CN110745712A - Lifting device for electric hoist - Google Patents
Lifting device for electric hoist Download PDFInfo
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- CN110745712A CN110745712A CN201911042115.6A CN201911042115A CN110745712A CN 110745712 A CN110745712 A CN 110745712A CN 201911042115 A CN201911042115 A CN 201911042115A CN 110745712 A CN110745712 A CN 110745712A
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- Prior art keywords
- block
- rod
- bracing
- wall
- groove
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Classifications
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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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/20—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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
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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
- B66C23/04—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 with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
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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
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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
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
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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
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a lifting device for an electric hoist, which comprises an electric hoist main body, a wall bracing column and a bracing rod assembly, wherein the bracing rod assembly comprises a telescopic bracing rod and a main bracing rod, an adjustable fixing mechanism is arranged between the telescopic bracing rod and the main bracing rod, the electric hoist main body is fixed on the top end surface of the telescopic bracing rod, a bracing sleeve is sleeved on the surface of the wall bracing column, and an integrated side block is arranged on one side of the bracing sleeve; through the rectangle inner chute that sets up, the base block groove, interior base block, the extension spring room, the arm-tie, the connecting block, spacing kelly, adjust the card hole, rotatable pull rod, the horizontal piece that draws, spacing side block and sideslip groove, make the surperficial quick lift adjustment that carries on of propping post at the wall of propping cover, thereby cause the height of electric hoist main part can be according to the nimble lift adjustment that carries on of actual conditions, and holistic regulation mode compares original device convenience more, can save adjustment time for operating personnel, improve work efficiency.
Description
Technical Field
The invention belongs to the technical field of electric hoists, and particularly relates to a lifting device for an electric hoist.
Background
The full-name electric hoist is a small-sized hoisting device, has small self volume, light dead weight and simple operation, is widely applied to industrial and mining enterprises, storage places and other places, and mainly comprises a motor, a transmission mechanism and a winding drum or a chain wheel.
The wall bracket is composed of a wall supporting column and a supporting rod, the electric hoist is fixed on the surface of the supporting rod through a bolt, and the height of the supporting rod cannot be adjusted quickly, so that the electric hoist cannot be adjusted conveniently in the subsequent use process.
Disclosure of Invention
The invention aims to provide a lifting device for an electric hoist, which aims to solve the problems that the existing electric hoist proposed in the background art needs to be installed on a wall support for use when in use, the wall support consists of a wall support column and a support rod, the electric hoist is fixed on the surface of the support rod through a bolt, and the height of the support rod cannot be quickly adjusted in a lifting way, so that the electric hoist is not convenient to adjust in a subsequent use process, and certain defects exist.
In order to achieve the purpose, the invention provides the following technical scheme: a lifting device for an electric hoist comprises an electric hoist main body, a wall bracing column and a bracing rod assembly, wherein the bracing rod assembly comprises a telescopic bracing rod and a main bracing rod, an adjustable fixing mechanism is arranged between the telescopic bracing rod and the main bracing rod, the electric hoist main body is fixed on the top end surface of the telescopic bracing rod, a bracing sleeve is sleeved on the surface of the wall bracing column, an integrated side block is arranged on one side of the bracing sleeve, the bottom end of the main bracing rod is rotatably connected with the side block, a rectangular inner sliding groove is formed in the wall bracing column, a base block groove is formed in the bracing sleeve, an inner base block is arranged in the base block groove, two tension spring chambers are symmetrically formed in the bracing sleeve, the two tension spring chambers are respectively positioned on two sides of the base block groove, a pulling plate is connected in the tension spring chambers, connecting blocks are symmetrically arranged on the two side surfaces of the inner base block, and the top end of each connecting block is welded and fixed with the pulling plate, the bilateral symmetry in base block groove has seted up the bar slide corresponding with the connecting block, the top of interior base block is equipped with the spacing kelly of integral type, the front surface of wall brace evenly sets up a plurality of regulation card holes with spacing kelly looks adaptation, and the top of spacing kelly runs through the inside to the rectangle in spout, the front surface of brace is provided with the horizontal piece that draws, just the inboard of horizontal piece that draws is fixed with rotatable pull rod, the top of rotatable pull rod is located the inside in base block groove, and the top and the interior base block swivelling joint of rotatable pull rod.
Preferably, the adjustable fixing mechanism comprises a rod groove formed in the main supporting rod, an integrated inner end block is arranged at the bottom end of the telescopic supporting rod and is located in the rod groove, a circular through hole is formed in the inner end block in a penetrating mode, a plurality of adjusting bolt holes corresponding to the circular through hole are uniformly formed in the surfaces of two sides of the main supporting rod, and the adjusting bolt holes are communicated with the inside of the rod groove.
Preferably, the top end of the rotatable pull rod is provided with an integrated rotating block, a rotating groove matched with the rotating block is formed in the inner base block, and the rotating block is located in the rotating groove.
Preferably, the front surface of the supporting sleeve is provided with a pull hole matched with the rotatable pull rod, the top end surface of the rotatable pull rod is symmetrically provided with two limiting side blocks, and two sides of the pull hole are symmetrically provided with two side sliding grooves corresponding to the limiting side blocks.
Preferably, the surfaces of the two sides of the transverse pulling block are symmetrically provided with integrated positioning blocks, and the front surface of the support sleeve is provided with two strip-shaped positioning grooves parallel to the positioning blocks.
Preferably, the inside top of spout is provided with slider in the rectangle, one side of slider is provided with the lug in the rectangle, and the top of lug is in the outside of wall dagger, the side of wall dagger is seted up with the corresponding lug slide of wall dagger, and the lug slide communicates with each other with the inside of spout in the rectangle, the top swivelling joint of main stay bar has oblique pull rod, just the top swivelling joint of oblique pull rod and lug.
Preferably, the both ends of wall dagger all are provided with L shape fixed plate, and the inside of L shape fixed plate runs through and has seted up four reservation bolt holes.
Compared with the prior art, the invention has the beneficial effects that:
1. through the rectangle inner chute that sets up, the base block groove, interior base block, the extension spring room, the arm-tie, the connecting block, spacing kelly, adjust the card hole, rotatable pull rod, the horizontal piece that draws, spacing side block and sideslip groove, make the surperficial quick lift adjustment that carries on of propping post at the wall of propping cover, thereby cause the height of electric hoist main part can be according to the nimble lift adjustment that carries on of actual conditions, and holistic regulation mode compares original device convenience more, can save adjustment time for operating personnel, improve work efficiency.
2. Through inner end block, pole groove, adjusting bolt hole and the circular through-hole that sets up for the length of vaulting pole subassembly can carry out appropriate regulation according to specific in service behavior, thereby change the position of electric hoist main part in the horizontal direction, improve the use convenience of electric hoist main part, avoid bringing inconvenient problem for the follow-up use of electric hoist main part because of vaulting pole subassembly length is too short.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top sectional view of the connection of the brace and the wall brace of the present invention;
FIG. 3 is an enlarged view of a portion of the area A in FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view of the connection between the protrusion and the wall brace according to the present invention;
fig. 5 is a schematic sectional view of a connection structure of a telescopic stay bar and a main stay bar according to embodiment 2 of the present invention;
in the figure: 1. a hoist main body; 2. a telescopic stay bar; 3. a diagonal member; 4. a bump; 5. a wall brace; 6. supporting sleeves; 7. horizontally placing a pulling block; 8. adjusting the clamping hole; 9. an L-shaped fixing plate; 10. a side block; 11. adjusting the bolt hole; 12. a main stay bar; 13. a rectangular inner chute; 14. a limiting clamping rod; 15. pulling a plate; 16. a tension spring chamber; 17. a rotatable pull rod; 18. a substrate groove; 19. an inner base block; 20. a bump slideway; 21. connecting blocks; 22. a side chute; 23. limiting the side block; 24. a rectangular inner slide block; 25. a rod groove; 26. an inner end block; 27. and a circular through hole.
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.
Example 1
Referring to fig. 1 to 4, the present invention provides a technical solution: a lifting device for an electric hoist comprises an electric hoist main body 1, a wall bracing column 5 and a bracing rod assembly, wherein the bracing rod assembly comprises a telescopic bracing rod 2 and a main bracing rod 12, an adjustable fixing mechanism is arranged between the telescopic bracing rod 2 and the main bracing rod 12, the electric hoist main body 1 is fixed on the top end surface of the telescopic bracing rod 2 through bolts, the surface of the wall bracing column 5 is sleeved with a bracing sleeve 6, one side of the bracing sleeve 6 is provided with an integrated side block 10, the bottom end of the main bracing rod 12 is rotatably connected with the side block 10 through a rotating shaft, a rectangular inner sliding groove 13 is arranged inside the wall bracing column 5, a base block groove 18 is arranged inside the bracing sleeve 6, an inner base block 19 is arranged inside the base block groove 18, two tension spring chambers 16 are symmetrically arranged inside the bracing sleeve 6, the two tension spring chambers 16 are respectively arranged at two sides of the base block groove 18, the tension spring chambers 16 are connected with a pull plate 15 through tension springs, and connecting blocks 21 are symmetrically arranged on the two side surfaces of the inner, the top end of the connecting block 21 is welded and fixed with the pull plate 15, strip-shaped slideways corresponding to the connecting block 21 are symmetrically arranged on two sides of the base block groove 18, the top end of the inner base block 19 is provided with an integrated limiting clamping rod 14, the front surface of the wall bracing column 5 is uniformly provided with a plurality of adjusting clamping holes 8 matched with the limiting clamping rod 14, the top end of the limiting clamping rod 14 penetrates through the inside of the rectangular inner sliding groove 13, the front surface of the bracing sleeve 6 is provided with a transverse pull block 7, the inner side of the transverse pull block 7 is welded and fixed with a rotatable pull rod 17, the top end of the rotatable pull rod 17 is positioned inside the base block groove 18, the top end of the rotatable pull rod 17 is rotatably connected with the inner base block 19, the height of the bracing sleeve 6 can be rapidly adjusted in a lifting mode on the surface of the wall bracing column 5, and therefore the height of the electric hoist main body 1 can be flexibly adjusted in a lifting mode according.
In this embodiment, preferably, the top end of the rotatable pull rod 17 is provided with an integrated rotating block, and a rotating groove adapted to the rotating block is formed in the inner base block 19, and the rotating block is located in the rotating groove, so that the rotatable pull rod 17 can rotate smoothly.
In this embodiment, preferably, the front surface of the brace 6 is provided with a draw hole adapted to the rotatable pull rod 17, the top surface of the rotatable pull rod 17 is symmetrically provided with two limiting side blocks 23 by welding, and the two sides of the draw hole are symmetrically provided with two side grooves 22 corresponding to the limiting side blocks 23, so that the rotatable pull rod 17 can be limited by a rotating manner after the limiting clamping rod 14 is pulled out from the inside of the wall brace 5, and the brace 6 can easily slide up and down.
In this embodiment, preferably, the both side surfaces of the horizontal pull block 7 are symmetrically provided with the positioning blocks of the integrated type, and the front surface of the brace 6 is provided with two strip-shaped positioning grooves parallel to the positioning blocks, so that the operator can align the two positioning blocks with the strip-shaped positioning grooves to cause the spacing side block 23 to align with the side sliding groove 22, thereby facilitating the pulling of the rotatable pull rod 17.
In this embodiment, preferably, the rectangular inner sliding block 24 is disposed at the top end inside the rectangular inner sliding groove 13, the protruding block 4 is disposed on one side of the rectangular inner sliding block 24, the top end of the protruding block 4 is located at the outer side of the wall brace 5, the protruding block slideway 20 corresponding to the wall brace 5 is disposed on the side surface of the wall brace 5, the protruding block slideway 20 is communicated with the inside of the rectangular inner sliding groove 13, the top of the main stay bar 12 is rotatably connected with the diagonal draw bar 3 through the rotating shaft, and the top end of the diagonal draw bar 3 is rotatably connected with the top end of the protruding block 4 through the rotating shaft, so that the main stay bar 12 can be well supported under the action of the diagonal draw bar 3 without affecting the normal up-and.
In this embodiment, preferably, both ends of the wall brace 5 are provided with the L-shaped fixing plate 9 by welding, and the inside of the L-shaped fixing plate 9 is penetrated and provided with four reserved bolt holes, so that the L-shaped fixing plate 9 can be fixed on the surface of the outer wall by bolts.
Example 2
Referring to fig. 1 to 5, the present invention provides a technical solution: a lifting device for an electric hoist comprises an electric hoist main body 1, a wall bracing column 5 and a bracing rod assembly, wherein the bracing rod assembly comprises a telescopic bracing rod 2 and a main bracing rod 12, an adjustable fixing mechanism is arranged between the telescopic bracing rod 2 and the main bracing rod 12, the electric hoist main body 1 is fixed on the top end surface of the telescopic bracing rod 2 through bolts, the surface of the wall bracing column 5 is sleeved with a bracing sleeve 6, one side of the bracing sleeve 6 is provided with an integrated side block 10, the bottom end of the main bracing rod 12 is rotatably connected with the side block 10 through a rotating shaft, a rectangular inner sliding groove 13 is arranged inside the wall bracing column 5, a base block groove 18 is arranged inside the bracing sleeve 6, an inner base block 19 is arranged inside the base block groove 18, two tension spring chambers 16 are symmetrically arranged inside the bracing sleeve 6, the two tension spring chambers 16 are respectively arranged at two sides of the base block groove 18, the tension spring chambers 16 are connected with a pull plate 15 through tension springs, and connecting blocks 21 are symmetrically arranged on the two side surfaces of the inner, the top end of the connecting block 21 is welded and fixed with the pull plate 15, strip-shaped slideways corresponding to the connecting block 21 are symmetrically arranged on two sides of the base block groove 18, the top end of the inner base block 19 is provided with an integrated limiting clamping rod 14, the front surface of the wall bracing column 5 is uniformly provided with a plurality of adjusting clamping holes 8 matched with the limiting clamping rod 14, the top end of the limiting clamping rod 14 penetrates through the inside of the rectangular inner sliding groove 13, the front surface of the bracing sleeve 6 is provided with a transverse pull block 7, the inner side of the transverse pull block 7 is welded and fixed with a rotatable pull rod 17, the top end of the rotatable pull rod 17 is positioned inside the base block groove 18, the top end of the rotatable pull rod 17 is rotatably connected with the inner base block 19, the height of the bracing sleeve 6 can be rapidly adjusted in a lifting mode on the surface of the wall bracing column 5, and therefore the height of the electric hoist main body 1 can be flexibly adjusted in a lifting mode according.
In this embodiment, preferably, the adjustable fixing mechanism includes a rod groove 25 formed inside the main supporting rod 12, an integrated inner end block 26 is disposed at the bottom end of the telescopic supporting rod 2, the inner end block 26 is located inside the rod groove 25, a circular through hole 27 is formed through the inner portion of the inner end block 26, a plurality of adjusting bolt holes 11 corresponding to the circular through holes 27 are uniformly formed in the two side surfaces of the main supporting rod 12, the adjusting bolt holes 11 are communicated with the inside of the rod groove 25, so that the length of the supporting rod assembly can be appropriately adjusted according to specific use conditions, and the position of the electric hoist main body 1 in the horizontal direction is changed.
In this embodiment, preferably, the top end of the rotatable pull rod 17 is provided with an integrated rotating block, and a rotating groove adapted to the rotating block is formed in the inner base block 19, and the rotating block is located in the rotating groove, so that the rotatable pull rod 17 can rotate smoothly.
In this embodiment, preferably, the front surface of the brace 6 is provided with a draw hole adapted to the rotatable pull rod 17, the top surface of the rotatable pull rod 17 is symmetrically provided with two limiting side blocks 23 by welding, and the two sides of the draw hole are symmetrically provided with two side grooves 22 corresponding to the limiting side blocks 23, so that the rotatable pull rod 17 can be limited by a rotating manner after the limiting clamping rod 14 is pulled out from the inside of the wall brace 5, and the brace 6 can easily slide up and down.
In this embodiment, preferably, the both side surfaces of the horizontal pull block 7 are symmetrically provided with the positioning blocks of the integrated type, and the front surface of the brace 6 is provided with two strip-shaped positioning grooves parallel to the positioning blocks, so that the operator can align the two positioning blocks with the strip-shaped positioning grooves to cause the spacing side block 23 to align with the side sliding groove 22, thereby facilitating the pulling of the rotatable pull rod 17.
In this embodiment, preferably, the rectangular inner sliding block 24 is disposed at the top end inside the rectangular inner sliding groove 13, the protruding block 4 is disposed on one side of the rectangular inner sliding block 24, the top end of the protruding block 4 is located at the outer side of the wall brace 5, the protruding block slideway 20 corresponding to the wall brace 5 is disposed on the side surface of the wall brace 5, the protruding block slideway 20 is communicated with the inside of the rectangular inner sliding groove 13, the top of the main stay bar 12 is rotatably connected with the diagonal draw bar 3 through the rotating shaft, and the top end of the diagonal draw bar 3 is rotatably connected with the top end of the protruding block 4 through the rotating shaft, so that the main stay bar 12 can be well supported under the action of the diagonal draw bar 3 without affecting the normal up-and.
In this embodiment, preferably, both ends of the wall brace 5 are provided with the L-shaped fixing plate 9 by welding, and the inside of the L-shaped fixing plate 9 is penetrated and provided with four reserved bolt holes, so that the L-shaped fixing plate 9 can be fixed on the surface of the outer wall by bolts.
The electric hoist main body 1 is PA 1000;
the working principle and the using process of the invention are as follows: when the electric hoist is used, firstly, two L-shaped fixing plates 9 at the end parts of the wall supporting columns 5 are fixed on an outer wall body through bolts, then, the electric hoist main body 1 is fixed at the end parts of the telescopic support rods 2 through the bolts, so that the telescopic support rods 2 can be installed, and the electric hoist main body 1 can be normally used;
when the height of the electric hoist body 1 needs to be adjusted in a lifting manner, the transverse pull block 7 is pulled by force, so that the inner base block 19 can be pulled to the other end of the base block groove 18, the pull plate 15 pulls the tension spring in the tension spring chamber 16, the top end of the limiting clamping rod 14 can be pulled out from the rectangular inner sliding groove 13 without limiting the brace 6, the limiting side block 23 on the surface of the rotatable pull rod 17 can be pulled out of the brace 6 through the side sliding groove 22, then the transverse pull block 7 is rotated, the rotatable pull rod 17 can be rotated on the surface of the inner base block 19, the limiting side block 23 is not aligned with the side sliding groove 22, the transverse pull block 7 is released, the rotatable pull rod 17 can be blocked by the limiting side block 23 and cannot be pulled back, and the limiting clamping rod 14 cannot be clamped into the rectangular inner sliding groove 13 again, at the moment, the brace 6 can directly slide up and down on the surface of the wall brace 5, the heights of the main brace 12, the telescopic brace 2 and the electric hoist main body 1 are adjusted to be lifted, after the proper height is adjusted, the transverse pull block 7 is rotated to enable the limiting side block 23 to be aligned with the side sliding groove 22, then the transverse pull block 7 is loosened to enable the tension spring in the tension spring chamber 16 to pull back the pull plate 15, the rotatable pull rod 17 is pulled back through the inner base block 19, the limiting side block 23 is pulled into the base block groove 18, at the moment, the brace 6 is pushed up and down in a small range to enable the top end of the limiting clamp rod 14 to be aligned with the adjusting clamp hole 8 closest to the top end of the limiting clamp rod, the brace 6 can be smoothly clamped into the rectangular inner sliding groove 13 through the adjusting clamp hole 8 to limit the brace 6 again, and the electric hoist main body 1 is limited after being adjusted in height and can be used normally, the height of the electric hoist main body 1 can be adjusted in a lifting way more conveniently;
when the length of the stay bar assembly needs to be adjusted, only the fixing bolt between the inner end block 26 and the main stay bar 12 needs to be detached, so that the inner end block 26 can slide in the bar groove 25, when the inner end block 26 moves towards the top end direction of the main stay bar 12, the length of the extending part of the telescopic stay bar 2 can be gradually extended, and when the inner end block 26 moves towards the bottom end direction of the main stay bar 12, the length of the extending part of the telescopic stay bar 2 can be gradually shortened, so that the length of the whole stay bar assembly is changed, after the length of the stay bar assembly is adjusted to a proper length, only the circular through hole 27 needs to be aligned with the nearest adjusting bolt hole 11, then the bolt penetrates through the main stay bar 12 and the inner end block 26 and is fixed by the nut, so that the telescopic stay bar 2 can be fixed, thereby the length adjustment of the stay bar assembly is completed, and the position of the electric hoist main body 1 in the horizontal, thereby bringing convenience to subsequent use and avoiding the problem of inconvenience to the subsequent use of the electric hoist main body 1 due to the over-short length of the stay bar component.
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 a lifting device for electric hoist, includes electric hoist main part (1), wall vaulting pole (5) and vaulting pole subassembly, the vaulting pole subassembly includes flexible vaulting pole (2) and main vaulting pole (12), and is provided with adjustable fixed establishment between flexible vaulting pole (2) and main vaulting pole (12), the top surface at flexible vaulting pole (2) is fixed in electric hoist main part (1), the surface cover of wall vaulting pole (5) is equipped with brace (6), and one side of brace (6) is equipped with side block (10) of integral type, the bottom and the side block (10) swivelling joint of main vaulting pole (12), its characterized in that: the wall bracing column is characterized in that a rectangular inner sliding groove (13) is formed in the wall bracing column (5), a base block groove (18) is formed in the bracing sleeve (6), an inner base block (19) is arranged in the base block groove (18), two tension spring chambers (16) are symmetrically formed in the bracing sleeve (6), the two tension spring chambers (16) are respectively located on two sides of the base block groove (18), a pull plate (15) is connected to the inner portion of each tension spring chamber (16), connecting blocks (21) are symmetrically arranged on two side surfaces of each inner base block (19), the top ends of the connecting blocks (21) are fixedly welded with the pull plate (15), strip-shaped sliding ways corresponding to the connecting blocks (21) are symmetrically formed in two sides of the base block groove (18), an integrated limiting clamping rod (14) is arranged on the top end of each inner base block (19), a plurality of adjusting clamping holes (8) matched with the limiting clamping rods (14) are uniformly formed in the front surface of the wall bracing column (5), and the top of spacing kelly (14) runs through to the inside of spout (13) in the rectangle, the front surface of brace cover (6) is provided with horizontal pull block (7), just the inboard of horizontal pull block (7) is fixed with rotatable pull rod (17), the top of rotatable pull rod (17) is located the inside in base block groove (18), and the top and interior base block (19) swivelling joint of rotatable pull rod (17).
2. A lifting device for electric hoists, according to claim 1, characterized in that: the adjustable fixing mechanism comprises a rod groove (25) formed in the main supporting rod (12), an integrated inner end block (26) is arranged at the bottom end of the telescopic supporting rod (2), the inner end block (26) is located in the rod groove (25), a circular through hole (27) penetrates through the inner end block (26), a plurality of adjusting bolt holes (11) corresponding to the circular through holes (27) are uniformly formed in the surfaces of the two sides of the main supporting rod (12), and the adjusting bolt holes (11) are communicated with the inside of the rod groove (25).
3. A lifting device for electric hoists, according to claim 1, characterized in that: the top of rotatable pull rod (17) is equipped with the rotatory piece of integral type, and the inside of interior base block (19) is seted up with the rotatory groove of rotatory piece looks adaptation, rotatory piece is in the inside of rotatory inslot.
4. A lifting device for electric hoists, according to claim 1, characterized in that: the pull hole matched with the rotatable pull rod (17) is formed in the front surface of the support sleeve (6), two limiting side blocks (23) are symmetrically arranged on the top end surface of the rotatable pull rod (17), and two side sliding grooves (22) corresponding to the limiting side blocks (23) are symmetrically formed in the two sides of the pull hole.
5. A lifting device for electric hoists, according to claim 1, characterized in that: the two side surfaces of the transverse pulling block (7) are symmetrically provided with integrated positioning blocks, and the front surface of the support sleeve (6) is provided with two strip-shaped positioning grooves parallel to the positioning blocks.
6. A lifting device for electric hoists, according to claim 1, characterized in that: the inside top of spout (13) is provided with slider (24) in the rectangle, one side of slider (24) is provided with lug (4) in the rectangle, and the top of lug (4) is located the outside of wall brace (5), the side of wall brace (5) is seted up and is propped corresponding lug slide (20) of post (5) with the wall, and inside communicating with each other of spout (13) in lug slide (20) and the rectangle, the top swivelling joint of main stay bar (12) has diagonal draw bar (3), just the top of diagonal draw bar (3) and the top swivelling joint of lug (4).
7. A lifting device for electric hoists, according to claim 1, characterized in that: the two ends of the wall bracing column (5) are provided with L-shaped fixing plates (9), and four reserved bolt holes are formed in the L-shaped fixing plates (9) in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911042115.6A CN110745712B (en) | 2019-10-30 | 2019-10-30 | Lifting device for electric hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911042115.6A CN110745712B (en) | 2019-10-30 | 2019-10-30 | Lifting device for electric hoist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110745712A true CN110745712A (en) | 2020-02-04 |
| CN110745712B CN110745712B (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911042115.6A Active CN110745712B (en) | 2019-10-30 | 2019-10-30 | Lifting device for electric hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110745712B (en) |
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| CN113944191A (en) * | 2021-10-25 | 2022-01-18 | 中国建筑第五工程局有限公司 | Adjustable equipment horizontal arm lever for pipe well construction and adjusting method thereof |
| CN114436005A (en) * | 2020-11-03 | 2022-05-06 | 湖南绿生永固新材料有限公司 | Novel mica tape is around rolling up device |
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| CN110745712B (en) | 2020-11-03 |
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