CN215035571U

CN215035571U - Tool for placing tower head

Info

Publication number: CN215035571U
Application number: CN202121253609.1U
Authority: CN
Inventors: 刘辉; 谭彪; 方德威; 明良政; 彭磊
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Construction Crane Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd; Zoomlion Construction Crane Co Ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-07
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to a tower head processing device, and discloses a tower head overlapping tool, which comprises an installation platform (3), wherein a bracket component and a base positioning seat (4) for positioning a tower head base (21) are arranged on the installation platform (3), and the base positioning seat (4) is detachably arranged on the installation platform (3) and is suitable for adjusting the installation position of the installation platform (3) relative to the installation platform; the bracket component comprises a left bracket (1) and a right bracket (5), and the left bracket (1) and the right bracket (5) are both suitable for adjusting the mounting positions of the left bracket and the right bracket relative to the mounting platform (3); the base positioning seat (4) is positioned between the left support (1) and the right support (5), a left positioning seat (6) used for positioning the left end of the tower head top (22) is detachably arranged on the left support (1), and a right positioning seat (7) used for positioning the right end of the tower head top (22) is detachably arranged on the right support (5). The utility model discloses can be applicable to the processing of the tower head of different length and different grade type, the commonality is strong.

Description

Tool for placing tower head

Technical Field

The utility model relates to a tower head processingequipment specifically, relates to a frock is taken to tower head pendulum.

Background

Tower cranes, i.e. tower cranes, are common hoisting equipment in construction sites and are mainly used for vertical and horizontal transportation of materials in the construction of house buildings. The tower crane comprises a tower body, a lifting arm and a balance arm, wherein the lifting arm and the balance arm are connected to the tower body. Wherein, the top of tower machine is equipped with the tower head, and it is used for being connected with jib loading boom and balance arm.

The existing machining process of the tower head is a traditional mode, holes are pre-cut during blanking of all parts, holes are machined in an integral machine after single parts are welded in a swing mode, the existing swing-up tool can only produce the tower head with one specification, the tool is not universal and interchangeable, products are incompatible, and the tool is scrapped once the products are updated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a frock is taken to tower head pendulum is provided, can be applicable to the processing of the tower head of different length and different grade type, and the commonality is strong.

In order to solve the technical problem, the utility model provides a tower head overlapping tool, which comprises an installation platform, wherein a bracket assembly and a base positioning seat for positioning a tower head base are arranged on the installation platform, and the base positioning seat is detachably arranged on the installation platform and is suitable for adjusting the installation position of the installation platform; the bracket assembly comprises a left bracket and a right bracket, and the left bracket and the right bracket are both suitable for adjusting the mounting positions of the left bracket and the right bracket relative to the mounting platform; the base positioning seat is located between the left support and the right support, the left support is detachably provided with a left positioning seat for positioning the left end of the top of the tower head, and the right support is detachably provided with a right positioning seat for positioning the right end of the top of the tower head.

Preferably, the base positioning seat includes first location otic placode, the shape of first location otic placode is the same with the shape that is used for the otic placode of the tower machine upper bracket be connected with the tower head base, first location otic placode with all be equipped with first pinhole on the tower head base, first location otic placode with the tower head base is through insert first round pin axle in the first pinhole and connect.

Preferably, the external dimension of the first positioning ear plate is larger than that of the ear plate of the upper support of the tower crane.

Preferably, the first positioning ear plate is provided with a first positioning hole, a first wear-resistant sleeve is arranged in the first positioning hole, and the first wear-resistant sleeve is provided with the first pin hole; and a base adjusting gasket is arranged between the first positioning lug plate and the tower head base.

Preferably, the left positioning seat comprises a second positioning lug plate, the second positioning lug plate and the left end of the top of the tower head are respectively provided with a second pin hole, and the second positioning lug plate is connected with the left end of the top of the tower head by inserting a second pin shaft into the second pin hole.

Preferably, the second pin shaft comprises a pin shaft column arranged in the second pin hole, one end of the pin shaft column is provided with a limiting head, the other end of the pin shaft column is provided with a threaded rod, and the threaded rod is provided with a nut.

Preferably, a second positioning hole is formed in the second positioning ear plate, a second wear-resistant sleeve is arranged in the second positioning hole, and the second pin hole is formed in the second wear-resistant sleeve; and a tower head adjusting gasket is arranged between the second positioning lug plate and the left end of the top of the tower head.

Preferably, the right positioning seat comprises a pin shaft seat and a gland, a third pin hole is formed in the right end of the top of the tower head, a third pin shaft is arranged in the third pin hole, an arc-shaped groove used for enabling the third pin shaft to be placed in the radial direction is formed in the pin shaft seat, and the gland is detachably buckled on the pin shaft seat to be matched with the arc-shaped groove to form a third positioning hole matched with the third pin shaft.

Preferably, the number of the left positioning seats is two, the number of the right positioning seats is one, the left positioning seats are detachably mounted on the left support through bolt assemblies and reinforcing pin shafts, and the right positioning seats are detachably mounted on the right support through bolt assemblies and reinforcing pin shafts; the left support and the right support are respectively detachably or slidably connected to the mounting platform.

Preferably, the mounting platform is detachably provided with two positioning plates extending along the width direction of the mounting platform, each positioning plate is detachably provided with two base positioning seats located on the same axis, and the base positioning seats on the two positioning plates are correspondingly arranged respectively.

The utility model discloses a set up left socle and right branch frame into can adjusting its mounted position on mounting platform, the distance between left socle and the right branch frame is adjusted to the length of the tower head that can process as required to can adapt to the processing of the tower head of different length, all establish base positioning seat, left positioning seat and right positioning seat into demountable installation simultaneously, can adapt to the tower head of different grade type through changing the positioning seat, can be fit for the processing of the tower head of more types, thereby make the commonality stronger. And, two supports are separately set up, can independently process separately to can reduce the processing degree of difficulty of putting up the frock.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a schematic structural view of the base positioning seat according to an embodiment of the present invention;

fig. 4 is a schematic top view of the left positioning seat according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a right positioning seat in an embodiment of the present invention.

Description of the reference numerals

1 left support 21 tower head base

22 tower head top 3 mounting platform

4 base positioning seat 41 first positioning ear plate

42 first pin shaft 43 positioning pin

44 bolt assembly 5 right bracket

51 processing platform 52 ladder

53 prevent guardrail bar 6 left side positioning seat

61 second positioning ear plate 62 second pin

621 pin shaft column 622 limiting head

623 threaded rod 63 second wear-resistant sleeve

64 opening washer 65 nut

7 right positioning seat 71 pin shaft seat

711 arc groove 72 gland

73 third pin shaft 8 positioning plate

9 tower head adjusting shim

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The utility model provides a tower head overlapping tool, which comprises an installation platform 3, wherein the installation platform 3 is provided with a bracket component and a base positioning seat 4 for positioning a tower head base 21, and the base positioning seat 4 is detachably arranged on the installation platform 3 and is suitable for adjusting the installation position of the installation platform 3 relative to the installation platform 3; the bracket assembly comprises a left bracket 1 and a right bracket 5, and the left bracket 1 and the right bracket 5 are both suitable for adjusting the mounting positions relative to the mounting platform 3; the base positioning seat 4 is positioned between the left support 1 and the right support 5, the left support 1 is detachably provided with a left positioning seat 6 for positioning the left end of the tower head top 22, and the right support 5 is detachably provided with a right positioning seat 7 for positioning the right end of the tower head top 22.

In the above-mentioned basic embodiment, the bracket assembly is adapted to adjust its installation position relative to the installation platform 3, i.e. the left bracket 1 and the right bracket 5 can adjust their installation positions relative to the installation platform 3, for example, the left bracket 1 and the right bracket 5 are respectively detachably or slidably installed on the installation platform 3. Through setting up left socle 1 and right branch frame 5 into being able to adjust its mounted position on mounting platform 3, the length of the tower head that can process as required adjusts the distance between left socle 1 and the right branch frame 5, thereby can adapt to the processing of the tower head of different length, simultaneously with base positioning seat 4, left side positioning seat 6 and right positioning seat 7 all establish to demountable installation, can adapt to the tower head of different grade type through changing the positioning seat, for example, pinhole size when on tower head base 21 has taken place the change, can change base positioning seat 4 for with the pinhole size matched with base positioning seat 4 after changing, can be fit for the processing of the tower head of more types, thereby make the commonality stronger. And, two supports are separately set up, can independently process separately to can reduce the processing degree of difficulty of putting up the frock. The left positioning seats 6 are two, the right positioning seats 7 are one and are matched with the triangular shape of the top portion 22 of the tower head, and the left positioning seats 6 and the right positioning seats 7 are detachably mounted through bolt assemblies and reinforcing pin shafts. Specifically, each positioning seat all includes mounting substrate, all is equipped with bolt assembly on four corners of mounting substrate, and bolt assembly includes bolt, cushion ring and flat gasket, is located to be equipped with between two bolt assembly of relative both sides and strengthens the round pin axle. Connect through bolt assembly and enhancement round pin axle for it is more firm to connect, and stability is good. Similarly, the left bracket 1 and the right bracket 5 can also be detachably mounted on the mounting platform 3 through a bolt assembly and a reinforcing pin shaft, so that the connection stability of the brackets on the mounting platform 3 is ensured. In addition, the mounting platform 3 can also be set to be a hole plate structure with a plurality of mounting holes, so that the mounting positions of the bracket assembly and the base positioning seat 4 on the mounting platform 3 can be adjusted at will, and the tower head mounting device is better suitable for processing tower heads of different types.

In order to facilitate understanding of the tower head swing-building tool according to the above basic embodiment of the present invention, the following description is further provided with reference to specific structures.

Specifically, as shown in fig. 2 and fig. 3, the base positioning seat 4 includes a first positioning ear plate 41, the shape of the first positioning ear plate 41 is the same as the shape of an ear plate of an upper support of the tower crane used for being connected with the tower head base 21, the first positioning ear plate 41 is provided with a first pin hole on the tower head base 21, and the first positioning ear plate 41 is connected with the tower head base 21 by inserting a first pin shaft 42 into the first pin hole.

The tower head base 21 is a connecting part of the tower head and the upper support of the tower crane and is a concentrated intersection point of the component force of the upper part of the whole tower crane, so the size positioning of the part is very critical. Because the tower head can produce certain deformation after the welding, and current pendulum is taken the frock and can not pinpoint the tower head, causes the tower head dimensional change who processes out too big for tower head base 21 and tower machine upper bracket can't install, need process once more and install once more the tower head, thereby increased workman intensity of labour and manufacturing cost, reduced production efficiency and installation accuracy. And the shape of the first positioning ear plate 41 of the base positioning seat 4 is the same as that of the ear plate of the upper support of the tower crane, so that the tower head base 21 can be accurately positioned in size, the size change of the tower head base 21 due to welding deformation is reduced, the processed tower head base 21 can be well installed on the upper support of the tower crane, the production efficiency and the installation precision can be greatly improved, and the labor intensity and the production cost of workers are reduced. And, base positioning seat 4 is fixed a position through adopting pinhole and round pin axle for the location is more accurate. Wherein, the overall dimension of first location otic placode 41 is preferred to be greater than the overall dimension of the otic placode of tower machine upper bracket by 3mm to can carry out more accurate size location to tower head base 21, further guarantee that the tower head base 21 that processes out and tower machine upper bracket assemble the success better.

In this embodiment, preferably, the first positioning ear plate 41 is provided with a first positioning hole, the first positioning hole is provided with a first wear-resistant sleeve, and the first wear-resistant sleeve is provided with the first pin hole. Because when fixing a position or demolising at every turn, all need to beat the round pin axle into the pinhole or extract from the pinhole to can make the pinhole on the first location otic placode 41 produce wearing and tearing, need change whole positioning seat when changing, thereby increased the expense of frock maintenance. Through setting up first wear-resisting cover, set up the pinhole on first wear-resisting cover, after the pinhole wearing and tearing, only need change wear-resisting cover can, the expense that the frock that can significantly reduce was maintained, reduction in production cost.

More specifically, as shown in fig. 2, the mounting platform 3 is detachably provided with two positioning plates 8 extending along a width direction thereof, each of the positioning plates 8 is detachably provided with two base positioning seats 4 located on a same axis, and the base positioning seats 4 on the two positioning plates 8 are respectively arranged correspondingly, that is, the two base positioning seats 4 on the left positioning plate 8 and the two base positioning seats 4 on the right positioning plate 8 are respectively arranged correspondingly. Wherein, fix a position through locating pin 43 between base positioning seat 4 and the locating plate 8 to through a plurality of bolt assembly 44 fixed connection on mounting platform 3, in order to make the connection more firm, still be connected with between locating plate 8 and the mounting platform 3 and strengthen the round pin axle.

As shown in fig. 1 and 4, the left positioning seat 6 includes a second positioning lug plate 61, two connecting lug plates are disposed at the left end of the tower head top 22, and second pin holes are disposed on the second positioning lug plate 61 and the two connecting lug plates, when positioning is performed, the second positioning lug plate 61 is placed between the two connecting lug plates, and a second pin 62 is inserted into the second pin holes of the second positioning lug plate 61 and the two connecting lug plates to fasten the second positioning lug plate 61 and the two connecting lug plates; the second pin 62 includes a pin column 621 disposed in the second pin hole, one end of the pin column 621 is disposed with a limiting head 622, the other end is disposed with a threaded rod 623, and the threaded rod 623 is sequentially disposed with an open washer 64 and a nut 65. The pin holes and the pin shafts are used for positioning, so that the positioning is more accurate; through adopting the round pin axle of taking the screw thread with two connection otic placodes and the fastening connection of second location otic placode 61, can prevent effectively that the tower head from being out of shape when processing.

In this embodiment, preferably, the second positioning ear plate 61 is provided with a second positioning hole, a second wear-resistant sleeve 63 is provided in the second positioning hole, and the second wear-resistant sleeve 63 is provided with the second pin hole. Through setting up the wear-resisting cover of second 63, set up the second pinhole on the wear-resisting cover of second 63, after the pinhole wearing and tearing, only need change wear-resisting cover can, the expense that the frock that can significantly reduce was maintained, reduction in production cost.

As shown in fig. 1 and 5, the right positioning seat 7 includes two pin shaft seats 71 and two pressing covers 72, two connecting lug plates are disposed on the right end of the tower head top 22, third pin holes are disposed on the two connecting lug plates, a third pin shaft 73 is inserted into the two third pin holes, arc grooves 711 for allowing the third pin shaft 73 to be radially placed in are disposed on the two pin shaft seats 71, the two pressing covers 72 are detachably fastened on the corresponding pin shaft seats 71, arc grooves matched with the arc grooves 711 are disposed on the two pressing covers 72, and the two arc grooves are matched to form third positioning holes matched with the third pin shaft 73.

In actual operation, the third pin shaft 73 is inserted into the third pin holes of the two connecting lug plates at the right end of the tower head top 22, then the two connecting lug plates are placed between the two pin shaft seats 71 from top to bottom, so that the third pin shaft 73 is placed into the arc grooves 711 of the two pin shaft seats 71 along the radial direction, and finally the gland 72 is buckled on the pin shaft seats 71 to compress the third pin shaft 73; the pin shaft is compressed by the aid of the gland 72, so that positioning is more accurate, and deformation caused by riveting of the tower head can be effectively reduced. The gland 72 is detachably fastened to the pin shaft seat 71 through a bolt assembly, and the bolt assembly comprises a bolt, an elastic gasket and a flat gasket. Of course, the gland 72 may also be removably snap-fitted to the pin shaft seat 71 by a snap fit or other quick-fit clamp. Preferably, the arc-shaped groove 711 is a semicircular groove, so that the positioning effect is better. Of course, it is also possible to provide only one pin shaft seat 71 and one gland 72, and to provide the pin shaft seat 71 between two connecting ear plates when positioning, and the invention is also within the scope of protection.

After the tower head is machined, the connecting part between the positioning seat and the tower head needs to be disassembled, namely the first pin shaft 42 on the base positioning seat 4 is disassembled from the first pin hole, the second pin shaft 62 on the left positioning seat 6 is disassembled, the gland 72 and the third pin shaft 73 on the right positioning seat 7 are disassembled, then the whole tower head is moved out from the overlapping tool, in order to facilitate the moving out of the tower head, an adjusting gasket is arranged at the joint of each positioning seat and the tower head, namely a base adjusting gasket is arranged between the first positioning lug plate 41 of the base positioning seat 4 and the tower head base 21, a tower head adjusting gasket 9 is arranged between the second positioning lug plate 61 of the left positioning seat 6 and two connecting lug plates at the left end of the tower head top 22, a tower head adjusting gasket 9 is arranged between the pin shaft seat 71 of the right positioning seat 7 and two connecting lug plates at the right end of the tower head top 22, after the tower head is machined, the connecting parts and the adjusting gaskets between the positioning seats and the tower head are completely removed, and the removal of the adjusting gaskets enables gaps to exist between the positioning seats and the tower head, so that the whole tower head can be lifted out of the swing-up tool by using a crane, the shifting-out of the tower head is more convenient and faster, the production efficiency is improved, and the labor intensity of workers is greatly reduced. Meanwhile, the adjusting gaskets are arranged, so that the tower head adjusting device can adapt to the specifications of different opening ear plates on the tower head.

Preferably, as shown in fig. 1, a processing platform 51, a ladder 52 leading to the processing platform 51, and guard rails 53 disposed on both sides of the ladder 52 are respectively disposed on the left support 1 and the right support 5. Therefore, when workers work, the workers can enter the processing platform 51 through the crawling ladder 52 and process the tower head on the processing platform 51, so that the processing is more convenient, the potential safety hazard of high-altitude operation can be eliminated, and the safety of the workers is guaranteed.

To sum up, the utility model discloses can adapt to the pendulum of the tower head of different grade type and take, thereby make the utility model discloses a commonality is stronger, can reduce about 70m of frock area²(ii) a The shape of the first positioning lug plate 41 of the base positioning seat 4 is the same as that of the lug plate of the upper support of the tower crane, so that the tower head base 21 can be accurately positioned in size, the size change of the tower head base 21 caused by welding deformation is reduced, the processed tower head base 21 can be well installed on the upper support of the tower crane, the production efficiency and the installation precision can be greatly improved, the labor intensity and the production cost of workers are reduced, meanwhile, the detection function of the tower head boring hole is also provided, the fool-proof effect of the tool is achieved, the tower head base 21 is positioned by the full-circle pin hole and the pin shaft, the situation that the tower head base 21 is not easy to fall into the groove in the half-circle groove positioning can be avoided, and the positioning is more accurate; the left positioning seat 6 is positioned by adopting the pin holes and the pin shafts with threads, so that the positioning is more accurate, and the machining deformation of the tower head can be effectively prevented; the right positioning seat 7 is positioned by the pressing cover 72 pressing pin shaft, so that the positioning is more accurate, and the deformation caused by the riveting of the tower head can be effectively reduced; the tower head is accurately positioned by each positioning seat, so that the machining deformation of the tower head can be reduced, the whole boring machine machining is not needed after the tower head is machined, the production cost can be reduced by about 40%, and the production efficiency is improved by 25%; the two supports are separately and independently processed, so that the processing difficulty of the swing tool can be reduced; through setting up wear-resisting cover, can greatly reduce follow-up frock maintenance cost because of pinhole wearing and tearing produce.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The tower head overlapping tool is characterized by comprising a mounting platform (3), wherein a support assembly and a base positioning seat (4) for positioning a tower head base (21) are arranged on the mounting platform (3), and the base positioning seat (4) is detachably mounted on the mounting platform (3) and is suitable for adjusting the mounting position of the mounting platform (3); the bracket assembly comprises a left bracket (1) and a right bracket (5), and the left bracket (1) and the right bracket (5) are both suitable for adjusting the mounting positions of the left bracket and the right bracket relative to the mounting platform (3); the base positioning seat (4) is located between the left support (1) and the right support (5), a left positioning seat (6) used for positioning the left end of the tower head top (22) is detachably arranged on the left support (1), and a right positioning seat (7) used for positioning the right end of the tower head top (22) is detachably arranged on the right support (5).

2. The tower head swinging tool according to claim 1, wherein the base positioning seat (4) comprises a first positioning lug plate (41), the shape of the first positioning lug plate (41) is the same as that of a lug plate of an upper support of a tower crane, the lug plate is used for being connected with the tower head base (21), the first positioning lug plate (41) and the tower head base (21) are respectively provided with a first pin hole, and the first positioning lug plate (41) is connected with the tower head base (21) by inserting a first pin shaft (42) into the first pin hole.

3. The tower head swinging tool according to claim 2, wherein the first positioning lug plate (41) is larger than the upper support of the tower crane in external dimension.

4. The tower head swinging tool according to claim 2, wherein a first positioning hole is formed in the first positioning lug plate (41), a first wear-resistant sleeve is arranged in the first positioning hole, and the first pin hole is formed in the first wear-resistant sleeve; a base adjusting gasket is arranged between the first positioning lug plate (41) and the tower head base (21).

5. The tower head swinging tool according to claim 1, wherein the left positioning seat (6) comprises a second positioning lug plate (61), the second positioning lug plate (61) and the left end of the tower head top (22) are respectively provided with a second pin hole, and the second positioning lug plate (61) is connected with the left end of the tower head top (22) by inserting a second pin shaft (62) into the second pin hole.

6. The tower head swinging tool according to claim 5, wherein the second pin shaft (62) comprises a pin shaft column (621) arranged in the second pin hole, one end of the pin shaft column (621) is provided with a limiting head (622), the other end of the pin shaft column is provided with a threaded rod (623), and the threaded rod (623) is provided with a nut (65).

7. The tower head swinging tool according to claim 5, wherein a second positioning hole is formed in the second positioning lug plate (61), a second wear-resistant sleeve (63) is arranged in the second positioning hole, and the second pin hole is formed in the second wear-resistant sleeve (63); a tower head adjusting gasket (9) is arranged between the second positioning lug plate (61) and the left end of the tower head top (22).

8. The tower head overlapping tool according to claim 1, wherein the right positioning seat (7) comprises a pin shaft seat (71) and a gland (72), a third pin hole is formed in the right end of the tower head top (22), a third pin shaft (73) is arranged in the third pin hole, an arc-shaped groove (711) for allowing the third pin shaft (73) to be radially placed in is formed in the pin shaft seat (71), and the gland (72) is detachably fastened to the pin shaft seat (71) to be matched with the arc-shaped groove (711) to form a third positioning hole matched with the third pin shaft (73).

9. The tower head lap tool according to any one of claims 1 to 8, wherein the number of the left positioning seats (6) is two, the number of the right positioning seats (7) is one, the left positioning seats (6) are detachably mounted on the left bracket (1) through bolt assemblies and reinforcing pin shafts, and the right positioning seats (7) are detachably mounted on the right bracket (5) through bolt assemblies and reinforcing pin shafts; the left support (1) and the right support (5) are respectively detachably or slidably connected to the mounting platform (3).

10. The tower head swing assembly tooling according to any one of claims 1 to 8, wherein two positioning plates (8) extending along the width direction of the mounting platform (3) are detachably arranged on the mounting platform, two base positioning seats (4) located on the same axis are detachably arranged on each positioning plate (8), and the base positioning seats (4) on the two positioning plates (8) are respectively arranged correspondingly.