CN208776230U - A kind of large-tonnage mast hoist - Google Patents
A kind of large-tonnage mast hoist Download PDFInfo
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- CN208776230U CN208776230U CN201821465911.1U CN201821465911U CN208776230U CN 208776230 U CN208776230 U CN 208776230U CN 201821465911 U CN201821465911 U CN 201821465911U CN 208776230 U CN208776230 U CN 208776230U
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- hook
- tonnage
- rotary block
- beam arm
- suspension hook
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Abstract
The utility model provides a kind of large-tonnage mast hoist, it include: A-frame, beam arm, anti-squat system, pedestal and embedded part, power device, suspension hook, wherein, beam arm and pedestal and embedded part are hinged, power device includes electrical system, main hoisting mechanism, jib lubbing mechanism, auxiliary hoisting mechanism, hoist engine, anti-squat system is arranged on the side wall of A-frame, anti-squat system includes horizon bar, hound, the other end of horizon bar is provided with rotating mechanism, to make anti-squat system and cantilever crane be constantly in surface contact state.Compared with prior art, the utility model on A-frame by being arranged anti-squat system, by the way that rotary block and fixed stop is arranged in the horizon bar left end of anti-squat system, so that rotary block and cantilever crane are constantly in surface contact state, and high-strength spring is provided between rotary block and fixed stop, during pressure after rotary block, cushion effect can be provided.
Description
Technical field
The utility model relates to mechanical engineering technical fields, in particular to a kind of large-tonnage mast hoist.
Background technique
Currently, mast hoist is applied to each construction site, that there are quality is small for traditional old-fashioned gin pole,
Slow, the not congruent technical problem of protective device is run, inconvenience is brought to construction site, has seriously affected construction efficiency.
China Patent Publication No.: CN 206799021U discloses a kind of full circle swinging traveling derrick crane, comprising: under
Portion's running body；360 ° of upper rotation energy is pivotally equipped on lower running body；Boom, can be risen relative to upper rotation
The mode of volt is installed on upper rotation；Upper rotation includes upper body, right angle tripod, tail balancing weight and pivoting support；
The bottom end of the upper body is equipped with pivoting support；The top of upper body is vertically installed with the right angle tripod；It is described to get on the bus
Boom is also hinged on body；The boom is connect with right angle tripod by lifting amplitude-change mechanism；It is characterized by: the right angle
The limit assembly for preventing boom from toppling is provided on tripod.
It is very high to the installation requirement of horizon bar in limit assembly but in above-mentioned technical proposal, it is necessary to assure to pacify in diagonal brace
After the completion of dress, horizon bar is in true horizontal position, and otherwise boom and horizon bar collide every time is in line contact condition, for a long time
Collision be easy to cause boom to be broken, and influences the service life that mast is hung, while causing security risk.
Utility model content
In consideration of it, the utility model proposes a kind of large-tonnage mast hoists, it is intended to prior art center is solved, by
In limit assembly installation requirement height, lead to install not in place, easy the technical issues of influencing the service life that mast is hung.
On one side, the utility model proposes a kind of large-tonnage mast hoists, comprising: A-frame, beam arm, it is anti-after
Incline device, pedestal and embedded part, power device, suspension hook；
The beam arm and the pedestal and embedded part are hinged, and the beam arm can be rotated around the pedestal and embedded part；
The power device includes electrical system, main hoisting mechanism, jib lubbing mechanism, auxiliary hoisting mechanism, hoist engine, described dynamic
Power device is to go up and down the suspension hook；
The anti-squat system is arranged on the side wall of the A-frame, and the anti-squat system includes horizon bar, diagonal brace
Bar, for the horizon bar one end of which is fixed on the side wall of the A-frame, the other end of the horizon bar is provided with rotating mechanism,
The rotating mechanism can according to the gradient adjust automatically of the beam arm rotate angle so that the anti-squat system with it is described
Beam arm is constantly in surface contact state.
Further, the rotating mechanism includes rotary block, fixed stop, the rotary block and the fixed stop
On be provided with rectangular opening, the pin shaft is arranged in the rectangular opening, so that the rotary block and the fixed stop can
Rotation connection.
Further, the length of the rectangular opening is greater than the diameter of the pin shaft, and the pin shaft can be in the rectangular opening
Interior sliding.
Further, high-strength spring, the high intensity bullet are provided between the rotary block and the fixed stop
The fixing end of spring is fixedly connected with the fixed stop, and spherical sliding block is provided on the movable end of the high-strength spring, described
Sliding slot is provided on rotary block, the spherical sliding block is arranged in the sliding slot.
Further, the suspension hook includes main hook, auxiliary hook, rigging suspension hook；
The main hook is arranged two, and the main hook is connected by pulley blocks, main hoist rope with the main hoisting mechanism
It connects, the main hook is to lift by crane large and heavy objects；
The auxiliary hook is connected by pulley, secondary hoist rope with the auxiliary hoisting mechanism, and the auxiliary hook is to lift by crane
Medium-sized weight；
The rigging suspension hook is connected by pulley, rigging hoist rope with the hoist engine, and the rigging suspension hook is used
To lift by crane small article.
Further, anti-drop device is provided on the suspension hook, the anti-drop device includes being arranged in crotch side wall
On, and the first noumenon, the second ontology that can be rotated freely, the first noumenon and second body part overlapping, and be overlapped
Part passes through pin shaft grafting.
Further, the first noumenon is provided with concave inward structure, the indent knot close to one end of second ontology
Structure two sides are provided with through-hole, and second ontology is provided with outer male structure, the evagination close to one end of the first noumenon
Through-hole is provided in structure, pin shaft is threaded through in through-hole.
Further, pedestal and embedded part bottom end are provided with vertical plate, transverse slat, and the transverse slat is arranged two, and horizontally disposed,
In a transverse slat be embedded in underground, the vertical plate is vertically arranged multiple, and the both sides of the vertical plate are separately fixed at two institutes
It states on the opposite two sidewalls of transverse slat.
Compared with prior art, the utility model has the beneficial effects that:
Firstly, the utility model by the way that anti-squat system is arranged on A-frame, passes through the horizon bar in anti-squat system
Rotary block and fixed stop is arranged in left end, wherein rotary block can not only be rotated around fixed stop, moreover it is possible in fixed stop
Interior opposite sliding, when beam arm touches rotary block, rotary block can be according to the gradient adjust automatically rotation angle of beam arm
Degree, by the way that rotating mechanism is arranged, reduces the peace of anti-squat system so that rotary block and beam arm are constantly in surface contact state
Reload request, and will not be in line contact condition with beam arm, it is excessive to avoid beam arm local stress, causes the security risks such as fracture,
Further, high-strength spring is provided between rotary block and fixed stop, high-strength spring is slidably connected with rotary block,
When rotary block rotation, spring can be moved in the sliding slot of rotary block automatically, and after rotary block during pressure,
Cushion effect can be provided.
Secondly, the utility model passes through three groups of suspension hooks of setting, the respectively main hook of lifting large and heavy objects, the medium-sized weight of lifting
Auxiliary hook and lift by crane small article rigging suspension hook, in use, using different suspension hooks, can avoid according to actual needs
The case where small article can only be lifted by crane by main hook and auxiliary hook, saves the energy, reduces costs.
Then, the utility model is provided with anti-drop device on suspension hook, rotatable by being respectively set in suspension hook two sides
The first noumenon and the second ontology avoid unhook phenomenon in middle by pin shaft grafting, increase the safety of lifting process
Property.
Finally, vertical plate and transverse slat is arranged in the utility model below pedestal and embedded part, vertical plate and transverse slat are plate structure,
Wherein transverse slat is arranged two, and one of transverse slat is embedded in underground, the stability of pedestal and embedded part is increased, so that beam arm is not allowed
Easily topple over, and be provided with vertical plate between two transverse slats, vertical plate not only increases integrally-built stability, while there are also effectively anti-
Only beam arm swaying style.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is large-tonnage mast hoist overall structure diagram provided by the embodiment of the utility model；
Fig. 2 is bottom mechanism layout drawing provided by the embodiment of the utility model；
Fig. 3 is A-frame top pulleys distribution schematic diagram provided by the embodiment of the utility model；
Fig. 4 is that rigging provided by the embodiment of the utility model hangs wirerope-winding schematic diagram；
Fig. 5 is that secondary hoist rope provided by the embodiment of the utility model winds schematic diagram；
Fig. 6 is that main hoist rope provided by the embodiment of the utility model winds schematic diagram；
Fig. 7 is jib lubbing mechanism wirerope-winding schematic diagram provided by the embodiment of the utility model；
Fig. 8 is anti-squat system structural schematic diagram provided by the embodiment of the utility model；
Fig. 9 is the high intensity between the rotary block and fixed stop of anti-squat system provided by the embodiment of the utility model
The partial enlarged view of spring；
Figure 10 is that the amplification of rectangular opening and pin shaft on rotary block provided by the embodiment of the utility model and fixed stop is shown
It is intended to；
Figure 11 is the overall schematic of anti-drop device provided by the embodiment of the utility model；
Figure 12 is the structural schematic diagram of anti-drop device provided by the embodiment of the utility model；
Figure 13 is the structural schematic diagram of pedestal provided by the embodiment of the utility model and embedded part.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, the implementation in the utility model
Feature in example and embodiment can be combined with each other.It is below with reference to the accompanying drawings and in conjunction with the embodiments practical new this is described in detail
Type.
Refering to fig. 1 to Figure 13, as seen from the figure, the utility model proposes large-tonnage mast hoist include: A-frame
10, beam arm 9, anti-squat system 18, pedestal and embedded part 16, power device, suspension hook, wherein beam arm 9 and pedestal and embedded part 16 are cut with scissors
It connects, beam arm 9 can be rotated around pedestal and embedded part 16, and power device includes electrical system 1, main hoisting mechanism 2, jib lubbing mechanism 3, pair
The side wall of A-frame 10 is arranged in go up and down suspension hook, the anti-squat system 18 in lifting mechanism 4, hoist engine 5, power device
On, anti-squat system 18 includes horizon bar 181, hound 182, horizon bar 181 one end of which is fixed on the side wall of A-frame 10,
The other end of horizon bar 181 is provided with rotating mechanism, and rotating mechanism can be according to the gradient adjust automatically rotation angle of beam arm 9
Degree, so that anti-squat system 18 and beam arm 9 are constantly in surface contact state, in the present embodiment, by anti-squat system 18
181 left end of horizon bar setting rotary block 183 and fixed stop 187, wherein rotary block 183 can not only be kept off around fixed
Block 187 rotates, moreover it is possible to the opposite sliding in fixed stop 187, when beam arm 9 touches rotary block 183, and rotary block 183
Angle can be rotated according to the gradient adjust automatically of beam arm 9, so that rotary block 183 and beam arm 9 are constantly in face contact shape
State reduces the installation requirement of anti-squat system, and will not be in line contact condition with beam arm 9, keeps away by the way that rotating mechanism is arranged
It is excessive to have exempted from beam arm local stress, the security risks such as fracture have been caused, further, between rotary block 183 and fixed stop 187
It is provided with high-strength spring 186, high-strength spring 186 is slidably connected with rotary block 183, high when rotary block 183 rotates
Intensity spring 186 can be moved in the sliding slot of rotary block automatically, and after rotary block 183 during pressure, Ke Yiti
For cushion effect.
Refering to Fig. 8, Fig. 9 and Figure 10, anti-squat system 18 includes horizon bar 181 and hound 182, wherein horizon bar
181 right ends are horizontally fixed on the side wall of A-frame 10, and hound 182 is obliquely installed, and one end is fixed with 181 side wall of horizon bar
Connection, the other end are fixedly connected with the side wall of A-frame 10, and horizon bar 181, hound 182, A-frame 10 form three-legged structure,
To increase 18 overall stability of anti-squat system, the left end of horizon bar 181 is provided with rotating mechanism, and rotating mechanism includes rotation
Turn block 183, fixed stop 187, the left end setting of fixed stop 187 is fluted, and rotary block 183 is arranged in fixed stop
In 187, it is provided with rectangular opening 185 on fixed stop 187, through-hole is provided on rotary block 183, pin shaft 184 is threaded through logical
In hole and rectangular opening 185, the length of rectangular opening 185 is greater than the diameter of pin shaft 184, and pin shaft 184 can be slided in rectangular opening 185
It is dynamic, high-strength spring 186, the fixing end 1862 of high-strength spring are provided between 183 right end of rotary block and fixed stop 187
It is fixedly connected with fixed stop 187, spherical sliding block is provided on the movable end 1861 of high-strength spring, is set on rotary block 183
It is equipped with sliding slot 1831, the spherical sliding block is arranged in the sliding slot 1831.
In the present embodiment, suspension hook includes main hook 8, auxiliary hook 7, rigging suspension hook 6, and main hook 8 is arranged two, and main hook passes through pulley
Group, main hoist rope 12 are connected with main hoisting mechanism 2, and specific wirerope coiling is as shown in fig. 6, main hook 8 is big to lift by crane
Type weight, auxiliary hook 7 are connected by pulley, secondary hoist rope 14 with auxiliary hoisting mechanism 4, specific wirerope coiling such as Fig. 5 institute
Showing, auxiliary hook 7 is connected by pulley, rigging hoist rope 15 with the hoist engine 5 to lift by crane medium-sized weight, rigging suspension hook 6,
Specific wirerope coiling is connect as shown in figure 4, rigging suspension hook 6 is to lift by crane small article, the present embodiment is large-scale by setting lifting
The main hook 8 of weight, the auxiliary hook 7 of the medium-sized weight of lifting and the rigging suspension hook 6 for lifting by crane small article, in use, can be according to reality
Border demand is avoided the case where small article can only be lifted by crane by main hook 8 and auxiliary hook 7, is saved energy using different suspension hooks
Source reduces costs.
1 and Figure 12 refering to fig. 1, anti-drop device 25 is provided on suspension hook, and anti-drop device 25 includes being arranged in crotch side
On wall, the first noumenon 251, the second ontology 252 that can be rotated freely, the first noumenon 251 and the second ontology 252 partly overlap, and
Lap is by pin shaft grafting, specifically, the first noumenon 251 is provided with concave inward structure by stating one end of the second ontology 252
2511,2511 two sides of concave inward structure are provided with through-hole, and the second ontology 252 is provided with close to one end of the first noumenon 251
Outer male structure 2521 is provided with through-hole in outer male structure 2521, and pin shaft is threaded through in through-hole.By the way that anti-drop device 25 is arranged,
It can effectively prevent unhook.
Refering to fig. 13, pedestal and 16 bottom end of embedded part are provided with vertical plate 161, transverse slat 162, and transverse slat 162 is arranged two, and horizontal
Setting, one of transverse slat 162 are embedded in underground, and vertical plate 161 is vertically arranged multiple, and the both sides of vertical plate 161 are separately fixed at two
On the opposite two sidewalls of a transverse slat 162, when it is implemented, can be bolted or by welding, in the present embodiment
In, vertical plate 161 and transverse slat 162 are plate structure, make beam arm be not easy to topple over by the way that transverse slat 162 is arranged, and two transverse slats
Vertical plate 161 is provided between 162, vertical plate 161 not only increases integrally-built stability, while also effectivelying prevent beam arm left
Right deviation is fallen.
In the present embodiment, it is additionally provided with landing on A-frame 10, temporarily to climb, the lower left of A-frame 10
It is provided with drivers' cab and platform.It is provided with electrical house and computer room below A-frame 10, electrical system 1, machine are provided in electrical house
Main hoisting mechanism 2, jib lubbing mechanism 3, auxiliary hoisting mechanism 4, hoist engine 5 are provided in room.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (8)
1. a kind of large-tonnage mast hoist characterized by comprising A-frame (10), beam arm (9), anti-squat system
(18), pedestal and embedded part (16), power device, suspension hook；
Hingedly, the beam arm (9) can revolve around the pedestal and embedded part (16) for the beam arm (9) and the pedestal and embedded part (16)
Turn；
The power device includes electrical system (1), main hoisting mechanism (2), jib lubbing mechanism (3), auxiliary hoisting mechanism (4), elevator
Machine (5), the power device is to go up and down the suspension hook；
The anti-squat system (18) is arranged on the side wall of the A-frame (10), and the anti-squat system (18) includes level
Bar (181), hound (182), the horizon bar (181) is one end of which is fixed on the side wall of the A-frame (10), the water
The other end of flat bar (181) is provided with rotating mechanism, and the rotating mechanism can be adjusted automatically according to the gradient of the beam arm (9)
Whole rotation angle, so that the anti-squat system (18) and the beam arm (9) are constantly in surface contact state.
2. large-tonnage mast hoist according to claim 1, which is characterized in that the rotating mechanism includes rotation gear
Rectangular opening is provided on block (183), fixed stop (187), the rotary block (183) and the fixed stop (187)
(185), pin shaft (184) setting is in the rectangular opening (185), so that the rotary block (183) and the fixed stop
(187) it is rotatably connected.
3. large-tonnage mast hoist according to claim 2, which is characterized in that the length of the rectangular opening (185)
Greater than the diameter of the pin shaft (184), the pin shaft (184) being capable of the sliding in the rectangular opening (185).
4. large-tonnage mast hoist according to claim 3, which is characterized in that the rotary block (183) and institute
State and be provided between fixed stop (187) high-strength spring (186), the fixing end (1862) of the high-strength spring with it is described solid
Determine block (187) to be fixedly connected, is provided with spherical sliding block, the rotary block on the movable end (1861) of the high-strength spring
(183) it is provided on sliding slot (1831), the spherical sliding block setting is in the sliding slot (1831).
5. large-tonnage mast hoist according to claim 1, which is characterized in that the suspension hook includes main hook (8), pair
Hook (7), rigging suspension hook (6)；
The main hook (8) is arranged two, and the main hook (8) passes through pulley blocks, main hoist rope (12) and the main lifting machine
Structure (2) is connected, and the main hook (8) is to lift by crane large and heavy objects；
The auxiliary hook (7) is connected by pulley, secondary hoist rope (14) with the auxiliary hoisting mechanism (4), the auxiliary hook (7)
To lift by crane medium-sized weight；
The rigging suspension hook (6) is connected by pulley, rigging hoist rope (15) with the hoist engine (5), the rigging
Suspension hook (6) is to lift by crane small article.
6. large-tonnage mast hoist according to claim 5, which is characterized in that be provided with anti-dropout on the suspension hook
Device (25), the anti-drop device (25) include be arranged on crotch side wall, and can rotate freely the first noumenon (251),
Second ontology (252), the first noumenon (251) and second ontology (252) partly overlap, and lap passes through pin shaft
Grafting.
7. large-tonnage mast hoist according to claim 6, which is characterized in that the first noumenon (251) is close
One end of second ontology (252) is provided with concave inward structure (2511), and concave inward structure (2511) two sides are provided with logical
Hole, second ontology (252) are provided with outer male structure (2521), the evagination close to the one end of the first noumenon (251)
Structure is provided with through-hole on (2521), and pin shaft is threaded through in through-hole.
8. large-tonnage mast hoist according to claim 1, which is characterized in that pedestal and the setting of embedded part (16) bottom end
There are vertical plate (161), transverse slat (162), the transverse slat (162) is arranged two, and horizontally disposed, one of them described transverse slat (162)
It is embedded in underground, the vertical plate (161) is vertically arranged multiple, and the both sides of the vertical plate (161) are separately fixed at two cross
On the opposite two sidewalls of plate (162).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821465911.1U CN208776230U (en) | 2018-09-07 | 2018-09-07 | A kind of large-tonnage mast hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821465911.1U CN208776230U (en) | 2018-09-07 | 2018-09-07 | A kind of large-tonnage mast hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208776230U true CN208776230U (en) | 2019-04-23 |
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ID=66160204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821465911.1U Active CN208776230U (en) | 2018-09-07 | 2018-09-07 | A kind of large-tonnage mast hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208776230U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921528A (en) * | 2019-10-15 | 2020-03-27 | 武汉船用机械有限责任公司 | Deflection adjusting method for lifting hook group of marine deck crane |
| CN112320621A (en) * | 2020-11-19 | 2021-02-05 | 江阴市澄江船舶设备配件有限公司 | Suspension arm anti-drop device for rotary crane |
-
2018
- 2018-09-07 CN CN201821465911.1U patent/CN208776230U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110921528A (en) * | 2019-10-15 | 2020-03-27 | 武汉船用机械有限责任公司 | Deflection adjusting method for lifting hook group of marine deck crane |
| CN112320621A (en) * | 2020-11-19 | 2021-02-05 | 江阴市澄江船舶设备配件有限公司 | Suspension arm anti-drop device for rotary crane |
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