CN211338704U - Lifting device with counter weight - Google Patents
Lifting device with counter weight Download PDFInfo
- Publication number
- CN211338704U CN211338704U CN201921169783.0U CN201921169783U CN211338704U CN 211338704 U CN211338704 U CN 211338704U CN 201921169783 U CN201921169783 U CN 201921169783U CN 211338704 U CN211338704 U CN 211338704U
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- counterweight
- weight
- lever
- screw rod
- power input
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Abstract
The utility model discloses a elevating gear with counter weight, including the bearing base, the counter weight lever, the elevating platform, including a motor, an end cap, a controller, and a cover plate, connect the fixed block on the bearing base, set up power input shaft on the fixed block, power input shaft connects the motor, power input shaft passes through lifting connecting rod and counter weight lever connection, counter weight lever one end fixed connection weight box, place the distribution pouring weight in the weight box, the weight box is provided with the fixing device of balancing weight, the articulated support connecting rod of counter weight lever, it is articulated with the elevating platform to support the connecting rod, the partial gravity that the elevating platform was offset to the gravity of the weight box of balancing weight utilizes leverage, reduce the power input of power input shaft department, the weight box has strengthened joint strength through welded fastening connection with the counter weight lever, the fixing device reinforcing that sets up the balancing weight in the.
Description
Technical Field
The utility model mainly relates to a lifting device, concretely relates to lifting device with counter weight.
Background
In the steel processing technology, a lifting device is needed, and due to the characteristics of steel products, the lifting device is heavy in weight and large in size, so that the lifting power required by the lifting device is very large. The traditional lifting device uses a motor to provide power for the lifting device, the energy consumption is high, the stress of a transmission shaft at the power input position of the whole lifting device is huge, the lifting device is easy to damage, and the cost of the whole lifting device is high. At present, some enterprises adopt lifting devices with counterweights, but the counterweights are directly fixed by bolts, so that the strength is not enough, and production accidents are easy to happen. In view of the above disadvantages, the applicant proposes a lifting device with a counterweight, which reduces the starting power of the lifting device, reduces the damage of the power input shaft, divides the counterweight into a counterweight box and a counterweight block, enhances the connection strength of the counterweight box and a counterweight lever, and increases the grabbing strength of the counterweight box to the counterweight block.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lifting device with counter weight, it is big that aim at solves current electric power lifting device energy consumption, and the not enough problem of power has solved the not enough problem of current lifting device's with counter weight joint strength simultaneously.
In order to achieve the expected purpose, the utility model adopts the technical scheme that:
the utility model provides a elevating gear with counter weight, its characterized in that, includes bearing base, counter weight lever, elevating platform, motor, connect the fixed block on the bearing base, set up power input shaft on the fixed block, power input shaft connecting motor, power input shaft passes through lifting connecting rod and counter weight lever connection, counter weight lever one end fixed connection weight box places the distribution pouring weight in the weight box, the weight box is provided with the fixing device of balancing weight, and the articulated supporting connecting rod of counter weight lever, the supporting connecting rod is articulated with the elevating platform.
Further, the support connecting rod includes adapter sleeve, levogyration lead screw and installs levogyration on the levogyration lead screw and cap, dextrorotation lead screw and install dextrorotation on the dextrorotation lead screw and cap, and levogyration lead screw is connected in the left side of adapter sleeve, and dextrorotation lead screw is connected on the right side of adapter sleeve.
Furthermore, the inner wall of the connecting sleeve is provided with an internal thread, the internal thread is provided with a partition area in the middle of the connecting sleeve, the internal thread is not arranged on the inner wall of the connecting sleeve in the partition area, the internal thread on the left side of the partition area is matched with the left-handed screw rod, and the internal thread on the right side of the partition area is matched with the right-handed screw rod.
Furthermore, the left-handed screw rod is hinged with one end of the balance weight lever, and the right-handed screw rod is hinged with the lifting platform.
Furthermore, the power input shaft adopts a crankshaft, and the lifting connecting rod is hinged with a shaft neck of the crankshaft.
Furthermore, the lifting connecting rod is hinged with a crank, the crank is hinged with a counterweight lever, and the connecting position of the crank and the counterweight lever is the lever fulcrum of the counterweight lever.
Furthermore, the counterweight lever is rotatably connected with the bearing base, and the connection position of the counterweight lever and the bearing base is at the lever fulcrum of the counterweight lever.
Preferably, the position of the lever fulcrum of the counterweight lever on the counterweight lever is close to one end of the support connecting rod connected with the counterweight lever, so that the weight of the counterweight block in actual use is reduced.
Furthermore, the counterweight block placed in the counterweight box is a cement pouring block, and the counterweight block is fixedly connected with a clamping plate which is clamped on the counterweight block.
Furthermore, threaded holes are formed in the side wall of the weight box and distributed at different heights of the weight box, and the threaded holes penetrate through the side wall of the weight box.
Furthermore, reinforcing ribs are arranged on the outer side of the weight box.
Further, the power input shaft is in transmission connection with the output end of the motor.
Further, the main body structures of the lifting connecting rod and the supporting connecting rod are the same, and the length can be adjusted in the actual use process, and the difference points are as follows: the lifting connecting rod and the supporting connecting rod are located at different positions in the lifting device, so that the connecting parts are different, and the connecting parts of the lifting connecting rod and the supporting connecting rod are different from the connecting parts of other parts.
Preferably, the weight box is welded with the weight lever.
Preferably, the lifting platform is hinged to the lifting platform base.
It should be noted that, in the practical use process, the power input shaft is connected with the output end of the motor in a transmission manner to provide necessary power for the lifting device. The motor is not shown in the drawings because it is conventional to rely on the motor to provide the necessary power source and to drivingly connect the output of the motor to the power input shaft.
Has the advantages that: the gravity of the weight box added with the balancing weight and the gravity of the lifting platform act on two ends of the balancing weight lever, the gravity of the weight box of the balancing weight offsets partial gravity of the lifting platform by utilizing the lever action, and the power input at the power input shaft is reduced. The counterweight box and the counterweight lever are fixedly connected by welding to enhance the connection strength. The fixing device of the counterweight block arranged in the counterweight box enhances the grabbing strength of the counterweight block. The length of the lifting connecting rod and the length of the supporting connecting rod are adjustable, and fine adjustment required in the actual use process is facilitated.
Drawings
Fig. 1 is an overall structure diagram of the present invention.
Fig. 2 is the composition of the weight box and the weight block of the present invention.
Fig. 3 shows a structure diagram of the support link of the present invention.
Fig. 4 is a structure view of the lifting connecting rod of the present invention.
Fig. 5 is a view along direction a of fig. 4.
Fig. 6 is a structure view of the power input shaft of the present invention.
Wherein: 1. the lifting device comprises a bearing base 2, a counterweight lever 3, a lifting platform 4, a fixed block 5, a power input shaft 6, a shaft neck 7, a lifting connecting rod 8, a counterweight box 801, a clamping plate 802, a threaded hole 803, a reinforcing rib 9, a supporting connecting rod 901, a connecting sleeve 902, a right-handed screw rod 903, a left-handed screw rod 904, a right-handed nut 905, a left-handed nut 906, a partition area 10, a rotating shaft 11, a crank 12, a lifting platform base 13 and a counterweight block.
Detailed Description
The present invention will be further described with reference to the following embodiments and the accompanying drawings, but the present invention is not limited to the following embodiments, and all changes that do not depart from the structure and function of the present invention are within the protection scope of the present invention.
As shown in fig. 1 to 6, a lifting device with a counterweight is characterized by comprising a bearing base 1, a counterweight lever 2, a lifting platform 3 and a motor. The bearing base 1 is connected with a fixing block 4, the fixing block 4 is provided with a power input shaft 5, the power input shaft 5 is rotatably connected with the fixing block 4 through a bearing, and the power input shaft 5 is connected with a motor. The power input shaft 5 is connected with the counterweight lever 2 through the lifting connecting rod 7, the lifting connecting rod 7 is hinged with the crank 11, the crank 11 is hinged with the counterweight lever 2, the counterweight lever 2 is fixedly connected with the rotating shaft 10, the crank 11 is fixedly connected with the rotating shaft 10, one end of the rotating shaft 10 is fixedly connected with the crank 11, and the other end of the rotating shaft 10 is connected with the bearing base through the bearing in a rotatable manner. The connecting position of the crank 11 and the counterweight lever 2 is the lever fulcrum of the counterweight lever 2. The power output shaft 5 adopts a crankshaft, and the lifting connecting rod 7 is hinged with a shaft neck 6 of the crankshaft. The main body structures of the lifting connecting rod 7 and the supporting connecting rod 9 are the same, and the length can be adjusted in the actual use process, and the difference points are as follows: the lifting link 7 and the supporting link 9 are located at different positions in the lifting device, so that different connecting parts are needed, and the connecting parts of the lifting link and the supporting link are different in structure from other parts. The specific structure of the lifting link 7 is shown in fig. 4 and 5, the specific structure of the support link 9 is shown in fig. 3, and since the main structures of the lifting link 7 and the support link 9 are substantially the same, only the specific structure and the use principle of the support link 9 are specifically described in the specific embodiment, and details on the structure and the working principle of the lifting link 7 are not repeated. One end of the counterweight lever 2 is fixedly connected with a counterweight box 8, a counterweight block 13 is placed in the counterweight box 8, the counterweight block 13 placed in the counterweight box 8 is a cement pouring block, the counterweight box 8 is provided with a fixing device of the counterweight block 13, a clamping plate 801 is fixedly connected to the counterweight box 8, the clamping plate 801 is clamped on the counterweight block 13, threaded holes 802 are formed in the side wall of the counterweight box 8, the threaded holes 802 are distributed at different heights of the counterweight box 8, the threaded holes 802 penetrate through the side wall of the counterweight box 8, when the counterweight box is actually used, according to the height of the cement block to be poured, threaded columns are assembled in the threaded holes 802 at corresponding positions and extend out of the side wall of the counterweight box 8 into the counterweight box 8, the threaded columns are poured in the cement block together (namely, the threaded columns are poured in the counterweight block 13) in the pouring process, so that the stability of the counterweight block 13 and the grabbing strength of the counterweight block 8 to the, combining the function of the clamping plate 801, when the counterweight block 13 poured by cement is solidified, the counterweight block 13 can be firmly fixed in the counterweight box 8. The counterweight lever 2 is rotatably connected with the bearing base 1. The connection of the counterweight lever 2 and the load-bearing base 1 is at the lever fulcrum of the counterweight lever 2. The balance weight lever 2 is hinged with a support connecting rod 9, and the lever fulcrum of the balance weight lever 2 is close to one end of the support connecting rod 9 connected with the balance weight lever 2 on the balance weight lever 2. The support connecting rod 9 comprises a connecting sleeve 901, a left-handed screw rod 903, a left-handed nut 905 arranged on the left-handed screw rod 903, a right-handed screw rod 902 and a right-handed nut 904 arranged on the right-handed screw rod 902, the left-handed screw rod 903 is connected to the left side of the connecting sleeve 901, and the right-handed screw rod 902 is connected to the right side of the connecting sleeve 901. The inner wall of the connecting sleeve 901 is provided with internal threads, the middle part of the connecting sleeve 901 is provided with a partition area 906 by the internal threads, the inner wall of the connecting sleeve 901 in the partition area 906 is not provided with the internal threads, the internal threads on the left side of the partition area 906 are matched with the left-handed screw rod 903, and the internal threads on the right side of the partition area 906 are matched with the right-handed screw rod 902. The support connecting rod 9 is hinged to the lifting platform 3, the left-handed screw rod 903 is hinged to one end of the balance weight lever 2, the right-handed screw rod 902 is hinged to the lifting platform 3, and the lifting platform 3 is hinged to the lifting platform base 12.
In the process of thread matching, the thread parts which are matched with each other rotate along opposite parts to enable the thread parts to be matched with each other or fall off from each other, the left-handed screw rod 903 is matched with corresponding internal threads in the connecting sleeve 901, but the screwing directions of the left-handed screw rod 903 and the left-handed screw rod 903 are opposite to the screwing directions of the left-handed screw rod 903 and the connecting sleeve 901, that is, when the left-handed screw rod 903 is screwed into the connecting sleeve 901, the left-handed screw rod 903 is screwed out relative to the left-handed screw cap 905, so that the left-handed screw rod 903 needs to be fixed in the actual adjustment, the left-handed screw cap 905 is screwed away from the connecting sleeve 901, then the left-handed screw rod 903 is screwed to adjust the relative connecting length between the left-handed screw rod 903 and the connecting sleeve 901, and in the process, the left-handed screw cap 905 always performs synchronous rotary motion in the same direction with the left-. After the position is determined, the left-handed screw rod 903 is locked by screwing the left-handed screw cap 905 to be tightly attached to the left side of the connecting sleeve 901. The adjustment principle of the right-handed screw rod 902 is the same as that of the left-handed screw rod 903, and is not described herein.
It should be noted that, in the actual use process, the power input shaft 5 is in transmission connection with the output end of the motor to provide necessary power for the lifting device. The motor is not shown in the drawings because it is conventional to rely on the motor to provide the necessary power source and to drivingly connect the output of the motor to the power input shaft.
The specific working principle is as follows: under the normal state, the gravity of the weight box 8 filled with the counterweight block 13 acts on one end of the counterweight lever 2 close to the weight box 8, at this time, the gravity of the weight box 8 filled with the counterweight block 13 is balanced with the gravity of the lifting platform 3 (because the actual weight of the counterweight block 13 is calculated according to the weight of the support platform 3, the purpose is to balance the two ends of the counterweight), when the lifting platform 3 needs to be lifted, the motor works to provide additional power for the lifting device, the output end of the motor is in transmission connection with the power input shaft 5, the power input shaft 5 is driven by the motor to rotate (counterclockwise in the embodiment) so as to drive the lifting connecting rod 7 to rotate, the lifting connecting rod 7 is hinged with the crank 11, the crank 11 is fixedly connected with the rotating shaft 10 fixed on the counterweight lever 2, so that the lifting connecting rod 7 drives the crank 11 to pull the counterweight lever 2 to rotate around the rotating shaft 10, the weight box 8 falls, the support connecting rod 9 jacks up the lifting platform 3 to lift up around the lifting platform base 12, and in the process, the gravity of the weight box 8 in the descending process can provide power for lifting the lifting platform 3. After the operation is finished, the motor drives the power input shaft 5 to turn (clockwise), the lifting platform 3 falls, the weight box 8 rises, the balance state is returned, and the normal work is realized repeatedly. In the whole process, the clamping plate 801 is clamped above the balancing weight 13, the balancing weight 13 is tightly fixed by the threaded column which is matched with the balancing weight 13, and the risk that the balancing weight 13 shakes or even falls off in the working process of the lifting device is avoided. The reinforcing ribs 803 around the weight box 8 enhance the side wall load bearing capacity of the weight box 8.
The length of the support link 9 needs to be adjusted to adjust the horizontal angle of the counterweight lever 2, so that the gravity of the counterweight box 8 and the support table 3 can be perfectly balanced.
When the length of the support connecting rod 9 is adjusted, the left-handed parallel shoulder 905 and the right-handed parallel shoulder 904 are unscrewed and loosened, the positions of the left-handed screw rod 903 and the right-handed screw rod 902 are respectively adjusted until the length meets the requirement, and at the moment, the left-handed parallel cap 905 and the right-handed parallel cap 904 are screwed down to complete length locking.
To sum up, the utility model discloses reach anticipated purpose.
Claims (9)
1. The utility model provides a elevating gear with counter weight, its characterized in that, includes bearing base, counter weight lever, elevating platform, motor, connect the fixed block on the bearing base, set up power input shaft on the fixed block, power input shaft connecting motor, power input shaft passes through lifting connecting rod and counter weight lever connection, counter weight lever one end fixed connection weight box places the distribution pouring weight in the weight box, the weight box is provided with the fixing device of balancing weight, and the articulated supporting connecting rod of counter weight lever, the supporting connecting rod is articulated with the elevating platform.
2. The lifting device with a counterweight according to claim 1, wherein the support link comprises a connection sleeve, a left-handed screw rod, and a left-handed nut and a right-handed screw rod mounted on the left-handed screw rod, and a right-handed nut and a right-handed screw rod mounted on the right-handed screw rod, the left-handed screw rod is connected to the left side of the connection sleeve, and the right-handed screw rod is connected to the right side of the connection sleeve.
3. The lifting device with the counterweight according to claim 2, wherein the inner wall of the connecting sleeve is provided with an internal thread, the internal thread is provided with a partition area in the middle of the connecting sleeve, the inner wall of the connecting sleeve in the partition area is not provided with an internal thread, the internal thread on the left side of the partition area is matched with the left-handed screw rod, and the internal thread on the right side of the partition area is matched with the right-handed screw rod.
4. The lifting device with counterweight according to claim 3, wherein said left-hand lead screw is hinged to one end of the counterweight lever, and said right-hand lead screw is hinged to the lifting platform.
5. The lifting device with the counterweight according to claim 1 or 4, wherein the power input shaft is a crankshaft, and the lifting connecting rod is hinged with a journal of the crankshaft.
6. The lifting device with a counterweight as claimed in claim 5, wherein the lifting connecting rod is hinged with a crank, the crank is hinged with a counterweight lever, and the joint of the crank and the counterweight lever is the lever fulcrum of the counterweight lever.
7. The lifting device with a counterweight according to claim 1, wherein a clamping plate is fixedly connected to the counterweight box, and the clamping plate is clamped on the counterweight.
8. The lift device with counterweight of claim 7 wherein said side wall of said weight box is threaded.
9. The counterweight lifting device according to claim 8, wherein reinforcing ribs are provided on an outer side of said weight box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169783.0U CN211338704U (en) | 2019-07-24 | 2019-07-24 | Lifting device with counter weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169783.0U CN211338704U (en) | 2019-07-24 | 2019-07-24 | Lifting device with counter weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211338704U true CN211338704U (en) | 2020-08-25 |
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ID=72130390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921169783.0U Active CN211338704U (en) | 2019-07-24 | 2019-07-24 | Lifting device with counter weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211338704U (en) |
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2019
- 2019-07-24 CN CN201921169783.0U patent/CN211338704U/en active Active
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