CN207844931U - A kind of tower crane counter-jib protection device for installing - Google Patents
A kind of tower crane counter-jib protection device for installing Download PDFInfo
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- CN207844931U CN207844931U CN201721899983.2U CN201721899983U CN207844931U CN 207844931 U CN207844931 U CN 207844931U CN 201721899983 U CN201721899983 U CN 201721899983U CN 207844931 U CN207844931 U CN 207844931U
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- tower crane
- jib
- drawstring
- hole
- arm body
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Abstract
The utility model discloses a kind of tower crane counter-jib protection device for installing, including tower crane ontology, the bottom end side of tower crane ontology is welded with bottom plate, the top of bottom plate is welded with hoist engine, two first drawstrings and two second drawstrings are wrapped on hoist engine respectively, the top of tower crane ontology is welded with the fixed ring of array distribution, the side of tower crane ontology is equipped with balance arm body, the other end of first drawstring and the second drawstring bypasses corresponding fixed ring bolt knot on the both ends of the both sides side wall of balance arm body respectively, and first drawstring and the second drawstring be located at the both sides of balance arm body, the top both sides bolt of balance arm body has the lifting rope on truck crane.The present apparatus is simple in structure, novel in design, prevents truck crane from going wrong counter-jib the phenomenon that falling, while also can be good at protecting installation personnel, prevent it injured or dropping, highly practical.
Description
Technical field
The utility model is related to tower crane counter-jib installation protection technology fields more particularly to a kind of installation of tower crane counter-jib to protect
Protection unit.
Background technology
Tower crane is a kind of most common lifting equipment also known as " derrick crane " on construction site, is connect with a section
It is long, for hanging the raw material of the constructions such as working reinforcing bar, wood stupefied, concrete, steel pipe.Tower crane is a kind of essential on building site
Equipment.
Present tower crane often uses truck crane that counter-jib is lifted installation when installing counter-jib, and tower crane peace is torn open
Axis pin and tower crane are fixed on the counter-jib of personnel station, once truck crane goes wrong, installed at the operating personnel of counter-jib
It is serious to also result in the phenomenon that counter-jib falls in prodigious danger, it is existing in counter-jib installation process not yet
A kind of preferable protective device for being used for installation personnel, when truck crane when something goes wrong, the transience displacement that counter-jib generates, meeting
Make installation personnel crank, it is serious it also occur that installation personnel drops counter-jib to the phenomenon that damaging, tumble injury occur
The phenomenon that, thus it is proposed that a kind of tower crane counter-jib protection device for installing.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of tower crane counter-jib proposed
Protection device for installing.
To achieve the goals above, the utility model uses following technical solution：
The bottom end side of a kind of tower crane counter-jib protection device for installing, including tower crane ontology, tower crane ontology is welded with bottom plate,
The top of bottom plate is welded with hoist engine, is wrapped with two first drawstrings and two second drawstrings, tower crane ontology on hoist engine respectively
Top be welded with the fixed ring of array distribution, the side of tower crane ontology is equipped with balance arm body, the first drawstring and the second drawstring
The other end bypass corresponding fixed ring bolt knot respectively on the both ends of the both sides side wall of balance arm body, and the first drawstring and the
Two drawstrings are located at the both sides of balance arm body, and the top both sides bolt for balancing arm body has the lifting rope on truck crane,
Balance arm body is fixed with the front apron being vertically arranged, rear baffle and two blocks of side plates close to one end top of tower crane ontology, balances
The top both sides of arm body are equipped with protective fence, and two blocks of side plates are bolted on protective fence, and front apron, rear baffle and two
Block side plate, which mutually surrounds, forms a rectangular channel, and installation is connected on the side side wall of front apron, rear baffle and two blocks of side plates
Plate is respectively and fixedly provided with sponge plate on the side side wall of mounting plate, and the front apron and a side plate are hinged, the top side of front apron
Equipped with projection, projection and the top of another side plate are slidably connected, and the top of projection is equipped with bolt, and projection is fixed by bolt
On side plate.
Preferably, equally distributed first through hole is offered on the side wall of the front apron, rear baffle and two blocks of side plates
With the second through-hole, and first through hole and the second through-hole are vertically arranged and are interconnected, and gag lever post, gag lever post are equipped in first through hole
On be socketed with spring, one end of spring is connected on gag lever post, and the other end of spring is connected on the side wall of first through hole, installation
Equally distributed mounting rod is respectively and fixedly provided on the side wall of plate, mounting rod is connected in the second through-hole, is opened on the side wall of mounting rod
Equipped with bayonet, one end of gag lever post is connected in buckle.
Preferably, one end of the gag lever post is equipped with limited block, and side of the limited block far from gag lever post is equipped with draw ring.
Preferably, first drawstring and the second drawstring are steel wire rope.
Preferably, third through-hole is offered in the projection, the top of side plate offers jack, and bolt is connected to third
In through-hole and jack.
Advantageous effect in the utility model：
1, the utility model passes through hoist engine, tower crane ontology, fixed ring, the first drawstring, the second drawstring and balance arm body
Setting, counter-jib by truck crane when being installed, adjusting the first drawstring and the second drawstring by hoist engine will balance
Arm is held, and prevents truck crane from preventing counter-jib from falling when something goes wrong, and prevent installation personnel when counter-jib is out of control
Shield, preferably protects installation personnel and equipment.
2, pass through protective fence, lifting rope, balance arm body, side plate, bolt, projection, front apron, rear baffle, mounting rod, bullet
The setting of spring, gag lever post, mounting plate and sponge plate, truck crane go wrong cause counter-jib out of control when, prevent installation personnel
Because crank is fallen down, situation on protective fence and injured is collided, further installation personnel is protected, and sponge plate
Replacement easy to disassemble saves time and manpower, and the present apparatus is simple in structure, novel in design, prevents truck crane from going wrong balance
The phenomenon that arm falls, while also can be good at protecting installation personnel, prevent it injured or dropping, it is highly practical.
Description of the drawings
Fig. 1 be the utility model proposes a kind of tower crane counter-jib protection device for installing mounting structure front view；
Fig. 2 be the utility model proposes a kind of tower crane counter-jib protection device for installing partial structurtes enlarged drawing；
Fig. 3 be the utility model proposes a kind of tower crane counter-jib protection device for installing partial structurtes top plan view.
In figure：It is 1 hoist engine, 2 tower crane ontologies, 3 fixed rings, 4 first drawstrings, 5 second drawstrings, 6 protective fences, 7 lifting ropes, 8 flat
Weigh arm body, 9 side plates, 10 bolts, 11 projections, 12 front aprons, 13 rear baffles, 14 mounting rods, 15 springs, 16 gag lever posts, 17 peaces
Loading board, 18 sponge plates.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of tower crane counter-jib protection device for installing, including tower crane ontology 2, the bottom end one of tower crane ontology 2
Side is welded with bottom plate, and the top of bottom plate is welded with hoist engine 1, is wrapped with two first drawstrings 4 and two on hoist engine 1 respectively
The top of two drawstrings 5, tower crane ontology 2 is welded with the fixed ring 3 of array distribution, and the side of tower crane ontology 2 is equipped with balance arm body
8, the other end of the first drawstring 4 and the second drawstring 5 bypasses 3 bolt knot of corresponding fixed ring in the both sides side of balance arm body 8 respectively
On the both ends of wall, and the first drawstring 4 and the second drawstring 5 are located at the both sides of balance arm body 8, balance the top of arm body 8
Both sides bolt has the lifting rope 7 on truck crane, and balance arm body 8 is fixed with close to one end top of tower crane ontology 2 to be set vertically
The top both sides of front apron 12, rear baffle 13 and the two blocks of side plates 9 set, balance arm body 8 are equipped with protective fence 6, and two blocks of side plates 9 are logical
It crosses bolt to be fixed on protective fence 6, and front apron 12, rear baffle 13 and two blocks of side plates 9 are mutually around one rectangular channel of formation, it is preceding
It is connected with mounting plate 17 on the side side wall of baffle 12, rear baffle 13 and two blocks of side plates 9, on the side side wall of mounting plate 17
Be fixed with sponge plate 18, front apron 12 and a side plate 9 are hinged, and the top side of front apron 12 is equipped with projection 11, projection 11 with
The top of another side plate 9 is slidably connected, and the top of projection 11 is equipped with bolt 10, and projection 11 is fixed on side plate by bolt 10
On 9, equally distributed first through hole and the second through-hole are offered on the side wall of front apron 12, rear baffle 13 and two blocks of side plates 9,
And first through hole and the second through-hole are vertically arranged and are interconnected, and gag lever post 16 is equipped in first through hole, is socketed on gag lever post 16
There are spring 15, one end of spring 15 to be connected on gag lever post 16, the other end of spring 15 is connected on the side wall of first through hole, peace
Equally distributed mounting rod 14 is respectively and fixedly provided on the side wall of loading board 17, mounting rod 14 is connected in the second through-hole, mounting rod 14
Bayonet is offered on side wall, one end of gag lever post 16 is connected in buckle, and one end of gag lever post 16 is equipped with limited block, limit
Side of the block far from gag lever post 16 is equipped with draw ring, and the first drawstring 4 and the second drawstring 5 are steel wire rope, are opened up in projection 11
There are third through-hole, the top of side plate 9 to offer jack, bolt 10 is connected in third through-hole and jack.
Operation principle：When the utility model is used, being hung to first by the lifting rope 7 on truck crane by arm body 8 is balanced
First drawstring 4 and the second drawstring 5 are divided before balance arm body 8 is sling and are fixed on balance wall by designated mounting position first
The both sides of ontology 8,1 cooperating of hoist engine while lifting, the first drawstring 4 and the second drawstring 5 are tensed, when balance arm body
8 when being hung to designated mounting position, and the first drawstring 4 and the second drawstring 5 can also tense simultaneously, prevent accident, and counter-jib is out of control,
Then installation exercise is carried out by installation personnel, when being installed, installation personnel is climbed first to balance arm body 8, then
Installation personnel pulls up bolt 10 first, and front apron 12 is opened, and installation personnel enters installation site, and front apron 12 is closed and incited somebody to action
Bolt 10 is inserted into designated position, when truck crane goes wrong, and balance arm body 8 is caused to shake, the sponge plate around installation personnel
18 can protect installation personnel, while the bottom surface of installation site is also equipped with foam-rubber cushion, place installation personnel and fall and hurt,
The sponge plate 18 that front apron 12, rear baffle 13 and two side plates 9 are equipped with simultaneously is installed on mounting plate 17, and mounting plate 17 is just
In dismounting, draw ring is pulled in dismounting so that gag lever post 16 unclamps, then successively by front apron 12, rear baffle 13 and two sides
Mounting plate 17 on plate 9 disassembles, and is then replaced to sponge plate 18, by the mounting rod 14 on mounting plate 17 after more finishing changing
It is inserted into corresponding mounting hole, the present apparatus is simple in structure, novel in design, prevents truck crane from going wrong what counter-jib fell
Phenomenon, while also can be good at protecting installation personnel, prevent it injured or dropping, it is highly practical.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of tower crane counter-jib protection device for installing, including tower crane ontology（2）, which is characterized in that the tower crane ontology（2）'s
Bottom end side is welded with bottom plate, and the top of bottom plate is welded with hoist engine（1）, hoist engine（1）It is upper to be wrapped with two first drawings respectively
Rope（4）With two second drawstrings（5）, tower crane ontology（2）Top be welded with the fixed ring of array distribution（3）, tower crane ontology（2）
Side be equipped with balance arm body（8）, the first drawstring（4）With the second drawstring（5）The other end respectively bypass corresponding fixed ring
（3）Bolt knot is in balance arm body（8）Both sides side wall both ends on, and the first drawstring（4）With the second drawstring（5）It is located at flat
Weigh arm body（8）Both sides, balance arm body（8）Top both sides bolt have the lifting rope on truck crane（7）, counter-jib sheet
Body（8）Close to tower crane ontology（2）One end top be fixed with the front apron being vertically arranged（12）, rear baffle（13）With two blocks of side plates
（9）, balance arm body（8）Top both sides be equipped with protective fence（6）, two blocks of side plates（9）It is bolted on protective fence（6）
On, and front apron（12）, rear baffle（13）With two blocks of side plates（9）Mutually around one rectangular channel of formation, front apron（12）, rear gear
Plate（13）With two blocks of side plates（9）Side side wall on be connected with mounting plate（17）, mounting plate（17）Side side wall on it is solid
Surely there is sponge plate（18）, the front apron（12）With a side plate（9）It is hinged, front apron（12）Top side be equipped with projection
（11）, projection（11）With another side plate（9）Top be slidably connected, and projection（11）Top be equipped with bolt（10）, projection
（11）Pass through bolt（10）It is fixed on side plate（9）On.
2. a kind of tower crane counter-jib protection device for installing according to claim 1, which is characterized in that the front apron
（12）, rear baffle（13）With two blocks of side plates（9）Side wall on offer equally distributed first through hole and the second through-hole, and
One through-hole and the second through-hole are vertically arranged and are interconnected, and gag lever post is equipped in first through hole（16）, gag lever post（16）Upper socket
There is spring（15）, spring（15）One end be connected to gag lever post（16）On, spring（15）The other end be connected to first through hole
On side wall, mounting plate（17）Side wall on be respectively and fixedly provided with equally distributed mounting rod（14）, mounting rod（14）It is logical to be connected to second
In hole, mounting rod（14）Side wall on offer bayonet, gag lever post（16）One end be connected in buckle.
3. a kind of tower crane counter-jib protection device for installing according to claim 2, which is characterized in that the gag lever post（16）
One end be equipped with limited block, limited block is far from gag lever post（16）Side be equipped with draw ring.
4. a kind of tower crane counter-jib protection device for installing according to claim 1, which is characterized in that first drawstring
（4）With the second drawstring（5）It is steel wire rope.
5. a kind of tower crane counter-jib protection device for installing according to claim 1, which is characterized in that the projection（11）On
Offer third through-hole, side plate（9）Top offer jack, bolt（10）It is connected in third through-hole and jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899983.2U CN207844931U (en) | 2017-12-29 | 2017-12-29 | A kind of tower crane counter-jib protection device for installing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721899983.2U CN207844931U (en) | 2017-12-29 | 2017-12-29 | A kind of tower crane counter-jib protection device for installing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207844931U true CN207844931U (en) | 2018-09-11 |
Family
ID=63420005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721899983.2U Active CN207844931U (en) | 2017-12-29 | 2017-12-29 | A kind of tower crane counter-jib protection device for installing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207844931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374391A (en) * | 2020-11-30 | 2021-02-19 | 常德市振东机械有限公司 | Tower crane is with balance arm protection device of being convenient for installation change |
-
2017
- 2017-12-29 CN CN201721899983.2U patent/CN207844931U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374391A (en) * | 2020-11-30 | 2021-02-19 | 常德市振东机械有限公司 | Tower crane is with balance arm protection device of being convenient for installation change |
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