CN221093307U - Duplex elevator safety tongs - Google Patents
Duplex elevator safety tongs Download PDFInfo
- Publication number
- CN221093307U CN221093307U CN202322346558.2U CN202322346558U CN221093307U CN 221093307 U CN221093307 U CN 221093307U CN 202322346558 U CN202322346558 U CN 202322346558U CN 221093307 U CN221093307 U CN 221093307U
- Authority
- CN
- China
- Prior art keywords
- main
- pincers
- oblique
- screw rod
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 19
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
The utility model relates to the technical field of elevator auxiliary equipment, in particular to a compound elevator safety tongs. According to the utility model, the U-shaped fixing plate is fixedly arranged at the top end of the base through the second screw rod, the inclined clamp body and the main clamp body are arranged at two sides of the inside of the fixing plate, the shell is arranged at the outer side of the fixing plate, the first screw rod penetrating through the shell and the fixing plate and connected in the inclined clamp block through threads is arranged on the shell, so that a multi-stage compound supporting structure exists between the main clamp body and the safety clamp, the fixing plate absorbs impact force to generate bending deformation for playing a role of buffering, and the impact force is transmitted to the base and the shell through the first screw rod and the second screw rod, so that impact abrasion to an internal structure caused by the impact force is avoided, and looseness between structures is caused.
Description
Technical Field
The utility model relates to the technical field of elevator auxiliary equipment, in particular to a compound elevator safety tongs.
Background
The elevator safety tongs are an elevator safety protection device, can effectively prevent the elevator from danger caused by out of control or overspeed descent, and has the following action principle: when the elevator normally operates, the brake in the safety gear is in a standby state, and the normal operation of the elevator cannot be interfered. Once the elevator fails or descends in overspeed, the brake can act immediately, and the brake jaw of the safety tongs is driven by the link mechanism in the safety tongs to act synchronously, so that the elevator carriage is clamped on the guide rail to force the elevator to stop moving, thereby preventing the elevator from continuing descending or out of control.
The prior art has the following defects in the using process:
1. When the prior art is used, the safety tongs are impacted by the inertia action of the elevator car during braking, the integral structure of the safety tongs is easy to loosen, the problems of abrasion, clamping stagnation and the like caused by friction between connecting structures are easy to occur after the safety tongs are used for a period of time, so that the problems of loosening between structures, large clearance and the like are caused, and potential safety hazards exist;
2. When the prior art is used, the brake part at the front end of the main clamp block is worn in the use process, so that the fit degree of the brake part and the guide rail is reduced, the braking effect is affected, the safety performance is reduced, the brake part needs to be replaced, the main clamp block needs to be replaced by the existing safety clamp, the clamp body needs to be disassembled for replacement, time and labor are wasted, and maintenance is inconvenient.
In view of this we propose a double elevator safety gear to solve the existing problems.
Disclosure of utility model
The utility model aims to provide a double-elevator safety gear which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a duplex elevator safety tongs, includes base, fixed plate and quick detach bolt, fixed part is installed on the base top, the fixed plate is "U" type structure, the inboard both ends symmetry of fixed plate is provided with oblique pincers piece, the inboard of two oblique pincers pieces is provided with main pincers piece, the outside symmetry of fixed plate is provided with the casing, fixed plate one side is kept away from to the casing is provided with first screw rod, first screw rod passes casing, fixed plate in proper order, connects inside oblique pincers piece, two main pincers piece rear side terminal surfaces are provided with the connecting plate, the connecting plate both sides are respectively through two quick detach bolts and main pincers piece fixed connection.
Preferably, the quick-release bolt further comprises a bolt, the bolt is arranged at the rear end of the connecting block and is in butt joint with the connecting plate, the quick-release bolt is arranged at the front end of the main clamp block, and one end of the screw rod of the quick-release bolt penetrates through the main clamp block and the connecting plate to be in butt joint with the bolt arranged at the rear end of the connecting plate.
Preferably, a through groove is arranged between the two main clamp bodies, an elevator guide rail is arranged in the through groove in a penetrating manner, and a braking part is arranged on one side end surface of the main clamp bodies on two sides, which is close to the through groove.
Preferably, the main clamp block is arranged in a sliding manner relative to the oblique clamp block, and a ball is clamped between the main clamp block and the oblique clamp block.
Preferably, the rear end of the connecting plate is fixedly connected with an operating rod, the top end of the operating rod is provided with a traction end, and the traction end is fixedly connected with an elevator cable.
Preferably, guide plates are fixedly arranged at two ends of the outer side of the oblique clamp body, the other ends of the guide plates are arranged between the oblique clamp body and the main clamp body, a chute is formed in one end, close to the oblique clamp body, of the main clamp body, and one end, far away from the oblique clamp body, of the guide plates is accommodated in the chute.
Preferably, the bottom of the rear end of the base is fixedly connected with a second screw rod, and one end of the top of the second screw rod penetrates through the fixing plate to be connected with a nut.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the U-shaped fixing plate is fixedly arranged at the top end of the base through the second screw rod, the inclined clamp body and the main clamp body are arranged at two sides of the inside of the fixing plate, the shell is arranged at the outer side of the fixing plate, the first screw rod penetrating through the shell and the fixing plate and connected in the inclined clamp block through threads is arranged on the shell, so that a multi-stage compound supporting structure exists between the main clamp body and the safety clamp, the fixing plate absorbs impact force to generate bending deformation for playing a role of buffering, and the impact force is transmitted to the base and the shell through the first screw rod and the second screw rod, so that impact abrasion to an internal structure caused by the impact force is avoided, and looseness between structures is caused.
2. According to the utility model, the connecting plates are arranged at the rear ends of the main forceps bodies at two sides and are connected with the main forceps bodies at two sides through the quick-release bolts, so that when the main forceps bodies are replaced, only the bolts at the rear ends of the quick-release bolts are required to be pulled out, the quick-release bolts are pulled out from the front end surfaces of the main forceps bodies, the main forceps bodies are separated from the safety forceps structures, the main forceps bodies can be taken out from one end of the bottom of the safety forceps, the connecting structure of the main forceps bodies and the safety forceps is simple, and the safety forceps are convenient to maintain and replace.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic three-dimensional structure of the present utility model;
fig. 3 is a schematic top view of the present utility model.
In the figure: 1. an oblique clamp block; 101. a guide plate; 2. a housing; 3. a fixing plate; 4. a first screw; 5. a base; 6. a ball; 7. a main clamp block; 701. a braking section; 702. a chute; 8. a second screw; 9. a through groove; 10. an operation lever; 1001. quick-dismantling bolts; 1002. a plug pin; 1003. a connecting plate; 1004. a pulling end.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1, fig. 2 and fig. 3, the double-deck elevator safety tongs provided by the utility model comprise a base 5, a fixing plate 3 and quick-release bolts 1001, wherein a fixing part is arranged at the top end of the base 5, the fixing plate 3 is of a U-shaped structure and is used for absorbing impact force and buffering and supporting the safety tongs to realize the function of stable structure, inclined tongs blocks 1 are symmetrically arranged at two ends of the inner side of the fixing plate 3, main tongs blocks 7 are arranged at the inner sides of the two inclined tongs blocks 1 and are used for clamping guide rails and braking, a shell 2 is symmetrically arranged at the outer side of the fixing plate 3, a first screw 4 is arranged at one side, far away from the fixing plate 3, of the shell 2, sequentially penetrates through the shell 2 and the fixing plate 3 and is connected inside the inclined tongs blocks 1 and is used for improving the stability of the integral structure of the safety tongs, a connecting plate 1003 is arranged at the rear end face of the two main tongs 7, and two sides of the connecting plate 1003 are respectively fixedly connected with the main tongs 7 through the two quick-release bolts 1001 and are used for controlling the action of a main tongs body.
Further, the quick-release bolt 1001 further includes a plug 1002, the plug 1002 is disposed at the rear end of the connection block and abuts against the connection plate 1003, the quick-release bolt 1001 is disposed at the front end of the main jaw 7, and one end of a screw of the quick-release bolt 1001 passes through the main jaw 7 and the connection plate 1003 to be plugged with the plug 1002 disposed at the rear end of the connection plate 1003, so that the main jaw body can be quickly detached and installed, and maintenance or replacement is facilitated.
Further, a through groove 9 is arranged between the two main clamp bodies, elevator guide rails are arranged in the through groove 9 in a penetrating manner, a braking part 701 is arranged on one side end face of each main clamp body on two sides, which is close to the through groove 9, of each main clamp body, the main clamp bodies are arranged at two ends of the guide rails, friction is carried out between each main clamp body and the corresponding guide rail through the braking part 701, the descending speed of a car is reduced, and finally the car is braked.
Further, the main jaw 7 is slidably disposed relative to the oblique jaw 1, and the balls 6 are clamped between the main jaw 7 and the oblique jaw 1, so that friction is reduced when the main jaw moves relative to the oblique jaw 1.
Further, the rear end of the connecting plate 1003 is fixedly connected with an operating rod 10, the top end of the operating rod 10 is provided with a traction end 1004, and the traction end 1004 is fixedly connected with an elevator cable and used for controlling the state of a main clamp body so as to brake when the elevator stalls; after the elevator is out of order, the main clamp body is controlled to release the brake.
Further, the guide plates 101 are fixedly arranged at two ends of the outer side of the oblique clamp body, the other ends of the guide plates 101 are arranged between the oblique clamp body and the main clamp body, a chute 702 is formed in one end, close to the oblique clamp body, of the main clamp body, one end, far away from the oblique clamp body, of the guide plates 101 is contained in the chute 702 and used for limiting the movement direction of the main clamp body, and deviation of the movement direction of the main clamp body is avoided, so that braking failure is caused.
Further, the bottom of the rear end of the base 5 is fixedly connected with a second screw rod 8, and one end of the top of the second screw rod 8 penetrates through the fixing plate 3 to be connected with a nut for supporting the fixing plate 3 when the fixing plate 3 bears impact force.
The working principle of the compound elevator safety tongs based on the first embodiment is as follows: when the elevator is in use, the elevator is fixed at the side end of the car through the base 5, the elevator guide rail is arranged in the through groove 9, the main clamp block 7 is positioned at the bottom end of the inclined clamp block 1 when the elevator runs, when the elevator stalls, the main clamp block 7 moves upwards along the end face of the inclined clamp block 1 under the drive of the operating rod 10, the braking part 701 at the inner side of the main clamp block 7 rubs with the elevator guide rail, the operating rod 10 drives the main clamp block 7 to continuously ascend, so that the main clamp block 7 is clamped with the elevator guide rail through the braking part 701 to force the elevator car to stop moving, and the fault is treated, so that the accident is avoided.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (7)
1. The utility model provides a duplex elevator safety tongs, includes base (5), fixed plate (3) and quick detach bolt (1001), its characterized in that: the base (5) top is installed fixed part, fixed plate (3) are "U" type structure, the inboard both ends symmetry of fixed plate (3) is provided with oblique pincers piece (1), the inboard of two oblique pincers pieces (1) is provided with main pincers piece (7), fixed plate (3) outside symmetry is provided with casing (2), fixed plate (3) one side is kept away from to casing (2) is provided with first screw rod (4), first screw rod (4) pass casing (2), fixed plate (3) in proper order, connect inside oblique pincers piece (1), two main pincers piece (7) rear side terminal surfaces are provided with connecting plate (1003), connecting plate (1003) both sides are respectively through two quick detach bolts (1001) and main pincers piece (7) fixed connection.
2. A compound elevator safety gear according to claim 1, characterized in that: the quick-release bolt (1001) further comprises a bolt (1002), the bolt (1002) is arranged at the rear end of the connecting block and is in butt joint with the connecting plate (1003), the quick-release bolt (1001) is arranged at the front end of the main clamp block (7), and one end of a screw rod of the quick-release bolt (1001) penetrates through the main clamp block (7) and the connecting plate (1003) to be spliced with the bolt (1002) arranged at the rear end of the connecting plate (1003).
3. A compound elevator safety gear according to claim 1, characterized in that: a through groove (9) is formed between the two main clamp blocks (7), an elevator guide rail is arranged in the through groove (9) in a penetrating mode, and a braking part (701) is arranged on the end face, close to the through groove (9), of one side of the main clamp blocks (7) on two sides.
4. A compound elevator safety gear according to claim 1, characterized in that: the main clamp block (7) is arranged in a sliding manner relative to the inclined clamp block (1), and a ball (6) is clamped between the main clamp block (7) and the inclined clamp block (1).
5. A compound elevator safety gear according to claim 1, characterized in that: the elevator is characterized in that an operating rod (10) is fixedly connected to the rear end of the connecting plate (1003), a traction end (1004) is arranged at the top end of the operating rod (10), and the traction end (1004) is fixedly connected with an elevator cable.
6. A compound elevator safety gear according to claim 1, characterized in that: the oblique pincers block is characterized in that guide plates (101) are fixedly arranged at two ends of the outer side of the oblique pincers block, the other ends of the guide plates (101) are arranged between the oblique pincers body and the main pincers body, a chute (702) is formed in one end, close to the oblique pincers block, of the main pincers block, and one end, far away from the oblique pincers block, of the guide plates (101) is contained in the chute (702).
7. A compound elevator safety gear according to claim 1, characterized in that: the bottom of the rear end of the base (5) is fixedly connected with a second screw rod (8), and one end of the top of the second screw rod (8) penetrates through the fixing plate (3) to be connected with a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322346558.2U CN221093307U (en) | 2023-08-30 | 2023-08-30 | Duplex elevator safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322346558.2U CN221093307U (en) | 2023-08-30 | 2023-08-30 | Duplex elevator safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221093307U true CN221093307U (en) | 2024-06-07 |
Family
ID=91325895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322346558.2U Active CN221093307U (en) | 2023-08-30 | 2023-08-30 | Duplex elevator safety tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221093307U (en) |
-
2023
- 2023-08-30 CN CN202322346558.2U patent/CN221093307U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101759076B (en) | Elevator buffer | |
| CN100460307C (en) | Bidirection overspeed protective device of elevator | |
| CN102795526B (en) | Progressive rope gripper and progressive overspeed protection safety device for dragging type lifting device | |
| WO2020177758A1 (en) | Running system for elevator, and multi-car elevator running system | |
| CN105819302A (en) | Rope gripper | |
| CN221093307U (en) | Duplex elevator safety tongs | |
| CN213011417U (en) | Safety tongs for elevator braking and elevator braking assembly using same | |
| CN202785154U (en) | Gradual rope gripper and gradual overspeed protection safety device of traction type lifting device | |
| CN205772613U (en) | Rope brake | |
| CN217730444U (en) | Mining fixed buffering car arrester | |
| CN116946838A (en) | Elevator safety protection device based on machine vision | |
| CN114753027B (en) | Self-locking spindle braking device | |
| CN209259430U (en) | A kind of novel Knapsack-rack safety tongs shift mechanism | |
| CN201338891Y (en) | Progressive safety device | |
| CN209352398U (en) | A kind of variable cross-section car guide rail | |
| CN113800368A (en) | Packing box traction device for fire-fighting large-tonnage elevator | |
| CN2773029Y (en) | Bi-directional overspeed protector of elevator | |
| CN218950735U (en) | Double-linkage mechanism of elevator safety tongs | |
| CN111332912A (en) | Machine room-free elevator | |
| RU2658746C1 (en) | Unit for retention of rolling stock at station tracks | |
| CN218520845U (en) | Lifting mechanism, lifting device and elevator | |
| CN217398156U (en) | Elevator base with shock-absorbing structure | |
| CN219134167U (en) | Electric lifting internal support type parking anti-slip device | |
| CN2072962U (en) | Antomatic drop-proof apparatus for elevator | |
| CN221093305U (en) | Pneumatic elevator safety tongs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |