CN214935100U - Mounting structure to heavy safety tongs - Google Patents
Mounting structure to heavy safety tongs Download PDFInfo
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- CN214935100U CN214935100U CN202120793355.6U CN202120793355U CN214935100U CN 214935100 U CN214935100 U CN 214935100U CN 202120793355 U CN202120793355 U CN 202120793355U CN 214935100 U CN214935100 U CN 214935100U
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Abstract
The utility model discloses a to mounting structure of heavy safety tongs, include the counterweight frame and set up in the counterweight of counterweight frame, its characterized in that: the left side and the right side of the bottom of the counterweight frame are respectively provided with a safety gear, the top of the counterweight frame is provided with a lifting mechanism, the left side and the right side of the lifting mechanism are respectively provided with two groups of lifting rods, the two groups of lifting rods on the left side of the lifting mechanism are connected with the safety gear on the left side, and the two groups of lifting rods on the right side of the lifting mechanism are connected with the safety gear on the right side; the lifting mechanism drives the safety gear to work through the lifting rod. The utility model discloses reduce the width to heavy, the cost is reduced has improved application scope.
Description
Technical Field
The utility model relates to an elevator especially relates to a mounting structure to heavy safety tongs.
Background
Safety tongs are the safety arrangement of elevator. The elevator safety gear device is a safety device which emergently stops a car and clamps the car on a guide rail under the operation of a speed limiter when the speed of an 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 and is generally installed on a car frame or a counterweight frame.
Under normal conditions, install in the bottom that is heavily heavy to heavy safety tongs, and all be the standard component of direct purchase coming to heavy safety tongs under the general condition, because including the pincers body and carrying out the mechanism to heavy safety tongs, carry and draw the mechanism and need be connected through support and safety tongs. In this way, the width of the counterweight safety gear is relatively large, and the width of the counterweight can be normally made only according to the size of the counterweight safety gear. In many cases, the counterweight does not need to be as wide as this, but because the counterweight safety gear is wider, only a wider counterweight can be made in order to meet the installation requirements of the counterweight safety gear. Resulting in large counterweight sizes that affect counterweight installation, and also more costly. Therefore, the technical problem is solved by the skilled person in the art.
Disclosure of Invention
The utility model aims at providing a to heavy safety tongs's mounting structure, through using this structure, reduced to heavy size, the cost is reduced.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the mounting structure of the counterweight safety gear comprises a counterweight frame and a counterweight arranged in the counterweight frame, wherein the left side and the right side of the bottom of the counterweight frame are respectively provided with a safety gear, the top of the counterweight frame is provided with a lifting mechanism, the left side and the right side of the lifting mechanism are respectively provided with two groups of lifting rods, the two groups of lifting rods on the left side of the lifting mechanism are connected with the safety gear on the left side, and the two groups of lifting rods on the right side of the lifting mechanism are connected with the safety gear on the right side; the lifting mechanism drives the safety gear to work through the lifting rod.
In the technical scheme, a counterweight guide shoe is respectively arranged on the counterweight frame below each group of safety tongs.
Among the above-mentioned technical scheme, carry and draw the mechanism and include left side link gear, right side link gear, gangbar and carry and draw the piece, left side link gear rotate install in the top left side of counterweight housing, right side link gear rotate install in the top right side of counterweight housing, the both ends of gangbar respectively with left side link gear and right side link gear link to each other, carry draw the piece with right side link gear's tip links to each other, and is two sets of carry the top of pull rod with left side link gear links to each other, and another two sets of carry the top of pull rod with right side link gear links to each other.
In the technical scheme, the left linkage mechanism comprises a left rotating shaft, the left rotating shaft is rotatably mounted on the left side of the top of the counterweight housing, two groups of left connecting plates are arranged on the outer edge surface of the middle part of the left rotating shaft, the right side of the left connecting plate is vertically connected with the left outer edge surface of the left rotating shaft, the left end of the left connecting plate is arranged outside the left side of the left rotating shaft, and the tops of the two groups of lifting rods are respectively rotatably connected with the left ends of the two groups of left connecting plates; and a top connecting plate is arranged above the front end of the left rotating shaft, and the left side of the linkage rod is rotationally connected with the top of the top connecting plate.
In the above technical solution, the right linkage mechanism includes a right rotating shaft, the right rotating shaft is rotatably mounted on the right side of the top of the counterweight housing, two groups of right connecting plates are arranged on the outer edge surface of the middle portion of the right rotating shaft, the left side of the right connecting plate is vertically connected with the right outer edge surface of the right rotating shaft, the right end of the right connecting plate is arranged outside the right side of the right rotating shaft, and the tops of the two groups of lifting rods are respectively rotatably connected with the right ends of the two groups of right connecting plates; a bottom connecting plate is arranged below the front end of the left rotating shaft, and the right side of the linkage rod is rotatably connected with the bottom of the bottom connecting plate; the left side of the lifting piece is connected with the rear end of the right rotating shaft.
In the technical scheme, the pulling piece comprises a pulling plate and a pulling plate, the left side of the pulling plate is fixedly connected with the rear end of the right rotating shaft, the middle of the pulling plate is rotatably connected with the right side of the pulling plate, and the top and the bottom of the pulling plate are respectively provided with a connecting hole.
In the technical scheme, a fixed plate is arranged in the middle of the top surface of the counterweight frame, a vertical strip-shaped groove is formed in the fixed plate, and the middle of the linkage rod penetrates through the vertical strip-shaped groove; the middle part of gangbar is equipped with a stop nut, stop nut set up in the left side of fixed plate, the outside cover of gangbar is equipped with a spring, the left side of spring support in on stop nut's the right flank, the right side of spring support in on the left surface of fixed plate, the spring promotes the gangbar removes towards the left side.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the utility model discloses install safety tongs in the bottom of counterweight frame, will carry the mechanism and install at the top of counterweight frame, utilize to carry the pull rod and will carry the mechanism and be connected with safety tongs, can effectively reduce the width of counterweight frame like this, improve the convenience of installation, reduce cost.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a top view of a mounting portion of a lifting mechanism according to a first embodiment of the present invention;
fig. 3 is a schematic structural view of a joint between the safety gear and the lifting rod in the first embodiment of the present invention;
fig. 4 is a schematic view of a partial structure of a joint of the linkage rod, the left-side linkage mechanism and the right-side linkage mechanism according to an embodiment of the present invention.
Wherein: 1. a counterweight housing; 2. a counterweight; 3. safety tongs; 4. a lifting mechanism; 5. lifting a pull rod; 6. a counterweight guide shoe; 7. a guide rail; 8. a left side linkage mechanism; 9. a right linkage mechanism; 10. a linkage rod; 11. a pulling member; 12. a left rotating shaft; 13. a left side connecting plate; 14. a top connection plate; 15. a right rotating shaft; 16. a right side connecting plate; 17. a bottom connecting plate; 18. lifting the plate; 19. pulling a plate; 20. a fixing plate; 21. a limit nut; 22. a spring; 23. and a right nut.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
the first embodiment is as follows: referring to fig. 1-4, an installation structure of a counterweight safety gear comprises a counterweight frame 1 and a counterweight 2 arranged in the counterweight frame, wherein safety gears 3 are respectively arranged on the left side and the right side of the bottom of the counterweight frame, a lifting mechanism 4 is arranged on the top of the counterweight frame, two groups of lifting rods 5 are respectively arranged on the left side and the right side of the lifting mechanism, the two groups of lifting rods on the left side of the lifting mechanism are connected with the safety gear on the left side, and the two groups of lifting rods on the right side of the lifting mechanism are connected with the safety gear on the right side; the lifting mechanism drives the safety gear to work through the lifting rod.
And a pair of guide shoes 6 are respectively arranged on the counterweight frame below each group of safety tongs.
In this embodiment, during installation, two sets of safety tongs are respectively installed on two sides of the bottom of the counterweight frame, so when the counterweight slides, the counterweight guide shoes slide on the guide rails 7 on two sides, the safety tongs also slide outside the guide rails, when a problem occurs, the lifting mechanism lifts, wedges in the safety tongs are pulled to rise through the lifting rods on two sides, and the guide rails are clamped by the wedges in the safety tongs, so that the counterweight is prevented from falling. The safety tongs only need to be provided with a shell and two groups of wedge blocks arranged in the shell, the distance between the two groups of wedge blocks is positioned outside the guide rail, and when the lifting rod pulls the wedge blocks to rise, the distance between the two groups of wedge blocks is reduced to clamp the guide rail. The width of safety tongs is little like this, carries and draws the mechanism setting at the top of putting up heavily, can not increase the width of safety tongs like this, and it is littleer to put up to heavily like this, is convenient for to heavy safety, reduce cost.
Referring to fig. 2 and 4, the lifting mechanism comprises a left linkage mechanism 8, a right linkage mechanism 9, a linkage rod 10 and a lifting piece 11, the left linkage mechanism is rotatably installed on the left side of the top of the counterweight frame, the right linkage mechanism is rotatably installed on the right side of the top of the counterweight frame, two ends of the linkage rod are respectively connected with the left linkage mechanism and the right linkage mechanism, the lifting piece is connected with the end part of the right linkage mechanism, the tops of two groups of lifting rods are connected with the left linkage mechanism, and the tops of the other two groups of lifting rods are connected with the right linkage mechanism.
When the lifting piece is lifted, the right linkage mechanism can be driven to work, and when the right linkage mechanism works, the left linkage mechanism is driven to work simultaneously through the linkage rod, and meanwhile, the lifting rod is pulled upwards, so that the lifting work is realized.
As shown in fig. 2 and 4, the left side linkage mechanism comprises a left side rotating shaft 12, the left side rotating shaft is rotatably mounted on the left side of the top of the counterweight housing, two groups of left side connecting plates 13 are arranged on the outer edge surface of the middle part of the left side rotating shaft, the right side of the left side connecting plates is vertically connected with the left side outer edge surface of the left side rotating shaft, the left ends of the left side connecting plates are arranged outside the left side of the left side rotating shaft, and the tops of the two groups of lifting rods are respectively rotatably connected with the left ends of the two groups of left side connecting plates; a top connecting plate 14 is arranged above the front end of the left rotating shaft, and the left side of the linkage rod is rotatably connected with the top of the top connecting plate.
The right side linkage mechanism comprises a right side rotating shaft 15, the right side rotating shaft is rotatably installed on the right side of the top of the counterweight housing, two groups of right side connecting plates 16 are arranged on the outer edge surface of the middle part of the right side rotating shaft, the left side of the right side connecting plates is vertically connected with the right side outer edge surface of the right side rotating shaft, the right end of the right side connecting plates is arranged outside the right side of the right side rotating shaft, and the tops of the two groups of lifting rods are respectively rotatably connected with the right ends of the two groups of right side connecting plates; a bottom connecting plate 17 is arranged below the front end of the left rotating shaft, and the right side of the linkage rod is rotatably connected with the bottom of the bottom connecting plate; the left side of the lifting piece is connected with the rear end of the right rotating shaft.
In this embodiment, when carrying and drawing a promotion, can drive right side pivot anticlockwise rotation, just also can drive the right-hand member of right side connecting plate and rotate up, just so can utilize the lifting rod on right side connecting plate pulling right side to rise, drive the safety tongs work on right side. When right side pivot anticlockwise rotation, can remove towards the right side through bottom connecting plate pulling gangbar, the gangbar can pull the top connecting plate and rotate towards the right side, and the top connecting plate will drive left side pivot clockwise turning, can drive the left side of left side connecting plate and rotate up, and the left safety tongs work of rethread left lifting rod drive, also when just being the lifting piece work, the synchronous two sets of safety tongs work of drive, and is efficient, and stability is good. And the left side link gear and the right side link gear are positioned above the counterweight blocks, so that the left side link gear and the right side link gear are completely hidden at the top of the counterweight frame, the space of the side part is not occupied, the occupation of the space is reduced, the width of the counterweight is reduced, the size of the counterweight is reduced, and the cost is reduced.
Referring to fig. 1, 2 and 4, the pulling member includes a pulling plate 18 and a pulling plate 19, the left side of the pulling plate is fixedly connected to the rear end of the right rotating shaft, the middle of the pulling plate is rotatably connected to the right side of the pulling plate, and the top and the bottom of the pulling plate are respectively provided with a connecting hole.
Referring to fig. 2, a fixing plate 20 is arranged in the middle of the top surface of the counterweight housing, a vertical strip-shaped groove is formed in the fixing plate, and the middle of the linkage rod penetrates through the vertical strip-shaped groove; the middle part of gangbar is equipped with a stop nut 21, stop nut set up in the left side of fixed plate, the outside cover of gangbar is equipped with a spring 22, the left side of spring support in on stop nut's the right flank, the right side of spring support in on the left surface of fixed plate, the spring promotes the gangbar removes towards the left side. Wherein, a right nut 23 is also screwed on the linkage rod and is arranged at the right side of the fixed plate, the right nut is propped against the right side surface of the fixed plate under the recovery state of the spring,
in this embodiment, when carrying and drawing the piece and no longer receiving and carrying pulling force, the spring can resume the normal position, will promote stop nut and gangbar and move towards the left side, can drive left side pivot anticlockwise rotation, right side pivot clockwise rotation through top connecting plate and bottom connecting plate like this, utilizes to carry the pull rod to promote safety tongs and resets to the normal position, no longer presss from both sides tight with the guide rail, relieves the tight dynamics of clamp between heavy and the guide rail.
Claims (7)
1. The utility model provides a to mounting structure to heavy safety tongs, includes to heavily putting up and set up to heavily in putting up to heavily, its characterized in that: the left side and the right side of the bottom of the counterweight frame are respectively provided with a safety gear, the top of the counterweight frame is provided with a lifting mechanism, the left side and the right side of the lifting mechanism are respectively provided with two groups of lifting rods, the two groups of lifting rods on the left side of the lifting mechanism are connected with the safety gear on the left side, and the two groups of lifting rods on the right side of the lifting mechanism are connected with the safety gear on the right side; the lifting mechanism drives the safety gear to work through the lifting rod.
2. The mounting structure of the counterweight safety gear according to claim 1, characterized in that: and a pair of counterweight guide shoes are respectively arranged on the counterweight frame below each group of safety tongs.
3. The mounting structure of the counterweight safety gear according to claim 1, characterized in that: carry and draw mechanism and include left side link gear, right side link gear, gangbar and carry and draw the piece, left side link gear rotate install in the top left side of counterweight frame, right side link gear rotate install in the top right side of counterweight frame, the both ends of gangbar respectively with left side link gear and right side link gear link to each other, carry draw the piece with right side link gear's tip links to each other, and is two sets of carry the top of pull rod with left side link gear links to each other, and is two sets of in addition carry the top of pull rod with right side link gear links to each other.
4. The mounting structure of the counterweight safety gear according to claim 3, characterized in that: the left side linkage mechanism comprises a left side rotating shaft, the left side rotating shaft is rotatably installed on the left side of the top of the counterweight housing, two groups of left side connecting plates are arranged on the outer edge surface of the middle part of the left side rotating shaft, the right side of the left side connecting plates is vertically connected with the left side outer edge surface of the left side rotating shaft, the left end of the left side connecting plates is arranged outside the left side of the left side rotating shaft, and the tops of the two groups of lifting rods are respectively rotatably connected with the left ends of the two groups of left side connecting plates; and a top connecting plate is arranged above the front end of the left rotating shaft, and the left side of the linkage rod is rotationally connected with the top of the top connecting plate.
5. The mounting structure of the counterweight safety gear according to claim 3, characterized in that: the right side linkage mechanism comprises a right side rotating shaft, the right side rotating shaft is rotatably installed on the right side of the top of the counterweight housing, two groups of right side connecting plates are arranged on the outer edge surface of the middle part of the right side rotating shaft, the left side of the right side connecting plates is vertically connected with the right side outer edge surface of the right side rotating shaft, the right end of the right side connecting plates is arranged outside the right side of the right side rotating shaft, and the tops of the two groups of lifting rods are respectively rotatably connected with the right ends of the two groups of right side connecting plates; a bottom connecting plate is arranged below the front end of the left rotating shaft, and the right side of the linkage rod is rotatably connected with the bottom of the bottom connecting plate; the left side of the lifting piece is connected with the rear end of the right rotating shaft.
6. The mounting structure of the counterweight safety gear according to claim 5, characterized in that: the lifting piece comprises a lifting plate and a pulling plate, the left side of the pulling plate is fixedly connected with the rear end of the right rotating shaft, the middle of the lifting plate is rotatably connected with the right side of the pulling plate, and the top and the bottom of the lifting plate are respectively provided with a connecting hole.
7. The mounting structure of the counterweight safety gear according to claim 3, characterized in that: a fixing plate is arranged in the middle of the top surface of the counterweight frame, a vertical strip-shaped groove is formed in the fixing plate, and the middle of the linkage rod penetrates through the vertical strip-shaped groove; the middle part of gangbar is equipped with a stop nut, stop nut set up in the left side of fixed plate, the outside cover of gangbar is equipped with a spring, the left side of spring support in on stop nut's the right flank, the right side of spring support in on the left surface of fixed plate, the spring promotes the gangbar removes towards the left side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793355.6U CN214935100U (en) | 2021-04-19 | 2021-04-19 | Mounting structure to heavy safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120793355.6U CN214935100U (en) | 2021-04-19 | 2021-04-19 | Mounting structure to heavy safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214935100U true CN214935100U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120793355.6U Active CN214935100U (en) | 2021-04-19 | 2021-04-19 | Mounting structure to heavy safety tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214935100U (en) |
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2021
- 2021-04-19 CN CN202120793355.6U patent/CN214935100U/en active Active
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