CN213059759U - Floatable elevator safety tongs - Google Patents
Floatable elevator safety tongs Download PDFInfo
- Publication number
- CN213059759U CN213059759U CN202020908160.7U CN202020908160U CN213059759U CN 213059759 U CN213059759 U CN 213059759U CN 202020908160 U CN202020908160 U CN 202020908160U CN 213059759 U CN213059759 U CN 213059759U
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- Prior art keywords
- guide rail
- wedge block
- pull rod
- floatable
- frame
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a floatable elevator safety gear, which belongs to the field of elevator accessories, and comprises a mounting frame fixedly arranged at the position of an elevator car corresponding to a car guide rail and a support frame positioned on the car guide rail, wherein the support frame is movably connected with the mounting frame; a first guide rail and a second guide rail are respectively and fixedly arranged in the supporting frame corresponding to two sides of the car guide rail, and a first wedge block and a second wedge block are respectively and slidably arranged in the first guide rail and the second guide rail; and a connecting plate is fixedly mounted on one side of the mounting frame, and a pull rod which is connected with a speed governor steel wire rope and pulls the second wedge block is hinged between the second wedge block and the connecting plate. This but floating elevator safety tongs can avoid causing the car displacement when the safety tongs stops effectively, avoids impact and the deformation to the car with lead boots, improves the stationarity of promptly making the stop, and the security, and this structure simple to operate is suitable for using widely simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the elevator accessory, concretely relates to but floating elevator safety tongs.
Background
The safety tongs are a safety protection device of an elevator, and the safety tongs stop a car and clamp the car on a guide rail under the operation of a speed limiter when the elevator exceeds the set limit speed of the speed limiter of the elevator or in the case of breakage and looseness of a suspension rope. It provides effective protection for the safe operation of the elevator.
However, the conventional elevator safety gear device is generally fixed, so that the elevator car is easy to displace when the elevator is subjected to emergency braking, the impact and deformation on the elevator car and the guide shoe are avoided, and the stability and the safety of the emergency braking are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but floating elevator safety tongs to solve the current fixed installation that proposes in the above-mentioned background art, cause the car displacement when the safety tongs system stops, to the car with lead the impact of boots and the problem of deformation.
In order to achieve the above object, the utility model provides a following technical scheme:
a floatable elevator safety gear comprises an installation frame fixedly installed at a position, corresponding to a car guide rail, of an elevator car and a support frame located on the car guide rail, wherein the support frame is movably connected with the installation frame;
a first guide rail and a second guide rail are respectively and fixedly arranged in the supporting frame corresponding to two sides of the car guide rail, and a first wedge block and a second wedge block are respectively and slidably arranged in the first guide rail and the second guide rail;
a connecting plate is fixedly mounted on one side of the mounting frame, a pull rod used for being connected with a speed governor steel wire rope to pull the second wedge block is hinged between the second wedge block and the connecting plate, and a bolt connected with the speed governor steel wire rope is inserted into the pull rod; a safety switch rotating along with the pull rod is arranged on the connecting plate;
the second wedge block is driven by the pull rod to slide on the second guide rail and to be close to or far away from the car guide rail, and the second wedge block is matched with the first wedge block to clamp or release the car guide rail.
Preferably, a partition plate is welded in the middle of one surface, far away from the support frame, of the mounting frame, and the support frame is connected with the mounting frame through a countersunk bolt;
the mounting frame is provided with through holes at positions corresponding to the countersunk bolts on two sides of the partition plate, and the countersunk bolts penetrate through the through holes and are in threaded connection with the supporting frame;
the through hole is long, and the countersunk head bolt can move close to or away from the partition plate in the through hole.
Preferably, at least one side of the partition plate is provided with an L-shaped base plate, one vertical surface of the L-shaped base plate is positioned on the mounting frame, and the countersunk head bolt penetrates through the vertical surface of the L-shaped base plate, which is correspondingly positioned on the mounting frame;
a connecting piece is arranged between the other vertical surface of the L-shaped base plate and the partition plate, and the connecting piece is movably connected with the L-shaped base plate and the partition plate;
the outer surface wall of the connecting piece is sleeved with a first return spring, and two ends of the first return spring are fixedly connected with the L-shaped base plate and the partition plate respectively.
Preferably, a first sliding block and a second sliding block are respectively arranged between the first wedge block and the first guide rail and between the second wedge block and the second guide rail.
Preferably, a blocking piece is mounted at one end of the support frame corresponding to the first wedge block through a fixing piece, the blocking piece is in sliding connection with the fixing piece, and the blocking piece is fixedly connected with the first wedge block through a screw;
the fixing piece is sleeved with a second return spring, and two ends of the second return spring are fixedly connected with the blocking piece and the fixing piece respectively.
Preferably, the first guide rail is fixedly connected with the support frame through a support rod, a support member is sleeved on the outer wall of the support rod, and two ends of the support member are respectively contacted with the first guide rail and the support frame.
Preferably, one end of the second wedge block is fixedly provided with a first limiting bolt, and one end of the second guide rail, which is far away from the first limiting bolt, is fixedly provided with a second limiting bolt for limiting the second wedge block.
Preferably, a rotating shaft is arranged at one end of the pull rod and one end of the safety switch, which correspond to the connecting plate, a connecting frame is fixedly installed at one end of the second wedge block, which is close to the pull rod, and the connecting frame is connected with the pull rod through a connecting column;
the spliced pole with the link rotates to be connected, set up on the pull rod and be used for the strip groove that the spliced pole removed.
Preferably, the connecting plate is fixedly provided with a limiting column for limiting the pull rod.
Preferably, one end of the bolt far away from the safety switch is inserted with an inserting nail for limiting the bolt.
This but floating elevator safety tongs can avoid causing the car displacement when the safety tongs stops effectively, avoids impact and the deformation to the car with lead boots, improves the stationarity of promptly making the stop, and the security, and this structure simple to operate is suitable for using widely simultaneously.
Drawings
Fig. 1 is a schematic perspective view of a floatable elevator safety gear in a rear view direction;
fig. 2 is a schematic perspective view of a floatable elevator safety gear in a front view direction;
FIG. 3 is a schematic structural diagram of a mounting bracket in a floatable type elevator safety gear;
fig. 4 is an enlarged schematic view of a portion a in fig. 2.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
As shown in fig. 1-4, the utility model provides a floatable elevator safety gear, which comprises a mounting frame 1 fixedly mounted at the position of an elevator car corresponding to a car guide rail and a support frame 2 positioned on the car guide rail, wherein the support frame 2 is movably connected with the mounting frame 1;
a first guide rail 3 and a second guide rail 4 are respectively and fixedly arranged in the supporting frame 2 corresponding to two sides of the car guide rail, and a first wedge block 5 and a second wedge block 6 are respectively and slidably arranged in the first guide rail 3 and the second guide rail 4;
a connecting plate 17 is fixedly installed on one side of the mounting frame 1, a pull rod 18 used for being connected with a speed governor steel wire rope and pulling the second wedge block 6 is hinged between the second wedge block 6 and the connecting plate 17, and a bolt 21 connected with the speed governor steel wire rope is inserted into the pull rod 18; a safety switch 19 which rotates along with the pull rod 18 is arranged on the connecting plate 17;
the second wedge block 6 is driven by the pull rod 18 to slide on the second guide rail 4 to be close to or far away from the car guide rail, and is matched with the first wedge block 5 to clamp or release the car guide rail.
When the elevator is decelerated or braked, the pull rod 18 is pulled through a speed limiter steel wire rope, so that the pull rod 18 drives the second wedge block 6 to move on the second guide rail 4 to be contacted with the car guide rail, the first wedge block 5 and the second wedge block 6 are clamped on the car guide rail after being matched with the first wedge block 5, the braking work of the elevator car is completed, the support frame 2 floats on the mounting frame 1, and during braking, the first wedge block 5 and the second wedge block 6 are clamped on the car guide rail to drive the support frame 2 to deviate, so that the car guide rail is prevented from being deformed and damaged due to the fixation of the support frame 2, and the safety of the elevator braking is improved; support frame 2, first voussoir 5 and second voussoir 6 can float on mounting bracket 1 simultaneously, when the installation, can reduce the precision of installation to a certain extent to reduce the degree of difficulty of safety tongs installation.
Specifically, in order to enable the mounting frame 2, the first wedge 5 and the second wedge 6 to float on the mounting frame 1, as shown in fig. 1, 2 and 3, a partition plate 26 is welded at the middle position of one surface of the mounting frame 1 away from the supporting frame 2, and the supporting frame 2 is connected with the mounting frame 1 through a countersunk bolt 27;
the mounting rack 1 is provided with through holes 30 at positions corresponding to the countersunk bolts 27 on the two sides of the partition board 26, and the countersunk bolts 27 penetrate through the through holes 30 and are in threaded connection with the support frame 2;
the through-hole 30 is elongated, and the countersunk bolt 27 can move within the through-hole 30 toward or away from the separator 26.
When stopping elevator car, under car guide's effect, first voussoir 5 and second voussoir 6 drive countersunk head bolt 27 and float on mounting bracket 1 to make support frame 2 float on mounting bracket 1, avoid first voussoir 5 and second voussoir 6 rigidity to lead to car guide deformation to damage.
In order to enable the support frame 2, the first wedge block 5 and the second wedge block 6 to automatically reset after floating, as shown in fig. 1, at least one side of the partition 26 is provided with an L-shaped backing plate 24, a vertical surface of the L-shaped backing plate 24 is located on the mounting frame 1, and a countersunk bolt 27 penetrates through the L-shaped backing plate 24 and corresponds to the vertical surface located on the mounting frame 1;
a connecting piece 28 is arranged between the other vertical surface of the L-shaped backing plate 24 and the clapboard 26, and the connecting piece 28 is movably connected with the L-shaped backing plate 24 and the clapboard 26;
the outer surface wall of the connecting piece 28 is sleeved with a first return spring 29, and two ends of the first return spring 29 are respectively fixedly connected with the L-shaped backing plate 24 and the partition plate 26.
Through setting up L type backing plate 24, connecting piece 28 and first reset spring 29, after support frame 2, first voussoir 5 and second voussoir 6 float the release under car guide drives, under the elastic force effect of first reset spring 29, promote L type backing plate 24 and remove to drive countersunk bolt 27 through L type backing plate 24, drive support frame 2, first voussoir 5 and second voussoir 6 through countersunk bolt 27 and reset.
In order to reduce the friction between the first wedge 5 and the first guide rail 3 and between the second wedge 6 and the second guide rail 4, as shown in fig. 2, a first slider 7 and a second slider 8 are respectively disposed between the first wedge 5 and the first guide rail 3 and between the second wedge 6 and the second guide rail 4.
Specifically, in order to effectively limit the first wedge 5 and buffer the impact force generated during braking, as shown in fig. 2, a stopper 11 is mounted on one end of the support frame 2 corresponding to the first wedge 5 through a fixing member 12, the stopper 11 is slidably connected with the fixing member 12, and the stopper 11 is fixedly connected with the first wedge 5 through a screw;
the fixing member 12 is sleeved with a second return spring 13, and two ends of the second return spring 13 are respectively fixedly connected with the blocking piece 11 and the fixing member 12.
One end of the support frame 2 is provided with a separation blade 11 through a fixing part 12 and a second reset spring 13 to limit the first wedge block 5, the separation blade 11 is fixed with the first wedge block 5 through a screw, when the brake is stopped, the first wedge block 5 can have a certain sliding space in the first guide rail 3, and simultaneously the impact force generated by the brake is buffered under the action of the second reset spring 13, so that the impact force generated by the brake is effectively reduced, the fracture of the car guide rail caused by overlarge rigidity is avoided, and the safety of the brake of the elevator is further improved.
In order to ensure the structural stability of the first guide rail 3, as shown in fig. 2, the first guide rail 3 is fixedly connected to the support frame 2 through a support rod 9, a support member 10 is sleeved on an outer wall of the support rod 9, and two ends of the support member 10 are respectively in contact with the first guide rail 3 and the support frame 2.
Fix first guide rail 3 on support frame 2 through bracing piece 9 and support piece 10 to make first guide rail 3 remain stable, first guide rail 3 outwards expands when avoiding the braking, influences the efficiency that the braking was stopped.
It should be noted that the supporting member 10 may be composed of a plurality of pads, which are disposed on the supporting rod 9 and spaced between the supporting frame 2 and the first guiding rail 3, so as to stably support the first guiding rail 3 on the supporting frame 2.
In order to prevent the second wedge 6 from falling out of the second sliding groove 4 and ensure the stability of the second wedge 6, as shown in fig. 2 and 4, a first limit bolt 16 is fixedly installed at one end of the second wedge 6, and a second limit bolt 31 for limiting the second wedge 6 is fixedly installed at one end of the second guide rail 4 away from the first limit bolt 16.
In order to enable the pull rod 18 to act on the second wedge block 6 under the condition of no deformation so as to enable the second wedge block 6 to move, as shown in fig. 1 and 2, a rotating shaft 20 is arranged at one end of the pull rod 18 and one end of the safety switch 19, which correspond to the connecting plate 17, a connecting frame 14 is fixedly installed at one end of the second wedge block 6, which is close to the pull rod 18, and the connecting frame 14 is connected with the pull rod 18 through a connecting column 15;
the connecting column 15 is rotatably connected with the connecting frame 14, and a strip-shaped groove used for moving the connecting column 15 is formed in the pull rod 18.
When braking and stopping, the pull rod 18 is pulled through the speed limiter steel wire rope, one end of the pull rod 18 rotates on the connecting plate 17, and the other end of the pull rod rotates on the supporting plate 17 by taking the rotating shaft 20 as a circle center, so that the second wedge block 6 is pushed to move, the second wedge block 6 is close to a car guide rail, and braking and stopping work is finished.
In order to effectively limit the pull rod 18 and reduce the overlarge rotation amplitude of the pull rod 18 caused by the action of gravity, so that the pull rod 18 is kept stable, as shown in fig. 2, a limiting column 23 for limiting the pull rod 18 is fixedly mounted on the connecting plate 17.
In addition, in order to ensure that the safety switch 19 is stably mounted on the pull rod 18, as shown in fig. 2, an end of the latch 21 away from the safety switch 19 is inserted with a plug pin 22 for limiting the latch 21.
After the safety switch 19 is fixed by the bolt 21, one end of the bolt passes through the pull rod 18, and the end of the bolt 21 far away from the safety switch 19 is limited on the pull rod 18 through the inserted nail 22, so that the safety switch 19 is prevented from falling.
It should be noted that the latch 21 is a pulling force point of the pull rod 18, and when braking, the speed governor rope pulls the pull rod 18 through the latch 21 to perform braking operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a floatable elevator safety tongs which characterized in that: the elevator car guide rail fixing device comprises a mounting frame (1) fixedly mounted at a position, corresponding to a car guide rail, of an elevator car and a support frame (2) located on the car guide rail, wherein the support frame (2) is movably connected with the mounting frame (1);
a first guide rail (3) and a second guide rail (4) are respectively and fixedly installed in the supporting frame (2) corresponding to two sides of the car guide rail, and a first wedge block (5) and a second wedge block (6) are respectively and slidably installed in the first guide rail (3) and the second guide rail (4);
a connecting plate (17) is fixedly installed on one side of the mounting frame (1), a pull rod (18) used for being connected with a speed governor steel wire rope to pull the second wedge block (6) is hinged between the second wedge block (6) and the connecting plate (17), and a bolt (21) connected with the speed governor steel wire rope is inserted into the pull rod (18); a safety switch (19) rotating along with the pull rod (18) is arranged on the connecting plate (17);
the second wedge block (6) is driven by the pull rod (18) to slide on the second guide rail (4) to be close to or far away from the car guide rail, and is matched with the first wedge block (5) to clamp or release the car guide rail.
2. The floatable elevator safety gear of claim 1 characterized in that: a partition plate (26) is welded in the middle of one surface, far away from the support frame (2), of the mounting frame (1), and the support frame (2) is connected with the mounting frame (1) through a countersunk bolt (27);
through holes (30) are formed in positions, corresponding to the countersunk bolts (27), of two sides of the partition plate (26) of the mounting frame (1), and the countersunk bolts (27) penetrate through the through holes (30) and are in threaded connection with the supporting frame (2);
the through hole (30) is long, and the countersunk head bolt (27) can move close to or away from the partition plate (26) in the through hole (30).
3. The floatable elevator safety gear of claim 2 characterized in that: at least one side of the partition plate (26) is provided with an L-shaped backing plate (24), one vertical surface of the L-shaped backing plate (24) is positioned on the mounting rack (1), and the countersunk head bolt (27) penetrates through the vertical surface of the L-shaped backing plate (24) correspondingly positioned on the mounting rack (1);
a connecting piece (28) is arranged between the other vertical surface of the L-shaped backing plate (24) and the partition plate (26), and the connecting piece (28) is movably connected with the L-shaped backing plate (24) and the partition plate (26);
the outer surface wall of the connecting piece (28) is sleeved with a first return spring (29), and two ends of the first return spring (29) are respectively fixedly connected with the L-shaped base plate (24) and the partition plate (26).
4. The floatable elevator safety gear of claim 1 characterized in that: and a first sliding block (7) and a second sliding block (8) are respectively arranged between the first wedge block (5) and the first guide rail (3) and between the second wedge block (6) and the second guide rail (4).
5. The floatable elevator safety gear of claim 4 characterized in that: one end of the support frame (2) corresponding to the first wedge block (5) is provided with a baffle (11) through a fixing piece (12), the baffle (11) is in sliding connection with the fixing piece (12), and the baffle (11) is fixedly connected with the first wedge block (5) through a screw;
the fixing piece (12) is sleeved with a second return spring (13), and two ends of the second return spring (13) are respectively fixedly connected with the blocking piece (11) and the fixing piece (12).
6. The floatable elevator safety gear of claim 4 characterized in that: the first guide rail (3) is fixedly connected with the support frame (2) through a support rod (9), a support piece (10) is sleeved on the outer wall of the support rod (9), and two ends of the support piece (10) are respectively in contact with the first guide rail (3) and the support frame (2).
7. The floatable elevator safety gear of claim 4 characterized in that: one end of the second wedge block (6) is fixedly provided with a first limiting bolt (16), and one end, far away from the first limiting bolt (16), of the second guide rail (4) is fixedly provided with a second limiting bolt (31) used for limiting the second wedge block (6).
8. The floatable elevator safety gear of claim 1 characterized in that: a rotating shaft (20) is arranged at one end of the pull rod (18) and one end of the safety switch (19) corresponding to the connecting plate (17), a connecting frame (14) is fixedly installed at one end, close to the pull rod (18), of the second wedge block (6), and the connecting frame (14) is connected with the pull rod (18) through a connecting column (15);
the connecting column (15) is rotatably connected with the connecting frame (14), and a strip-shaped groove used for the connecting column (15) to move is formed in the pull rod (18).
9. The floatable elevator safety gear of claim 8 characterized in that: and a limiting column (23) for limiting the pull rod (18) is fixedly arranged on the connecting plate (17).
10. The floatable elevator safety gear of claim 1 characterized in that: one end of the bolt (21) far away from the safety switch (19) is inserted with an insertion nail (22) used for limiting the bolt (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020908160.7U CN213059759U (en) | 2020-05-26 | 2020-05-26 | Floatable elevator safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020908160.7U CN213059759U (en) | 2020-05-26 | 2020-05-26 | Floatable elevator safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213059759U true CN213059759U (en) | 2021-04-27 |
Family
ID=75564924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020908160.7U Withdrawn - After Issue CN213059759U (en) | 2020-05-26 | 2020-05-26 | Floatable elevator safety tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213059759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646337A (en) * | 2020-05-26 | 2020-09-11 | 乐天电梯部件(浙江)有限公司 | Floatable elevator safety tongs |
-
2020
- 2020-05-26 CN CN202020908160.7U patent/CN213059759U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111646337A (en) * | 2020-05-26 | 2020-09-11 | 乐天电梯部件(浙江)有限公司 | Floatable elevator safety tongs |
| CN111646337B (en) * | 2020-05-26 | 2024-03-12 | 上海乐天电梯部件有限公司 | Floatable elevator safety tongs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230518 Address after: Building 21, No. 19 Haiwan Avenue, Xitangqiao Street, Haiyan County, Jiaxing City, Zhejiang Province, 314000 Patentee after: Lotte elevator parts (Zhejiang) Co.,Ltd. Address before: Building 8, 5333 Beiqing Road, Qingpu District, Shanghai Patentee before: SHANGHAI LIFTECH ELEVATOR ACCESSORIES Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210427 Effective date of abandoning: 20240312 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210427 Effective date of abandoning: 20240312 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |