CN216768164U - Movable brake block for safety tongs - Google Patents
Movable brake block for safety tongs Download PDFInfo
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- CN216768164U CN216768164U CN202220546489.2U CN202220546489U CN216768164U CN 216768164 U CN216768164 U CN 216768164U CN 202220546489 U CN202220546489 U CN 202220546489U CN 216768164 U CN216768164 U CN 216768164U
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- brake
- safety tongs
- brake pad
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Abstract
The application discloses safety tongs are with activity brake block, including the brake block body, brake block body one side sets up to the braking surface, the braking surface interval is provided with a plurality of braking portions, the braking portion is provided with the braking striae, the longitudinal section of braking striae is the wave, arbitrary adjacent two be provided with the chip groove between the braking portion. The wavy braking transverse lines are arranged, so that the braking effect is improved; and set up the chip groove between the braking portion, fatlute and iron fillings that produce when discharging the safety tongs braking guarantee the braking effect to improve the quiet ability of stopping of safety tongs, made it can satisfy the requirement of no scaffold frame installation.
Description
Technical Field
The utility model relates to the field of elevators, in particular to the field of elevator accessories, and particularly relates to a movable brake block for safety tongs.
Background
Safety tongs are the safety arrangement of elevator. The movable brake block is an important component of the safety gear, when the elevator needs to be braked, the safety gear is pulled, and the movable brake block is close to the fixed brake block, so that the movable brake block and the fixed brake block jointly clamp the guide rail, and the elevator is braked. At present, when the elevator is installed, the scaffold-free installation mode has the characteristics of high safety and low installation cost, the scaffold-free installation mode is that the car is used as a construction platform, the car can be parked at any position in a hoistway, the safety tongs are used as a brake, and the car needs to be stopped at any time.
The static braking effect of the conventional safety tongs is not ideal, and the requirement of scaffold-free installation cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a movable brake pad for safety gear that improves the static braking effect.
In a first aspect, the movable brake block for the safety gear comprises a brake block body, wherein one side of the brake block body is provided with a brake surface, a plurality of brake parts are arranged on the brake surface at intervals, brake transverse grains are arranged on the brake parts, the longitudinal sections of the brake transverse grains are wavy, and a chip removal groove is formed between any two adjacent brake parts.
According to the technical scheme provided by the embodiment of the application, the brake effect is improved by arranging the wavy brake transverse lines; and set up the chip groove between the braking portion, fatlute and iron fillings that produce when discharging the safety tongs braking guarantee the braking effect to improve the quiet ability of stopping of safety tongs, made it can satisfy the requirement of no scaffold frame installation.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a front view of a movable brake pad for safety gear according to an embodiment of the present invention;
FIG. 2 is a left side view of a movable brake pad for safety gear according to an embodiment of the present invention;
FIG. 3 is a perspective view of a movable brake pad for safety gear according to an embodiment of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 4, the movable brake pad for safety tongs of the present invention includes a brake pad body 10, a brake surface 11 is disposed on one side of the brake pad body 10, a plurality of brake portions 20 are disposed on the brake surface 11 at intervals, the brake portions 20 are provided with brake cross-threads 21, the longitudinal section of each brake cross-thread 21 is wavy, and a chip groove 30 is disposed between any two adjacent brake portions 20.
In the embodiment of the utility model, one side of the brake block body is provided with the brake surface, when the safety tongs brake, the brake surface presses the guide rail, and the car is parked through the friction force between the safety tongs and the guide rail. One side of the brake block body facing the guide rail is a braking surface. The braking surface comprises a plurality of braking portions arranged at intervals, the braking portions are provided with braking transverse lines, the longitudinal sections of the braking transverse lines are wavy, the wavy braking transverse lines can improve the friction coefficient of the braking portions, the static braking capacity of the safety tongs is improved, and the braking effect is improved. Be provided with the chip groove between two adjacent braking portions, the fatlute and the iron fillings that produce when the chip groove can discharge the safety tongs braking guarantee the braking effect.
Furthermore, the braking transverse striation 21 comprises a plurality of sequentially connected sub transverse striations 22, each sub transverse striation 22 comprises a first side surface 23 and a second side surface 24 which are perpendicular to each other, each sub transverse striation 22 takes a central surface 25 as a symmetry plane, an included angle between each first side surface 23 and the corresponding central surface 25 is 45 degrees, each first side surface 23 and each second side surface 24 form a right angle, and each central surface 25 is perpendicular to the corresponding braking surface 11.
In the embodiment of the utility model, the braking transverse striation is composed of a plurality of sequentially connected sub transverse striations, each sub transverse striation comprises a first side surface and a second side surface, the first side surface and the second side surface form a right angle, and the plurality of sub transverse striations form a tooth shape, so that the cutting capacity of the safety tongs to the guide rail can be improved when the safety tongs brake, and the braking capacity of the safety tongs, namely the static braking capacity of the safety tongs, can be improved. The first side is perpendicular with the second side, and the brake block body can play better supporting role to the horizontal line of braking, the stability of sub-horizontal line when having guaranteed the braking.
Further, the width of the single sub-striations 22 is 1.2 mm. The stability of the sub-transverse striation is ensured during braking.
Further, the height of the individual sub-striations 22 is 0.6 mm.
In the embodiment of the utility model, when the safety gear brakes, the sub-transverse striations are abraded, the height of a single sub-transverse striation is 0.6mm, the safety gear can be ensured to be used for multiple times, and the service life of the safety gear is prolonged.
Further, any two adjacent sub-transverse striations 22 are connected by an arc surface 26.
In the embodiment of the utility model, the two sub-transverse grains are connected through the cambered surface, so that the sub-transverse grains are conveniently processed, and the processing difficulty is reduced.
Further, the number of chip grooves 30 is 3 ~ 4. The chip removal capacity of the chip removal groove is considered, the coverage rate of the braking portion is guaranteed, and the static braking capacity of the safety tongs is guaranteed.
Further, a plurality of flutes 30 are equally spaced on the brake face 11.
In the embodiment of the utility model, the plurality of chip removal grooves are distributed on the braking surface at equal intervals, so that the movable braking block for the safety gear is convenient to process and manufacture, the movable braking block for the safety gear can uniformly remove chips, and the static braking capacity of the safety gear is ensured.
Further, the brake block body 10 comprises a top end 12 and a bottom end 13 which are oppositely arranged, the braking surface 11 and the top end 12 are transited through a first chamfer 14, and the braking surface 11 and the bottom end 13 are transited through a second chamfer 15.
In the embodiment of the utility model, the braking surface is provided with the first chamfer and the second chamfer, and the first chamfer and the second chamfer can avoid collision between the movable brake block for the safety gear and the guide rail if the guide rail is inclined due to uneven installation in the running process of the elevator, so that the reliability of the movable brake block for the safety gear is improved.
Further, the brake pad body 10 includes a third side 16, the third side 16 being provided with a marking zone 17.
In the embodiment of the utility model, when the safety gear is manufactured by the movable brake block, the tracing mark can be marked in the marking area, so that the parts can be traced conveniently.
Further, the braking surface 11 is coated with a rust preventive oil.
In the embodiment of the utility model, the brake surface is coated with the anti-rust oil, so that the possibility of rusting of the brake surface is reduced, the influence of rusting of the brake surface on the safety tongs is avoided, and the static brake capability of the safety tongs is ensured.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. The movable brake block for the safety tongs is characterized by comprising a brake block body, wherein one side of the brake block body is provided with a brake surface, a plurality of brake parts are arranged on the brake surface at intervals, brake transverse grains are arranged on the brake parts, the longitudinal sections of the brake transverse grains are wavy, and chip grooves are formed between any two adjacent brake parts.
2. The movable brake block for safety gear according to claim 1, wherein the braking cross-grain comprises a plurality of sub-cross-grains connected in sequence, the sub-cross-grains comprise a first side face and a second side face which are perpendicular to each other, the sub-cross-grains are symmetrical to a central plane, an included angle between the first side face and the central plane is 45 degrees, the first side face and the second side face form a right angle, and the central plane is perpendicular to the braking surface.
3. The movable brake pad for safety tongs according to claim 2, wherein the width of the single sub-cross-section is 1.2 mm.
4. The movable brake pad for safety tongs according to claim 2, wherein the height of the single sub-cross-section is 0.6 mm.
5. The movable brake pad for safety tongs according to claim 2, wherein any two adjacent sub-lateral threads are connected by a cambered surface.
6. The movable brake pad for safety tongs according to claim 1, wherein the number of the chip grooves is 3 to 4.
7. A movable brake pad for safety tongs according to claim 6 wherein a plurality of the flutes are equally spaced on the braking surface.
8. The movable brake pad for safety tongs according to claim 1, wherein the brake pad body includes a top end and a bottom end disposed opposite to each other, the braking surface transitions to the top end by a first chamfer, and the braking surface transitions to the bottom end by a second chamfer.
9. The movable brake pad for safety tongs of claim 1 wherein the brake pad body includes a third side surface, the third side surface being provided with a marking zone.
10. A movable brake pad for safety tongs according to claim 1 wherein the braking surface is coated with a rust preventive oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220546489.2U CN216768164U (en) | 2022-03-14 | 2022-03-14 | Movable brake block for safety tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220546489.2U CN216768164U (en) | 2022-03-14 | 2022-03-14 | Movable brake block for safety tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216768164U true CN216768164U (en) | 2022-06-17 |
Family
ID=81959716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220546489.2U Active CN216768164U (en) | 2022-03-14 | 2022-03-14 | Movable brake block for safety tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216768164U (en) |
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2022
- 2022-03-14 CN CN202220546489.2U patent/CN216768164U/en active Active
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