CN209668567U - A kind of elevator speed limit tester - Google Patents
A kind of elevator speed limit tester Download PDFInfo
- Publication number
- CN209668567U CN209668567U CN201822242799.1U CN201822242799U CN209668567U CN 209668567 U CN209668567 U CN 209668567U CN 201822242799 U CN201822242799 U CN 201822242799U CN 209668567 U CN209668567 U CN 209668567U
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- speed
- wheel
- tests
- encoder
- mounting base
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Abstract
The utility model relates to a kind of elevator speed limit testers, including fifth wheel, encoder and fifth wheel installing mechanism, the fifth wheel includes test the speed wheel disc and the rotary shaft being fixedly connected, the wheel disc that tests the speed is in contact with the outer rim of rope sheave, the encoder and the rotation axis connection, the fifth wheel are installed on the fifth wheel installing mechanism；The wheel disc that tests the speed is that magnetism tests the speed wheel disc.Compared with prior art, the utility model has many advantages, such as that structure is simple, easy to use, measurement data is accurate, measurement efficiency is high, easy to disassemble.
Description
Technical field
The utility model relates to Measurement of Elevator technical fields, more particularly, to a kind of elevator speed limit tester.
Background technique
Elevator governor is a kind of device for limiting car speed, limits speed, speed limit when car speeding reaches limiter of speed
Device just shuts down, and drives wirerope to make elevator stopping by safety tongs linkage mechanism by it, fully ensures that the safety of elevator.
Therefore the on-site test of elevator governor, must examine item concerning personal safety particularly with using the old ladder of many years to be then one
Mesh.Speed limit tester currently on the market all uses Hall sensor measurement method mostly, measures limiter of speed by fifth wheel
The revolving speed of wheel disc, the data measured by sensor；In test process, traction steel-cable, traction machine on rope sheave and
Carriage etc. can be shaken due to cause for quality or other external force factors, so that test rope sheave is shaken, rope sheave shake is led
It causes its contact with fifth wheel not close, directly affects the inspection precision of fifth wheel, and the current wheel installation device that tests the speed is with tightly
Gu mechanism is fixed on matched installation site, quick disassembly and installation cannot achieve, cause elevator speed limit tester can not
It fast moves, influences detection efficiency.
Utility model content
The purpose of this utility model is exactly to provide a kind of elevator speed limit to overcome the problems of the above-mentioned prior art
Tester.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of elevator speed limit tester, including fifth wheel, encoder and fifth wheel installing mechanism, the fifth wheel include solid
Surely test the speed wheel disc and the rotary shaft connected, the wheel disc that tests the speed are in contact with the outer rim of rope sheave, the encoder and the rotation
Axis connection, the fifth wheel are installed on the fifth wheel installing mechanism；The wheel disc that tests the speed is that magnetism tests the speed wheel disc.
The wheel disc that tests the speed includes two blocks of magnet and plastics partition, and the plastics partition is placed between two blocks of magnet.
The outside of the wheel disc that tests the speed is equipped with rope sheave limit plate, and the rope sheave is placed between the rope sheave limit plate, and with
The wheel disc contact connectio that tests the speed.
The fifth wheel installing mechanism includes mounting base and the wheel support that tests the speed；The wheel support that tests the speed is fixedly installed in described
In mounting base, the rotary shaft is installed on described test the speed on wheel support.
The mounting base is magnetic mounting base.
The mounting base includes mounting plate and magnechuck, and the upside of the mounting plate and the wheel support that tests the speed are fixed and connected
It connects, downside is fixedly connected with the magnechuck.
The wheel support that tests the speed includes fixed bracket and rotating bracket, and the fixed bracket is equipped with the first L-type interconnecting piece,
The rotating bracket is equipped with the second L-type interconnecting piece, the first L-type interconnecting piece and the second L-type interconnecting piece and is turned by connecting shaft
Dynamic connection.
The fixed bracket and rotating bracket are equipped with two sets, and are symmetrically arranged in the mounting base；Two sets of fixations
Support shaft is equipped between bracket and two sets of rotating brackets.
The top of the rotating bracket is equipped with encoder mounting base, the encoder and the fixed company of the encoder mounting base
It connects, the detection rotary shaft of the encoder is connected by the rotary shaft of mounting hole and the fifth wheel in the encoder mounting base
It connects.
The acceleration when velocity of rotation and limiter of speed that the utility model detects rope sheave by the wheel disc that tests the speed are braked, further
Tension sensor cooperation on ground, the device and speed-limiting brake can also measure lifting power.
Compared with prior art, the utility model wheel disc that will test the speed uses Magnet design so that test the speed wheel disc and rope sheave it is tight
Close combination, reduces rope sheave during the test because rope sheave and the wheel disc that tests the speed caused by external factor is shaken are not bonded phenomenon,
Improve the accuracy of test data；The utility model uses mounting base of the magnechuck as the wheel disc that tests the speed, may be implemented it is quick,
Easily installation and removal improve detection efficiency；The test device has multiple function, and lifting power, speed (electric appliance may be implemented
Speed and mechanical speed), acceleration test it is single test and integration test function.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the working principle diagram of the utility model；
In figure, 1 is encoder, and 2 be fifth wheel, and 21 be the wheel disc that tests the speed, and 211 be plastics partition, and 212 be magnet, and 213 be rope
Limit plate is taken turns, 22 be rotary shaft, and 31 be fixed bracket, and 32 be rotating bracket, and 33 be connecting shaft, and 34 be support shaft, and 41 be installation
Plate, 42 be magnechuck, and 5 be data line, and 6 be rope sheave, and 7 be limiter of speed to be measured, and 8 be weight.
Specific embodiment
The utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
Embodiment
A kind of elevator speed limit tester, as depicted in figs. 1 and 2, including fifth wheel 2, encoder 1 and mounting base and fifth wheel
Bracket, fifth wheel 2 include test the speed wheel disc 21 and the rotary shaft 22 being fixedly connected, and the wheel disc 21 that tests the speed connects with the outer rim of rope sheave 6
Touching, encoder 1 are connect with rotary shaft 22；Mounting base includes mounting plate 41 and magnechuck 42, and the wheel support that tests the speed includes fixed branch
Frame 31 and rotating bracket 32, the upside of mounting plate 41 are connect with the fixation bracket 31 for the wheel support that tests the speed, downside and magnechuck 42
It is fixedly connected；Fixed bracket 31 is equipped with the first L-type interconnecting piece, and rotating bracket 32 is equipped with the second L-type interconnecting piece, the first L-type
Interconnecting piece and the second L-type interconnecting piece are rotatablely connected by connecting shaft 33, and the wheel disc 21 that tests the speed is installed on rotation branch by rotary shaft 22
On frame 32；Fixed bracket 31 and rotating bracket 32 are equipped with two sets, and are symmetrically arranged in mounting base；Two sets of fixed brackets
Support shaft 34 is equipped between 31 and two sets of rotating brackets 32；The top of rotating bracket 32 be equipped with encoder mounting base, encoder 1 with
Encoder mounting base is fixedly connected, and the detection rotary shaft of encoder 1 passes through the mounting hole and fifth wheel 2 in encoder mounting base
Rotary shaft 22 connects.The wheel disc 21 that tests the speed includes two blocks of magnet 212 and plastics partition 211, and plastics partition 211 is placed in two blocks of magnet
It between 212, prevents the south poles of magnet from attracting each other, offsets magnetic force；Test the speed wheel disc 21 outside be equipped with rope sheave limit plate 213,
Rope sheave 6 is placed between rope sheave limit plate 213, and is connected with the wheel disc 21 that tests the speed.
The working principle of the present embodiment is as shown in Fig. 2, tight by the wheel disc 21 that tests the speed of fifth wheel 2 in elevator speed limit tester
By the edge of the rope sheave 6 of limiter of speed 7 to be measured, then the magnechuck of mounting base 42 is inhaled on suitable pedestal, by encoder 1
It is connected with computer by data line 5, starts to test, 8 freely falling body of weight moves downward, the direction of freely falling body and freedom
Falling bodies height H is as shown in figure 3, weight 8 drives test rope to move downward, and test rope band running rope wheel 6 rotates, due to the wheel disc 21 that tests the speed
With magnetism, it can keep being in close contact with rope sheave 6, accurately measure the revolving speed of rope sheave 6, when 8 falling speed of weight is more than regulation
When speed, limiter of speed starts to brake, and the wheel disc 21 that tests the speed measures speed and acceleration during speed limit.Further, may be used also
Cooperate with the tension sensor on limiter of speed, realizes measurement lifting power.
The present embodiment wheel disc that will test the speed uses Magnet design, so that testing the speed wheel disc and rope sheave is combined closely, reduction is being tested
Rope sheave caused by rope sheave is shaken because of external factor in the process is not bonded phenomenon with the wheel disc that tests the speed, improves the accurate of test data
Degree；The utility model uses mounting base of the magnechuck as the wheel disc that tests the speed, and quick, convenient and fast installation and removal may be implemented,
Improve detection efficiency；The test device have multiple function, may be implemented lifting power, speed (electric appliance speed and mechanical speed),
The single test of acceleration test and integration test function
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (7)
1. a kind of elevator speed limit tester, including fifth wheel (2), encoder (1) and fifth wheel installing mechanism, the fifth wheel
It (2) include the wheel disc that tests the speed (21) being fixedly connected and rotary shaft (22), the wheel disc that tests the speed (21) connects with the outer rim of rope sheave (6)
Touching, the encoder (1) connect with the rotary shaft (22), and the fifth wheel (2) is installed on the fifth wheel installing mechanism；
It is characterized in that, the wheel disc that tests the speed (21) is that magnetism tests the speed wheel disc；
The wheel disc that tests the speed (21) includes two pieces of magnet (212) and plastics partition (211), and the plastics partition (211) is placed in institute
It states between two pieces of magnet (212)；
The outside of the wheel disc that tests the speed (21) is equipped with rope sheave limit plate (213), and the rope sheave (6) is placed in the rope sheave limit plate
(213) it between, and is connected with the wheel disc that tests the speed (21).
2. a kind of elevator speed limit tester according to claim 1, which is characterized in that the fifth wheel installing mechanism includes
Mounting base and the wheel support that tests the speed；The wheel support that tests the speed is fixedly installed in the mounting base, and the rotary shaft (22) is installed on
It is described to test the speed on wheel support.
3. a kind of elevator speed limit tester according to claim 2, which is characterized in that the mounting base is magnetic installation
Seat.
4. a kind of elevator speed limit tester according to claim 3, which is characterized in that the mounting base includes mounting plate
(41) it is fixedly connected with magnechuck (42), the upside of the mounting plate (41) with the wheel support that tests the speed, downside and the electricity
Magnetic-disc (42) is fixedly connected.
5. a kind of elevator speed limit tester according to claim 2, which is characterized in that the wheel support that tests the speed includes fixing
Bracket (31) and rotating bracket (32), the fixed bracket (31) is equipped with the first L-type interconnecting piece, on the rotating bracket (32)
Equipped with the second L-type interconnecting piece, the first L-type interconnecting piece and the second L-type interconnecting piece are rotatablely connected by connecting shaft (33).
6. a kind of elevator speed limit tester according to claim 5, which is characterized in that the fixed bracket (31) and rotation
Bracket (32) is equipped with two sets, and is symmetrically arranged in the mounting base；Two sets of fixed brackets (31) and two sets of rotating brackets
(32) support shaft (34) are equipped between.
7. a kind of elevator speed limit tester according to claim 6, which is characterized in that the top of the rotating bracket (32)
Equipped with encoder mounting base, the encoder (1) is fixedly connected with the encoder mounting base, the detection of the encoder (1)
Rotary shaft is connect by the mounting hole in the encoder mounting base with the rotary shaft (22) of the fifth wheel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242799.1U CN209668567U (en) | 2018-12-29 | 2018-12-29 | A kind of elevator speed limit tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242799.1U CN209668567U (en) | 2018-12-29 | 2018-12-29 | A kind of elevator speed limit tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209668567U true CN209668567U (en) | 2019-11-22 |
Family
ID=68564212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822242799.1U Active CN209668567U (en) | 2018-12-29 | 2018-12-29 | A kind of elevator speed limit tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209668567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111377330A (en) * | 2018-12-29 | 2020-07-07 | 上海龙钰电梯配件有限公司 | Elevator speed limit tester |
-
2018
- 2018-12-29 CN CN201822242799.1U patent/CN209668567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111377330A (en) * | 2018-12-29 | 2020-07-07 | 上海龙钰电梯配件有限公司 | Elevator speed limit tester |
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