CN215107192U - Gear type anti-falling device - Google Patents
Gear type anti-falling device Download PDFInfo
- Publication number
- CN215107192U CN215107192U CN202121404764.9U CN202121404764U CN215107192U CN 215107192 U CN215107192 U CN 215107192U CN 202121404764 U CN202121404764 U CN 202121404764U CN 215107192 U CN215107192 U CN 215107192U
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- falling
- falling device
- ratchet mechanism
- wall
- pin shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000009194 climbing Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model discloses a gear type anti-falling device, which is used for safety protection, and relates to the technical field of anti-falling devices of scaffolds; the anti-falling device comprises a wall-attached seat, an anti-falling device and an anti-falling device, wherein the outer side of the end part of the wall-attached seat is connected with the anti-falling device, the inner side of the wall-attached seat is provided with the anti-falling device, the anti-falling device comprises an extension spring, a hexagonal fluted disc, a main gear, a transmission shaft, a pinion, a first pin shaft, a ratchet mechanism, a second pin shaft, an anti-falling clamping block and an anti-falling baffle, the hexagonal fluted disc is sleeved in the middle of the transmission shaft, the main gear is connected with the wall-attached seat after being sleeved at two ends of the transmission shaft respectively, the main gear is meshed with the pinion, the pinion is connected with the wall-attached seat through the first pin shaft sleeved with the ratchet mechanism, the ratchet mechanism is matched with the anti-falling clamping block, the anti-falling clamping block is connected with the wall-attached seat through the second pin shaft, the bottom of the extension spring is connected with the extension spring, and the top of the anti-falling clamping block is in limit contact with the anti-falling baffle; the utility model discloses have multiple guarantee, safe and reliable.
Description
Technical Field
The utility model provides a gear formula anti-falling device for safety protection, the utility model relates to a scaffold frame's anti-falling device technical field.
Background
An attached lifting scaffold (a climbing frame for short) is an auxiliary construction external scaffold which is used for protecting the external elevation of building structure construction and decoration construction, and is used for performing external wall decoration operation by attaching a scaffold with a certain height to beams, shear walls and plates on the periphery of a building structure and utilizing a tower crane to remove or descend after climbing to the structure capping layer by layer along with the construction of an engineering structure by self lifting equipment; it can climb up or down along the building; as the climbing frame belongs to high-altitude operation, the protection measure aiming at the climbing frame is very important, and plays a great role in protecting the personal safety of operators; the climbing frame is generally vertically lifted or lowered, so that the most important protection for the climbing frame is to prevent the climbing frame from falling.
For the anti-falling of the climbing frame, the prior art has more researches, for example, CN111119465A discloses an attached anti-falling device for the climbing frame, which comprises an anti-falling frame and a frame body, wherein the anti-falling frame is connected with the frame body in a sliding manner, a cross beam fixedly connected with the anti-falling frame is arranged in the anti-falling frame, a movably connected anti-falling device is arranged below the cross beam, the anti-falling device is positioned at the front side of the cross beam, and the anti-falling device is movably connected with the frame body; although the prior art solves some technical problems, the structure is still complex, the operation is complex, and the anti-falling fixing performance is poor, so a new technical scheme is needed to solve the problem so as to better provide guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: provides a gear type anti-falling device with safety, reliability and strong locking performance.
The utility model adopts the technical scheme as follows: a gear type anti-falling device comprises a wall-attached base, an anti-falling device and an anti-falling device, wherein the outer side of the end part of the wall-attached base is connected with the anti-falling device, the inner side of the end part is provided with the anti-falling device, the anti-falling device comprises an extension spring, a hexagonal fluted disc, a main gear, a transmission shaft, a pinion, a first pin shaft, a ratchet mechanism, a second pin shaft, an anti-falling clamping block and an anti-falling baffle plate, the middle part of the transmission shaft is sleeved with a hexagonal fluted disc, two ends of the transmission shaft are respectively sleeved with a main gear and then are connected with a bearing assembly attached to the wall base, the main gear is meshed with a pinion, the pinion is connected with a bearing assembly of the wall attaching seat through a first pin shaft, the first pin shaft is also sleeved with a ratchet mechanism, the ratchet mechanism is matched with the anti-falling clamping block, the anti-falling clamping block is connected with the wall attaching seat through a second pin shaft, the bottom of the anti-falling clamping block is connected with an extension spring arranged on the wall attaching seat, and the top of the anti-falling clamping block is in limit contact with an anti-falling baffle arranged on the wall attaching seat.
Attach the wall seat including the bottom plate, attach arm part, waist groove, the bottom plate with attach the arm part and be connected to be about the structure and be provided with two waist grooves, attach the arm part setting and be perpendicular triangle-shaped structure, the top that should attach the arm part is provided with the protective housing, attach 2M 30 wall screw rod connections about wall seat and the building structure (wall, roof beam) adopt, the dead weight load and the construction load of support body pass through the guide rail and transmit to attaching the wall seat on, transmit again and carry out the off-load on the building structure, the setting of protective housing can prevent that the rubble from getting into the safety hook, extension safety hook's life.
The utility model discloses a guide rail anti-tilt device, including anti-tilt device, anti-tilt guide pulley, spacing guide pulley, mounting panel, the angle sign indicating number board symmetry is provided with two, and the inboard both ends of angle sign indicating number board are provided with respectively prevents the guide pulley, and the inboard middle part is provided with spacing guide pulley through the mounting panel of perpendicular connection, the outside interval of angle sign indicating number board is provided with the reinforcing plate, and setting up of reinforcing plate makes the structure more stable, prevents that the setting of guide pulley, spacing guide pulley can effectively prevent around the guide rail, control the slope.
The cross section of the angle code plate is a T-shaped or L-shaped plate, and different angle code plates can be selected according to requirements.
Two free edges of the auxiliary arm part are respectively provided with U-shaped channel steel, so that the structure is more stable, the service life is longer, and the safety is higher.
A plurality of pressure springs are arranged in the ratchet mechanism, and each ratchet of the ratchet mechanism is respectively connected with the pressure springs; when the anti-falling clamping block is fixedly arranged, a pressure spring is arranged in each ratchet of the ratchet mechanism, the ratchet is compressed when passing through the anti-falling clamping block, and if the ratchet rotates reversely suddenly, the ratchet is blocked.
The outer sides of the main gear, the pinion, the first pin shaft, the ratchet mechanism, the second pin shaft and the anti-falling clamping block are provided with a closed cover, the main gear, the pinion, the ratchet mechanism and the anti-falling clamping block are closed in a cavity of the closed cover by the closed cover, grease is injected into the cavity, and the anti-falling clamping block is dustproof, waterproof and basically maintenance-free.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a hexagonal fluted disc form, every fluted disc can independently trigger and prevent weighing down, and every gear of ratchet mechanism, tooth's socket all have and prevent weighing down the effect, and the transmission adopts gear mechanism, belongs to high-efficient drive mechanism, and it triggers the feedback in time, even trigger failure for the first time, still can trigger next time, has multiple guarantee.
The utility model discloses ratchet mechanism, prevent weighing down fixture block, gear mechanism, hexagonal fluted disc etc. all have independent protection housing, accomplish non-maintaining basically, and be applicable to the construction adverse circumstances completely.
The utility model discloses a mechanical gear drive mechanism can will attach narrow and small space make full use of in the wall seat.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention with the cover removed and the left side arm attached;
fig. 3 is a schematic top view of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 is a schematic sectional view of the present invention in D-D;
FIG. 6 is a schematic cross-sectional view of the utility model E-E;
FIG. 7 is a schematic diagram of the ascending operation condition change of the present invention;
FIG. 8 is a schematic view of the present invention showing the variation of descending operation conditions;
fig. 9 is a schematic diagram of the change of the falling working condition of the utility model;
labeled as: 1-wall-attached seat, 2-falling protector, 3-anti-tilting device, 11-bottom plate, 12-arm-attached component, 13-waist groove, 20-extension spring, 21-hexagonal fluted disc, 22-main gear, 23-transmission shaft, 24-pinion, 25-first pin shaft, 26-ratchet mechanism, 27-second pin shaft, 28-anti-falling fixture block, 29-anti-falling baffle, 31-angle code plate, 32-reinforcing plate, 33-anti-tilting guide wheel, 34-limiting guide wheel and 35-mounting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-9, a gear type anti-falling device comprises a wall-attached base 1, an anti-falling device 2 and an anti-falling device 3, wherein the outer side of the end portion of the wall-attached base 1 is connected with the anti-falling device 3, the inner side of the end portion is provided with the anti-falling device 2, the anti-falling device 2 comprises a tension spring 20, a hexagonal fluted disc 21, a main gear 22, a transmission shaft 23, a pinion 24, a first pin shaft 25, a ratchet mechanism 26, a second pin shaft 27, an anti-falling fixture block 28 and an anti-falling baffle 29, the hexagonal fluted disc 21 is sleeved on the middle portion of the transmission shaft 23, the main gear 22 is respectively connected with a bearing assembly of the wall-attached base 1 after being sleeved on the two ends, the main gear 22 is meshed with the pinion 24, the pinion 24 is connected with the bearing assembly of the wall-attached base 1 through the first pin shaft 25, the ratchet mechanism 26 is further sleeved on the first pin shaft 25, the ratchet mechanism 26 is matched with the anti-falling fixture block 28, the anti-falling fixture block 28 is connected with the wall-attached base 1 through the second pin shaft 27, the bottom of the anti-falling baffle plate is connected with an extension spring 20 arranged on the wall-attached base 1, and the top of the anti-falling baffle plate is in limit contact with an anti-falling baffle plate 29 arranged on the wall-attached base 1.
The utility model discloses a theory of operation does: the utility model discloses attach wall seat 1 and building structure (wall, roof beam) and adopt 2M 30 wall screws to connect from top to bottom, the dead weight load and the construction load of the support body are transmitted to attach wall seat 1 through the guide rail, then transmitted to the building structure to carry out the off-load; the anti-falling device 2 comprises a hexagonal fluted disc 21, a main gear 22, a pinion 24, a ratchet mechanism 26, an anti-falling fixture block 28, a transmission shaft 23, a first pin shaft 25, a second pin shaft 27, a bearing assembly and the like; the anti-falling device 2 is arranged between the left and right auxiliary arm parts 12 of the auxiliary wall base 1 and is connected with the auxiliary wall base 1 through a transmission shaft 23, a first pin shaft 25, a second pin shaft 27 and a bearing assembly; the hexagonal fluted disc 21 is arranged on the transmission shaft 23, the main gear 22 is arranged on the left side and the right side, the main gear 22 is linked with the auxiliary gear 24, and then the ratchet mechanism 26 is driven to rotate, the ratchet mechanism 26 is matched with the anti-falling fixture block 28, the anti-falling fixture block 28 is connected with the extension spring 20, and the anti-falling fixture block 28 can be timely reset; the anti-tilting device 3 is arranged at the end parts of the left and right auxiliary arm parts 12 of the auxiliary wall base 1 and is connected by bolts, and the anti-tilting device 3 is provided with an anti-tilting guide wheel 33 and a limiting guide wheel 34.
The working principle is as follows:
when the frame body ascends, the guide rail block triggers the hexagonal fluted disc 21 to rotate around the transmission shaft 23, the main gear 22 is driven to drive the pinion 24 to rotate through gear transmission, and simultaneously the first pin shaft 25 is driven to move, the first pin shaft 25 drives the ratchet mechanism 26 to rotate, the ratchet mechanism 26 is linked with the anti-falling clamping block 28, and when the frame body suddenly descends, the anti-falling clamping block 28 is clamped in the tooth groove of the ratchet mechanism 26 due to the fact that the extension spring 20 cannot reset in time, and the anti-falling effect is achieved.
When the frame body descends, the frame body moves at a constant speed under the action of the driving mechanism, the guide rail block touches the hexagonal fluted disc 21 to rotate around the transmission shaft 23, the main gear 22 is driven to drive the pinion 24 to rotate through gear transmission, and simultaneously drives the first pin shaft 25 to move, the first pin shaft 25 drives the ratchet mechanism 26 to rotate, the ratchet mechanism 26 is linked with the anti-falling clamping block 28, and when the frame body descends suddenly, the anti-falling clamping block 28 is clamped in a tooth groove of the ratchet mechanism 26 due to the fact that the extension spring 20 cannot reset in time, and the anti-falling effect is achieved.
Example 2
On embodiment 1's basis, attach wall base 1 includes bottom plate 11, attaches arm part 12, waist groove 13, bottom plate 11 with attach arm part 12 and be connected to be about the structure be provided with two waist grooves 13, attach arm part 12 and set up and be perpendicular triangle-shaped structure, this top of attaching arm part 12 is provided with the protective housing, attach wall base 1 and building structure (wall, roof beam) and adopt 2M 30 to wear the wall screw rod to be connected, the dead weight load and the construction load of support body pass through the guide rail and transmit to attach wall base 1 on, transmit again and carry out the off-load on the building structure, the protective housing's setting can prevent that the garrulous stone gets into safety hook 2, extension safety hook 2's life.
Example 3
On the basis of embodiment 2, the anti-tilt device 3 includes angle code plate 31, reinforcing plate 32, anti-tilt guide wheel 33, spacing guide wheel 34, mounting panel 35, angle code plate 31 symmetry is provided with two, and the inboard both ends of angle code plate 31 are provided with anti-tilt guide wheel 33 respectively, and inboard middle part is provided with spacing guide wheel 34 through mounting panel 35 of perpendicular connection, the outside interval of angle code plate 31 is provided with reinforcing plate 32, and the setting of reinforcing plate 32 makes the structure more stable, and anti-tilt guide wheel 33, spacing guide wheel 34's setting can effectively prevent the guide rail front and back, control the slope.
Example 4
On the basis of embodiment 3, the cross section of the angle code plate 31 is a T-shaped or L-shaped plate, and different angle code plates 31 can be selected according to requirements.
Example 5
On the basis of embodiment 2, two free edges of the auxiliary arm part 12 are respectively provided with a U-shaped channel steel, so that the structure is more stable, the service life is longer, and the safety is higher.
Example 6
On the basis of embodiment 1, a plurality of pressure springs are arranged in the ratchet mechanism 26, and each ratchet of the ratchet mechanism 26 is connected with the pressure spring; when the anti-falling fixture block 28 is arranged to be fixed, a pressure spring is adopted in each ratchet tooth of the ratchet mechanism 26, and the ratchet tooth is compressed when passing through the anti-falling fixture block 28 and is blocked if suddenly reversed.
Example 7
On the basis of the embodiment 1, the outer sides of the main gear 22, the pinion 24, the first pin 25, the ratchet mechanism 26, the second pin 27 and the anti-falling fixture block 28 are provided with the sealing covers, the sealing covers seal the main gear 22, the pinion 24, the ratchet mechanism 26 and the anti-falling fixture block 28 in cavities of the sealing covers, and grease is injected into the cavities, so that the anti-falling safety device is dustproof and waterproof, and can be basically free of maintenance.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A gear type anti-falling device comprises a wall attaching base (1), an anti-falling device (2) and an anti-falling device (3), wherein the outer side of the end part of the wall attaching base (1) is connected with the anti-falling device (3), the inner side of the end part is provided with the anti-falling device (2), the anti-falling device (2) is characterized in that the anti-falling device (2) comprises a tension spring (20), a hexagonal fluted disc (21), a main gear (22), a transmission shaft (23), a pinion (24), a first pin shaft (25), a ratchet mechanism (26), a second pin shaft (27), an anti-falling clamping block (28) and an anti-falling baffle (29), the hexagonal fluted disc (21) is sleeved in the middle of the transmission shaft (23), the two ends of the anti-falling device are respectively sleeved with the main gear (22) and then connected with a bearing assembly of the wall attaching base (1), the main gear (22) is meshed with the pinion (24), the pinion (24) is connected with the bearing assembly of the wall attaching base (1) through the first pin shaft (25), the first pin shaft (25) is further sleeved with a ratchet mechanism (26), the ratchet mechanism (26) is matched with an anti-falling clamping block (28), the anti-falling clamping block (28) is connected with the wall attaching base (1) through a second pin shaft (27), the bottom of the anti-falling clamping block is connected with an extension spring (20) arranged on the wall attaching base (1), and the top of the anti-falling clamping block is in limit contact with an anti-falling baffle (29) arranged on the wall attaching base (1).
2. The gear type anti-falling device according to claim 1, wherein the wall-attached base (1) comprises a bottom plate (11), an arm-attached component (12) and a waist groove (13), the bottom plate (11) is connected with the arm-attached component (12), two waist grooves (13) are arranged in an up-and-down structure, the arm-attached component (12) is arranged in a vertical triangular structure, and a protective cover is arranged above the arm-attached component (12).
3. The gear type anti-falling device according to claim 2, wherein the anti-falling device (3) comprises two angle code plates (31), a reinforcing plate (32), an anti-falling guide wheel (33), a limiting guide wheel (34) and a mounting plate (35), the two angle code plates (31) are symmetrically arranged, the anti-falling guide wheels (33) are respectively arranged at two ends of the inner side of each angle code plate (31), the limiting guide wheels (34) are arranged in the middle of the inner side of each angle code plate through the vertically connected mounting plate (35), and the reinforcing plates (32) are arranged at intervals on the outer sides of the angle code plates (31).
4. A gear type fall preventing device according to claim 3, wherein the cross section of the angle code plate (31) is a T-shaped or L-shaped plate.
5. The gear type anti-falling device according to claim 2, wherein two free edges of the auxiliary arm part (12) are respectively provided with U-shaped channel steel.
6. A gear type anti-falling device according to claim 1, wherein a plurality of pressure springs are arranged in the ratchet mechanism (26), and each ratchet of the ratchet mechanism (26) is respectively connected with the pressure springs.
7. The gear type anti-falling device according to claim 1, wherein the outer sides of the main gear (22), the pinion (24), the first pin (25), the ratchet mechanism (26), the second pin (27) and the anti-falling fixture block (28) are provided with a sealing cover, the sealing cover seals the main gear (22), the pinion (24), the ratchet mechanism (26) and the anti-falling fixture block (28) in a cavity of the sealing cover, and grease is injected in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121404764.9U CN215107192U (en) | 2021-06-23 | 2021-06-23 | Gear type anti-falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121404764.9U CN215107192U (en) | 2021-06-23 | 2021-06-23 | Gear type anti-falling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215107192U true CN215107192U (en) | 2021-12-10 |
Family
ID=79310178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121404764.9U Expired - Fee Related CN215107192U (en) | 2021-06-23 | 2021-06-23 | Gear type anti-falling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215107192U (en) |
-
2021
- 2021-06-23 CN CN202121404764.9U patent/CN215107192U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |