CN205170212U - Semi -portal crane - Google Patents
Semi -portal crane Download PDFInfo
- Publication number
- CN205170212U CN205170212U CN201521008070.8U CN201521008070U CN205170212U CN 205170212 U CN205170212 U CN 205170212U CN 201521008070 U CN201521008070 U CN 201521008070U CN 205170212 U CN205170212 U CN 205170212U
- Authority
- CN
- China
- Prior art keywords
- inspection platform
- semi
- supporting leg
- slide unit
- platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control And Safety Of Cranes (AREA)
Abstract
The utility model discloses a semi -portal crane, including girder, bottom end transverse member and landing leg, the landing leg is equipped with two, all is equipped with the maintenance platform on two landing legs, and two maintenance platforms are sliding connection with two landing legs respectively, all is equipped with in two landing legs to be used for control to overhaul the lifting devices that the platform goes up and down, all is equipped with in two landing legs to be used for control to overhaul the synchronous balance mechanism of platform. Two lifting devices all include pneumatic cylinder, chain, hydraulic hose and slip table, and two lifting devices pass through hydraulic hose and connect, and pneumatic cylinder and slip table pass through the chain to be connected, and slip table and landing leg are sliding connection, and the slip table is connected with the maintenance platform, and balance mechanism includes steel cable and pulley, and the steel cable is equipped with two, two slip tables of rope connection. Be equipped with safety mechanism on the slip table. The problem of general hoist overhaul that the platform is unable steady to go up and down in step, the security performance is not high is solved, the utility model provides an it is steady to go up and down, and ability hold in balance, a semi -portal crane who has outstanding security performance.
Description
Technical field
The utility model relates to a kind of hoisting crane, and more particularly, it relates to a kind of semi-goliath crane.
Background technology
Hoisting crane refers to many actions elevator machinery of vertical-lift within the specific limits and horizontal carrying heavy goods, also known as crane.Wherein, transfer crane is the one distortion of crane in bridge type, is gauntry crane again, is mainly used in the handling labor of outdoor goods yard, stock ground goods, bulk goods.Its metal construction, as door-shaped frame, is installed two legs under support main beam, can directly be walked on the track on ground.
The major part of hoisting crane is hoist ceiling crane, be connected with girder, and the actuating device of hoisting crane is all arranged on girder, so often after hoisting crane creates fault, general is all that hoist ceiling crane or actuating device create problem, at this moment staff is just needed to carry out aloft work, present semi-goliath crane, because its two legs are that "eight" shape supports, for up-narrow and down-wide structure, on supporting leg, inspection platform can only be set respectively, utilize lifting mechanism to control inspection platform to rise and decline, because inspection platform is arranged in two supporting legs, so general lifting mechanism can not ensure that inspection platform keeps synchronism in uphill process, because staff needs to carry out aloft work on inspection platform, so the insurance safety device on inspection platform seems particularly important, general device uses mechanical self-locking device to protect usually, but such safety performance is lower, still there is potential safety hazard.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of lifting steadily, and can keep a kind of semi-goliath crane of simultaneous equation.
For achieving the above object, the utility model provides following technical scheme: a kind of semi-goliath crane, comprise girder, bottom end rail and supporting leg, described supporting leg is fixedly connected with girder, supporting leg is provided with two, described supporting leg is equipped with inspection platform, described inspection platform is sliding block joint with supporting leg respectively, the lifting device for controlling inspection platform lifting is equipped with in described supporting leg, described supporting leg is provided with and keeps conplane equalizing gear for controlling two inspection platforms, and described equalizing gear is connected with both sides lifting device.
By adopting technique scheme, the equalizing gear being provided with the lifting device for controlling inspection platform lifting in described supporting leg and keeping inspection platform synchronous, can make inspection platform in the process of lifting, held stationary, and synchronism, due to two supporting legs having installed inspection platform respectively, guarantee two inspection platforms are necessarily needed to be positioned at same plane at uphill process, the safety of such guarantee staff, only have and keep balance, when inspection platform just can be made to rise to proper height, same plane can be positioned at, thus successfully can carry out aloft work.
The utility model is set to further: described lifting device comprises hydraulic actuating cylinder and slide unit, and described Driven by Hydraulic Cylinder slide unit lifting, described slide unit is connected with inspection platform.
By adopting technique scheme, described lifting device comprises hydraulic actuating cylinder and slide unit, this programme utilizes hydraulic actuating cylinder to drive slide unit, using hydraulic actuating cylinder as power original paper, the lifting of inspection platform can be made more steady, and slide unit and supporting leg are sliding block joint, make slide unit under the driving of hydraulic actuating cylinder, can be elevated on supporting leg, and inspection platform is connected on slide unit, thus finally realize the lifting of inspection platform.
The utility model is set to further: described lifting device also comprises hydralic hose, and described two lifting devices are connected by hydralic hose.
By adopting technique scheme, using hydralic hose to be connected by two lifting devices, thus the synchronism keeping two inspection platforms in lifting process can be ensured.
The utility model is set to further: described equalizing gear comprises steel cable and pulley, and pulley walked around by described steel cable, and described steel cable connects two slide units.
By adopting technique scheme, have employed the equalizing gear that steel rope is used as whole lifting process, what adopt is install two secondary symmetrical steel ropes in single leg, but the trend of the steel rope inside this single leg is but two contrary directions, can the slide unit of the right and left be made in the process risen to keep balance by the tension force changing steel rope, keep the uniform tension in order of steel rope, maintenance balance that so just can be real.
The utility model is set to further: described slide unit is provided with safety mechanism, and described safety mechanism comprises the tooth bar and mechanical lock that are meshed, and described tooth bar is fixedly installed in supporting leg inwall, and described mechanical lock is fixedly connected with slide unit.
By adopting technique scheme, serration tooth bar is arranged on leg inwall, and tooth bar maintains static, the mechanical lock be arranged on slide unit then moves up and down with slide unit, a spring is connected with in mechanical lock one end, mechanical lock engages with serration tooth bar due to the effect of spring force always, when rising to certain altitude, due to engagement, slide unit can be made automatically to decline, if declined, starter motor promotes load, pressure oil enters in mechanical lock hydraulic cylinder, the pressure of oil pressure counter spring, driven plunger moves, mechanical lock is opened, now inspection platform just can freely rise or decline.
The utility model is set to further: described inspection platform is provided with connecting panel, and described connecting panel and inspection platform are in being rotationally connected.
By adopting technique scheme, inspection platform being provided with connecting panel, the space formed between supporting leg can being made full use of and remove the smooth safe inspection platform of structure one, large without the need to arranging volume, and affect the inspection platform of service clearance.Inspection platform and connecting panel are set to be rotationally connected, connecting panel and inspection platform are first fastened, etc. when rising to suitable height, turning cylinder is utilized to be turned down by connecting panel, two inspection platforms are connected, thus a smooth and inspection platform coupled together can be built, enable the inspection platform be originally separated utilize connecting panel to merge, have higher security setting.
The utility model is set to further: described inspection platform is provided with guardrail, and described guardrail and inspection platform are sliding block joint.
By adopting technique scheme, inspection platform is provided with guardrail, and guide rail is provided with on inspection platform, guardrail is moved in guide rail, thus can ensure can come in and go out when staff on the ground, and behind high-altitude, can protective action be played, thus ensure that the safety of aloft work.
The utility model is set to further: the side surface that described inspection platform deviates from girder is provided with structural reinforcement.
By adopting technique scheme, being provided with structural reinforcement at the lower surface of inspection platform, enabling inspection platform have higher intensity, thus reinforcing security energy.
Accompanying drawing explanation
Fig. 1 is the structure side view of a kind of semi-goliath crane of the utility model;
Fig. 2 is the I portion enlarged drawing of Fig. 1;
Fig. 3 is the equalizing gear schematic diagram of a kind of semi-goliath crane of the utility model;
Fig. 4 is safety mechanism's schematic diagram of a kind of semi-goliath crane of the utility model.
Reference numeral: 1, girder; 2, bottom end rail; 3, supporting leg; 4, inspection platform; 5, lifting device; 51, chain; 52, hydraulic actuating cylinder; 53, slide unit; 54, hydralic hose; 6, equalizing gear; 61, pulley; 62, steel cable; 7, connecting panel; 8, guardrail; 9, structural reinforcement; 10, safety mechanism; 101, tooth bar; 102, mechanical lock; 103, spring.
Detailed description of the invention
With reference to shown in Fig. 1, a kind of semi-goliath crane, comprise girder 1, bottom end rail 2 and supporting leg 3, girder 1 is an i-shaped roof beam, in being horizontally disposed with, one of them walking end is located on house beam, the other end is fixedly connected with two supporting legs 3, article two, supporting leg 3 and girder 1 are vertical setting, article two, supporting leg 3 cross section is that "eight" shape is arranged, for support girder 1, and two supporting leg 3 lower ends are arranged on bottom end rail 2, bottom end rail 2 and girder 1 are vertical setting, parallel to the ground, and be provided with road wheel at bottom end rail 2 lower surface, bearing fit is formed with the walking track on place, make semi-goliath crane can carry out the movement in a direction, motor is provided with in addition on girder 1, pass through motor, be connected with electric block, motor and girder 1 are in bearing fit, electric block is moved along the axial direction of girder 1, and electric block is by steel cable 62, utilize the driving of motor, the movement of electric block at vertical direction can be realized.Above-mentioned setting, makes hoisting crane achieve the movement in three directions, thus can carry out the carrying of different demand to goods.
This utility model is all provided with inspection platform 44 respectively on two supporting legs 3, and inspection platform 4 is a block length square plate, and is provided with strength beam under platform, makes platform ensure better intensity, thus improves safety performance.Article two, supporting leg 3 is all provided with inspection platform 4, and keep inspection platform 4 to be in same plane, and on inspection platform 4, be all provided with groove, and one end of an inspection platform 4 is provided with turning cylinder wherein, make connecting panel 7 can with turning cylinder in being rotationally connected, rollover effect can be realized, in uphill process, connecting panel 7 and groove are first fastened, when rise to can carry out the proper height of aloft work time, connecting panel 7 is turned down, the length of connecting panel 7 arranges the distance of being longer than between two inspection platforms 4, ensure that connecting panel 7 can be fitted in the groove of another inspection platform 4, thus a platform connected can be built, staff can be made can to carry out maintenance work on platform, hoist ceiling crane can also be lowered on platform and carry out maintenance work, without the need to carrying out maintenance of standing, for maintenance work provides conveniently.And two guide rails are provided with in the both sides of inspection platform 4, guardrail 8 and guide rail are carried out bearing fit, and guardrail 8 be scalable netted iron guardrail 8, when not using can by guardrail 8 and with, when rising to operating altitude, guardrail 8 is pulled open the safety ensureing aloft work.
With reference to shown in Fig. 2-3, lifting device 5 is all provided with in two supporting legs 3, described two lifting devices 5 include hydraulic actuating cylinder 52, chain 51, hydralic hose 54 and slide unit 53, hydraulic actuating cylinder 52 is placed in the lower end of supporting leg 3, because two supporting legs 3 are "eight" shape, so preferably hydraulic actuating cylinder 52 is hydraulic tilt cylinder 52, and use hydralic hose 54 to connect the hydraulic actuating cylinder 52 in two supporting legs 3, and use chain 51 to be connected to make hydraulic actuating cylinder 52 with slide unit 53, thus promote chain 51 by hydraulic actuating cylinder 52, thus drive the lifting of slide unit 53 again, slide unit 53 has been provided with roller, with supporting leg 3 in sliding block joint, and on slide unit 53, be connected with inspection platform 4, thus the steady lifting of inspection platform 4 can be realized.Because two hydraulic actuating cylinders 52 in two supporting legs 3 have a time difference when starting to rise, this can cause the lifting speed because of the right and left different and lifting overbalance, therefore on the basis of lifting device 5, equalizing gear 6 is provided with, have employed the equalizing gear 6 that steel rope is used as whole lifting process, utilize the position of fixed pulley 61 to arrange the trend of steel rope, what adopt is install two secondary symmetrical steel ropes in single leg, but the trend of the steel rope inside this single leg is but two contrary directions, can the slide unit 53 of the right and left be made in the process risen to keep balance by the tension force changing steel rope, keep the uniform tension in order of steel rope, maintenance balance that so just can be real.
With reference to shown in Fig. 4, slide unit 53 is provided with safety mechanism 10, described safety mechanism 10 comprises tooth bar 101, mechanical lock 102 and spring 103, the inwall that tooth bar 101 is arranged on leg is maintained static, the mechanical lock 102 be arranged on slide unit 53 then moves up and down with slide unit 53, and mechanical lock 102 engages with serration tooth bar 101 due to the effect of spring 103 power always.Mechanical lock 102 rises with slide unit 53, in uphill process, rising make every effort to overcome the effect taking spring 103 power, mechanical lock 102 does fore and aft motion.Mechanical lock 102 and tooth bar 101 engage to realize inspection platform 4 be in positioning states or hydraulic efficiency pressure system breaks down, oil pressure lower than certain numerical value time, load can not decline because of self gravitation, if declined, pressure oil enters in mechanical lock 102 hydraulic actuating cylinder 52, the pressure of oil pressure counter spring 103, driven plunger moves, and is opened by mechanical lock 102, and now inspection platform 4 just can freely rise or decline.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a semi-goliath crane, comprise girder (1), bottom end rail (2) and supporting leg (3), described supporting leg (3) is fixedly connected with girder (1), supporting leg (3) is provided with two, described supporting leg (3) is equipped with inspection platform (4), described inspection platform (4) respectively with supporting leg (3) in sliding block joint, it is characterized in that: in described supporting leg (3), be equipped with the lifting device (5) be elevated for controlling inspection platform (4), described supporting leg (3) is provided with and keeps conplane equalizing gear (6) for controlling two inspection platforms (4), described equalizing gear (6) is connected with both sides lifting device (5).
2. a kind of semi-goliath crane according to claim 1, it is characterized in that: described lifting device (5) comprises hydraulic actuating cylinder (52) and slide unit (53), described hydraulic actuating cylinder (52) drives slide unit (53) lifting, and described slide unit (53) is connected with inspection platform (4).
3. a kind of semi-goliath crane according to claim 2, is characterized in that: described lifting device (5) also comprises hydralic hose (54), and described two lifting devices (5) are connected by hydralic hose (54).
4. a kind of semi-goliath crane according to claim 3, is characterized in that: described equalizing gear (6) comprises steel cable (62) and pulley (61), and pulley (61) walked around by described steel cable (62), and described steel cable (62) connects two slide units.
5. a kind of semi-goliath crane according to claim 2, it is characterized in that: described slide unit (53) is provided with safety mechanism (10), described safety mechanism (10) comprises the tooth bar (101) and mechanical lock (102) that are meshed, described tooth bar (101) is fixedly installed in supporting leg (3) inwall, and described mechanical lock (102) is fixedly connected with slide unit (53).
6. a kind of semi-goliath crane according to claim 1, is characterized in that: described inspection platform (4) is rotatably connected to connecting panel (7), and described connecting panel (7) and inspection platform (4) are in being rotationally connected.
7. a kind of semi-goliath crane according to claim 6, is characterized in that: described inspection platform (4) is provided with guardrail (8), and described guardrail (8) and inspection platform (4) are in sliding block joint.
8. a kind of semi-goliath crane according to claim 7, is characterized in that: the side surface that described inspection platform (4) deviates from girder (1) is provided with structural reinforcement (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521008070.8U CN205170212U (en) | 2015-12-07 | 2015-12-07 | Semi -portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521008070.8U CN205170212U (en) | 2015-12-07 | 2015-12-07 | Semi -portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205170212U true CN205170212U (en) | 2016-04-20 |
Family
ID=55734227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521008070.8U Expired - Fee Related CN205170212U (en) | 2015-12-07 | 2015-12-07 | Semi -portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205170212U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455458A (en) * | 2018-01-30 | 2018-08-28 | 无锡石油化工起重机有限公司 | The explosion-proof crane of dual-purpose inspection platform is installed |
| CN112850588A (en) * | 2021-01-08 | 2021-05-28 | 山东理工大学 | Synchronous unfolding and folding mechanism with four supporting legs |
| CN115215273A (en) * | 2022-08-08 | 2022-10-21 | 广东电网有限责任公司 | Door type frame |
-
2015
- 2015-12-07 CN CN201521008070.8U patent/CN205170212U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108455458A (en) * | 2018-01-30 | 2018-08-28 | 无锡石油化工起重机有限公司 | The explosion-proof crane of dual-purpose inspection platform is installed |
| CN112850588A (en) * | 2021-01-08 | 2021-05-28 | 山东理工大学 | Synchronous unfolding and folding mechanism with four supporting legs |
| CN112850588B (en) * | 2021-01-08 | 2022-08-30 | 山东理工大学 | Synchronous unfolding and folding mechanism with four supporting legs |
| CN115215273A (en) * | 2022-08-08 | 2022-10-21 | 广东电网有限责任公司 | Door type frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104632088B (en) | Oil-well rig derrick set assembly/installation method | |
| CN201154877Y (en) | Simple dismounting type cantilever sliding small crane | |
| CN103342318A (en) | Lifting device for steel truss inspection trolley working platform and installation method thereof | |
| CN205170212U (en) | Semi -portal crane | |
| CN103726421A (en) | Height and span adjustable track paver for metro construction | |
| CN103306200A (en) | Detection and rescue operation vehicle for high-speed railway viaduct | |
| CN204125835U (en) | A kind of bridge inspection vehicle | |
| CN204422347U (en) | A kind of missile wing static loading test device | |
| CN201852710U (en) | Hoisting mechanism test bench | |
| CN204310644U (en) | A kind of single suspension centre cage guide installation and maintenance hanging basket | |
| CN104677744A (en) | Static loading test device for missile wing | |
| CN104192681B (en) | A kind of building hoist integration actuating device | |
| CN107881907B (en) | Inspection vehicle for bridge main arch | |
| CN202369333U (en) | Wall mounting elevator | |
| CN201850076U (en) | Gate-shaped stand rod hoist of contact network | |
| CN203684019U (en) | Height and span adjustable track laying machine for subway construction | |
| CN206800251U (en) | Crashworthiness security protection lifts limit for height equipment | |
| CN103422432B (en) | A kind of examination and repair system of single plane cable stayed bridge suspension cable and application thereof | |
| CN102730585B (en) | Series compensation platform hydraulic installation system with level adjustment function | |
| CN108166392A (en) | A kind of floorings hanging device and method | |
| CN201817208U (en) | Simple lifting machine | |
| CN203334180U (en) | High-speed railway overhead bridge detection and rescue working truck | |
| CN205275061U (en) | Semi -portal crane | |
| CN205636494U (en) | HZQY900 type fortune frame all -in -one | |
| CN105984821A (en) | Hoisting device used according to needs and used in wind power unit cabin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181207 |