CN213469652U - Rack drilling clamp for elevator - Google Patents
Rack drilling clamp for elevator Download PDFInfo
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- CN213469652U CN213469652U CN202022327270.7U CN202022327270U CN213469652U CN 213469652 U CN213469652 U CN 213469652U CN 202022327270 U CN202022327270 U CN 202022327270U CN 213469652 U CN213469652 U CN 213469652U
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- rack
- elevator
- assembly
- positioning block
- tooth
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- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims description 30
- 238000009987 spinning Methods 0.000 claims description 15
- 238000003754 machining Methods 0.000 abstract description 6
- 238000004904 shortening Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 11
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 210000003781 tooth socket Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The application discloses rack boring grab for elevator, including the workstation that is equipped with the loading end, the loading end contacts with the rack side of treating drilling, locate the first locating piece on the workstation, the locating piece side supports with the bottom surface of rack and leans on, locate the first subassembly that compresses tightly of rack addendum lateral part, act on the side pressure subassembly of tooth's socket on the rack, and support the second locating piece that leans on with the rack tip, the side pressure subassembly includes the ejector pin of following in the extension of tooth's socket side looks vertical direction or shortening, the first driving piece of being connected with the ejector pin, first subassembly that compresses tightly cooperatees with first locating piece, rack width direction presss from both sides the rack tightly. The application provides a rack boring grab for elevator accomplishes the counter bore processing of rack side in a clamping to and the screw hole processing on the rack both ends face, the counter bore of processing, screw hole quality accuracy are high, and rack drilling machining efficiency is high.
Description
Technical Field
The application relates to the field of common equipment processing, in particular to a rack drilling clamp for an elevator.
Background
Construction elevators are generally referred to as construction elevators, but construction elevators comprise a broader definition and construction platforms also belong to the construction elevator series. The simple construction elevator consists of a lift car, a driving mechanism, a standard knot, an attached wall, a chassis, a fence, an electrical system and the like, is a manned cargo-carrying construction machine frequently used in buildings, is comfortable and safe to ride due to the unique box body structure, is usually matched with a tower crane to use on a construction site, generally has the carrying capacity of 1-3 tons, and has the running speed of 1-60M/min. The construction elevator is usually matched with a tower crane to be used on a construction site, and the construction elevator climbs and descends by adopting the meshing of a gear and a rack, so the precision of the rack is particularly important.
In order to stably mount the rack, a mounting hole is usually designed in a side surface of the rack (a tooth top of the rack is used as a top, and a surface corresponding to the tooth top is used as a bottom surface), the mounting hole is a counter bore (stepped hole), in order to connect adjacent racks, a threaded hole is provided in an end surface of the rack, and in order to improve the machining efficiency and reduce the quality problem caused by repeated clamping and positioning errors, the clamping problem during drilling of the rack is very important.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned technical problem, this application provides a rack boring grab for elevator accomplishes the counter bore processing of rack side in a clamping to and the screw hole processing on the face of rack both ends, the counter bore of processing, screw hole quality accuracy are high, and rack drilling machining efficiency is high.
The technical scheme provided by the application is as follows:
a rack drilling clamp for an elevator comprises a workbench provided with a bearing surface, wherein the bearing surface is in contact with the side surface of a rack to be drilled;
the first positioning block is arranged on the workbench, and the side surface of the first positioning block is abutted against the bottom surface of the rack;
the first pressing assembly is arranged on the tooth top side part of the rack;
a lateral pressure assembly acting on the toothed slot on the rack;
and a second positioning block abutted against the end of the rack;
the side pressure assembly comprises an ejector rod perpendicular to the side face of the tooth groove and a first driving piece connected with the ejector rod, the first pressing assembly is matched with the first positioning block and clamps the rack in the width direction of the rack, the ejector rod is in an extending state or a retracting state, and the extending direction of the ejector rod faces the direction of the second positioning block.
Preferably, the spinning assembly is arranged on the side portion of the first positioning block and comprises a first pressing block, a rotary telescopic shaft connected with the first pressing block and a second driving piece for driving the rotary telescopic shaft to rotate and stretch along the axis direction of the rotary telescopic shaft.
Preferably, the spinning assemblies are provided with at least two spinning assemblies along the length direction of the rack.
Preferably, at least two first pressing assemblies are arranged along the length direction of the rack.
Preferably, the first pressing assembly comprises a clamping plate far away from or in contact with the top of the rack, a third telescopic piece connected with the clamping plate, and a third driving piece driving the third telescopic piece to extend or contract.
Preferably, the number of the third telescopic pieces is two, and the two third telescopic pieces are arranged in parallel and are connected with the third driving piece.
Preferably, the included angle between the axis of the ejector rod and the parallel line along the length direction of the rack is 15-60 degrees.
The utility model provides a pair of rack boring grab for elevator, including the workstation that is equipped with the loading end, the loading end contacts with the rack side of treating drilling, locate first locating piece on the workstation, first locating piece side supports with the bottom surface of rack and leans on, locate the first subassembly that compresses tightly of rack addendum lateral part, act on the side pressure subassembly of tooth's socket on the rack, and the second locating piece that supports with the rack tip and lean on, the side pressure subassembly includes the ejector pin with tooth's socket side looks vertically, the first driving piece of being connected with the ejector pin, first compressing tightly the subassembly and cooperateing with first locating piece, press from both sides the rack along rack width direction, the ejector pin has extension state or withdrawal state, the extension direction of ejector pin is the direction towards the second locating piece. When the rack is drilled and processed, the top with the tooth top is taken as the top of the rack, the plane corresponding to the tooth top is taken as the bottom of the rack, and the tooth top and the bottom of the rack form the width of the rack; the side surface of the rack is in contact with the bearing surface, the other side surface of the rack is used as a drilling working surface, a counter bore is drilled on the drilling working surface, and the distance between the bearing surface and the drilling working surface is the thickness of the rack; the end part of the rack abuts against the second positioning block, and the distance between the two end parts of the rack is the length of the rack. Compared with the prior art, the rack drilling clamp for the elevator, provided by the application, the first positioning block, the second positioning block and the bearing surface form a processing and positioning reference, acting force is applied to the tooth top of the rack through the first pressing component, the rack is clamped tightly from the width direction of the rack under the combined action of the first positioning block and the second positioning block, and the ejector rod of the side pressing component exerts acting force on the second positioning block when the ejector rod extends towards the side surface of the tooth socket in the vertical direction, and the rack is clamped tightly from the length direction under the combined action of the ejector rod and the second positioning block. Therefore, the rack drilling clamp for the elevator provided by the application completes the processing of the counter bore on the side face of the rack in one-time clamping and the processing of the threaded holes on the two end faces of the rack, so that the quality precision of the processed counter bore and the threaded holes is high, and the rack drilling processing efficiency is high.
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 view of a rack drilling jig for an elevator according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first pressing assembly, a lateral pressing assembly and a spinning assembly provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the first pressing assembly, the lateral pressing assembly, and the spinning assembly provided in an embodiment of the present invention at another viewing angle.
Description of reference numerals: 26. a work table; 27. a first positioning block; 28. a first hold-down assembly; 29. a lateral pressure component; 30. a second positioning block; 31. a top rod; 32. a first driving member; 33. a spinning assembly; 34. A first pressing block; 35. a second driving member; 36. a clamping plate; 37. a third telescoping member; 38. and a third driving member.
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 with reference to the drawings in the embodiments of the present application, 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," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the 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 considered 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, the meaning of a plurality of or a plurality of is 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.
Please show as fig. 1 to fig. 3, the utility model provides a rack boring grab for elevator, including the workstation 26 that is equipped with the loading end, the loading end contacts with the rack side of waiting to drill, locate first locating piece 27 on workstation 26, first locating piece 27 side supports with the bottom surface of rack and leans on, locate the first subassembly 28 that compresses tightly of rack addendum lateral part, act on the side pressure subassembly 29 of tooth's socket on the rack, and support the second locating piece 30 that leans on with the rack tip, side pressure subassembly 29 includes the ejector pin 31 perpendicular with tooth's socket side, the first driving piece 32 of being connected with ejector pin 31, first subassembly 28 and the cooperation of compressing tightly, press from both sides the rack along rack width direction, ejector pin 31 has extension state or withdrawal state, the extension direction of ejector pin 31 is the direction towards second locating piece 30. When the rack is drilled and processed, the top with the tooth top is taken as the top of the rack, the plane corresponding to the tooth top is taken as the bottom of the rack, and the tooth top and the bottom of the rack form the width of the rack; the side surface of the rack is in contact with the bearing surface, the other side surface of the rack is used as a drilling working surface, a counter bore is drilled on the drilling working surface, and the distance between the bearing surface and the drilling working surface is the thickness of the rack; the end of the rack abuts against the second positioning block 30, and the distance between the two ends of the rack is the length of the rack. Compared with the prior art, the rack drilling clamp for the elevator, provided by the application, the first positioning block 27, the second positioning block 30 and the bearing surface form a processing and positioning reference, acting force is applied to the tooth top of the rack through the first pressing component 28, the rack is clamped from the width direction of the rack under the combined action of the first positioning block 27, the ejector rod 31 of the side pressing component 29 exerts acting force on the second positioning block 30 when the ejector rod 31 extends towards the vertical direction of the tooth socket side surface, and the rack is clamped from the length direction under the combined action of the ejector rod 31 and the second positioning block 30. Therefore, the rack drilling clamp for the elevator provided by the application completes the processing of the counter bore on the side face of the rack in one-time clamping and the processing of the threaded holes on the two end faces of the rack, so that the quality precision of the processed counter bore and the threaded holes is high, and the rack drilling processing efficiency is high.
Wherein, rack boring grab for elevator includes locating the spinning subassembly 33 of first locating piece 27 lateral part, and spinning subassembly 33 includes first briquetting 34, the rotatory telescopic shaft of being connected with first briquetting 34 to and the rotatory telescopic shaft of drive, and along the second driving piece 35 of its axis direction expansion and contraction. The second driving member 35 may have a specific structure that the first gear is engaged with the second gear, the telescopic cylinder is mounted on the second gear, the motor drives the first gear to rotate, the rotary telescopic shaft is mounted on the telescopic cylinder, the motor is started, the first gear rotates to drive the second gear to rotate, the telescopic cylinder also rotates synchronously, and at this time, the rotary telescopic shaft rotates; when the telescopic cylinder is started, the rotary telescopic shaft is extended, and therefore, the second driving member 35 is configured as the above structure, so that the rotary telescopic shaft can have both the rotating function and the telescopic function. Since the rotary telescopic shaft can rotate and telescope, the first presser 34 connected to the rotary telescopic shaft can also rotate and telescope. When the rack needs to be drilled, the first pressing assembly 28 and the side pressing assembly 29 clamp the rack from the width direction and the length direction, the first pressing block 34 rotates to the position above the rack, the first pressing block 34 retracts, the first pressing block 34 presses the side face (namely, a drilling working face) of the rack, and the rack is clamped from the thickness direction through the first pressing block 34.
Further, at least two spinning assemblies 33 are arranged along the length direction of the rack.
At least two first pressing assemblies 28 are arranged along the length direction of the rack. Preferably, the number of the first positioning blocks 27 is at least two, so that two surfaces of the rack in the length direction have two acting points, the bottom surface of the rack is in contact with the two first positioning blocks 27, the size precision between the counter bore and the first positioning blocks 27 is ensured, and the number of the spinning assemblies 33 is two, and the two spinning assemblies are arranged corresponding to the first positioning blocks 27, so that the rack is clamped more reliably when the rack is longer. At least two spinning assemblies 33 are arranged along the length direction of the rack, two downward pressing points are arranged along the thickness direction of the rack, and the phenomenon that the machining precision of drilling is influenced due to the fact that the rack is in a gap with the bearing surface in the machining process is avoided.
The first pressing assembly 28 includes a clamping plate 36, a third telescopic member 37 connected to the clamping plate 36, and a third driving member 38 for driving the third telescopic member 37 to extend or contract. The rack drilling is usually the last step of rack processing, the processing of the tooth top and the tooth socket is finished, the clamping plate 36 is adopted to clamp the rack, the contact area between the first pressing assembly 28 and the tooth top is increased, the tooth top damage caused by overlarge local pressure of the tooth top is avoided, and the damage to the rack in the rack drilling processing is avoided.
Further, three third telescopic members 37 are provided, and two third telescopic members 37 are arranged in parallel and are connected with the third driving member 38. When the clamping plate 36 is too large, a third telescopic piece 37 applies a compression point, so that the periphery of the clamping plate cannot be attached to the tooth top, the clamping effect is better when the rack is machined, the third telescopic pieces 37 are arranged into two, the clamping plate 36 is in closer contact with the tooth top, the tooth top is uniformly stressed when the hole is drilled, and the tooth top is prevented from being damaged during machining.
The utility model provides an in the embodiment, the axis of ejector pin 31 and the contained angle between the parallel lines along rack length direction are 15 ~ 60, because the tooth's socket is the inclined plane, set up the contained angle into 15 ~ 60 for the effort of ejector pin 31 is mutually perpendicular with the side of tooth's socket, avoids producing the clearance between ejector pin 31 and the tooth's socket, avoids the rack to produce in the course of working and rocks.
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 drilling clamp for an elevator is characterized by comprising a workbench (26) provided with a bearing surface, wherein the bearing surface is in contact with the side surface of a rack to be drilled;
the first positioning block (27) is arranged on the workbench (26), and the side surface of the first positioning block (27) is abutted against the bottom surface of the rack;
a first pressing component (28) arranged at the tooth top side part of the rack;
a side pressure assembly (29) acting on the tooth grooves on the rack;
and a second positioning block (30) abutting against the end of the rack;
the side pressure assembly (29) comprises an ejector rod (31) perpendicular to the side face of the tooth groove and a first driving piece (32) connected with the ejector rod (31), the first pressing assembly (28) is matched with the first positioning block (27) and clamps the rack along the width direction of the rack, the ejector rod (31) is in an extending state or a retracting state, and the extending direction of the ejector rod (31) faces to the direction of the second positioning block (30).
2. The rack drilling jig for elevators according to claim 1, comprising a spinning assembly (33) provided at a side of the first holding block (27), the spinning assembly (33) comprising a first pressing block (34), a rotary telescopic shaft connected to the first pressing block (34), and a second driving member (35) driving the rotary telescopic shaft to rotate and to be telescopic in an axial direction thereof.
3. The rack drilling jig for an elevator according to claim 2, wherein the spinning assembly (33) is provided in at least two in a length direction of the rack.
4. The rack boring jig for an elevator according to claim 1, wherein the first pressing assembly (28) is provided in at least two in a length direction of the rack.
5. The rack drilling jig for an elevator according to claim 4, wherein the first compressing assembly (28) includes a clamping plate (36) distant from or contacting the top of the rack, a third telescopic member (37) connected to the clamping plate (36), and a third driving member (38) driving the third telescopic member (37) to expand or contract.
6. Rack drilling jig for elevators according to claim 5, characterized in that there are two of said third telescopic members (37), two of said third telescopic members (37) being juxtaposed and both being connected to said third driving member (38).
7. The rack boring jig for an elevator according to claim 1, wherein an angle between an axis of the top rod (31) and a parallel line along a length direction of the rack is 15 ° to 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327270.7U CN213469652U (en) | 2020-10-19 | 2020-10-19 | Rack drilling clamp for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327270.7U CN213469652U (en) | 2020-10-19 | 2020-10-19 | Rack drilling clamp for elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213469652U true CN213469652U (en) | 2021-06-18 |
Family
ID=76368190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022327270.7U Active CN213469652U (en) | 2020-10-19 | 2020-10-19 | Rack drilling clamp for elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213469652U (en) |
-
2020
- 2020-10-19 CN CN202022327270.7U patent/CN213469652U/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 | ||
| 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 rack drilling fixture for elevators Granted publication date: 20210618 License type: Common License Record date: 20230905 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231007 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. |