CN213208823U - Rack end precision detection device - Google Patents
Rack end precision detection device Download PDFInfo
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- CN213208823U CN213208823U CN202022337446.7U CN202022337446U CN213208823U CN 213208823 U CN213208823 U CN 213208823U CN 202022337446 U CN202022337446 U CN 202022337446U CN 213208823 U CN213208823 U CN 213208823U
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- rack
- display device
- movable contact
- base
- rack end
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Abstract
The application discloses a rack end precision detection device, which comprises a base and a support perpendicular to the base; the base is provided with a tooth surface meshed with the rack to be detected; the movable contact is abutted against the end face of the rack to be detected and can move along the length direction of the base; and the display device is connected with the movable contact and is used for displaying the moving displacement of the movable contact along the axial direction of the movable contact. The application provides a pair of rack tip precision detection device, compare in prior art, simple structure can detect the tip precision of rack simply effectively in process of production.
Description
Technical Field
The utility model relates to a rack processing field especially relates to a rack end precision detection device.
Background
At present, in the engineering machinery industry, some parts can adopt gear and rack transmission, the gear and rack transmission converts rotary motion into linear motion, the transmission power of the gear and rack transmission is large, the speed range is wide, the efficiency is high, the work is reliable, the service life is long, the structure is compact, the constant transmission ratio can be ensured, and the gear and rack transmission is particularly suitable for mechanical equipment such as an elevator which does linear motion.
At present, the elevator for building construction produced in China generally adopts a gear rack transmission mechanism for lifting transmission. Because the stroke of elevator is longer, the rack that the elevator was used often adopts the multistage rack to assemble the use, at the elevator installation with the in-process of using, if the tip precision of rack is unqualified, the gear can not carry out the transmission on same axis, will cause the gear teeth of a cogwheel to be blocked or even smash at the during operation, make the elevator abnormal sound abnormal motion, not only influenced the comfort level when the elevator moves, seriously influenced the safety of elevator operation moreover.
Therefore, how to design a device for detecting the accuracy of the end portion of the rack, which can simply and effectively detect the accuracy of the end portion of the rack in the production process, is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned technical problem, this application provides a rack tip precision detection device, and it can carry out simple effectual detection to the tip precision of rack, the utility model discloses simple structure, convenient operation and precision are good, are fit for the detection of batch rack end face precision.
The technical scheme provided by the application is as follows:
the rack end precision detection device is characterized by comprising a base and a bracket perpendicular to the base; the base is provided with a tooth surface meshed with the rack to be detected; the movable contact is abutted against the end face of the rack to be detected and can move along the length direction of the base; and the display device is connected with the movable contact and is used for displaying the moving displacement of the movable contact along the axial direction of the movable contact.
Preferably, the bracket is provided with a through hole for the display device to pass through and be mounted on the bracket.
Preferably, the through hole is composed of two semicircular holes, the inner diameter of the through hole is smaller than or equal to the outer diameter of the display device, and a fastening piece for fixing the display device in the through hole is arranged below the through hole.
Preferably, the display device is a dial indicator, or the display device is a dial indicator.
Preferably, the display device is provided with a qualified area and a unqualified area of the rack end face precision.
Preferably, the handle is arranged on the base and is far away from one surface of the rack to be detected.
Preferably, the base is a hollow structure.
Preferably, the movable contact is detachably connected with the display device.
The utility model provides a rack end precision detection device, which is mainly used for detecting the end precision of racks in the batch production of the racks, and is provided with a base and a bracket vertical to the base; the base is provided with a tooth surface meshed with the rack to be detected; the detection device is also provided with a movable contact which is abutted against the end face of the rack to be detected and can move along the length direction of the base and a display device connected with the movable contact; during measurement, the tooth surface of the rack to be detected is meshed with the tooth surface of the base, the end surface of the rack to be detected is abutted against the movable contact, the movable contact moves along the length direction of the rack, and the display device transversely penetrates through the support and can display the displacement of the movable contact moving along the axis direction of the movable contact. When the accuracy of the end face of the rack is detected, the moving displacement of the movable contact is displayed on the display device, and whether the accuracy of the end part of the rack is qualified or not is judged according to the displayed displacement. By the way, the utility model provides a pair of rack end precision detection device can carry out effectual detection to rack end precision, the utility model discloses simple structure, convenient operation are fit for the detection of batch rack end precision.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a rack end precision detection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a bracket according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
The embodiment of the utility model provides an adopt progressive mode to write.
The utility model provides a rack end precision detection device, before using, at first need zero setting to display device, concrete operation is: the standard rack is meshed with the tooth surface of the base, the end surface of the standard rack is abutted against the movable contact, and at the moment, the reading of the display device is reset to zero.
As shown in fig. 1-2, the present invention provides a rack end precision detecting device, which comprises a base 1 and a bracket 2 perpendicular to the base 1; the base 1 is provided with a tooth surface meshed with the rack to be detected; the movable contact 3 is abutted against the end face of the rack to be detected and can move along the length direction of the base; during measurement, the tooth surface of the rack to be detected is meshed with the base 1, the end surface of the rack is abutted against the movable contact 3, the movable contact 3 moves along the length direction of the rack, and the display device 4 for displaying the displacement of the movable contact 3 moving along the axial direction of the movable contact is further arranged, and the display device 4 transversely penetrates through the support 2 and is connected with the movable contact 3. Therefore, when the accuracy of the end face of the rack is detected, the moving displacement of the movable contact 3 is displayed on the display device 4, and whether the accuracy of the end part of the rack is qualified or not is judged according to the displayed displacement. By the way, the utility model provides a pair of rack end precision detection device can carry out effectual detection to rack end precision, the utility model discloses simple structure, convenient operation are fit for the detection of batch rack end precision.
Further, a through hole 5 is formed in the bracket 2, and the display device 4 is mounted on the bracket 2 through the through hole 5.
The display device 4 and the bracket 2 may be non-detachably connected, and preferably, the display device 4 is fixed on the bracket 2 by welding.
The embodiment of the utility model provides an among the rack tip precision detection device, 4 detachable of display device install on support 2. With this arrangement, when the display device 4 may be inaccurate or otherwise defective, only the display device 4 may be replaced without replacing the entire detection device.
Specifically, the through hole 5 is composed of two semicircular holes, the inner diameter of the through hole 5 is smaller than or equal to the outer diameter of the display device 4, and a fastening member 6 for fixing the display device 4 in the through hole 5 is arranged below the through hole 5.
Among them, the fastener 6 is preferably a bolt.
Further, the display device 4 is a dial indicator, or the display device 4 is a dial indicator. The detection accuracy of the rack can be selected according to the detection accuracy requirement of the rack in actual work.
Further, the display device 4 is provided with a non-defective region and a non-defective region that display the accuracy of the rack end face. By the arrangement, whether the accuracy of the end face of the rack meets the accuracy requirement or not can be judged more easily during detection. By providing different marks or scales on the surface of the display device 4, the two states can be clearly distinguished on the display device 4.
Furthermore, a handle is arranged at one end, far away from the tooth surface, of the base 1, so that detection of detection personnel is facilitated.
Further, the base 1 is of a hollow structure, so that the labor intensity of detection personnel is greatly reduced.
Furthermore, the movable contact 3 is made of hard alloy, so that the movable contact 3 is more wear-resistant, and the service life of the movable contact 3 is prolonged.
Furthermore, the movable contact 3 is detachably connected with the display device 4, so that the movable contact 3 is convenient to replace when worn.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A rack end precision detection device is characterized by comprising,
a base (1) and a bracket (2) perpendicular to the base (1);
the base (1) is provided with a tooth surface meshed with the rack to be detected;
the movable contact (3) is abutted against the end face of the rack to be detected and can move along the length direction of the base (1);
the display device (4) is connected with the movable contact (3) and transversely penetrates through the bracket (2) and is used for displaying the moving displacement of the movable contact (3) along the axial direction of the movable contact;
a through hole (5) is formed in the support (2), and the display device (4) penetrates through the through hole (5) and is installed on the support (2);
the through hole (5) is composed of two semicircular holes, the inner diameter of the through hole (5) is smaller than or equal to the outer diameter of the display device (4), and a fastening piece (6) used for fixing the display device (4) in the through hole (5) is arranged below the through hole (5).
2. The rack end accuracy detecting device according to claim 1, characterized in that said display device (4) is a dial indicator, or said display device (4) is a dial indicator.
3. The rack end accuracy detecting device according to claim 1, wherein the display device (4) is provided with a pass area and a fail area of the rack end face accuracy.
4. The rack end accuracy detecting device according to claim 1, further comprising a handle provided on the base (1) away from a face of the rack to be detected.
5. The rack end accuracy detecting device according to claim 1, wherein said base (1) is a hollow structure.
6. The rack end accuracy detecting device according to claim 1, wherein said movable contact (3) is made of cemented carbide.
7. The rack end accuracy detecting device according to claim 1, characterized in that the movable contact (3) and the display device (4) are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022337446.7U CN213208823U (en) | 2020-10-19 | 2020-10-19 | Rack end precision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022337446.7U CN213208823U (en) | 2020-10-19 | 2020-10-19 | Rack end precision detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213208823U true CN213208823U (en) | 2021-05-14 |
Family
ID=75826396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022337446.7U Active CN213208823U (en) | 2020-10-19 | 2020-10-19 | Rack end precision detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213208823U (en) |
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2020
- 2020-10-19 CN CN202022337446.7U patent/CN213208823U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan yuliangsheng Machinery Co.,Ltd. Assignor: Hunan Yusheng Technology Development Co.,Ltd. Contract record no.: X2023980040851 Denomination of utility model: A precision detection device for the end of a gear rack Granted publication date: 20210514 License type: Common License Record date: 20230905 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230925 Address after: 415700 group 23, Guanyinqiao village, Zoushi Town, Taoyuan County, Changde City, Hunan Province Patentee after: Hunan yuliangsheng Machinery Co.,Ltd. Address before: 415700 group 23, Guanyinqiao village, Zoushi Town, Taoyuan County, Changde City, Hunan Province Patentee before: Hunan Yusheng Technology Development Co.,Ltd. |
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| TR01 | Transfer of patent right |