CN113213359A - Adjustable counterweight mechanism for crane - Google Patents
Adjustable counterweight mechanism for crane Download PDFInfo
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- CN113213359A CN113213359A CN202110555570.7A CN202110555570A CN113213359A CN 113213359 A CN113213359 A CN 113213359A CN 202110555570 A CN202110555570 A CN 202110555570A CN 113213359 A CN113213359 A CN 113213359A
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- balancing weight
- vertical
- leading
- hole
- crane
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to the related technical field of crane counterweights, and discloses an adjustable counterweight mechanism for a crane, which comprises a vertical hanging plate and a transverse load plate, wherein the transverse load plate is transversely arranged on the front surface of the vertical hanging plate through a rib plate, vertical movable holes are symmetrically formed in the transverse load plate, adjusting rods connected with a hydraulic machine are movably inserted in the two vertical movable holes, a plurality of counterweights are arranged between the lower parts of the two adjusting rods and positioned below the transverse load plate, mounting holes are symmetrically formed in the counterweights, and guide limiting rings are welded in the mounting holes. This an adjustable balanced heavy mechanism for hoist, embedding tray bottom through hold in the palm at the bottom internal thread ring and adjust the threaded engagement reach carry out perpendicular activity downwards spacing to balanced heavy to reach and carry out accurate spacing purpose of adjusting to balanced heavy, be different from mutual card and spacing mode between traditional balanced heavy, great improvement balanced heavy to hoisting equipment's balanced action.
Description
Technical Field
The invention relates to the technical field of crane counterweight correlation, in particular to an adjustable counterweight mechanism for a crane.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The crane is also called a crown block, a navigation crane and a crane, and the hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle work alternately, the development and the use of the crane in the market are more and more extensive, because the crane does not use supporting legs to hoist weight and the hoisting weight runs frequently to cause some accidents, the running speed is higher than that of a crawler crane (crawler crane), the operation is stable, the hoisting weight is large, the crane can run by hoisting weight in a specific range, but the road is required to be flat and firm, the tire air pressure meets the requirement, the crane is not hoisted to the ground to exceed 50CM, and the long-distance running with load is forbidden.
For satisfying hoist weight requirement in the production life, each axle load of reasonable distribution, general chassis mobile crane traveles, adopt combination formula to balance the heavy or not carry balanced heavy, current combination formula is balanced heavy when mechanism is assembling balanced heavy, it can not carry out accurate adjusting position installation according to its specific balanced counter weight requirement to balance the heavy, the application scope of crane equipment balanced counter weight has been reduced, be unfavorable for crane equipment's jack-up operation, consequently the inventor has designed an adjustable balanced heavy mechanism for hoist, solve above-mentioned technical problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an adjustable counterweight mechanism for a crane, which solves the problem that the combined counterweight of the crane cannot accurately adjust the counterweight position according to the application requirement.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an adjustable balanced heavy mechanism for hoist, including perpendicular link plate and horizontal load board, horizontal support plate passes through the floor and transversely installs in the front of perpendicular link plate, perpendicular activity hole has been seted up to the symmetry on the horizontal support plate, the equal activity interlude of two perpendicular activity holes has the regulation pole that is connected with the hydraulic press, two regulation poles are provided with a plurality of balanced weights between the part that lies in horizontal support plate below, the mounting hole has been seted up to the symmetry on the balanced weight, all weld in the mounting hole and lead the spacing ring, it runs through corresponding balanced heavy weight to adjust the pole through leading the spacing ring, all be provided with the interior screw ring of support bottom under every wire spacing ring, be provided with the embedding support chassis with corresponding direction spacing ring looks adaptation on the interior screw ring of support bottom, adjust the corresponding interior screw ring of support bottom of pole activity interlude and imbed the support chassis, the bottom port embedding of direction spacing ring is in the corresponding embedding support chassis.
Vertical leading-in groove has been seted up to balanced heavy upper surface equal equidistance, all is provided with the balancing weight on every balanced heavy, the bottom of balancing weight is provided with the leading-in strip with vertical leading-in groove looks adaptation, the inboard of the vertical leading-in groove of leading-in strip vertical leading-in corresponding, set up the screw thread locating hole on the balanced heavy, set up the through hole corresponding with the screw thread locating hole on the balancing weight, the balancing weight runs through the through hole and is provided with the stay bolt, the terminal screw thread of stay bolt is pegged graft in corresponding screw thread locating hole.
Preferably, the number of the balancing weights ranges from 3 to 8, and a plurality of the balancing weights are arranged in parallel, so that the balancing weights can effectively carry out weight balance configuration on the balancing mechanism.
Preferably, two adjust the pole and set up about perpendicular link plate symmetry, adjust the pole and comprise polished rod and lead screw two parts, adjust the polished rod part activity of pole and run through perpendicular movable hole, the partial screw thread of lead screw of pole runs through corresponding balanced heavy, the spacing ring of leading and holds in the palm end internal thread ring for balanced heavy can effectively carry out accurate spacing regulation through holding in the palm end internal thread ring on adjusting the pole.
Preferably, the matching relationship between the guiding strips and the corresponding inner side walls of the longitudinal guiding grooves is clearance fit, and the lower surfaces of the balancing weights are in contact fit with the surfaces of the corresponding balancing weights, so that the contact stability between the balancing weights and the balancing weights is guaranteed.
Preferably, the fit relation between the long bolt and the inner side wall of the corresponding through hole is clearance fit, the nut end of the long bolt is embedded into the inner side of the through hole, and the effective threaded connection length of the long bolt is larger than the thickness of the balancing weight and smaller than the sum of the thicknesses of the balancing weight and the balancing weight.
Preferably, the transverse length of the balance weight is smaller than that of the vertical hanging plate.
Preferably, the matching relationship between the outer side wall of the bottom port of the guide limiting ring and the inner side wall of the corresponding embedded underpan is transition matching.
(III) advantageous effects
The invention provides an adjustable counterweight mechanism for a crane. The method has the following beneficial effects:
(1) the adjustable counterweight mechanism for the crane is characterized in that a regulating rod, a counterweight, a guide limiting ring, a bottom internal thread ring and an embedded support chassis are arranged to be matched with each other, when the counterweight is assembled and used, the assembly position height of the counterweight is regulated according to the requirement of the balance counterweight of hoisting equipment, the counterweight is sequentially assembled between the two regulating rods from top to bottom, when the counterweight is regulated to the adaptive position height, the two embedded support chassis can be in threaded meshing activity on the corresponding regulating rods through the bottom internal thread ring until the bottom port of the guide limiting ring is embedded into the inner side of the corresponding embedded support chassis, the two embedded support chassis can realize the limit of the vertical downward movement of the counterweight through the meshing of the bottom internal thread ring and the regulating threads, thereby achieving the purpose of accurately regulating and limiting the counterweight, and being different from the traditional mode of mutual clamping and limiting between the counterweights, the balance effect of the balance weight on the hoisting equipment is greatly improved.
(2) This an adjustable balanced heavy mechanism for hoist sets up the balancing weight on balanced heavy, through leading-in vertical leading-in groove of leading-in strip between balancing weight and the balancing weight, interconnect between rethread long bolt with balancing weight and the balancing weight, effectual assurance is balanced heavy and the connection stability between the balancing weight, increases the balanced gravity of balanced heavy mechanism to improve the application range of balanced counter weight of balanced heavy.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
In the figure: the vertical hanging plate 1, the horizontal carrier plate 2, the vertical movable hole 3, the adjusting rod 4, the balance weight 5, the guide limiting ring 6, the support bottom internal thread ring 7, the embedded support chassis 8, the longitudinal guide groove 9, the balance weight 10, the guide strip 11, the thread positioning hole 12, the through hole 13 and the long bolt 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
As shown in fig. 1-3, the present invention provides a technical solution: an adjustable counterweight mechanism for a crane comprises a vertical hanging plate 1 and a transverse load-bearing plate 2, wherein the transverse load-bearing plate 2 is transversely arranged on the front surface of the vertical hanging plate 1 through a rib plate, vertical moving holes 3 are symmetrically arranged on the transverse load-bearing plate 2, adjusting rods 4 connected with a hydraulic machine are movably inserted in the two vertical moving holes 3, a plurality of counterweight 5 are arranged between the parts of the two adjusting rods 4 positioned below the transverse load-bearing plate 2, mounting holes are symmetrically arranged on the counterweight 5, guide limiting rings 6 are welded in the mounting holes, the adjusting rods 4 penetrate through the corresponding counterweight 5 through the guide limiting rings 6, a bottom-bearing internal thread ring 7 is arranged right below each wire limiting ring 6, an embedded bottom-bearing plate 8 matched with the corresponding guide limiting rings 6 is arranged on the bottom-bearing internal thread ring 7, the adjusting rods 4 movably insert the corresponding bottom-bearing rings 7 and the embedded bottom-bearing plates 8, the bottom ports of the guide limit rings 6 are embedded into corresponding embedded bottom trays 8, the number of the balance weights 5 ranges from 3 to 8, a plurality of balance weights 5 are arranged in parallel, so that the balance weight 5 can effectively carry out weight balance configuration on the balance mechanism, the two adjusting rods 4 are symmetrically arranged about the vertical hanging plate 1, the adjusting rods 4 are composed of a polished rod and a screw rod, the polished rod part of the adjusting rods 4 movably penetrates through the vertical movable holes 3, the screw rod part of the adjusting rods 4 penetrates through the corresponding balance weight 5, the guide limiting ring 6 and the bottom supporting internal thread ring 7, make balanced heavy 5 can effectively carry out accurate spacing regulation on adjusting pole 4 through holding in the palm bottom internal thread ring 7, the horizontal length of balanced heavy 5 is less than the horizontal length of perpendicular link plate 1, and the cooperation relation between the bottom port lateral wall of direction spacing ring 6 and the corresponding embedding support chassis 8 inside wall is transition fit.
The upper surface of the balancing weight 5 is equidistantly provided with longitudinal leading-in grooves 9, each balancing weight 5 is provided with a balancing weight 10, the bottom of each balancing weight 10 is provided with a leading-in strip 11 matched with the longitudinal leading-in groove 9, the leading-in strip 11 is longitudinally led into the inner side of the corresponding longitudinal leading-in groove 9, each balancing weight 5 is provided with a threaded positioning hole 12, each balancing weight 10 is provided with a through hole 13 corresponding to the threaded positioning hole 12, each balancing weight 10 is provided with a long bolt 14 in a penetrating way through the through hole 13, the tail end thread of each long bolt 14 is inserted into the corresponding threaded positioning hole 12, the matching relationship between each leading-in strip 11 and the corresponding inner side wall of the longitudinal leading-in groove 9 is clearance fit, the lower surface of each balancing weight 10 is in contact fit with the corresponding surface of the balancing weight 5, the contact stability between each balancing weight 10 and the balancing weight 5 is guaranteed, and the matching relationship between each long bolt 14 and the corresponding inner side wall of the corresponding through hole 13 is clearance fit, the nut end of the long bolt 14 is embedded into the inner side of the through hole 13, and the effective threaded connection length of the long bolt 14 is larger than the thickness of the balancing weight 10 and smaller than the sum of the thicknesses of the balancing weight 10 and the balancing weight 5.
In conclusion, when the balance weight 5 is assembled and used, the assembly position height of the balance weight 5 is adjusted according to the balance weight requirement of the hoisting equipment, the balance weight 5 is sequentially assembled between the two adjusting rods 4 from top to bottom, when the balance weight 5 is adjusted to the adaptive position height, the bottom internal thread ring 7 is in thread meshing activity on the corresponding adjusting rod 4 until the bottom port of the guide limiting ring 6 is embedded into the inner side of the corresponding embedded supporting chassis 8, the two embedded supporting chassis 8 achieve the purpose of vertically and downwardly moving the balance weight 5 through the bottom internal thread ring 7 and the adjusting thread meshing, and therefore the purpose of accurately adjusting and limiting the balance weight 5 is achieved.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an adjustable counterweight mechanism for hoist, includes perpendicular link plate and horizontal loading board, its characterized in that: the horizontal carrier plate is transversely installed on the front face of the vertical hanging plate through a rib plate, vertical movable holes are symmetrically formed in the horizontal carrier plate, adjusting rods connected with the hydraulic press are movably inserted in the two vertical movable holes, a plurality of balance weights are arranged between the lower portions of the two adjusting rods, mounting holes are symmetrically formed in the balance weights, guide limiting rings are welded in the mounting holes, the adjusting rods penetrate through the corresponding balance weights through the guide limiting rings, a bottom internal thread ring is arranged right below each wire limiting ring, an embedded bottom tray matched with the corresponding guide limiting ring is arranged on the bottom internal thread ring, the adjusting rods movably penetrate through the corresponding bottom internal thread ring and the embedded bottom tray, and a bottom port of the guide limiting ring is embedded into the corresponding embedded bottom tray;
vertical leading-in groove has been seted up to balanced heavy upper surface equal equidistance, all is provided with the balancing weight on every balanced heavy, the bottom of balancing weight is provided with the leading-in strip with vertical leading-in groove looks adaptation, the inboard of the vertical leading-in groove of leading-in strip vertical leading-in corresponding, set up the screw thread locating hole on the balanced heavy, set up the through hole corresponding with the screw thread locating hole on the balancing weight, the balancing weight runs through the through hole and is provided with the stay bolt, the terminal screw thread of stay bolt is pegged graft in corresponding screw thread locating hole.
2. An adjustable counterweight mechanism for a crane according to claim 1, wherein: the number of the balancing weights ranges from 3 to 8, and a plurality of the balancing weights are arranged in parallel.
3. An adjustable counterweight mechanism for a crane according to claim 1, wherein: two adjust the pole about perpendicular link plate symmetry sets up, adjust the pole and constitute by polished rod and lead screw two parts, the polished rod part activity of adjusting the pole runs through perpendicular movable hole, the corresponding balance weight of lead screw part screw thread run through of adjusting the pole, the spacing ring of leading to and hold in the palm end internal thread ring.
4. An adjustable counterweight mechanism for a crane according to claim 1, wherein: the matching relationship between the guiding strips and the corresponding inner side walls of the longitudinal guiding grooves is clearance fit, and the lower surfaces of the balancing weights are in contact fit with the surfaces of the corresponding balancing weights.
5. An adjustable counterweight mechanism for a crane according to claim 1, wherein: the long bolt is in clearance fit with the inner side wall of the corresponding through hole, the nut end of the long bolt is embedded into the inner side of the through hole, and the effective threaded connection length of the long bolt is larger than the thickness of the balancing weight and smaller than the sum of the thicknesses of the balancing weight and the balancing weight.
6. An adjustable counterweight mechanism for a crane according to claim 1, wherein: the transverse length of the counterweight is less than that of the vertical hanging plate.
7. An adjustable counterweight mechanism for a crane according to claim 1, wherein: the matching relationship between the outer side wall of the bottom port of the guide limiting ring and the inner side wall of the corresponding embedded bottom tray is transition matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110555570.7A CN113213359A (en) | 2021-05-21 | 2021-05-21 | Adjustable counterweight mechanism for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110555570.7A CN113213359A (en) | 2021-05-21 | 2021-05-21 | Adjustable counterweight mechanism for crane |
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| Publication Number | Publication Date |
|---|---|
| CN113213359A true CN113213359A (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110555570.7A Pending CN113213359A (en) | 2021-05-21 | 2021-05-21 | Adjustable counterweight mechanism for crane |
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| Country | Link |
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| CN (1) | CN113213359A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5524777A (en) * | 1994-02-23 | 1996-06-11 | Fried. Krupp Ag Hoesch-Krupp | Lifting apparatus for a transfer device |
| JP2014125281A (en) * | 2012-12-25 | 2014-07-07 | Nippon Sharyo Seizo Kaisha Ltd | Manufacturing method of car body weight and car body weight |
| CN207582557U (en) * | 2017-11-16 | 2018-07-06 | 何泽波 | A kind of loading machine balance weight |
| CN209285551U (en) * | 2018-09-19 | 2019-08-23 | 明峰医疗***股份有限公司 | A kind of counterweight adjustment structure of CT rack |
| CN210710290U (en) * | 2019-09-11 | 2020-06-09 | 刘强 | Counterweight device for elevator |
| CN212503732U (en) * | 2020-05-29 | 2021-02-09 | 天津泓源塑料制品有限公司 | Balance weight mechanism for mechanical equipment |
-
2021
- 2021-05-21 CN CN202110555570.7A patent/CN113213359A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5524777A (en) * | 1994-02-23 | 1996-06-11 | Fried. Krupp Ag Hoesch-Krupp | Lifting apparatus for a transfer device |
| JP2014125281A (en) * | 2012-12-25 | 2014-07-07 | Nippon Sharyo Seizo Kaisha Ltd | Manufacturing method of car body weight and car body weight |
| CN207582557U (en) * | 2017-11-16 | 2018-07-06 | 何泽波 | A kind of loading machine balance weight |
| CN209285551U (en) * | 2018-09-19 | 2019-08-23 | 明峰医疗***股份有限公司 | A kind of counterweight adjustment structure of CT rack |
| CN210710290U (en) * | 2019-09-11 | 2020-06-09 | 刘强 | Counterweight device for elevator |
| CN212503732U (en) * | 2020-05-29 | 2021-02-09 | 天津泓源塑料制品有限公司 | Balance weight mechanism for mechanical equipment |
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Application publication date: 20210806 |