the segment crane, when the driving wheels of the segment crane advance, the wheels of the positioning device roll to advance, when the gradient of the transportation track of the segment crane changes, the wheels of the positioning device can be kept in tight contact with the track through the pressure exerted by the springs, and when the driving wheel groups slide or roll on the track, the wheels of the positioning device always roll on the track, so that the absolute value encoder can accurately calculate the position of the segment crane.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a schematic view of the positioning device of the present utility model after being mounted to a pipe segment crane;
FIG. 2 is a schematic view of the positioning device of the present utility model;
FIG. 3 is a side cross-sectional view of the positioning device of the present utility model;
fig. 4 is a front cross-sectional view of the positioning device of the present utility model.
Description of the specification reference numerals: 1-a wheel frame; 2-wheels; 3-bearing seats; 4-a first end cap; 5-a second end cap; 6, reinforcing ribs; 7-a spring; 8-wheel axle; 9-absolute value encoder; 10-shaft coupling; 11-spring sleeve; 12-a guide post; 13-a first drive wheel set; 14-a second drive wheel set; 15-positioning means; 16-end beams; 17-track; 18-a long kidney-shaped hole; 19-guide pins.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1 and 2, the segment crane of the present utility model includes a first driving wheel set 13 and a second driving wheel set 14, the upper ends of the first driving wheel set 13 and the second driving wheel set 14 are connected through an end beam 16, in order to maintain the connection state of the wheel 2 and a rail 17 and maintain the rolling state of the wheel 2 when advancing, so that an absolute value encoder 9 connected with the wheel 2 accurately calculates the position of the crane, the positioning device 15 of the present utility model includes the wheel 2, a spring 7 for connecting the end beam 16 and the wheel 2, and an absolute value encoder 9, the lower end of the wheel 2 is abutted against a transportation rail 17 of the segment crane through the spring 7, the wheel 2 is rollably connected with the spring 7, and the absolute value encoder 9 is connected with the wheel shaft 8 through a coupling 10.
Specifically, when the segment crane transports the segment, the first driving wheel set 13 and the second driving wheel set 14 slide or roll on the transport track 17, the upper ends of the first driving wheel set 13 and the second driving wheel set 14 are connected with the end beam 16, and the first driving wheel set 13 and the second driving wheel set 14 synchronously move. The positioning device 15 is arranged on the end beam 16 between two driving wheel groups, the wheels 2 of the positioning device 15 advance along with the advance of the two driving wheel groups and stop along with the stop of the two driving wheel groups, except that the driving wheel groups slide on the track 17 due to braking locking, the wheels 2 of the positioning device 15 can always keep a rolling state on the track 17 when the driving wheel groups slide or roll, the absolute value encoder 9 calculates the position of the automatic segment crane in a circle counting mode, the circle counting specifically means calculating the number of circles of the wheels 2 of the positioning device 15, and the wheels 2 of the positioning device 15 can keep a rolling advancing state on the track 17, so that the absolute value encoder 9 accurately calculates the position of the crane. Furthermore, the transport rail 17 has slopes of different heights, and when the first drive wheel set 13 and the second drive wheel set 14 are located on the rails 17 of different heights, the positioning device 15 is always kept in contact with the rails 17 by the pressure of the springs 7, so that the absolute value encoder 9 accurately calculates the position of the crane.
Further, in order to expand and contract the springs 7 in a direction perpendicular to the transportation rail 17, the positioning device 15 of the present utility model comprises a plurality of springs 7, wherein any one spring 7 is connected with a guide post 12, the guide post 12 is penetrated in the spring 7, and one end of the guide post 12 penetrates through the end beam 16.
Further, the wheel 2 is covered with a wheel frame 1, the bottom end of the wheel frame 1 is open, the wheel 2 is exposed through the bottom end of the wheel frame 1, two ends of the wheel shaft 8 are connected with bearings and bearing seats 3, and the bearings and the bearing seats 3 are all located in the wheel frame 1.
The novel bicycle steering wheel comprises a plurality of springs 7, wherein any spring 7 is connected with a guide post 12, the guide post 12 is arranged in the spring 7 in a penetrating mode, the lower end of the guide post 12 is connected with the wheel frame 1, and the upper end of the guide post penetrates through the end beam 16.
As shown in fig. 3, bearings are connected to both ends of the wheel axle 8, the bearings are fixed in the bearing blocks 3, the wheel 2, the bearing blocks 3 are fixedly connected in the wheel frame 1, the wheel 2 is positioned in the wheel frame 1, and the wheel 2 can roll along the wheel axle 8 in the wheel frame 1. The lower end of the guide post 12 is fixedly connected with the top end of the wheel frame 1, the upper end of the guide post 12 penetrates through the end beam 16 and can move up and down on the end beam 16, the spring sleeve 11 is arranged on the guide post 12, the lower end of the spring 7 is connected with the top end of the wheel frame 1, when the spring 7 stretches and contracts, the wheel frame 1 connected with the spring 7 ascends or descends along with the lifting movement of the wheel frame 1, the guide post 12 also ascends and descends along with the wheel frame 1, and the wheels 2 in the wheel frame 1 always keep contact with the conveying track 17.
Further, one end of the wheel axle 8 extends out of the wheel frame 1 and is connected with the coupling 10, the coupling 10 is located between the wheel frame 1 and the second end cover 5, the second end cover 5 is a U-shaped piece, the second end cover 5 is connected with the side surface of the wheel frame 1 in an opening manner, and the second end cover 5 is located between the coupling 10 and the absolute value encoder 9.
Specifically, the two opposite sides of the wheel frame 1 are respectively provided with a first end cover 4 and a second end cover 5, the first end cover 4 plays a role in sealing, the wheel 2, the bearing seat 3 and the like are sealed in the wheel frame 1, the second end cover 5 can improve the stability of the connection between the coupler 10 and the absolute value encoder 9, and the absolute value encoder 9 is connected to the second end cover 5, so that the connection with the coupler 10 is realized.
Further, the positioning device 15 further comprises a guide member, the upper end of the guide member is connected with the end beam 16, the lower end of the guide member corresponds to the side surface of the wheel frame 1, a long kidney-shaped hole 18 is formed in the lower end of the guide member, the extending direction of the long kidney-shaped hole 18 is consistent with the extending direction of the spring 7, the side surface of the wheel frame 1 is connected with a guide pin 19, and a pin shaft of the guide pin 19 is arranged in the long kidney-shaped hole 18 in a penetrating manner.
The two opposite side surfaces of the wheel frame 1 are respectively provided with a long waist-shaped hole 18, the two opposite side surfaces of the wheel frame 1 are respectively connected with a guide pin 19, and the pin shafts of the guide pins 19 are arranged in the corresponding long waist-shaped holes 18 in a penetrating manner.
Specifically, the upper end of the guide member is rectangular, two sides of the rectangle extend downwards to form left and right lower ends, the wheel frame 1 is located between the two lower ends, the two lower ends are respectively provided with a long kidney-shaped hole 18, when the wheel frame 1 ascends or descends, a guide pin 19 connected with the wheel frame 1 ascends or descends in the long kidney-shaped hole 18, and the extending direction of the long kidney-shaped hole 18 is perpendicular to the transportation rail 17, so that the lifting direction of the wheel 2 can be perpendicular to the transportation rail 17. The number of the guiding elements can be selected according to actual needs, specifically, the purpose of lifting the vertical rail 17 of the wheel 2 is satisfied, and details are not repeated here.
Further, in order to strengthen the connection of the guide member with the end beam 16, the stability of the connection is improved, and the reinforcing rib 6 is connected between the guide member and the end beam 16.
Further, a spring sleeve 11 is sleeved on the spring 7, and the spring sleeve 11 and the guide piece are integrally formed.
In particular, the guide may be arranged at a position coinciding with the spring 7, and the position coinciding with the spring 7 on the guide may be arranged as an arc-shaped spring pocket 11, said spring pocket 11 enclosing the spring 7.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (9)
1. The utility model provides a section of jurisdiction loop wheel machine positioner, section of jurisdiction loop wheel machine includes first drive wheelset and second drive wheelset, first drive wheelset and second drive wheelset upper end are connected its characterized in that through the end beam: the device comprises a wheel, a spring used for connecting the end beam and the wheel, and an absolute encoder, wherein the lower end of the wheel is abutted against a conveying track of the segment crane through the spring, the wheel is connected with the spring in a rolling manner, and the absolute encoder is connected with a wheel shaft through a coupler.
2. The positioning device for a segment crane according to claim 1, wherein: the guide post is arranged in the spring in a penetrating mode, and one end of the guide post penetrates through the end beam.
3. The positioning device for a segment crane according to claim 1, wherein: the wheel is characterized in that a wheel frame is covered outside the wheel, the bottom end of the wheel frame is open, the wheel is exposed through the bottom end of the wheel frame, two ends of the wheel shaft are connected with a bearing and a bearing seat, and the bearing seat are both positioned in the wheel frame.
4. A positioning device for a segment crane according to claim 3, wherein: the wheel axle one end extends the wheel frame with the shaft coupling is connected, the shaft coupling is located between wheel frame and the second end cover, the second end cover is the U type spare, the second end cover opening connection is in the side of wheel frame, the second end cover is located between shaft coupling and the absolute value encoder.
5. A positioning device for a segment crane according to claim 3, wherein: the novel steering wheel comprises a plurality of springs, wherein any spring is connected with a steering column, the steering column penetrates through the spring, the lower end of the steering column is connected with a wheel frame, and the upper end of the steering column penetrates through an end beam.
6. A positioning device for a segment crane according to claim 3, wherein: the positioning device further comprises a guide piece, the upper end of the guide piece is connected with the end beam, the lower end of the guide piece corresponds to the side face of the wheel frame, a long kidney-shaped hole is formed in the lower end of the guide piece, the extending direction of the long kidney-shaped hole is consistent with the extending direction of the spring, the side face of the wheel frame is connected with a guide pin, and a pin shaft of the guide pin penetrates through the long kidney-shaped hole.
7. The positioning device for a segment crane according to claim 6, wherein: the novel bicycle wheel comprises a plurality of guide pieces, wherein the lower end of any guide piece corresponds to two opposite side surfaces of a wheel frame, any one of the two opposite side surfaces corresponds to a long waist-shaped hole, the two opposite side surfaces of the wheel frame are connected with guide pins, and pin shafts of the guide pins penetrate through the corresponding long waist-shaped holes.
8. The positioning device for a segment crane according to claim 6, wherein: and a reinforcing rib is connected between the guide piece and the end beam.
9. The positioning device for a segment crane according to claim 6, wherein: the spring is sleeved with a spring sleeve, and the spring sleeve and the guide piece are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320005735.8U CN219136168U (en) | 2023-01-03 | 2023-01-03 | Positioning device for segment crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320005735.8U CN219136168U (en) | 2023-01-03 | 2023-01-03 | Positioning device for segment crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219136168U true CN219136168U (en) | 2023-06-06 |
Family
ID=86599548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320005735.8U Active CN219136168U (en) | 2023-01-03 | 2023-01-03 | Positioning device for segment crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219136168U (en) |
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2023
- 2023-01-03 CN CN202320005735.8U patent/CN219136168U/en active Active
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