CN112299189A - Automatic safety tongs triggering mechanism for telescopic elevator mounting platform - Google Patents
Automatic safety tongs triggering mechanism for telescopic elevator mounting platform Download PDFInfo
- Publication number
- CN112299189A CN112299189A CN202011209470.0A CN202011209470A CN112299189A CN 112299189 A CN112299189 A CN 112299189A CN 202011209470 A CN202011209470 A CN 202011209470A CN 112299189 A CN112299189 A CN 112299189A
- Authority
- CN
- China
- Prior art keywords
- shaped plate
- piece
- fixed
- triggering
- moving
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
An automatic safety gear triggering mechanism for a telescopic elevator installation platform comprises a moving part, a fixing part, a spring, a transverse rod piece and a triggering moving part; the fixing part is fixed on an upper beam of a portal frame of the elevator, the moving part is fixed on the elevator, the transverse rod piece is fixed on the upper beam of the portal frame through a shaft piece, two ends of the spring respectively support against the upper part of the fixing part and the lower part of the moving part, one end of the triggering moving part is hinged to the lower part of the moving part, the other end of the triggering moving part is fixed on the transverse rod piece, and the end part of the transverse rod piece is connected with a pulling plate of; when the elevator is fast weightless, the spring pushes the moving piece away, so that the moving piece is far away from the fixing piece, the moving piece drives the trigger moving piece to rotate around the transverse rod piece to drive the transverse rod piece to rotate, and the pulling plate is pulled when the transverse rod piece rotates. The automatic triggering mechanism of the safety gear has the advantages of simple structure and convenient installation, and can be automatically triggered without manual intervention. The length direction can be adjusted steplessly, and the telescopic elevator mounting platform is particularly suitable for telescopic elevator mounting platforms.
Description
Technical Field
The invention relates to the technical field of elevator installation based on an adjustable telescopic elevator platform, in particular to an automatic trigger mechanism of a safety gear for a telescopic elevator installation platform.
Background
In recent years, the elevator installation technology is gradually changed from scaffold construction to scaffold-free construction technology, wherein a special elevator platform is also more and more commonly applied. A safety lock and a safety gear are generally used as safety parts of a common elevator platform, and the safety gear is used as a common safety guarantee of an elevator and is indispensable under general conditions. The triggering mode of the safety tongs is mainly triggered by the elevator speed limiter, the speed limiter is inconvenient to install in advance on site, and the safety tongs are not suitable for being applied to the field. The other type of the triggering mechanism used by the domestic elevator installation platform is manual triggering, and the braking or releasing of the platform can be completed only by manual intervention, which is also a commonly used triggering mode at present. Therefore, the development of the automatic safety gear triggering mechanism based on the elevator platform, particularly the adjustable telescopic elevator platform, has important practical significance.
Disclosure of Invention
[ problem ] to
The technical problem of the invention is as follows: the existing safety gear has complex triggering mode or structure or needs to depend on manpower, and is inconvenient to use.
[ solution ]
The invention aims to provide an automatic trigger mechanism of safety tongs for a telescopic elevator installation platform, which has a simple structure and reliable action.
In order to achieve the above purpose, the technical scheme of the invention is as follows: an automatic safety gear triggering mechanism for a telescopic elevator installation platform comprises a moving part, a fixing part, a spring, a transverse rod piece and a triggering moving part; the fixing part is fixed on an upper beam of a portal frame of the elevator, the moving part is fixed on the elevator, the transverse rod piece is fixed on the upper beam of the portal frame through a shaft piece, two ends of the spring respectively support against the upper part of the fixing part and the lower part of the moving part, one end of the triggering moving part is hinged to the lower part of the moving part, the other end of the triggering moving part is fixed on the transverse rod piece, and the end part of the transverse rod piece is connected with a pulling plate of; when the elevator is fast weightless, the spring pushes the moving piece away, so that the moving piece is far away from the fixing piece, the moving piece drives the trigger moving piece to rotate around the transverse rod piece to drive the transverse rod piece to rotate, and the pulling plate is pulled when the transverse rod piece rotates.
Preferably, the fixing part is an inverted U-shaped plate, the moving part is a U-shaped plate, the inverted U-shaped plate is positioned in the U-shaped plate, two sides of the inverted U-shaped plate are respectively fixed to an upper beam of the portal frame, and the upper part of the U-shaped plate is fixed to the elevator; the lower part of the U-shaped plate is provided with a plurality of through holes, and the side walls of two sides of the U-shaped plate are provided with vertical slotted holes; the upper ends of the spring rods are fixed on the upper part of the inverted U-shaped plate, and the lower ends of the spring rods penetrate through the lower part of the U-shaped plate through holes; the springs are respectively connected on the spring rods in series, and two ends of each spring respectively support against the upper part of the inverted U-shaped plate and the lower part of the U-shaped plate; the cross rod passes through the U-shaped plate through the vertical slot hole.
Preferably, the number of the inverted U-shaped plates is two, the two inverted U-shaped plates are distributed in the U-shaped plates in parallel, two springs are arranged in each inverted U-shaped plate, and the two springs are symmetrically distributed on two sides of the transverse rod piece.
Preferably, a blocking piece is further fixed to a portion of the lower end of the spring rod penetrating through the U-shaped plate.
Preferably, the crossbar member is a retractable bar member.
Preferably, scalable member includes that thin violently manages, two thick violently pipes and two trigger bars, thin violently manages the via the vertical slot hole passes the U-shaped board, trigger the moving part and fix on thin horizontal pole, still overlap on the thin horizontal pole between trigger moving part and the U-shaped board and have the registration arm, on the registration arm passed through the fixed U-shaped board of square tube sleeve, the both ends of thin violently managing respectively peg graft and have a thick violently pipe, and two trigger bars peg graft respectively on thick violently managing, and thick violently manage and pass through the axle piece is fixed in the portal frame upper beam, through adjusting the total length of the position regulation scalable member of thick violently pipe peg graft on thin violently managing.
Preferably, the thin transverse tube and the thick transverse tube and the trigger rod are fixed through fastening screws.
Preferably, a square tube lock catch is further fixed on the trigger rod close to the shaft.
Preferably, the end part of the cross rod is connected with the pulling plate of the safety gear through a steel wire rope.
Preferably, the trigger rod is provided with an eyelet bolt, the eyelet bolt is perpendicular to the trigger rod, one end of the steel wire rope is connected to the eyelet bolt, and the other end of the steel wire rope is connected to the pulling plate.
[ advantageous effects ]
Compared with the prior art, the invention has the beneficial technical effects that:
1. the automatic trigger mechanism of the safety gear has the advantages of simple structure, convenient installation and low use and maintenance cost.
2. The automatic trigger mechanism of the safety tongs has simple function realization and convenient use, and can be automatically triggered without manual intervention.
3. The length direction of the automatic trigger mechanism of the safety tongs can be adjusted in a stepless manner, and the automatic trigger mechanism of the safety tongs is particularly suitable for a telescopic elevator installation platform.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view a-a of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is an overall installation schematic of the present invention.
Description of the main reference numerals: 1-trigger rod, 2-square tube lock catch, 3-thick transverse tube, 4-thin transverse tube, 5-square tube sleeve, 6-positioning tube, 7-inverted U-shaped plate, 8-U-shaped plate, 9-fastening screw, 10-connecting screw, 11-trigger moving part, 12-pressure spring, 13-spring rod, 14-swing bolt, 15-rope clip, 16-steel wire rope, 17-angle steel, 18-tension spring, 19-safety tongs, 20-pulling plate, 21-side connecting plate, 22-side C steel and 23-middle C steel.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 4: the invention mainly comprises a trigger rod 1, a square tube lock catch 2, a thick transverse tube 3, a thin transverse tube 4, a square tube sleeve 5, a positioning tube 6, an inverted U-shaped plate 7, a U-shaped plate 8, a fastening screw 9, a connecting screw 10, a trigger movable part 11, a pressure spring 12, a spring rod 13, an eyelet bolt 14, a rope clamp 15, a steel wire rope 16, angle steel 17, a tension spring 18, safety tongs 19, a pulling plate 20, a side connecting plate 21, side C steel 22, middle C steel 23 and the like. The inverted U-shaped plate 7 is fixed between the two middle C-shaped steel plates 23; the U-shaped plate 8 is of a U-shaped structure and is sleeved outside the two inverted U-shaped plates 7; the spring rods 13 penetrate between the inverted U-shaped plate 7 and the U-shaped plate 8, and 4 pressure springs 12 are respectively sleeved on the 4 spring rods 13.
Vertical slotted holes are formed in the side walls of two sides of the U-shaped plate 8, the thin transverse pipe 4 penetrates through the U-shaped plate 8 through the vertical slotted holes, the trigger moving part 11 is fixed on the thin transverse pipe 4, a positioning pipe 6 is further sleeved on the thin transverse pipe 4 between the trigger moving part 11 and the U-shaped plate 8, and the positioning pipe 6 is fixed on the inverted U-shaped plate 7 through a square pipe sleeve 5.
The two ends of the thin transverse pipe 4 are connected with the thick transverse pipe 3 in an inserted mode, the two trigger rods 1 are connected with the thick transverse pipe 3 in an inserted mode respectively, the thin transverse pipe and the trigger rods 1 are fixed through fastening screws 9 at the two ends of the thick transverse pipe 3, the side connecting plate 21 is fixed on the side C steel 22, a round hole is formed in the side connecting plate 21, and the thick transverse pipe 3 is fixed on the side C steel 22 through the side connecting plate serving as a shaft piece. The trigger moving part 11 is hinged with the U-shaped plate 8 through a connecting screw 10, the U-shaped plate 8 is provided with a transverse slotted hole, the connecting screw 10 is positioned in the transverse slotted hole, and the connecting screw 10 slides in the transverse slotted hole when the trigger moving part 11 rotates around the thin transverse pipe 4. The trigger bar 1 is also fixed with a square tube lock catch 2 near the side connecting plate 21 to lock the positions of the left and right trigger bars relative to the side connecting plate 21.
An articulated screw 14 is arranged on the trigger rod 1, and the direction of the articulated screw 14 is vertical to the direction of the trigger rod 1; one end of the steel wire rope 16 is connected with the swing screw 14 on the trigger rod 1, the other end of the steel wire rope is connected with the swing screw 14 of the pulling plate 14, and the tail of the steel wire rope 16 is locked through the rope clamp 15; the pulling plate 20 is connected with the wedge-shaped block of the safety gear 19, and the lower end of the pulling plate is connected with the angle steel 17 through a tension spring 18; the side C steel 22 and the middle C steel 23 are provided with a plurality of long holes, and the length of the whole trigger mechanism can be adjusted by matching different long holes.
The working process of the invention is as follows: when the lifting machine works normally, the lifting machine is arranged on the upper portion of the U-shaped plate 8, the platform is driven to run, under the action of self weight and load, the pressure spring 12 is compressed, and the U-shaped plate 8 can be abutted against the inverted U-shaped plate 7. When danger occurs, the upper end of the elevator is not stressed, the U-shaped plate 8 can move downwards away from the inverted U-shaped plate 7 under the action of the elastic force of the pressure spring 12, and the trigger moving part 11 rotates anticlockwise under the driving of the U-shaped plate 8 as shown in fig. 2, so that the whole thin transverse pipe 4, the whole thick transverse pipe 2 and the trigger rod 1 are driven to rotate anticlockwise. The movable joint screw 14 moves upwards to tighten the steel wire rope 16, and the safety gear pulling plate 20 is pulled to drive the wedge block of the safety gear 19 to move upwards, so that the safety gear is tightly stopped on the elevator guide rail, and the automatic triggering and braking functions are realized. If the danger needs to be unlocked after being relieved, the hoister only needs to be operated upwards to enable the U-shaped plate 8 to be stressed upwards to drive the trigger rod 1 to rotate clockwise, the steel wire rope 16 is loosened, and the wedge block of the safety gear moves downwards under the action of the tension spring 18, so that the safety gear is loosened. When the length is adjusted, only the fastening screw 9 needs to be loosened, the thick cross rod 3 and the thin cross rod 4 are still connected together when being stretched towards two sides due to the overlapping allowance, and the fastening screw 9 is screwed after the adjustment is completed.
The scope of the present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. that can be made by those skilled in the art within the spirit and principle of the inventive concept should be included in the scope of the present invention.
Claims (10)
1. An automatic safety gear triggering mechanism for a telescopic elevator installation platform is characterized by comprising a moving part, a fixed part, a spring, a cross rod piece and a triggering moving part;
the fixing part is fixed on an upper beam of a portal frame of the elevator, the moving part is fixed on the elevator, the transverse rod piece is fixed on the upper beam of the portal frame through a shaft piece, two ends of the spring respectively support against the upper part of the fixing part and the lower part of the moving part, one end of the triggering moving part is hinged to the lower part of the moving part, the other end of the triggering moving part is fixed on the transverse rod piece, and the end part of the transverse rod piece is connected with a pulling plate of;
when the elevator is fast weightless, the spring pushes the moving piece away, so that the moving piece is far away from the fixing piece, the moving piece drives the trigger moving piece to rotate around the transverse rod piece to drive the transverse rod piece to rotate, and the pulling plate is pulled when the transverse rod piece rotates.
2. The automatic safety tong triggering mechanism for the telescopic elevator installation platform is characterized in that the fixing part is an inverted U-shaped plate, the moving part is a U-shaped plate, the inverted U-shaped plate is positioned in the U-shaped plate, two sides of the inverted U-shaped plate are respectively fixed to an upper beam of a portal frame, and the upper part of the U-shaped plate is fixed to a hoist;
the lower part of the U-shaped plate is provided with a plurality of through holes, and the side walls of two sides of the U-shaped plate are provided with vertical slotted holes;
the upper ends of the spring rods are fixed on the upper part of the inverted U-shaped plate, and the lower ends of the spring rods penetrate through the lower part of the U-shaped plate through holes;
the springs are respectively connected on the spring rods in series, and two ends of each spring respectively support against the upper part of the inverted U-shaped plate and the lower part of the U-shaped plate;
the cross rod passes through the U-shaped plate through the vertical slot hole.
3. The automatic safety gear triggering mechanism for the telescopic elevator installation platform according to claim 2, wherein the number of the inverted U-shaped plates is two, the two inverted U-shaped plates are arranged in parallel in the U-shaped plates, two springs are arranged in each inverted U-shaped plate, and the two springs are symmetrically arranged on two sides of the cross rod.
4. The automatic safety gear triggering mechanism for the telescopic elevator installation platform as claimed in claim 2, wherein a blocking piece is further fixed to a portion of the lower end of the spring rod, which penetrates through the U-shaped plate.
5. The retractable elevator mounting platform safety gear automatic triggering mechanism of claim 1, wherein the cross bar member is a retractable bar member.
6. The automatic safety tongs triggering mechanism for the telescopic elevator mounting platform as claimed in claim 5, wherein the telescopic rod comprises a thin transverse tube, two thick transverse tubes and two triggering rods, the thin transverse tube passes through the U-shaped plate via the vertical slotted hole, the triggering moving part is fixed on the thin transverse rod, a positioning tube is further sleeved on the thin transverse rod between the triggering moving part and the U-shaped plate, the positioning tube is fixed on the inverted U-shaped plate through a square tube sleeve, the two ends of the thin transverse tube are respectively inserted with one thick transverse tube, the two triggering rods are respectively inserted on the thick transverse tubes, the thick transverse tubes are fixed on the upper beam of the portal frame through the shaft members, and the total length of the telescopic rod is adjusted by adjusting the positions of the thick transverse tubes inserted on the thin transverse tubes.
7. The automatic safety gear triggering mechanism for the telescopic elevator installation platform according to claim 6, wherein the thin transverse tube and the thick transverse tube and the trigger rod are fixed through fastening screws.
8. The automatic safety gear triggering mechanism for the telescopic elevator installation platform according to claim 7, wherein a square tube lock catch is further fixed on the triggering rod near the shaft.
9. The automatic safety gear triggering mechanism for the telescopic elevator installation platform according to claim 1, wherein the end of the crossbar is connected with the pulling plate of the safety gear through a steel wire rope.
10. The automatic safety gear triggering mechanism for a telescopic elevator installation platform according to claim 9, wherein the trigger bar is provided with an eye bolt perpendicular to the trigger bar, one end of the wire rope is connected to the eye bolt, and the other end of the wire rope is connected to the pulling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011209470.0A CN112299189A (en) | 2020-11-03 | 2020-11-03 | Automatic safety tongs triggering mechanism for telescopic elevator mounting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011209470.0A CN112299189A (en) | 2020-11-03 | 2020-11-03 | Automatic safety tongs triggering mechanism for telescopic elevator mounting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112299189A true CN112299189A (en) | 2021-02-02 |
Family
ID=74333941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011209470.0A Pending CN112299189A (en) | 2020-11-03 | 2020-11-03 | Automatic safety tongs triggering mechanism for telescopic elevator mounting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112299189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213389A (en) * | 2021-04-23 | 2021-08-06 | 无锡瑞吉德机械有限公司 | Compact elevator mounting platform |
-
2020
- 2020-11-03 CN CN202011209470.0A patent/CN112299189A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213389A (en) * | 2021-04-23 | 2021-08-06 | 无锡瑞吉德机械有限公司 | Compact elevator mounting platform |
| CN113213389B (en) * | 2021-04-23 | 2022-04-15 | 无锡瑞吉德机械有限公司 | Compact elevator mounting platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113241998B (en) | Prestressed flexible photovoltaic fixing support | |
| CN112431399A (en) | Hanging basket for building outer wall and mounting method thereof | |
| CN111576243A (en) | Bridge tensioning trolley with simple support and continuous negative moment | |
| CN112299189A (en) | Automatic safety tongs triggering mechanism for telescopic elevator mounting platform | |
| CN202273397U (en) | Lifting device for reversal hanging lifting frame | |
| CN213950266U (en) | Automatic safety tongs triggering mechanism for telescopic elevator mounting platform | |
| CN219078841U (en) | Quick hoist device of PC component | |
| CN111472531A (en) | Cantilever support frame | |
| CN109250623B (en) | Double self-locking stepping self-walking mechanism and control method | |
| KR20180043516A (en) | Transporting clamp for reinforced block | |
| CN216516813U (en) | Wall-attached support | |
| CN114592429A (en) | Tied arch bridge arch rib and wind brace auxiliary splicing construction system and construction method | |
| CN110125836B (en) | Fixing equipment for researching mechanical property of tower crane foundation and using method thereof | |
| CN109516390B (en) | Flat-head tower crane convenient for manual carrying and installation and field installation method | |
| CN210031521U (en) | Self-climbing steel beam-tying crane capable of changing amplitude | |
| CN114278071B (en) | Climbing frame for building construction | |
| CN221027044U (en) | Safety tongs pull rod mounting structure | |
| CN220299103U (en) | Assembled supporting device for precast beam transportation | |
| CN218203930U (en) | A jib system of changing for jib arched bridge | |
| CN220928629U (en) | Easy-to-use building platform | |
| CN215946426U (en) | Car anti-falling mechanism | |
| CN209397900U (en) | A kind of lifting device for scaffold for building | |
| CN216426418U (en) | Aluminum profile elevator derrick | |
| CN218377484U (en) | Flexible antidetonation support of fan | |
| CN113958131B (en) | Suspended ceiling structure of steel structure truss string system roof and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |