CN202745675U - Three-roller brake - Google Patents
Three-roller brake Download PDFInfo
- Publication number
- CN202745675U CN202745675U CN201220421556.4U CN201220421556U CN202745675U CN 202745675 U CN202745675 U CN 202745675U CN 201220421556 U CN201220421556 U CN 201220421556U CN 202745675 U CN202745675 U CN 202745675U
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- Prior art keywords
- main shaft
- support
- ratchet
- cam
- push rod
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- Expired - Lifetime
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Abstract
The utility model relates to a three-roller brake which comprises a shell body, a base, a main shaft, main shaft seats, a rotating tray, a brake rod, a locking mechanism and a damping mechanism. The main shaft is fixedly connected with the rotating tray, the brake rod is arranged on the periphery of the rotating tray, the main shaft is arranged on the main shaft seats, and the main shaft seats, the locking mechanism and the damping mechanism are arranged on the base. The shell body is covered on the main shaft, the locking mechanism and the damping mechanism. The shell body and the base from a box body, and the locking mechanism comprises a ratchet wheel assembly and electromagnetic switches. The damping mechanism comprises a cam and pressure devices with idler wheels, and ratchet wheels and the cam are respectively arranged on the main shaft. The three-roller brake is high in reliability, low in failure rate, simple in structure, low in manufacturing cost and high in safety due to the fact that in the process of power failure, passage smooth of an inlet and an outlet is guaranteed.
Description
Technical field
The utility model relates to a kind of channel unit, relates in particular to a kind of triroller gate.
Background technology
Mostly the roller brake gear of the flow of personnel of existing control and management access is to adopt the mechanical device such as clutch to realize locking and the opening of roller lock, and this equipment dependability is poor, fault rate is high, complex structure, cost of manufacture are high.
The utility model content
The purpose of this utility model is as overcoming the defective of prior art, and a kind of triroller gate is provided.
For achieving the above object, the utility model is by the following technical solutions: a kind of triroller gate, comprise housing, base, main shaft, spindle drum, rotating disk, restrictor bar, lockable mechanism, damping mechanism, main shaft is fixedly connected with rotating disk, and restrictor bar is located at the periphery of rotating disk, and main shaft is located on the spindle drum, spindle drum, lockable mechanism and damping mechanism are located on the base, housing covers on main shaft, lockable mechanism and the damping mechanism, forms casing with base, and described lockable mechanism comprises ratchet assembly and electromagnetic switch; Described damping mechanism comprises cam and with the pressure apparatus of roller, described ratchet and cam are located on the main shaft respectively.
The ratchet assembly of described lockable mechanism comprises two outer rim ratchets, described two ratchets are located on the main shaft, the ratchet of two ratchets is the rightabout setting, described electromagnetic switch comprises left and right two electromagnetic switch, be located on the left and right electromagnetic switch flexible column cap respectively with the ratchet clamping of two ratchets.
The ratchet of described ratchet is respectively three, on the evenly spaced outer rim of being located at ratchet.
Described damping mechanism comprises two with the pressure apparatus of roller, and described cam is disc cam, the be placed in arranged on left and right sides of cam of described pressure apparatus, the roller of described pressure apparatus respectively with the cam pressure contact.
Described cam outward flange is provided with three place's dome arcs.
Described left side pressure apparatus comprises left pedestal, is located at oil pressure pump, oil pressure pump support, connecting rod and roller in the left pedestal, and oil pressure pump, connecting rod and roller connect successively, and oil pressure pump is fixed on the oil pressure pump support; Described right atrial pressure device comprises right pedestal, is located at spring, spring support, connecting rod and roller in the right pedestal, and spring, connecting rod and roller connect successively, and spring is located on the spring support.
Described restrictor bar and rotating disk are hinged, also are provided with the locking shifting block, the convex ridge clamping that described locking shifting block and restrictor bar end are provided with in the indentation, there of rotating disk; Also be provided with elastic reset spare on rotating disk, described elastic reset spare is fixed in the front end of main shaft, is located at the terminal middle part of inserting the locking shifting block of shell fragment section on the elastic reset spare.
Described elastic reset spare comprises circular substrate section and even three strip shell fragment sections spaced apart in circular substrate section.
Also connect a loss protecting mechanism on the forward spindle seat in the described spindle drum; described loss protecting mechanism comprises support; electromagnetic valve; the ferromagnetic metal dish; two push rods; push rod junction plate and first; the second spring part; described electromagnetic valve is located at the rear end of support; the front end of two push rods is connected by the push rod junction plate; the push rod junction plate places the top of locking shifting block; described push rod is fixedly connected with the ferromagnetic metal dish after passing the through hole of front vertical plate of support; sheathed the first spring part of push rod section between the front vertical plate of push rod junction plate and support; be arranged with the second spring part at the front vertical plate of support and the push rod section between the ferromagnetic metal dish; the elastic force of the first spring part is greater than the elastic force of the second spring part, and the rear end of push rod places in the through hole of back vertical plate of support.
The utility model beneficial effect compared with prior art is: 1) high, the failure rate is low of reliability, simple in structure, cost of manufacture is low; 2) can guarantee the current unimpeded, safe of access during power down.
Description of drawings
Fig. 1 is perspective view of the present utility model (its middle shell is not shown);
Fig. 2 is axial arrangement schematic diagram of the present utility model (its middle shell is not shown);
Fig. 3 is left side of the present utility model pressure apparatus structural representation;
Fig. 4 is right atrial pressure apparatus structure schematic diagram of the present utility model;
Fig. 5 is elastic reset spare structural representation of the present utility model;
Fig. 6 is the structural representation of restrictor bar in the utility model normal operating conditions, locking shifting block and loss protecting mechanism;
Fig. 7 is the structural representation of restrictor bar in the utility model power-down state, locking shifting block and loss protecting mechanism;
The specific embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment the technical solution of the utility model is further introduced and explanation.
As shown in Figure 1, be perspective view of the present utility model; As shown in Figure 2, be axial arrangement schematic diagram of the present utility model (its middle shell is not shown), comprise housing, base 1, main shaft 2, spindle drum 31,32, rotating disk 4, restrictor bar 5, lockable mechanism, damping mechanism, main shaft 2 is fixedly connected with rotating disk 4, restrictor bar 5 is located on the periphery of rotating disk 4, and main shaft 2 is located on the spindle drum 31,32, and spindle drum 31,32, lockable mechanism and damping mechanism are located on the base 1, housing covers on main shaft 2, lockable mechanism and the damping mechanism, forms casing with base 1.Described lockable mechanism comprises ratchet assembly 60 and electromagnetic switch, the ratchet assembly 60 of described lockable mechanism comprises two outer rim ratchets 61,62, described two ratchets 61,62 are located on the main shaft 2, two ratchets 61,62 ratchet 611,621 are rightabout, be located on the main shaft 2, described electromagnetic switch comprises left and right two electromagnetic switch 63,64, be located on the left and right electromagnetic switch 63,64 flexible column cap 631,641 respectively with two ratchets 61,62 ratchet 611,621 clampings.Described damping mechanism comprises cam 71 and with the pressure apparatus 72,73 of roller, described ratchet 61,62 and cam 71 be located at respectively on the main shaft 2.Left or right two electromagnetic switch 63 of open and close, 64 can realize the current of left and right two different directions.
Concrete, described ratchet 61,62 ratchet 611,621 are respectively three, evenly spaced being located on ratchet 61,62 the outer rim.
Concrete, described damping mechanism comprises two with the pressure apparatus 72,73 of roller, described cam 71 is disc cam, the be placed in arranged on left and right sides of cam 71 of described pressure apparatus 72,73, described pressure apparatus 72,73 roller 721,731 respectively with cam 71 pressure contacts, when main shaft 2 rotates, form resistance, make main shaft 2 velocities of rotation even, constant.
Further, described cam 71 outward flanges are provided with three place's dome arcs.
Further, as shown in Figure 3, be left side of the present utility model pressure apparatus structural representation; As shown in Figure 4, be right atrial pressure apparatus structure schematic diagram of the present utility model, described left side pressure apparatus 73 comprises left pedestal 735, is located at oil pressure pump 732, oil pressure pump support 733, connecting rod 734 and roller 731 in the left pedestal 735, oil pressure pump 732, connecting rod 734 and roller 731 connect successively, and oil pressure pump 732 is fixed on the oil pressure pump support 733; Described right atrial pressure device 72 comprises right pedestal 725, is located at spring 722, spring support 723, connecting rod 724 and roller 721 in the right pedestal 725, and spring 722, connecting rod 724 and roller 721 connect successively, and spring 722 is located on the spring support 723.
Concrete, as shown in Figure 5, be elastic reset spare structural representation of the present utility model; As shown in Figure 6, be the structural representation of restrictor bar, locking shifting block and loss protecting mechanism in the utility model normal operating conditions; As shown in Figure 7, structural representation for restrictor bar, locking shifting block and loss protecting mechanism in the utility model power-down state, described restrictor bar 5 is hinged with rotating disk 4, also is provided with locking shifting block 8 in the indentation, there of rotating disk 4, convex ridge 51 clampings that described locking shifting block 8 and restrictor bar 5 ends are provided with; Also be provided with elastic reset spare 9 on rotating disk 4, described elastic reset spare 9 is fixed in the front end of main shaft 2, is located at the shell fragment section 91 terminal middle parts of inserting locking shifting block 8 on the elastic reset spare 9.
Further, described elastic reset spare 9 comprises circular substrate section 92 and even three strip shell fragment sections 91 spaced apart in circular substrate section 92.
Further; also connect a loss protecting mechanism on the forward spindle seat in the described spindle drum; described loss protecting mechanism comprises support 10; electromagnetic valve 102; ferromagnetic metal dish 103; two push rods 104; push rod junction plate 105 and spring part 106; 107; described electromagnetic valve 102 is located at the rear end of support 10; the front end of two push rods 104 is connected by push rod junction plate 105; push rod junction plate 105 places the top of locking shifting block 8; described push rod 104 is fixedly connected with ferromagnetic metal dish 103 after passing the through hole of front vertical plate 1012 of support 10; sheathed the first spring part 107 of push rod section between the front vertical plate 1012 of push rod junction plate 105 and support 10; front vertical plate 1012 and the push rod section between the ferromagnetic metal dish 103 at support 10 are arranged with the second spring part 106; the elastic force of the first spring part 107 is greater than the elastic force of the second spring part 106, and the rear end of push rod 104 places in the through hole of back vertical plate 1011 of support 10.Electromagnetic valve 102 adhesive ferromagnetic metal dishes 103 under "on" position, under power-down state, electromagnetic valve 102 loses magnetic force, the elastic force of cause the first spring part 107 is greater than the elastic force of the second spring part 106, push rod 104 is released forward, promotes 8 rotations of locking shifting block, makes locking shifting block 8 break away from the convex ridge 51 of restrictor bar 5 ends, the restrictor bar 5 that blocks on passage falls down, and the pedestrian can be freely, safe passing.
The above only further specifies technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent embodiment of the present utility model and only limit to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.
Claims (9)
1. triroller gate, comprise housing, base, main shaft, spindle drum, rotating disk, restrictor bar, lockable mechanism, damping mechanism, main shaft is fixedly connected with rotating disk, restrictor bar is located at the periphery of rotating disk, main shaft is located on the spindle drum, and spindle drum, lockable mechanism and damping mechanism are located on the base, and housing covers on main shaft, lockable mechanism and the damping mechanism, form casing with base, it is characterized in that: described lockable mechanism comprises ratchet assembly and electromagnetic switch; Described damping mechanism comprises cam and with the pressure apparatus of roller, described ratchet and cam are located on the main shaft respectively.
2. triroller gate according to claim 1, it is characterized in that: the ratchet assembly of described lockable mechanism comprises two outer rim ratchets, described two ratchets are located on the main shaft, the ratchet of two ratchets is the rightabout setting, described electromagnetic switch comprises left and right two electromagnetic switch, be located on the left and right electromagnetic switch flexible column cap respectively with the ratchet clamping of two ratchets.
3. triroller gate according to claim 2, it is characterized in that: the ratchet of described ratchet is respectively three, on the evenly spaced outer rim of being located at ratchet.
4. triroller gate according to claim 1, it is characterized in that: described damping mechanism comprises two with the pressure apparatus of roller, described cam is disc cam, the be placed in arranged on left and right sides of cam of described pressure apparatus, the roller of described pressure apparatus respectively with the cam pressure contact.
5. triroller gate according to claim 4, it is characterized in that: described cam outward flange is provided with three place's dome arcs.
6. triroller gate according to claim 4, it is characterized in that: described left side pressure apparatus comprises left pedestal, is located at oil pressure pump, oil pressure pump support, connecting rod and roller in the left pedestal, oil pressure pump, connecting rod and roller connect successively, and oil pressure pump is fixed on the oil pressure pump support; Described right atrial pressure device comprises right pedestal, is located at spring, spring support, connecting rod and roller in the right pedestal, and spring, connecting rod and roller connect successively, and spring is located on the spring support.
7. triroller gate according to claim 1, it is characterized in that: described restrictor bar and rotating disk are hinged, also are provided with the locking shifting block, the convex ridge clamping that described locking shifting block and restrictor bar end are provided with in the indentation, there of rotating disk; Also be provided with elastic reset spare on rotating disk, described elastic reset spare is fixed in the front end of main shaft, is located at the terminal middle part of inserting the locking shifting block of shell fragment section on the elastic reset spare.
8. triroller gate according to claim 7 is characterized in that: described elastic reset spare comprises circular substrate section and even three strip shell fragment sections spaced apart in circular substrate section.
9. triroller gate according to claim 7; it is characterized in that: also connect a loss protecting mechanism on the forward spindle seat in the described spindle drum; described loss protecting mechanism comprises support; electromagnetic valve; the ferromagnetic metal dish; two push rods; push rod junction plate and first; the second spring part; described electromagnetic valve is located at the rear end of support; the front end of two push rods is connected by the push rod junction plate; the push rod junction plate places the top of locking shifting block; described push rod is fixedly connected with the ferromagnetic metal dish after passing the through hole of front vertical plate of support; sheathed the first spring part of push rod section between the front vertical plate of push rod junction plate and support; be arranged with the second spring part at the front vertical plate of support and the push rod section between the ferromagnetic metal dish; the elastic force of the first spring part is greater than the elastic force of the second spring part, and the rear end of push rod places in the through hole of back vertical plate of support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220421556.4U CN202745675U (en) | 2012-08-23 | 2012-08-23 | Three-roller brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220421556.4U CN202745675U (en) | 2012-08-23 | 2012-08-23 | Three-roller brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202745675U true CN202745675U (en) | 2013-02-20 |
Family
ID=47705092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220421556.4U Expired - Lifetime CN202745675U (en) | 2012-08-23 | 2012-08-23 | Three-roller brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202745675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794858A (en) * | 2017-10-16 | 2018-03-13 | 平步青 | It is a kind of that the intelligent apparatus for checking tickets that current prevention is stolen a ride is easy to based on Internet of Things |
-
2012
- 2012-08-23 CN CN201220421556.4U patent/CN202745675U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794858A (en) * | 2017-10-16 | 2018-03-13 | 平步青 | It is a kind of that the intelligent apparatus for checking tickets that current prevention is stolen a ride is easy to based on Internet of Things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |