CN211617682U - Novel pole is embraced to load dolly and electric power - Google Patents
Novel pole is embraced to load dolly and electric power Download PDFInfo
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- CN211617682U CN211617682U CN201921510693.3U CN201921510693U CN211617682U CN 211617682 U CN211617682 U CN 211617682U CN 201921510693 U CN201921510693 U CN 201921510693U CN 211617682 U CN211617682 U CN 211617682U
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Abstract
The utility model discloses a novel pole is embraced to load dolly and electric power, be rectangle braced frame's dolly frame (10), fix gyro wheel (20) on the dolly frame including the main part, the gyro wheel is installed in the davit track, characterized by: the four-roller-type rolling wheel support is characterized by further comprising four roller seats (30), the four roller seats are respectively installed at four corners of the support frame, the roller seat body is a rectangular frame body, a bolt hole (32) for connecting the support frame is formed in the middle of the roller seat body, shaft holes (33) for symmetrically installing the rollers are formed in the left end and the right end of the roller seat body, and the rollers are installed in the shaft holes through pin shafts (34. Two rollers are arranged on each roller seat, so that the contact area between the rollers and the suspension arm guide rail is increased, and the local abrasion condition between the trolley rollers and the suspension arm guide rail is reduced.
Description
Technical Field
The utility model relates to a hoisting machinery technical field, concretely relates to a load dolly roller seat device for hoist, this design mainly uses on pole is embraced to electric power.
Background
Along with the development of transmission of electricity electric wire netting construction, networking engineering constantly increases, therefore the quantity of electric power iron tower constantly increases, and it needs to use hoisting equipment such as electric power armful pole to build electric power iron tower, electric power armful pole is in hoist and mount work, the horizontal seesaw is done to the load dolly, the vertical up-and-down motion is done to the lifting hook, the load dolly drives the lifting hook through wire rope and carries out horizontal seesaw, so that with accurate the placing predetermined point of material, accurate hoisting position and placing position need the stable operating condition of load dolly as the prerequisite, and the stability of maintaining the load dolly depends on the stability when dolly gyro wheel and davit rail contact, so the installation design of load dolly gyro wheel is especially important, in order to guarantee that electric power armful pole's hoist and mount.
The prior art has the following problems:
1. the load-carrying trolley is in contact with the suspension arm main chord through the four idler wheels, abrasion phenomena of different degrees can be generated on the idler wheels and the suspension arm in continuous hoisting work, the condition of three legs is easy to occur, the load-carrying trolley vibrates and inclines (deviates) in the running process, particularly when the load-carrying trolley is started and braked, faults such as torsion and shaking of a trolley body, unstable running, inclination running or vibration of the whole crane can be caused, and the potential safety hazard is large.
2. When oil stains are arranged on the track of the suspension arm, or the smooth finish of the treads of the two idler wheels is too large, the load-carrying trolley is easy to twist or slip when being started, so that the lifting position is influenced, the control difficulty is increased, the twisting phenomenon of the load-carrying trolley is easy to cause the twisting of a transmission shaft and the local abrasion of the track, unevenness is formed, and the twisting phenomenon and the like when being started are aggravated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome not enough among the prior art, through the mounting means who changes gyro wheel on the load dolly, adopt the mode of gyro wheel seat device connection gyro wheel, reduce the potential safety hazard.
The technical scheme of the invention is as follows: the utility model provides a novel load dolly for pole is embraced to electric power, includes that the main part is rectangle braced frame's dolly frame, fixes the gyro wheel on dolly frame, and the gyro wheel is installed in the davit track, characterized by: the roller seat body is a rectangular frame body, a bolt hole for connecting the supporting frame is formed in the middle of the rectangular frame body, shaft holes for symmetrically installing the rollers are formed in the left end and the right end of the rectangular frame body, and the rollers are installed in the shaft holes through pin shafts.
Preferably, the rectangular frame body comprises rectangular support plates with symmetrical front and rear sides, the support plates are clamped on the support frame in the front and rear directions, a bolt hole for connecting the support frame is formed in the middle of each support plate, and shaft holes for symmetrically mounting the rollers are formed in the left end and the right end of each support plate; the top surface of the rectangular supporting plate is provided with a cover plate for clamping and positioning, and the middle of the rectangular supporting plate is provided with a bolt hole for connecting a supporting frame.
Preferably, the position of the supporting plate close to the bolt hole is provided with an opening for connecting the pressing plate.
Preferably, the cover plate is in a shape like the Chinese character 'zhong', and an opening for connecting the pressing plate is formed in the position close to the bolt hole.
Preferably, a shaft sleeve is further arranged in the shaft hole.
Preferably, the rectangular frame body of the roller seat is fixed by welding a front side supporting plate, a rear side supporting plate and a cover plate, and the shaft sleeve is fixed in the shaft hole in a welding manner.
The electric holding pole is characterized in that the carrying trolley is arranged in a suspension arm track through a roller seat and a roller of the carrying trolley.
The utility model provides a technical scheme that above-mentioned technical problem adopted and this technical scheme's advantage is:
1. the roller seat device of the load-carrying trolley is connected with the trolley frame through the pin shaft, one end of the pin shaft is fixed through the pressing plate, the situation that the pin shaft is loosened and rotates relative to the roller seat device in the lifting process is prevented, potential safety hazards are reduced, the pressing plate is fixedly connected through the bolt, the roller seat device is convenient to install and detach, and the later maintenance work efficiency of the load-carrying trolley is improved.
2. The four upright posts of the load-carrying trolley are respectively provided with a roller seat device, each roller seat device is provided with two rollers, the contact area of the rollers and the main chord of the suspension arm is increased, the local abrasion condition of the trolley rollers and the suspension arm guide rail is reduced, the phenomenon of twisting or slipping when the load-carrying trolley is started is effectively reduced, and the potential safety hazard is reduced.
3. The installation mode of the roller seat device is adopted, two rollers are additionally arranged on each side of the load-carrying trolley, and in the pole-holding hoisting process, each roller on the roller seat can be ensured to be in stable contact with a hoisting arm guide rail under the action of gravity, so that the phenomenon of three legs is reduced, and the potential safety hazard is reduced.
Drawings
Fig. 1 is a general view of the load-carrying trolley of the utility model.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view of the structure of the trolley frame of the present invention.
Fig. 4 is a schematic view of the roller seat structure of the present invention.
Fig. 5 is a schematic top view of the half section of fig. 4.
Detailed Description
Referring to fig. 1-5, a novel load-carrying trolley comprises a trolley frame 10, rollers 20 fixed on the trolley frame, a rectangular support frame 11 as the main body of the trolley frame, and rollers installed in the suspension arm rails, and roller seats 30, wherein the four roller seats are respectively installed at four corners of the support frame, the roller seat body is a rectangular frame body, a bolt hole 32 for connecting the support frame is arranged in the middle of the roller seat body, shaft holes 33 for symmetrically installing the rollers are arranged at the left end and the right end, and the rollers are installed in the shaft holes through pin shafts 34.
Specifically, the rectangular frame body comprises rectangular support plates 31 with front and rear sides symmetrical, the support plates are clamped on the support frame in the front and rear directions, a bolt hole 32 for connecting the support frame is arranged in the middle of each support plate 31, and shaft holes 33 for symmetrically mounting rollers are arranged at the left end and the right end of each support plate; also located within the shaft bore 33 is a bushing 37. The top surface of the rectangular supporting plate 31 is provided with a cover plate 35 for clamping and positioning, and the middle of the rectangular supporting plate is provided with a bolt hole for connecting a supporting frame. The rectangular frame body of the roller seat is fixedly welded by the front and rear side supporting plates 31 and the cover plate 35, and the shaft sleeve is fixedly welded in the shaft hole 33. The supporting plate 31 is provided with an opening connected with the pressing plate 36 at a position close to the bolt hole 32. The cover plate 35 is in a shape of Chinese character 'zhong', and an opening for connecting the pressure plate 36 is formed at a position close to the bolt hole 32. The roller shaft is protected by the shaft sleeve, so that the shearing force applied to the roller shaft in the lifting process is reduced, the roller is connected by the rolling bearing, the running resistance is reduced, the assembly and the maintenance are convenient, and the installation error and the frame deformation are compensated to a certain extent. The roller is made of No. 45 high-quality steel, and the proper hardness of the tread of the roller is guaranteed by quenching and tempering, so that the abrasion to the suspension arm rail is reduced while the service life of the roller is prolonged.
The electric holding pole adopts the load-carrying trolley, and is arranged in the suspension arm track through the roller seat and the roller of the load-carrying trolley.
The structure has the advantages that: the roller seat device is connected with the trolley frame through a pin shaft with the diameter of 55mm, one end of the pin shaft is fixed through a pressing plate, the situation that the pin shaft is loosened and rotates relative to the roller seat device in the lifting process is prevented, and the pressing plate of the pin shaft is fixed through bolts, so that the later maintenance work of the load-carrying trolley is facilitated. The two rollers are arranged on each roller seat, so that the contact area between the rollers and the suspension arm guide rail is increased, the local abrasion condition between the trolley rollers and the suspension arm guide rail is reduced, in the hoisting process, because the load-carrying trolley is under the action of gravity of a heavy object on the lifting hook through a steel wire rope, the roller seat device ensures that each roller on the roller seats is stably contacted with the suspension arm guide rail through fine adjustment, the phenomenon of three legs of the load-carrying trolley is reduced in the hoisting process of the electric power holding pole, and the hoisting work is smoothly completed.
Claims (7)
1. The utility model provides a novel load dolly, includes that the main part is rectangle braced frame's dolly frame (10), fixes gyro wheel (20) on the dolly frame, and the gyro wheel is installed in the davit track, characterized by: the four-roller-type rolling wheel support is characterized by further comprising four roller seats (30), the four roller seats are respectively installed at four corners of the support frame, the roller seat body is a rectangular frame body, a bolt hole (32) for connecting the support frame is formed in the middle of the roller seat body, shaft holes (33) for symmetrically installing the rollers are formed in the left end and the right end of the roller seat body, and the rollers are installed in the shaft holes through pin shafts (34.
2. The load-carrying trolley as claimed in claim 1, wherein the rectangular frame body comprises rectangular support plates (31) with symmetrical front and rear sides, the support plates are clamped on the support frame in the front and rear direction, a bolt hole (32) for connecting the support frame is arranged in the middle of each support plate (31), and axle holes (33) for symmetrically mounting the rollers are arranged at the left end and the right end of each support plate; the top surface of the rectangular supporting plate (31) is provided with a cover plate (35) for clamping and positioning, and the middle of the rectangular supporting plate is provided with a bolt hole for connecting a supporting frame.
3. The load carrying cart of claim 2, wherein: and a shaft sleeve is arranged in the shaft hole (33).
4. The load carrying cart of claim 3, wherein: the rectangular frame body of the roller seat is welded and fixed by a front side support plate (31), a rear side support plate and a cover plate (35), and the shaft sleeve is welded and fixed in the shaft hole (33).
5. The load carrying cart of claim 2, wherein: and the position of the support plate (31) close to the bolt hole (32) is provided with an opening for connecting the pressure plate (36).
6. The load carrying cart of claim 2, wherein: the cover plate (35) is in a shape of Chinese character 'zhong', and an opening hole for connecting the pressing plate (36) is formed in the position close to the bolt hole (32).
7. An electric derrick, characterized in that a load-carrying trolley according to any of the claims 1 to 6 is used, which is mounted in a boom rail by means of a roller seat and a roller of the load-carrying trolley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510693.3U CN211617682U (en) | 2019-09-11 | 2019-09-11 | Novel pole is embraced to load dolly and electric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921510693.3U CN211617682U (en) | 2019-09-11 | 2019-09-11 | Novel pole is embraced to load dolly and electric power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211617682U true CN211617682U (en) | 2020-10-02 |
Family
ID=72617355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921510693.3U Active CN211617682U (en) | 2019-09-11 | 2019-09-11 | Novel pole is embraced to load dolly and electric power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211617682U (en) |
-
2019
- 2019-09-11 CN CN201921510693.3U patent/CN211617682U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: NO.175, Chaohui Road, Xiacheng District, Hangzhou, Zhejiang 310000 Patentee after: Zhejiang Construction Engineering Machinery Group Co.,Ltd. Address before: NO.175, Chaohui Road, Xiacheng District, Hangzhou, Zhejiang 310000 Patentee before: ZHEJIANG CONSTRUCTION MACHINERY GROUP Co.,Ltd. |