CN207454586U - A kind of attachment device of height limitator and retarder - Google Patents
A kind of attachment device of height limitator and retarder Download PDFInfo
- Publication number
- CN207454586U CN207454586U CN201721340730.1U CN201721340730U CN207454586U CN 207454586 U CN207454586 U CN 207454586U CN 201721340730 U CN201721340730 U CN 201721340730U CN 207454586 U CN207454586 U CN 207454586U
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- shaft
- retarder
- height limitator
- attachment device
- connecting shaft
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Abstract
The utility model provides the attachment device of a kind of height limitator and retarder.The attachment device includes cross connecting piece and connecting shaft, the blind end of the cross connecting piece and the shaft of height limitator are hinged, one end of the connecting shaft is coaxially installed on the slow-speed shaft of retarder, the shaft of the height limitator and the connecting shaft are coaxial, and the other end of the connecting shaft is placed in the openend of the cross connecting piece and passes through positioning pin connection.The attachment device of a kind of height limitator and retarder provided by the utility model, by positioning pin by cross connecting piece with being connected axis connection, so that leave gap between cross connecting piece and connecting shaft and the shaft of height limitator, so as to eliminate the installation of the shaft of connecting shaft and height limitator and foozle, ensure the concentricity of the shaft of connecting shaft and height limitator, so as to increase the service life of height limitator and security, and entire attachment device simple installation, it is easy to accomplish.
Description
Technical field
The utility model is related to bridge crane field, more particularly, to the company of a kind of height limitator and retarder
Connection device.
Background technology
Height limitator is the important safety protection switch in bridge crane field, for limiting the height of load-engaging device,
When load-engaging device, which rises, is raised to upper limit position, limiter is cut off the power, and prevents the load-engaging devices such as suspension hook, grab bucket from continuing to rise hair
The raw accidents such as rush to summit.
The connection mode of common height limitator has flange fixation and base type to fix two species on hoisting machinery at present
Type, flange form is fixed generally to be connected by the lifting mechanism of square shaft and crane, and which requires height limitator square shaft and rises
The concentricity of liter mechanism is higher, and slightly deviation, square shaft easily damage.The fixed height limitator of base type generally passes through shaft coupling
Device is connected with crane hoisting mechanism, and which floor installation is complicated, in the high working condition shaft coupling spoilage of frequency of use
It is high.
The connection mode of above two height limitator cannot all eliminate the installation error of height limitator well, so as to
The accuracy of mesh of worm and gear in height limitator is influenced, the final service life for influencing height limitator causes various peaces
Full hidden danger.
Utility model content
The utility model provides a kind of height limitator for overcoming the above problem or solving the above problems at least partly
With the attachment device of retarder.
The utility model provides the attachment device of a kind of height limitator and retarder.A kind of height limitator and retarder
Attachment device, including cross connecting piece and connecting shaft, the shaft of the blind end of the cross connecting piece and height limitator is cut with scissors
It connects, one end of the connecting shaft is coaxially installed on the slow-speed shaft of retarder, the shaft of the height limitator and the connection
Axis is coaxial, and the other end of the connecting shaft is placed in the openend of the cross connecting piece and passes through positioning pin connection.
Preferably, the other end of the connecting shaft direction vertical with radial direction is equipped with through hole, the cross connecting piece
Openend is equipped with location hole corresponding with the through hole, and the positioning pin passes through the through hole and location hole.
Preferably, the height limitator is connected with end cap, so that the shaft of the height limitator and the connecting shaft
Coaxially.
Preferably, the end cap is fixed on the housing of the retarder and coaxial with the slow-speed shaft of the retarder, institute
It states and positioning convex platform is coaxially provided on the end face of end cap, the height limitator is connected with to be determined with what the positioning convex platform was connected
Position groove, the shaft of the height limitator and the positioning groove are coaxial, and the positioning convex platform passes through with the positioning groove
It is bolted.
Preferably, the through hole and location hole are two.
Preferably, it is evenly distributed on the housing of the retarder and on the circumference coaxial with the slow-speed shaft of the retarder
The end cap is fixed on the housing of the retarder by multiple positioning bolts by the multiple positioning bolt.
Preferably, the positioning pin is split pin.
The application provide a kind of height limitator and retarder attachment device, by positioning pin by cross connecting piece with
Connect axis connection so that gap is left between cross connecting piece and connecting shaft and the shaft of height limitator, so as to disappear
Installation and foozle except connecting shaft and the shaft of height limitator, ensure connecting shaft and height limitator shaft it is coaxial
Degree, so as to increase the service life of height limitator and security, and entire attachment device simple installation, it is easy to accomplish.
Description of the drawings
Fig. 1 is the structure diagram according to a kind of height limitator of the utility model and the attachment device of retarder；
Fig. 2 is the partial enlarged view according to I in a kind of height limitator of the utility model and the attachment device of retarder；
Reference numeral：
1- retarders；2- connecting shafts；3- positioning grooves；
4- end caps；5- positioning bolts；6- height limitators；
7- bolts；8- positioning pins；9- cross connecting pieces.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Fig. 1 is the structure diagram according to a kind of height limitator of the utility model and the attachment device of retarder, Fig. 2
For the partial enlarged view of I in a kind of height limitator according to the utility model and the attachment device of retarder, with reference to Fig. 1 and figure
Shown in 2, the attachment device of a kind of height limitator and retarder includes cross connecting piece 9 and connecting shaft 2, the cross connecting piece
The shaft of 9 blind end and height limitator 6 is hinged, and one end of connecting shaft 2 is coaxially installed on the slow-speed shaft of retarder 1, institute
State that shaft and the connecting shaft 2 of height limitator 6 are coaxial, and the other end of the connecting shaft 2 is placed in the cross connecting piece 9
In openend and pass through positioning pin 8 and connect.
Specifically, the service life of height limitator and the concentricity of the shaft of the slow-speed shaft of retarder and height limitator
It is closely related, because its concentricity directly influences the engagement of the turbine and worm in height limitator, and then influences height and limit
The working condition of position device.Under actual working state, cross connecting piece 9 and connecting shaft 2, the blind end of the cross connecting piece 9
It is hinged with the shaft of height limitator 6, one end of connecting shaft 2 is coaxially installed on the slow-speed shaft of retarder 1, the height limit
The shaft of device 6 is co-axially mounted with the connecting shaft 2, ensures the uniformity of transmission.By between cross connecting piece 9 and connecting shaft 2
Gap connection eliminates height limitator 6 and the installation error of the low speed axis connection of retarder 1, and gap connection is will by positioning pin 8
Connecting shaft 2 is connected to inside the openend of cross connecting piece 9, and vertically with leaving gap on the direction of connecting shaft 2.When height
There are during installation error between the shaft of limiter 6 and the slow-speed shaft of retarder or connecting shaft 2, gap connection and word connect
The blind end of fitting 9 with 6 shaft of height limitator be hinged be combined can effectively eliminate shaft when height limitator 6 with
Installation error between the slow-speed shaft of retarder or connecting shaft 2.
A kind of height limitator and the attachment device of retarder that above-described embodiment provides, are connected cross by positioning pin
Part is with being connected axis connection so that gap is left between cross connecting piece and connecting shaft and the shaft of height limitator, so as to
Installation and the foozle of the shaft of connecting shaft and height limitator are enough eliminated, ensures the shaft of connecting shaft and height limitator
Concentricity so as to increase the service life of height limitator and security, and entire attachment device simple installation, is easy to real
It is existing.
Content based on above-described embodiment, the direction that the other end of the connecting shaft is vertical with radial direction are equipped with through hole, institute
The openend for stating cross connecting piece is equipped with location hole corresponding with the through hole, and the positioning pin passes through the through hole and positioning
Hole.
Based on the various embodiments described above, the through hole and location hole are two.By using two positioning pins so that connection
The connection of the shaft of axis and height limitator is more secured, and the torque transferred is stablized, and then can increase height limitator
Service life.
Content based on the various embodiments described above, with reference to shown in Fig. 1 and Fig. 2, height limitator 6 is connected with end cap 4, so that high
Spend limiter 6 shaft and connecting shaft 2 it is coaxial, end cap 4 be fixed on the housing of retarder 1 and with the low speed of the retarder 1
Axis is coaxial, and positioning convex platform is coaxially provided on the end face of the end cap 4, and the height limitator 6 is connected with and the positioning convex platform
The positioning groove 3 of mating connection, the shaft of the height limitator 6 and the positioning groove 3 are coaxial, the positioning convex platform and institute
Positioning groove is stated to connect by bolt 7.
Specifically, in order to ensure the concentricity of the shaft of the height limitator 6 and the connecting shaft 2, end is ensured first
Then the concentricity of lid 4 and the slow-speed shaft of retarder 1 carries out axis by the positioning convex platform coaxial with end cap to height limitator 6
It is specially that height limitator 6 is connected with positioning groove 3, the shaft and positioning groove 3 of height limitator 6 are coaxial, positioning to positioning
Boss is connected with positioning groove 3 by bolt 7, and wherein positioning convex platform is just connected with positioning groove 3, realizes height limit
The shaft of device 6 is coaxial with the slow-speed shaft of retarder 1.Meanwhile the use positioning pin of connecting shaft 2 and cross connecting piece 9 is into the ranks
Gap connects, so as to eliminate the installation of the shaft of connecting shaft and height limitator and foozle, so as to increase height limit
The service life and security of device.
Based on the various embodiments described above, as shown in Figure 1, the circle coaxial on the housing of retarder 1 and with the slow-speed shaft of retarder 1
Multiple positioning bolts 5 are evenly distributed on week, the end cap 4 is fixed on the shell of the retarder 1 by the multiple positioning bolt 5
On body.End cap 4 compared with the slow-speed shaft of retarder 1 concentricity, be by the housing of retarder 1 and with retarder 1
It is evenly distributed with multiple positioning bolts 5 on the coaxial circumference of slow-speed shaft to realize, in advance to 5 corresponding bolt hole of positioning bolt
It is positioned into row position, so as to ensure the installation accuracy of end cap 4.
Based on the various embodiments described above, the positioning pin is split pin.The major advantage of split pin is compared with other positioning
Pin connection more securely, ensure the transmission accuracy of the slow-speed shaft of retarder and the shaft of height limitator, and then postpone height
The service life of limiter.
The attachment device of a kind of height limitator and retarder provided by the utility model, is connected cross by positioning pin
Part is with being connected axis connection so that gap is left between cross connecting piece and connecting shaft and the shaft of height limitator, so as to
Installation and the foozle of the shaft of connecting shaft and height limitator are enough eliminated, ensures the shaft of connecting shaft and height limitator
Concentricity so as to increase the service life of height limitator and security, and entire attachment device simple installation, is easy to real
It is existing.
Finally, the device in the utility model is only preferable embodiment, is not intended to limit the guarantor of the utility model
Protect scope.Within the spirit and principle of the utility model, all any modification, equivalent and improvement made should all include
Within the scope of protection of the utility model.
Claims (7)
1. the attachment device of a kind of height limitator and retarder, which is characterized in that described including cross connecting piece and connecting shaft
The blind end of cross connecting piece and the shaft of height limitator are hinged, and one end of the connecting shaft is coaxially installed in the low of retarder
On fast axis, the shaft of the height limitator and the connecting shaft are coaxial, and the other end of the connecting shaft is placed in the cross and connects
In the openend of fitting and pass through positioning pin connection.
2. attachment device according to claim 1, which is characterized in that the other end of the connecting shaft side vertical with radial direction
Through hole is equipped with upwards, and the openend of the cross connecting piece is equipped with location hole corresponding with the through hole, and the positioning pin passes through
The through hole and location hole.
3. attachment device according to claim 1 or 2, which is characterized in that the height limitator is connected with end cap, so that
The shaft of the height limitator and the connecting shaft are coaxial.
4. attachment device according to claim 3, which is characterized in that the end cap is fixed on the housing of the retarder
And it is coaxial with the slow-speed shaft of the retarder, positioning convex platform is coaxially provided on the end face of the end cap, the height limitator connects
The positioning groove being connected with the positioning convex platform is connected to, the shaft of the height limitator and the positioning groove are coaxial,
The positioning convex platform is bolted with the positioning groove.
5. attachment device according to claim 2, which is characterized in that the through hole and location hole are two.
6. attachment device according to claim 4, which is characterized in that on the housing of the retarder and with the retarder
The coaxial circumference of slow-speed shaft on be evenly distributed with multiple positioning bolts, the end cap is fixed by the multiple positioning bolt
On the housing of the retarder.
7. attachment device according to claim 1 or 2, which is characterized in that the positioning pin is split pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340730.1U CN207454586U (en) | 2017-10-16 | 2017-10-16 | A kind of attachment device of height limitator and retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340730.1U CN207454586U (en) | 2017-10-16 | 2017-10-16 | A kind of attachment device of height limitator and retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454586U true CN207454586U (en) | 2018-06-05 |
Family
ID=62249593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721340730.1U Active CN207454586U (en) | 2017-10-16 | 2017-10-16 | A kind of attachment device of height limitator and retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374396A (en) * | 2020-11-14 | 2021-02-19 | 徐州长航科技有限公司 | Height limiter with protection structure |
-
2017
- 2017-10-16 CN CN201721340730.1U patent/CN207454586U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374396A (en) * | 2020-11-14 | 2021-02-19 | 徐州长航科技有限公司 | Height limiter with protection structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Lama Temple street, Dongcheng District, Dongcheng District, Beijing Patentee after: Beijing lifting and conveying machinery design and Research Institute Co., Ltd. Address before: 100007 Lama Temple street, Dongcheng District, Dongcheng District, Beijing Patentee before: Beijing Materials Handling Research Institute |
|
| CP01 | Change in the name or title of a patent holder |