CN216322543U - Touch type limiting protection cover opening device - Google Patents
Touch type limiting protection cover opening device Download PDFInfo
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- CN216322543U CN216322543U CN202122912938.9U CN202122912938U CN216322543U CN 216322543 U CN216322543 U CN 216322543U CN 202122912938 U CN202122912938 U CN 202122912938U CN 216322543 U CN216322543 U CN 216322543U
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- cover opening
- lifting mechanism
- stroke
- cylinder body
- touch
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Abstract
The utility model discloses a touch type limiting protection cover opening device which comprises a support, wherein a lifting mechanism is arranged in the support, a driving device used for controlling the movement of the lifting mechanism is arranged below the lifting mechanism, and a cover opening arm connected with the lifting mechanism is arranged above the lifting mechanism; an upper travel control switch and a lower travel control switch which are opposite in position are arranged on one side of the bracket, the two switches are electrically connected with the driving device, and a travel touch rod connected with the lifting mechanism is arranged between the two switches. The utility model has the advantages of simple structure, low cost, sensitive stroke protection response, high control precision of cover opening stroke, difficult vibration interference, high operation reliability and safety, convenient maintenance and strong practicability.
Description
Technical Field
The utility model relates to a touch type limiting protection cover opening device, and belongs to the technical field of crushing equipment.
Background
The vertical shaft type impact crusher is crushing equipment which runs at a high speed, the inside of the machine is easy to wear after being impacted and rubbed by moving materials, parts in a crushing cavity need to be overhauled and replaced at regular intervals, and the work can be carried out only by opening a main machine cover. Because the main cover is large in mass and volume, the main cover is usually displaced and placed by installing a cover opening device on the main machine. At present, the DXZ type multifunctional travel limit switch used by the cover opening device mainly realizes the control of the travel through the memory cam, and after the memory cam is influenced by vibration for a long time, the travel memory function of the memory cam fails, so that the cover opening device cannot be protected by the multifunctional travel limit switch, and a cover opening motor is burnt out due to overload and the cover opening device is pulled out.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a touch type position-limiting protective cover opening device, which can overcome the disadvantages of the prior art.
The purpose of the utility model is realized by the following technical scheme:
a touch type limiting protection cover opening device comprises a support, wherein a lifting mechanism is arranged in the support, a driving device used for controlling the movement of the lifting mechanism is arranged below the lifting mechanism, and a cover opening arm connected with the lifting mechanism is arranged above the lifting mechanism; an upper travel control switch and a lower travel control switch which are opposite in position are arranged on one side of the bracket, the two switches are electrically connected with the driving device, and a travel touch rod connected with the lifting mechanism is arranged between the two switches.
The lifting mechanism is a screw rod transmission mechanism.
The screw rod transmission mechanism comprises an outer barrel fixedly connected to the support, an inner barrel is sleeved in the outer barrel, the top end of the inner barrel is connected with the cover opening arm, a screw sleeve and a screw rod in threaded connection with the screw sleeve are arranged at the lower end of the inner barrel, and the screw rod is connected with the driving device.
And a guide sleeve for ensuring the lifting stability of the inner barrel is arranged between the outer barrel and the inner barrel, and the two guide sleeves are arranged at the upper end and the lower end of the inner barrel.
The stroke limiting hole is formed in the outer barrel, the stroke touch rod penetrates through the stroke limiting hole, one end of the stroke touch rod is connected with the inner barrel, and the other end of the stroke touch rod extends to a position between the upper stroke control switch and the lower stroke control switch.
The stroke touch rod is a screw or a threaded rod, penetrates through the stroke limiting hole in the outer cylinder and is in threaded connection with the inner cylinder.
The driving device comprises a driving motor and an electric control system electrically connected with the driving motor, and the driving motor is connected with the lifting mechanism through a turbine speed reducer.
Compared with the prior art, the touch type limiting protection cover opening device disclosed by the utility model comprises a support, wherein a lifting mechanism is arranged in the support, a driving device used for controlling the movement of the lifting mechanism is arranged below the lifting mechanism, and a cover opening arm connected with the lifting mechanism is arranged above the lifting mechanism; an upper travel control switch and a lower travel control switch which are opposite in position are arranged on one side of the bracket, the two switches are electrically connected with the driving device, and a travel touch rod connected with the lifting mechanism is arranged between the two switches. The drive device controls the lifting mechanism to move, the cover opening arm is driven to move up and down, the cover opening and closing functions are realized, meanwhile, the cover opening arm realizes stroke control through the upper stroke limit switch and the lower stroke limit switch in the up-and-down movement process, after the stroke touch rod contacts the upper stroke limit switch or the lower stroke limit switch, the stroke limit switch transmits a received electric signal to the drive device, the cover opening arm only normally opens and closes the cover in a stroke range, and the stroke protection effect of the cover opening device is realized.
The utility model has the beneficial effects that:
the utility model has the advantages of simple structure, low cost, sensitive stroke protection response, high control precision of cover opening stroke, difficult vibration interference, effective solving of the problems of motor overload damage, cover opening device failure and the like caused by overtravel, high operation reliability and safety, convenient maintenance and strong practicability.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic front view of fig. 1.
Fig. 3 is a schematic view of the cross-sectional structure a-a in fig. 2.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are illustrative of the utility model only and are not limiting upon the scope of the utility model.
As shown in figures 1-3 of the drawings,
the utility model discloses a touch type limiting protection cover opening device which comprises a support 1, wherein a lifting mechanism 2 is arranged in the support 1, a driving device 3 used for controlling the movement of the lifting mechanism 2 is arranged below the lifting mechanism 1, and a cover opening arm 4 connected with the lifting mechanism 2 is arranged above the lifting mechanism; an upper travel control switch 5 and a lower travel control switch 6 which are opposite in position are arranged on one side of the bracket 1, the two switches are electrically connected with the driving device 3, and a travel touch rod 7 connected with the lifting mechanism 2 is arranged between the two switches.
The lifting mechanism 2 is a screw rod transmission mechanism.
The screw rod transmission mechanism comprises an outer cylinder 201 fixedly connected to the support 1, an inner cylinder 202 is sleeved in the outer cylinder 201, the top end of the inner cylinder 202 is connected with the cover opening arm 4, a screw sleeve 203 and a screw rod 204 in threaded connection with the screw sleeve 203 are arranged at the lower end of the inner cylinder 202, and the screw rod 204 is connected with the driving device 3.
A guide sleeve 205 for ensuring the lifting stability of the inner cylinder 202 is arranged between the outer cylinder 201 and the inner cylinder 202, and the two guide sleeves 205 are arranged at the upper end and the lower end of the inner cylinder 202.
The driving device 3 comprises a driving motor 301 and an electric control system 302 electrically connected with the driving motor 301, and the driving motor 301 is connected with a screw rod 304 through a turbine speed reducer 303.
A stroke limiting hole 206 is formed in the outer cylinder 201, the stroke touch rod 7 penetrates through the stroke limiting hole 206, one end of the stroke touch rod is connected with the inner cylinder 202, and the other end of the stroke touch rod extends to a position between the upper stroke control switch 5 and the lower stroke control switch 6.
The stroke touch rod 7 is a screw or a threaded rod, passes through the stroke limiting hole 206 on the outer cylinder 201, and is screwed with the inner cylinder 202.
The working principle is as follows:
the driving device 3 converts circular motion into linear telemotion through the lead screw transmission mechanism 2, pushes the inner cylinder 202 and the cover opening arm 4 to move up and down together, so as to realize the functions of opening and closing the cover, realizes the stroke control of the up and down motion of the inner cylinder 202 and the cover opening arm 4 through the upper stroke limit switch 5 and the lower stroke limit switch 6, and particularly, after the stroke touch rod 7 contacts the upper stroke limit switch 5 or the lower stroke limit switch 6, the stroke limit switch transmits a received electric signal to the electric control system 302, and the electric control system 302 sends a control command to the driving motor 301, so that the cover can be normally opened and closed only in a stroke range, and finally, the stroke protection of the cover opening device is realized; meanwhile, an overload protection device is arranged in the electric control system 302 for the driving motor 301, so that a double protection effect is achieved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention without departing from the technical spirit of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a spacing protection of touching formula device of opening, includes support (1), its characterized in that: a lifting mechanism (2) is arranged in the bracket (1), a driving device (3) used for controlling the movement of the lifting mechanism (2) is arranged below the bracket, and a cover opening arm (4) connected with the lifting mechanism (2) is arranged above the bracket; an upper travel control switch (5) and a lower travel control switch (6) which are opposite in position are arranged on one side of the bracket (1), the two switches are electrically connected with the driving device (3), and a travel touch rod (7) connected with the lifting mechanism (2) is arranged between the two switches.
2. The touch type limit protection cover opening device according to claim 1, wherein: the lifting mechanism (2) is a screw rod transmission mechanism.
3. The touch type limit protection cover opening device according to claim 2, wherein: the screw rod transmission mechanism comprises an outer cylinder body (201) fixedly connected to the support (1), an inner cylinder body (202) is sleeved in the outer cylinder body (201), the top end of the inner cylinder body (202) is connected with the cover opening arm (4), a screw sleeve (203) and a screw rod (204) in threaded connection with the screw sleeve (203) are arranged at the lower end of the inner cylinder body (202), and the screw rod (204) is connected with the driving device (3).
4. The touch type limit protection cover opening device according to claim 3, wherein: be equipped with uide bushing (205) of barrel (202) lift stability in guaranteeing between outer barrel (201) and interior barrel (202), uide bushing (205) are two settings including barrel (202) upper and lower both ends.
5. The touch type limit protection cover opening device according to claim 4, wherein: the outer cylinder body (201) is provided with a stroke limiting hole (206), the stroke touch rod (7) penetrates through the stroke limiting hole (206), one end of the stroke touch rod is connected with the inner cylinder body (202), and the other end of the stroke touch rod extends to a position between the upper stroke control switch (5) and the lower stroke control switch (6).
6. The touch type limit protection cover opening device according to claim 5, wherein: the stroke touch rod (7) is a screw or a threaded rod, penetrates through a stroke limiting hole (206) in the outer cylinder body (201), and is in threaded connection with the inner cylinder body (202).
7. The touch type limit protection cover opening device according to any one of claims 1 to 6, wherein: the driving device (3) comprises a driving motor (301) and an electric control system (302) electrically connected with the driving motor, and the driving motor (301) is connected with the lifting mechanism (2) through a turbine speed reducer (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122912938.9U CN216322543U (en) | 2021-11-25 | 2021-11-25 | Touch type limiting protection cover opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122912938.9U CN216322543U (en) | 2021-11-25 | 2021-11-25 | Touch type limiting protection cover opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216322543U true CN216322543U (en) | 2022-04-19 |
Family
ID=81153547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122912938.9U Active CN216322543U (en) | 2021-11-25 | 2021-11-25 | Touch type limiting protection cover opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216322543U (en) |
-
2021
- 2021-11-25 CN CN202122912938.9U patent/CN216322543U/en active Active
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