CN210710217U - Flat-bed anti-sliding device of car elevator - Google Patents
Flat-bed anti-sliding device of car elevator Download PDFInfo
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- CN210710217U CN210710217U CN201921186435.4U CN201921186435U CN210710217U CN 210710217 U CN210710217 U CN 210710217U CN 201921186435 U CN201921186435 U CN 201921186435U CN 210710217 U CN210710217 U CN 210710217U
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- car elevator
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- clamping
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Abstract
The utility model discloses a flat bed of car elevator prevents swift current mobile device belongs to elevator technical field. The utility model provides a car elevator's flat bed prevents swift current mobile device, including wheel body and the main shaft of being connected with the reducing gear box, the utility model discloses a main shaft middle part outside that is connected at wheel body and reducing gear box sets up anti-skidding mechanism, utilize the rotational speed detector in the axle sleeve, whether detect the main shaft and rotate and exist unusually, when unusual circumstances, through the operation of external controller drive hydraulic cylinder, make the pneumatic cylinder piston rod at the in-process that stretches out, will promote two driving arms and be the splayed and open, thereby make its upper end be close to gradually, and then promote the arm lock and slide in the fixing base, make its inner clamp splice press from both sides tightly the locking to the main shaft, avoid the unusual rotation of main shaft, thereby play and prevent the gliding purpose of driving.
Description
Technical Field
The utility model relates to an elevator technical field, more specifically say, relate to a flat bed of car elevator prevents swift current mobile device.
Background
The principle of the elevator in the elevator car is a pulley block, and the two ends of the pulley are respectively hung on the elevator car and the counterweight through steel wire ropes. The elevator with the lift car is used by driving a traction sheave to rotate by a motor to drive a steel wire rope to move, so that the positions of the lift car and a counterweight are driven to change. The traction wheel is made into a wheel ring type and is connected with the wheel cylinder by a hinged bolt, and the shaft of the traction wheel is the worm wheel shaft in the reduction box. Patent document with publication number CN201721125486.7 in the prior art provides a flat floor anti-slip device for a car elevator, which is provided with a fixing plate, a moving plate, a baffle, a traction sheave, a lead screw, a motor, a rotating shaft, a bearing, a first brake disc seat, a first brake disc, a second brake disc and a second brake disc seat. Although the device has more beneficial effects, the following problems still exist: the existing traction sheave anti-skid and slip-limiting device is complex in structure, inconvenient to overhaul and still has an improved space for braking capacity. In view of this, we propose a flat floor anti-slip device for a car elevator.
Through comparison, the technical scheme of the patent publication is greatly different from that of the patent application.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The utility model aims at providing a flat bed of car elevator prevents swift current mobile device to solve the problem that proposes in the above-mentioned background art.
2. Technical scheme
A flat-layer anti-sliding device of a car elevator comprises a wheel body and a main shaft connected with a reduction gearbox, wherein an anti-sliding mechanism is arranged on the outer side of the middle of the main shaft and comprises a fixed seat, a shaft sleeve is welded on the outer side of the fixed seat, the shaft sleeve is sleeved on the outer side of the middle of the main shaft, and a rotating speed detector is arranged in the hole diameter of the shaft sleeve;
the fixing base is of a U-shaped structure, an installation cavity is formed in the fixing base, and an emergency braking assembly is arranged in the installation cavity.
Preferably, the emergency braking subassembly is including setting up in the pneumatic cylinder of the inboard lower part of installation cavity, pneumatic cylinder both sides tip symmetry is provided with two transmission arms, the transmission arm is special-shaped Y type structure, just the side support arm passes through round pin axle and is connected with the pneumatic cylinder tip rotation under the transmission arm.
Preferably, the middle parts of the transmission arms are rotatably connected with the inner wall of the installation cavity through connecting rods, guide pillars are arranged between the middle parts of the transmission arms, the guide pillars are fixedly arranged in the installation cavity, guide blocks are slidably connected to the outer sides of the guide pillars, and the end parts of the two sides of each guide block are rotatably connected with the inner ends of the support arms in the middle parts of the two transmission arms through hinged supports and rotating rods.
Preferably, the upper end of the transmission arm is rotatably connected with a clamping arm through a pin shaft, the inner end of the clamping arm penetrates through the inner wall of the installation cavity and extends to the outside and is fixedly connected with a clamping block, and the outer side of the middle part of the clamping arm is connected with an interlayer on the upper part of the fixing seat in a sliding mode through a sliding protrusion integrally formed with the clamping arm.
Preferably, the clamping block is of an arc-shaped block structure, a clamping groove matched with the spindle is formed in the inner side face of the clamping block, and the inner side of the clamping groove is in friction contact with the outer side of the spindle.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a main shaft middle part outside that is connected at wheel body and reducing gear box sets up anti-skidding mechanism, utilize the rotational speed detector in the axle sleeve, it is unusual whether to detect the main shaft rotation, when abnormal conditions, through the function of external controller drive hydraulic cylinder, make the hydraulic cylinder piston rod at the in-process that stretches out, will promote two drive arms and be the splayed and open, thereby make its upper end be close to gradually, and then promote the arm lock and slide in the fixing base, make the clamp splice of its inner press from both sides tight locking to the main shaft, avoid the unusual rotation of main shaft, thereby play and prevent the unusual gliding purpose of driving sheave.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention, which is disassembled, and the sectional structure of the fixing base;
fig. 3 is a schematic sectional view of the internal structure of the middle fixing base of the present invention.
The reference numbers in the figures illustrate: 1. a wheel body; 2. a main shaft; 3. an anti-slip mechanism; 301. a fixed seat; 302. a shaft sleeve; 303. a mounting cavity; 4. an emergency braking assembly; 401. a hydraulic cylinder; 402. a drive arm; 403. a guide post; 404. a guide block; 405. clamping arms; 406. a clamping block; 407. and (4) clamping the groove.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
Referring to fig. 1-3, the present invention provides a technical solution:
a flat-layer anti-slip device of a car elevator comprises a wheel body 1 and a main shaft 2 connected with a reduction gearbox, wherein an anti-slip mechanism 3 is arranged on the outer side of the middle of the main shaft 2, the anti-slip mechanism 3 comprises a fixed seat 301, a shaft sleeve 302 is welded on the outer side of the fixed seat 301, the shaft sleeve 302 is sleeved on the outer side of the middle of the main shaft 2, and a rotating speed detector is arranged in the hole diameter of the shaft sleeve 302;
The middle parts of the transmission arms 402 are rotatably connected with the inner wall of the installation cavity 303 through connecting rods, guide pillars 403 are arranged between the middle parts of the two transmission arms 402, the guide pillars 403 are fixedly arranged inside the installation cavity 303, guide blocks 404 are slidably connected to the outer sides of the guide pillars 403, and the end parts of the two sides of each guide block 404 are rotatably connected with the inner ends of the middle support arms of the two transmission arms 402 through hinged supports and rotating rods.
The upper end of the driving arm 402 is rotatably connected with a clamping arm 405 through a pin, the inner end of the clamping arm 405 penetrates through the inner wall of the installation cavity 303 to extend to the outside and is fixedly connected with a clamping block 406, and the outer side of the middle part of the clamping arm 405 is connected with an interlayer on the upper part of the fixed seat 301 in a sliding mode through a sliding protrusion integrally formed with the clamping arm 405.
The clamping block 406 is of an arc-shaped block structure, a clamping groove 407 matched with the spindle 2 is formed in the inner side face of the clamping block 406, and the inner side of the clamping groove 407 is in friction contact with the outer side of the spindle 2.
The utility model relates to a flat bed of car elevator prevents swift current mobile device because still there is the following problem among the prior art: the existing traction sheave anti-skid and slip-limiting device is complex in structure, inconvenient to overhaul and still has an improved space for braking capacity. Therefore, the antiskid mechanism 3 is arranged on the outer side of the middle of a main shaft 2, connected with a reduction gearbox, of a wheel body 1, the rotation speed detector in a shaft sleeve 302 is utilized to detect whether the main shaft rotates abnormally, when abnormal conditions exist, the hydraulic cylinder 401 is driven to operate through an external controller, so that the piston rod of the hydraulic cylinder 401 pushes the two transmission arms 402 to be splayed and opened in the extending process, the upper ends of the two transmission arms are gradually close to each other, the clamping arms 405 are further pushed to slide in the fixing seat 301, the clamping blocks 406 at the inner ends of the clamping arms clamp the main shaft 2 tightly, abnormal rotation of the main shaft 2 is avoided, and the purpose of preventing the traction wheel from sliding abnormally is achieved.
The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model. Furthermore, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. Several of the elements recited in the product claims may also be implemented by one element in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (5)
1. The utility model provides a flat bed of car elevator prevents swift current mobile device, includes wheel body (1) and main shaft (2) be connected with the reducing gear box, its characterized in that: the anti-skid mechanism (3) is arranged on the outer side of the middle of the main shaft (2), the anti-skid mechanism (3) comprises a fixed seat (301), a shaft sleeve (302) is welded on the outer side of the fixed seat (301), the shaft sleeve (302) is sleeved on the outer side of the middle of the main shaft (2), and a rotating speed detector is installed in the hole diameter of the shaft sleeve (302);
the fixing seat (301) is of a U-shaped structure, a mounting cavity (303) is formed in the fixing seat (301), and an emergency braking assembly (4) is arranged in the mounting cavity (303).
2. The flat floor anti-slip device of a car elevator according to claim 1, wherein: emergency braking subassembly (4) are including setting up in pneumatic cylinder (401) of inboard lower part of installation cavity (303), pneumatic cylinder (401) both sides tip symmetry is provided with two transmission arms (402), transmission arm (402) are special-shaped Y type structure, just transmission arm (402) downside support arm is connected through round pin axle and pneumatic cylinder (401) tip rotation.
3. The flat floor anti-slip device of a car elevator according to claim 2, wherein: the middle parts of the transmission arms (402) are rotatably connected with the inner wall of the installation cavity (303) through connecting rods, guide columns (403) are arranged between the middle parts of the transmission arms (402), the guide columns (403) are fixedly arranged in the installation cavity (303), guide blocks (404) are slidably connected to the outer sides of the guide columns (403), and the end parts of the two sides of each guide block (404) are rotatably connected with the inner ends of the middle support arms of the two transmission arms (402) through hinged supports and rotating rods.
4. The flat floor anti-slip device of a car elevator according to claim 3, wherein: the upper end of the transmission arm (402) is rotatably connected with a clamping arm (405) through a pin shaft, the inner end of the clamping arm (405) penetrates through the inner wall of the installation cavity (303) to extend to the outside and is fixedly connected with a clamping block (406), and the outer side of the middle part of the clamping arm (405) is connected with an upper interlayer of the fixed seat (301) in a sliding mode through a sliding protrusion integrally formed with the clamping arm.
5. The flat floor anti-slip device of a car elevator according to claim 4, wherein: the clamping block (406) is of an arc-shaped block structure, a clamping groove (407) matched with the spindle (2) is formed in the inner side face of the clamping block (406), and the inner side of the clamping groove (407) is in friction contact with the outer side of the spindle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186435.4U CN210710217U (en) | 2019-07-25 | 2019-07-25 | Flat-bed anti-sliding device of car elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921186435.4U CN210710217U (en) | 2019-07-25 | 2019-07-25 | Flat-bed anti-sliding device of car elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210710217U true CN210710217U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921186435.4U Active CN210710217U (en) | 2019-07-25 | 2019-07-25 | Flat-bed anti-sliding device of car elevator |
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| CN (1) | CN210710217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942094A (en) * | 2022-05-18 | 2022-08-26 | 广东省特种设备检测研究院（广东省特种设备事故调查中心） | Dynamic clamping force testing device and method for speed limiter |
-
2019
- 2019-07-25 CN CN201921186435.4U patent/CN210710217U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942094A (en) * | 2022-05-18 | 2022-08-26 | 广东省特种设备检测研究院（广东省特种设备事故调查中心） | Dynamic clamping force testing device and method for speed limiter |
| CN114942094B (en) * | 2022-05-18 | 2024-04-02 | 广东省特种设备检测研究院（广东省特种设备事故调查中心） | Dynamic clamping force testing device and testing method for speed limiter |
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