CN215469149U - Balance arm upper chord piece swinging and overlapping tool - Google Patents
Balance arm upper chord piece swinging and overlapping tool Download PDFInfo
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- CN215469149U CN215469149U CN202120990264.1U CN202120990264U CN215469149U CN 215469149 U CN215469149 U CN 215469149U CN 202120990264 U CN202120990264 U CN 202120990264U CN 215469149 U CN215469149 U CN 215469149U
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Abstract
The utility model provides a balance arm upper chord piece placing tool which is provided with a connecting lug plate and comprises an underframe, a positioning seat and a locking assembly, wherein the connecting lug plate is arranged on the upper chord piece; the positioning seat comprises a mounting seat and a positioning rod for positioning and connecting the lug plate, and the mounting seat is detachably connected to the bottom frame; the connecting lug plate is provided with a lug plate hole, the positioning rod is provided with a first positioning hole, the locking assembly comprises a positioning pin shaft and a fastener, and the positioning pin shaft sequentially penetrates through the first positioning hole and the lug plate hole and is connected with the fastener so that the positioning rod is locked with the connecting lug plate. The line drawing tool can directly position and swing without drawing lines, and can save the time of drawing lines for each line by about 2 hours. And the positioning rod and the locking assembly are adopted to position the whole swing lap after the lug plates are connected and processed, so that the positioning is more accurate, the integral boring machine is not needed for processing after welding, and the manufacturing cost is reduced by about 20%.
Description
Technical Field
The utility model belongs to the technical field of balance arm machining, and particularly relates to a balance arm upper chord piece swinging tool.
Background
The tower crane is a common hoisting device in construction sites and is mainly used for vertical and horizontal conveying of materials in building construction. The top of the tower crane is provided with a cargo boom and a balance arm, and the balance arm is a device for balancing the cargo boom when the tower crane lifts materials.
When the balance arm is machined, the chord member of the balance arm is usually fixed to a lap tool, and then the web member of the balance arm is welded. The existing overlapping process adopts the traditional mode: on the workshop flat board, draw the tape measure and draw the line and put up, but the inaccurate condition in location often appears in this kind of mode of putting up to need whole machine to add after the welding, whole course of working is wasted time and energy.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects or shortcomings in the prior art, the utility model provides a balance arm upper chord piece overlapping tool to improve the positioning accuracy of the upper chord piece overlapping.
In order to achieve the above object, the present invention provides a balance arm upper chord piece placing tool, wherein the upper chord piece is provided with a connecting ear plate, and the balance arm upper chord piece placing tool comprises:
a chassis;
the positioning seat comprises a mounting seat and a positioning rod for positioning and connecting the lug plate, and the mounting seat is detachably connected to the bottom frame;
the locking assembly is connected with the lug plate and provided with a lug plate hole, the positioning rod is provided with a first positioning hole and comprises a positioning pin shaft and a fastener, and the positioning pin shaft sequentially penetrates through the first positioning hole and the lug plate hole and is connected with the fastener so that the positioning rod is locked with the connecting lug plate.
In the embodiment of the utility model, the positioning rod and the connecting lug plate are fixedly connected.
In the embodiment of the utility model, one end of the positioning pin shaft is arranged in a circular knurl mode, the other end of the positioning pin shaft is provided with an external thread, and the fastening piece is a nut matched with the external thread.
In the embodiment of the utility model, a gasket is arranged between the nut and the positioning pin shaft, and the gasket is provided with a U-shaped clamping hole which is clamped with the peripheral wall of the positioning pin shaft.
In the embodiment of the utility model, the connecting lug plate is a double-lug plate, lug plate holes are formed in both the two lug plates of the double-lug plate, and the two lug plate holes and the first positioning hole are axially and concentrically arranged.
In the embodiment of the utility model, the balance arm upper chord piece placing tool further comprises an adjusting gasket paved on the inner side of the double lug plates, the adjusting gasket is in a U-shaped structure, the opening of the adjusting gasket is matched with the opening of the double lug plates, the adjusting gasket is provided with a second positioning hole, and the positioning pin shaft sequentially penetrates through the lug plate hole and the second positioning hole so as to fixedly connect the adjusting gasket and the double lug plates.
In the embodiment of the utility model, the balance arm upper chord piece swinging tool further comprises a wear-resistant sleeve arranged on the inner peripheral wall of the first positioning hole, and the inner side wall of the wear-resistant sleeve is in sealing fit with the outer side wall of the positioning pin shaft.
In an embodiment of the utility model, a plurality of brackets which are arranged at intervals and used for supporting the upper chord piece are arranged on the bottom frame.
In the embodiment of the utility model, the positioning seat is detachably connected with the underframe through the bolt assembly.
In an embodiment of the utility model, the length of the base frame is greater than the length of the upper chord piece.
Through the technical scheme, the balance arm upper chord piece swinging tool provided by the embodiment of the utility model has the following beneficial effects:
at the in-process of location upper chord piece, at first adopt the position of locating lever location connection otic placode, adopt locking Assembly to make locating lever and connection otic placode locking be in the same place after accomplishing the location, at the in-process of location, at first correspond the first locating hole of locating lever and the otic placode pore pair of connecting the otic placode, the locating pin axle passes first locating hole and otic placode pore in proper order, it is fixed to adopt the fastener after wearing out, so that locating lever and connection otic placode 4 are fixed, this kind of locate mode is simple swift, and the location is more accurate. The mounting seat is detachably connected with the bottom frame, the position of the mounting seat on the bottom frame can be changed according to the position of the upper chord piece connecting lug plate, so that the swinging and overlapping requirements of different balance arms are met, and the universality of the swinging and overlapping tool for the upper chord piece of the balance arm is improved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide an understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic view of a connection structure between a balance arm upper chord piece swing tool and a balance arm according to an embodiment of the utility model;
FIG. 2 is an axial sectional view of a connecting structure of a balance arm upper chord piece swing and overlapping tool and a connecting lug plate according to a first embodiment of the utility model;
FIG. 3 is an axial sectional view of a connecting structure of a balance arm upper chord piece swing and overlapping tool and a connecting lug plate according to a second embodiment of the utility model;
fig. 4 is a schematic structural view of a washer in the balance arm upper chord piece overlapping tool according to an embodiment of the utility model.
Description of the reference numerals
1 underframe 32 nut
11 bracket 33 gasket
2 positioning seat 331 fastening hole
21 mounting seat 34 adjusting shim
22-positioning rod 35 wear-resistant sleeve
3 locking assembly 4 connecting lug plate
31 positioning pin shaft 5 upper chord piece
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and explanatory of the utility model and are not restrictive thereof.
The balance arm upper chord piece swing tool according to the utility model is described below with reference to the accompanying drawings.
Referring to fig. 1, in an embodiment of the present invention, a balance arm upper chord piece placing tool is provided, where an upper chord piece 5 is provided with a connecting ear plate 4, and the balance arm upper chord piece placing tool includes an underframe 1, a positioning seat 2, and a locking assembly 3; the positioning seat 2 comprises a mounting seat 21 and a positioning rod 22 for positioning and connecting the lug plate 4, and the mounting seat 21 is detachably connected to the underframe 1; the locking assembly 3 is used for locking the positioning rod 22 with the connecting lug plate 4. In the process of positioning the upper chord piece 5, the positioning rod 22 is firstly adopted to position the connecting lug plate 4, the locking assembly 3 is adopted to lock the positioning rod 22 and the connecting lug plate 4 together after the positioning is completed, and the position of the connecting lug plate 4 is fixed and unchanged in the process of putting up, so that the positioning is more accurate, the positioning process is simple and convenient, and the working hours are saved. And the mounting seat 21 is detachably connected with the underframe 1, the position of the mounting seat 21 on the underframe 1 can be changed according to the position of the connecting lug plate 4 on the upper chord piece 5, so that the swinging and overlapping requirements of different balance arms are met, and the universality of the swinging and overlapping tool for the upper chord piece of the balance arm is improved.
In the embodiment of the present invention, the connecting ear plate 4 is provided with an ear plate hole, the positioning rod 22 is provided with a first positioning hole, the locking assembly 3 includes a positioning pin 31 and a fastener, and the positioning pin 31 sequentially passes through the first positioning hole and the ear plate hole and is connected to the fastener, so that the positioning rod 22 is fixedly connected to the connecting ear plate 4. Wherein, the locating pin 31 is the ladder round pin axle, at the in-process of location, at first correspond locating hole 22 of locating lever with the otic placode hole of engaging lug 4, the locating pin 31 passes first locating hole and otic placode hole in proper order, wear out the back and adopt the fastener fixed, so that locating lever 22 and engaging lug 4 are fixed, this kind of locate mode is simple swift, and the location is more accurate, this kind of pendulum is taken up the frock volume and is less, can account for more conventional frockFloor area is reduced by 20m2。
Wherein, chassis 1 is I-steel mosaic structure, makes holistic frock structure more stable, increase of service life. The swing tool in the embodiment can be directly positioned and swung without drawing lines, and the time for drawing each line can be saved by about 2 hours. And the positioning rod 22 and the locking component 3 are adopted to position the whole swing lap after the connection lug plate 4 is processed, the positioning is more accurate, the whole boring machine processing is not needed after the welding, and the manufacturing cost is reduced by about 20%. In addition, a plurality of connecting holes connected with the positioning seat 2 can be designed in the bottom frame 1 so as to meet the requirements of the swing action of more balance arm upper chord pieces 5.
In the embodiment of the present invention, one end of the positioning pin 31 is provided with a circular knurl, the other end of the positioning pin 31 is provided with an external thread, and the fastening member is a nut 32 matched with the external thread. The design of the outer circle of one end of the positioning pin shaft 31 is convenient for manual taking. The other end of the positioning pin shaft 31 is in a threaded design, and the positioning pin shaft 31 and the connecting lug plate 4 are screwed tightly through the nut 32, so that the eccentric of the holes after 5 balance arm upper chord pieces are put up in a swinging mode is prevented.
In the embodiment of the present invention, a washer 33 is disposed between the nut 32 and the positioning pin shaft, as shown in fig. 4, a U-shaped clamping hole 331 is formed in the washer 33, and the clamping hole 331 is clamped with the outer peripheral wall of the positioning pin shaft 31. The washer 33 is made of a flexible material, so that the positioning pin 31 can be pressed into the locking hole 331 by pressing, so that the positioning pin 31 is locked in the locking hole 331. As shown in fig. 3, in the first embodiment, the two claws of the locking hole 331 can directly extend into the ear plate hole to wrap the two sides of the positioning pin 31, so as to prevent the positioning pin 31 from being worn in the ear plate hole; as shown in fig. 2, in the second embodiment, the two claws of the locking hole 331 abut against the edges of the upper side holes of the lug holes, so that the nut 32 is prevented from moving relative to the positioning pin 31 while the positioning pin 31 is clamped.
In the embodiment of the present invention, the connecting ear plate 4 is a double-ear plate, two ear plates of the double-ear plate are both provided with ear plate holes, and the two ear plate holes and the first positioning hole are axially concentrically arranged. The double lug plates on the balance arm upper chord piece 5 are positioned through the first positioning holes machined by the positioning pin shafts 31 to control the overall length dimension of the upper chord piece 5. In the positioning process, the two lug plate holes and the first positioning hole are arranged concentrically in the axial direction and are positioned on the same straight line, so that the positioning is more accurate.
In the embodiment of the utility model, as shown in fig. 2 and 3, the balance arm upper chord piece placing tool further includes an adjusting shim 34 laid on the inner side of the double ear plates, the adjusting shim 34 is in a U-shaped structure, an opening of the adjusting shim 34 is matched with an opening of the double ear plates, a second positioning hole is formed in the adjusting shim 34, and the positioning pin 31 sequentially penetrates through the ear plate hole and the second positioning hole, so that the adjusting shim 34 is fixedly connected with the double ear plates. The adjusting gasket 34 is added on the inner side of the ear plate of the double-ear plate to control the opening of the double-ear plate, the adjusting gasket 34 is an open gasket, the opening of the adjusting gasket 34 is consistent and adaptive with the opening shape of the double-ear plate, and the adjusting gasket 34 can be directly taken out from the upper part of the positioning pin shaft 31 after the swinging and overlapping operation is completed between the connecting ear plate 4 and the upper chord piece 5 of the balance arm, so that the demolding is facilitated. In the positioning process, the second positioning hole in the adjusting shim 34 is arranged opposite to the axes of the two lug holes in the two lug plates, so that the positioning pin 31 can sequentially penetrate through one lug hole, the second positioning hole and the other lug hole and then is connected with the fastener, and the adjusting shim 34, the positioning pin 31 and the two lug plates are connected.
In the embodiment of the utility model, as shown in fig. 2 and 3, the balance arm upper chord piece placing tool further includes a wear-resistant sleeve 35 disposed on the inner peripheral wall of the first positioning hole, and the inner side wall of the wear-resistant sleeve 35 is in sealing fit with the outer side wall of the positioning pin 31. Because positioning pin 31 needs often to dismantle at the in-process that uses, consequently add wear-resisting cover 35 in first locating hole, only need change wear-resisting cover 35 when there is wearing and tearing in first locating hole, reduced the expense that later stage frock need be maintained after wearing and tearing.
In the embodiment of the present invention, as shown in fig. 1, the base frame 1 is provided with a plurality of brackets 11 arranged at intervals and used for supporting the upper chord piece 5. The plurality of brackets 11 extend towards the upper chord piece 5, and the brackets 11 play a certain supporting role for the upper chord piece 5 when in positioning so as to keep the upper chord piece 5 horizontal in the overlapping process.
In the embodiment of the utility model, the positioning seat 2 is detachably connected with the base frame 1 through a bolt assembly. In the use, the position of the positioning seat 2 can be adjusted on the chassis 1, so that the positioning seat 2 on the chassis 1 can be replaced to adapt to different balance arms for balance arms with different lengths, and the universality of the tool is improved.
In the embodiment of the present invention, the length of the under frame 1 is longer than that of the upper chord piece 5. Because the connecting ear plates 4 are arranged at the two ends of the upper chord piece 5, the positioning seat 2 can correspond to the connecting ear plates 4 in the positioning and overlapping process, and the length of the bottom frame 1 is larger than that of the upper chord piece 5, so that the requirement that the positioning seat 2 on the bottom frame 1 corresponds to the connecting ear plates 4 is met.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. The utility model provides a frock is taken to balanced arm last chord piece pendulum, be provided with on last chord piece (5) and connect otic placode (4), its characterized in that, frock is taken to balanced arm last chord piece pendulum includes:
a chassis (1);
the positioning seat (2) comprises a mounting seat (21) and a positioning rod (22) for positioning the connecting lug plate (4), and the mounting seat (21) is detachably connected to the bottom frame (1);
locking Assembly (3), the otic placode hole has been seted up on connecting otic placode (4), first locating hole has been seted up on locating lever (22), locking Assembly (3) are including locating pin axle (31) and fastener, locating pin axle (31) pass in proper order first locating hole with the otic placode hole and with the fastener is connected, so that locating lever (22) with connecting otic placode (4) locking.
2. The tooling for putting up the upper chord piece of the balance arm according to claim 1, wherein one end of the positioning pin shaft (31) is provided with a circular knurl, the other end of the positioning pin shaft (31) is provided with an external thread, and the fastening piece is a nut (32) matched with the external thread.
3. The balance arm upper chord piece placing tool according to claim 2, wherein a washer (33) is arranged between the nut (32) and the positioning pin shaft, a U-shaped clamping hole (331) is formed in the washer (33), and the clamping hole (331) is clamped with the outer peripheral wall of the positioning pin shaft (31).
4. The balance arm upper chord piece placing tool according to claim 2, wherein the connecting lug plate (4) is a double lug plate, two lug plates of the double lug plate are both provided with lug plate holes, and the two lug plate holes and the first positioning hole are axially concentrically arranged.
5. The balance arm upper chord piece placing tool according to claim 4, further comprising an adjusting gasket (34) laid on the inner side of the double ear plates, wherein the adjusting gasket (34) is of a U-shaped structure, the opening of the adjusting gasket is matched with the opening of the double ear plates, a second positioning hole is formed in the adjusting gasket (34), and the positioning pin shaft (31) sequentially penetrates through the ear plate hole and the second positioning hole, so that the adjusting gasket (34) is fixedly connected with the double ear plates.
6. The balance arm upper chord piece swinging tool according to claim 4, further comprising a wear-resistant sleeve (35) arranged on the inner peripheral wall of the first positioning hole, wherein the inner side wall of the wear-resistant sleeve (35) is in sealing fit with the outer side wall of the positioning pin shaft (31).
7. The tooling for putting on the upper chord piece of the balance arm according to any one of claims 1 to 6, characterized in that a plurality of brackets (11) which are arranged at intervals and used for supporting the upper chord piece (5) are arranged on the bottom frame (1).
8. The tooling for putting up the upper chord piece of the balance arm according to any one of claims 1 to 6, wherein the positioning seat (2) is detachably connected with the underframe (1) through a bolt assembly.
9. The balance arm upper chord piece overlapping tool according to any one of claims 1 to 6, characterized in that the length of the bottom frame (1) is greater than the length of the upper chord piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120990264.1U CN215469149U (en) | 2021-05-10 | 2021-05-10 | Balance arm upper chord piece swinging and overlapping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120990264.1U CN215469149U (en) | 2021-05-10 | 2021-05-10 | Balance arm upper chord piece swinging and overlapping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215469149U true CN215469149U (en) | 2022-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120990264.1U Active CN215469149U (en) | 2021-05-10 | 2021-05-10 | Balance arm upper chord piece swinging and overlapping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215469149U (en) |
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2021
- 2021-05-10 CN CN202120990264.1U patent/CN215469149U/en active Active
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