CN110937527A - Balanced heavy display structure and hoist that articulates - Google Patents
Balanced heavy display structure and hoist that articulates Download PDFInfo
- Publication number
- CN110937527A CN110937527A CN201911189369.0A CN201911189369A CN110937527A CN 110937527 A CN110937527 A CN 110937527A CN 201911189369 A CN201911189369 A CN 201911189369A CN 110937527 A CN110937527 A CN 110937527A
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- rotary table
- counterweight
- lug
- hanging lug
- pin
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- 239000000725 suspension Substances 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 210000003128 head Anatomy 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a counterweight display type hanging structure and a crane, wherein the counterweight display type hanging structure is used for connecting a counterweight block and a rotary table rear tail and comprises at least one rotary table hanging lug fixedly arranged on the outer side of the rotary table rear tail, at least one counterweight upper hanging lug fixedly arranged on the top surface of the counterweight block and a pin shaft for connecting the rotary table hanging lug and the counterweight upper hanging lug; the rotary table suspension loop is provided with a pin hole I, and the suspension loop on the balance weight is provided with a pin hole II; and the pin shaft is inserted into the aligned pin hole I and the corresponding pin hole II to connect the rotary table suspension loop with the corresponding upper suspension loop of the counterweight. In the invention, the parts participating in the connection are all positioned at the positions visible to human eyes, so that the positions are easier to observe, and the aim of more convenient and efficient disassembly and assembly is fulfilled.
Description
Technical Field
The invention belongs to the technical field of road construction engineering machinery, and particularly relates to a counterweight display type hanging structure and a crane.
Background
Telescopic arm crawler cranes are an important class of mechanical equipment and play an important role in infrastructure construction. The rear tail of the rotary table is a box-type structure used for placing a hoisting mechanism on the crane, and the balance weight is a block pressing device which is placed on the rear side of the crane and used for increasing the hoisting weight and the hoisting moment. The turntable and the balance weight are used as important components of the crawler crane with the telescopic boom, and the convenience and the reliability of the disassembly and the assembly of the crawler crane have important influence on the service efficiency of the crane.
As shown in fig. 1 and 2, the existing counterweight block 1 is hooked by using a hidden type of a left transverse pin shaft 6 and a right transverse pin shaft 6, in the process of assembling the counterweight block 1, whether the pin shafts 6 are aligned with the pin shaft holes of the L-shaped hanging plates 3 can only be seen, the pin shaft holes of the upper ear plates 5 of the counterweight block are inconvenient to observe with the pin shaft holes of the vertical plates 4 of the rear tail 2 of the turntable, the installation and positioning of the pin shafts are blocked due to the reason of hole deviation caused by manufacturing errors, and the installation efficiency is low. The pin shaft mounting hole is hidden inside, so that the pin shaft mounting hole cannot be observed, and the mounting efficiency is low; because of the winch and other parts, the space is limited, when the assembly type pin shaft is disassembled, the pin shaft cannot be hammered out from the inside and can only be hammered from the outside to the inside, and the pin shaft is customized by adopting the assembly type pin shaft, so that the manufacturing cost of the pin shaft is high; as shown in the exploded state of fig. 2, the fixing form of the pin 6 is complicated, and the related parts increase the manufacturing cost; the left and right disassembly and assembly spaces are limited, the installation convenience is poor, the number of installation steps is large, and the installation efficiency is low. The above defects restrict the dismounting efficiency between the counterweight block 1 and the rear tail 2 of the turntable, and cause great inconvenience for the work of later maintenance and the like.
In summary, in order to facilitate the assembly and disassembly of the counterweight and the rear tail of the turntable, a new technical scheme is needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a counterweight display hanging structure and a crane, which can better observe the position of a connecting part so as to improve the dismounting efficiency.
In order to solve the prior art problem, the invention discloses a counterweight display hanging structure which is used for connecting a counterweight block and a rotary table rear tail and comprises at least one rotary table hanging lug fixedly arranged on the outer side of the rotary table rear tail, at least one counterweight upper hanging lug fixedly arranged on the top surface of the counterweight block and a pin shaft connected with the rotary table hanging lug and the counterweight upper hanging lug;
the rotary table suspension loop is provided with a pin hole I, and the suspension loop on the balance weight is provided with a pin hole II; and the pin shaft is inserted into the aligned pin hole I and the corresponding pin hole II to connect the rotary table suspension loop with the corresponding upper suspension loop of the counterweight.
Furthermore, the rotary table lug is provided with a pair of rotary table lug plates arranged at intervals, the rotary table lug plates are provided with the pin holes I, the counterweight upper lug is provided with a counterweight lug plate, and the counterweight lug plate is provided with the pin holes II; when the rotary table hangers are connected with corresponding upper hangers of the balance weight, the ear plates of the balance weight are at least partially inserted between the two rotary table ear plates.
Furthermore, the device also comprises a limiting bolt I for limiting the positions of the rotary table lug and the balance weight upper lug which are connected in the axial direction of the pin shaft; at least one rotary table ear plate in the rotary table hanging lug is also provided with a threaded hole I for assembling the limiting bolt I; spacing bolt I set up in screw hole I back on the revolving stage otic placode, its afterbody is located the inboard of revolving stage otic placode is with the butt balance weight otic placode, its head is located the revolving stage otic placode outside is in order to supply the user operation.
Furthermore, the rotary table lug is provided with a rotary table lug plate, the rotary table lug plate is provided with the pin hole I, the counterweight upper lug is provided with a pair of counterweight lug plates which are arranged at intervals, and the counterweight lug plate is provided with the pin hole II; when the rotary table hangers are connected with corresponding upper hangers of the balance weights, the rotary table ear plates are at least partially inserted between the two balance weight ear plates.
Furthermore, the device also comprises a limiting bolt II for limiting the positions of the rotary table lug and the balance weight upper lug which are connected in the axial direction of the pin shaft; at least one balancing weight ear plate in the upper suspension loop of the balancing weight is also provided with a threaded hole II for assembling the limiting bolt II; spacing bolt II set up in after the screw hole II on the balanced heavy otic placode, its afterbody is located the inboard of balanced heavy otic placode is with the butt the revolving stage otic placode, its head is located balanced heavy otic placode outside is in order to supply the user to operate.
Furthermore, one end of the pin shaft is provided with a limiting boss, the other end of the pin shaft is provided with a clamping pin hole, and a clamping pin is detachably arranged in the clamping pin hole.
Furthermore, the number of the rotary table hangers and the number of the hangers on the balance weight are both even.
The invention also provides a crane, which comprises the counterweight block and the rotary table rear tail, wherein the rotary table rear tail is connected with the counterweight block in a hanging manner through the counterweight explicit hanging structure.
Furthermore, the rotary table hangers are equal in quantity and symmetrically and fixedly arranged on the reinforcing plates on two opposite side faces on the rear tail of the rotary table, and the hangers on the balance weight are fixedly arranged on the balance weight block and correspond to the rotary table hangers one to one.
Further, the turntable lug plate is perpendicular to the side surface of the rear tail of the turntable where the turntable lug plate is located.
The invention has the following beneficial effects:
1. in the invention, the parts participating in the connection are all positioned at the positions visible to human eyes, so that the positions are easier to observe, and the aim of more convenient and efficient disassembly and assembly is fulfilled.
2. The peripheral sides of the parts participating in connection have a larger operable range, so that the disassembly and assembly process is not limited by space, and the disassembly and assembly efficiency is improved.
3. The parts participating in connection in the invention have simple structure, are convenient to process and manufacture, have low manufacturing cost, fewer mounting steps and fewer quantity, and are beneficial to improving the dismounting efficiency and the connection reliability.
Drawings
FIG. 1 is a schematic view of a counterweight block and a rear tail of a turntable in the prior art;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the counterweight block attached to the rear end of the turntable according to the first embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
FIG. 5 is a side view of the embodiment of FIG. 3 showing the counterweight block attached to the rear end of the turntable;
fig. 6 is a side view of the structure of the second embodiment of the present invention in a state where the balance weight is hooked to the rear end of the turntable.
Reference numerals:
1 balancing the weight block; 2, rotating the rear tail of the platform; 3L-shaped hanging plates; 4, arranging a vertical plate; 5, hanging a lug on the balance weight; 6, hanging lugs on a turntable; 7 reinforcing plates; 8, a pin shaft; 9 a counterweight ear plate; 9.1 pin holes II; 9.2 a threaded hole II; 10, a turntable lug plate; 10.1 pin hole I; 10.2 a threaded hole I; 11, a limit bolt I; 12, a nut I; 13 a bayonet lock; 14, a limit bolt II; 15 nut II.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example one
As shown in fig. 3 to 5, the crane comprises a balance weight 1 and a rotary table rear tail 2, wherein the rotary table rear tail 2 is hung with the balance weight 1 through an explicit hanging structure. Two opposite vertical plates of the turntable rear tail 2 are respectively provided with a reinforcing plate 7, a plurality of turntable hangers 6 with equal quantity are fixedly arranged on the two reinforcing plates 7, and the turntable hangers 6 on the two reinforcing plates 7 form the acting force after symmetrically distributing and hanging the balance weight block 1 in a balanced manner.
The top surface of the counterweight block 1 is fixedly provided with a plurality of counterweight upper suspension loops 5, and the counterweight upper suspension loops 5 are in one-to-one correspondence with the rotary table suspension loops 6 to realize connection.
The rotary table hanging lug 6 is provided with a pair of rotary table ear plates 10 which are arranged at intervals, and the rotary table ear plates 10 are provided with pin holes I10.1. Correspondingly, the counterweight upper suspension lug 5 is provided with a counterweight ear plate 9, and the counterweight ear plate 9 is provided with a pin hole II 9.1.
When the turret lugs 6 are connected to the corresponding counterweight upper lugs 5, the counterweight lug plates 9 are at least partially inserted between the two turret lug plates 10. And then, after aligning the pin hole I10.1 and the pin hole II9.1, inserting the pin shaft I8 to connect the rotary table lug 6 with the balance weight upper lug 5, thereby completing the hanging connection of the rotary table rear tail 2 and the balance weight 1.
The arrangement positions of the rotary table hanging lug 6 and the balance weight upper hanging lug 5 can be known, and the rotary table hanging lug and the balance weight upper hanging lug are both arranged at places which can be easily observed by naked eyes, so that when the rotary table hanging lug and the balance weight upper hanging lug are connected, a worker can more easily observe the alignment condition between the pin hole I10.1 and the pin hole II9.1, and quick installation is facilitated.
On the other hand, in order to facilitate the detachment of the pin shaft 8, the turntable lug plate 10 is perpendicular to the side surface of the turntable rear tail 2 where the turntable lug plate is located, and the counterweight lug plate 9 is perpendicular to the top surface of the counterweight 1. In this way, when the pin 8 is disassembled, the pin 8 can be taken out of the pin holes I10.1 and II9.1 only by applying a force in the axial direction. In the process, due to the fact that the two axial sides of the pin shaft 8 are provided with larger operable spaces, the disassembling tool is convenient to operate, and the disassembling efficiency is improved.
As shown in fig. 5, in order to facilitate the adjustment of the relative position between the turntable rear tail 2 and the counterweight 1, a limiting bolt I11 for limiting the position of the connected turntable hanging lug 6 and the counterweight upper hanging lug 5 in the axial direction of the pin shaft 8 is further included. At least one rotary table lug plate 10 in the rotary table hanging lugs 6 is also provided with a threaded hole I10.2 for assembling a limiting bolt I11. After the limiting bolt I11 is arranged in the threaded hole I10.2 on the rotary table ear plate 10, the tail part of the limiting bolt is positioned at the inner side of the rotary table ear plate 10 to be abutted against the balance weight ear plate 9, and the head part of the limiting bolt is positioned at the outer side of the rotary table ear plate 10 to be operated by a user.
In order to prevent the pin shaft 8 from loosening and separating from the pin hole I10.1 and the pin hole II9.1, one end of the pin shaft 8 is provided with a limiting boss 8.1, the other end of the pin shaft is provided with a clamping pin hole 8.2, and a clamping pin 13 is detachably arranged in the clamping pin hole 8.2.
During the position adjustment, the head of the limiting bolt I11 is only required to be screwed to move along the axial direction, so that the balancing weight lug plate 9 is driven to move relative to the rotary table lug plate 10. After the adjustment is completed, in order to improve the reliability, a nut I12 can be assembled on the limit bolt I11, and the nut I12 close to the head of the limit bolt I11 is tightened to enable the nut I12 to press the turntable lug plate 10.
Example two
As shown in fig. 6, the present embodiment is different from the first embodiment only in that the turntable lug 6 has a turntable lug 10, the turntable lug 10 has a pin hole I10.1, the counterweight upper lug 5 has a pair of counterweight lugs 9 arranged at intervals, and the counterweight lugs 9 have pin holes II 9.1; when the turret lug 6 is connected to the corresponding counterweight upper lug 5, the turret lug 10 is at least partially inserted between the two counterweight lugs 9.
Similarly, for the purpose of adjusting the position between the turntable rear tail 2 and the counterweight 1 in the present embodiment, a limit bolt II14 for limiting the positions of the connected turntable lug 6 and counterweight upper lug 5 in the axial direction of the pin shaft 8 is further included; at least one balancing weight ear plate 9 in the balancing weight upper suspension loop 5 is also provided with a threaded hole II9.2 for assembling a limit bolt II 14; after the limit bolt II14 is disposed in the threaded hole II9.2 on the counterweight ear plate 9, its tail is located inside the counterweight ear plate 9 to abut against the turntable ear plate 10, and its head is located outside the counterweight ear plate 9 for user operation.
Similarly, after the adjustment is completed, in order to improve the reliability, a nut II15 may be fitted to the stopper bolt II14, and the nut II15 near the head of the stopper bolt II14 may be tightened to press the nut II15 against the counterweight lug 9.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a counterweight display articulates structure for tail (2) behind connecting counterweight (1) and the revolving stage, its characterized in that: the rotary table counterweight device comprises at least one rotary table hanging lug (6) fixedly arranged on the outer side of the rotary table rear tail (2), at least one counterweight upper hanging lug (5) fixedly arranged on the top surface of the counterweight block (1), and a pin shaft (8) for connecting the rotary table hanging lug (6) and the counterweight upper hanging lug (5);
the rotary table hanging lug (6) is provided with a pin hole I (10.1), and the counterweight upper hanging lug (5) is provided with a pin hole II (9.1); and the pin shaft (8) is inserted into the aligned pin hole I (10.1) and the corresponding pin hole II (9.1) to connect the rotary table suspension loop (6) with the corresponding counterweight upper suspension loop (5).
2. A balanced weight explicit hitch structure according to claim 1, characterized in that: the rotary table suspension lug (6) is provided with a pair of rotary table lug plates (10) which are arranged at intervals, the rotary table lug plates (10) are provided with the pin holes I (10.1), the counterweight upper suspension lug (5) is provided with a counterweight lug plate (9), and the counterweight lug plate (9) is provided with the pin holes II (9.1); when the rotary table hangers (6) are connected with the corresponding balance weight upper hanger (5), the balance weight ear plates (9) are at least partially inserted between the two rotary table ear plates (10).
3. A counterweight display hitch structure according to claim 2, further comprising: the rotary table is characterized by further comprising a limiting bolt I (11) used for limiting the positions of the rotary table hanging lug (6) and the balance weight upper hanging lug (5) which are connected in the axial direction of the pin shaft (8); at least one rotary table ear plate (10) in the rotary table hanging lugs (6) is also provided with a threaded hole I (10.2) for assembling the limiting bolt I (11); spacing bolt I (11) set up in back in screw hole I (10.2) on revolving stage otic placode (10), its afterbody is located the inboard of revolving stage otic placode (10) is with the butt balanced heavy otic placode (9), its head is located the revolving stage otic placode (10) outside is in order to supply the user to operate.
4. A balanced weight explicit hitch structure according to claim 1, characterized in that: the rotary table suspension lug (6) is provided with a rotary table ear plate (10), the rotary table ear plate (10) is provided with the pin hole I (10.1), the counterweight upper suspension lug (5) is provided with a pair of counterweight ear plates (9) which are arranged at intervals, and the counterweight ear plate (9) is provided with the pin hole II (9.1); when the rotary table hangers (6) are connected with the corresponding balance weight upper hangers (5), the rotary table ear plates (10) are at least partially inserted between the two balance weight ear plates (9).
5. A counterweight display hitching structure according to claim 4, characterized in that: the rotary table is characterized by further comprising a limiting bolt II (14) for limiting the positions of the rotary table hanging lug (6) and the balance weight upper hanging lug (5) which are connected in the axial direction of the pin shaft (8); at least one balancing weight ear plate (9) in the upper hanging lug (5) of the balancing weight is also provided with a threaded hole II (9.2) for assembling the limiting bolt II (14); spacing bolt II (14) set up in after in the screw hole II (9.2) on the balanced heavy otic placode (9), its afterbody is located the inboard of balanced heavy otic placode (9) is with the butt revolving stage otic placode (10), its head is located balanced heavy otic placode (9) outside is used for the user to operate.
6. A balanced weight explicit hitch structure according to claim 1, characterized in that: one end of the pin shaft (8) is provided with a limiting boss (8.1), the other end of the pin shaft is provided with a clamping pin hole (8.2), and a clamping pin (13) is detachably arranged in the clamping pin hole (8.2).
7. A balanced weight explicit hitch structure according to claim 1, characterized in that: the quantity of the rotary table hangers (6) and the quantity of the hangers (5) on the balance weight are even.
8. The utility model provides a hoist, includes counterweight (1) and revolving stage rear tail (2), its characterized in that: the rear end (2) of the rotary table is hung on the counterweight (1) through a counterweight explicit hanging structure according to any claim 1 to 7.
9. A crane as claimed in claim 8, wherein: the rotary table hanging lug (6) is equal in number and is symmetrically and fixedly arranged on reinforcing plates (7) on two opposite side surfaces on the rotary table rear tail (2), and the hanging lug (5) on the counterweight is fixedly arranged on the counterweight block (1) and corresponds to the rotary table hanging lug (6) one to one.
10. A crane as claimed in claim 8, wherein: the rotary table ear plate (10) is vertical to the side surface of the rotary table rear tail (2) where the rotary table ear plate is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189369.0A CN110937527B (en) | 2019-11-28 | 2019-11-28 | Balanced heavy explicit structure of hanging and hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911189369.0A CN110937527B (en) | 2019-11-28 | 2019-11-28 | Balanced heavy explicit structure of hanging and hoist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110937527A true CN110937527A (en) | 2020-03-31 |
| CN110937527B CN110937527B (en) | 2024-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911189369.0A Active CN110937527B (en) | 2019-11-28 | 2019-11-28 | Balanced heavy explicit structure of hanging and hoist |
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| CN (1) | CN110937527B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643182A (en) * | 2009-08-19 | 2010-02-10 | 三一汽车制造有限公司 | Balancing weight handling device and movable crane |
| CN103395707A (en) * | 2013-08-05 | 2013-11-20 | 徐工集团工程机械股份有限公司 | Counterweight connection structure for rotary table |
| CN203529793U (en) * | 2013-09-22 | 2014-04-09 | 徐工集团工程机械股份有限公司 | Amplitude-change pulley block installation structure and crawler crane |
| CN203699722U (en) * | 2013-12-25 | 2014-07-09 | 浙江三一装备有限公司 | Lifting locking guiding device, counterweight mechanism and lifting engineering machinery |
| CN212222262U (en) * | 2019-11-28 | 2020-12-25 | 徐工集团工程机械股份有限公司建设机械分公司 | Balanced heavy display structure and hoist that articulates |
-
2019
- 2019-11-28 CN CN201911189369.0A patent/CN110937527B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643182A (en) * | 2009-08-19 | 2010-02-10 | 三一汽车制造有限公司 | Balancing weight handling device and movable crane |
| CN103395707A (en) * | 2013-08-05 | 2013-11-20 | 徐工集团工程机械股份有限公司 | Counterweight connection structure for rotary table |
| CN203529793U (en) * | 2013-09-22 | 2014-04-09 | 徐工集团工程机械股份有限公司 | Amplitude-change pulley block installation structure and crawler crane |
| CN203699722U (en) * | 2013-12-25 | 2014-07-09 | 浙江三一装备有限公司 | Lifting locking guiding device, counterweight mechanism and lifting engineering machinery |
| CN212222262U (en) * | 2019-11-28 | 2020-12-25 | 徐工集团工程机械股份有限公司建设机械分公司 | Balanced heavy display structure and hoist that articulates |
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| Publication number | Publication date |
|---|---|
| CN110937527B (en) | 2024-07-19 |
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