CN210340179U - Simple and easy installation type hoist - Google Patents
Simple and easy installation type hoist Download PDFInfo
- Publication number
- CN210340179U CN210340179U CN201921417879.4U CN201921417879U CN210340179U CN 210340179 U CN210340179 U CN 210340179U CN 201921417879 U CN201921417879 U CN 201921417879U CN 210340179 U CN210340179 U CN 210340179U
- Authority
- CN
- China
- Prior art keywords
- supporting legs
- positioning
- outer supporting
- installation type
- rod
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a simple installation type crane, which comprises an I-shaped main beam, supporting legs, a ground beam, traveling wheels and an electric hoist; the two ends of the I-shaped main beam are fixedly connected with supporting leg connecting parts and are arranged at the upper ends of the supporting legs at the left side and the right side; the supporting legs comprise inner supporting legs and hollow outer supporting legs with openings at the upper ends, the bottom ends of the inner supporting legs penetrate through the openings at the top ends of the outer supporting legs and are arranged in the outer supporting legs, first electric hydraulic push rods are arranged on the bottom surfaces of the interiors of the outer supporting legs, the bottom ends of the first electric hydraulic push rods are connected with the bottom surfaces of the interiors of the outer supporting legs, and the top ends of the first electric hydraulic push rods are connected with the bottom ends of the inner supporting legs; the bottom ends of the outer support legs are fixedly connected with the top ends of the ground beams, and two traveling wheels are arranged at the bottom end of each side of the ground beam along the front-back direction; the electric block is arranged on the I-shaped main beam through the traveling wheels, and the lower end of the electric block is connected with a lifting hook through a steel wire rope. The utility model discloses the installation is simple with the dismantlement, convenient and can be applicable to multiple job scene, and the practicality is strong.
Description
Technical Field
The utility model relates to a jack-up field especially relates to a simple and easy installation type hoist.
Background
At present, with continuous innovation and development of science and technology, the types of cranes are more and more diversified, and the cranes are also more and more widely applied to various fields, so that the production activities of people are greatly facilitated, the working efficiency is improved, and the potential safety hazards are reduced; but in current production activity, most crane cubage and dead weight are great, the structure is complicated, the installation is troublesome with dismantling, the transportation is inconvenient, the emergence of the circumstances such as work efficiency is low and application range is limited has been caused to a certain extent, especially when the space is narrow and small and ground unevenness, need suitably adjust the hoist according to specific environment, in order to satisfy the demand of lifting by crane, and current hoist is because of bulky, it is higher to the construction site requirement, the installation is dismantled and is adjusted all difficult operations, consequently need a simple and easy installation type hoist that can just can satisfy different service environment in less space of operation urgent need.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple and easy installation type hoist can lift by crane the operation and the installation dismantlement is simple and convenient in less space to further promote work efficiency.
The utility model adopts the following technical proposal:
the utility model provides a simple and easy installation type hoist which characterized in that: comprises an I-shaped main beam, supporting legs, a ground beam, traveling wheels and an electric hoist; the left side of the I-shaped main beam is fixedly connected with the upper end of the left side of the support leg through a bolt, and the right side of the I-shaped main beam is fixedly connected with the upper end of the right side of the support leg through a bolt; the supporting legs comprise inner supporting legs and hollow outer supporting legs with openings at the upper ends, the bottom ends of the inner supporting legs penetrate through the openings at the top ends of the outer supporting legs and are arranged in the outer supporting legs, first electric hydraulic push rods are arranged on the bottom surfaces of the interiors of the outer supporting legs, the bottom ends of the first electric hydraulic push rods are connected with the bottom surfaces of the interiors of the outer supporting legs, and the top ends of the output ends of the first electric hydraulic push rods are in contact with the bottom ends of the inner supporting legs; the bottom ends of the outer support legs are fixedly connected with the top ends of the ground beams, and two traveling wheels are arranged at the bottom end of each side of the ground beam along the front-back direction; the electric block is arranged on the I-shaped main beam through the traveling wheels, and the lower end of the electric block is connected with a lifting hook through a steel wire rope.
Grooves are formed in the left end and the right end of the supporting leg connecting part along the left-right direction, and protruding blocks are arranged at the top ends of the inner supporting legs on the left side and the right side and matched with the grooves; bolt through holes penetrating through the grooves and the protruding blocks are formed in the grooves and the protruding blocks in the front-back direction.
The I-shaped girder left and right sides bottom all be provided with the fixed block, all be provided with the jack on every fixed block, I-shaped girder all is provided with the enhancement branch with every side junction of inner leg, strengthen branch one end interlude and set up in the jack that sets up on the fixed block, the other end interlude sets up in the jack that sets up on the inner leg.
The left side and the right side of each outer supporting leg are respectively provided with a supporting rod, the top end of each supporting rod is hinged with the outer supporting leg, and the bottom end of each supporting rod is inserted into a supporting rod inserting hole formed in the left side surface and the right side surface of the ground beam.
The left side and the right side in the outer supporting legs are oppositely provided with a plurality of rollers along the vertical direction.
The bottom end of the outer supporting leg is provided with a fixed seat, a plurality of bolt through holes are formed in the fixed seat, the bottom end of the outer supporting leg is fixedly connected with the top end of the fixed seat, and the bottom end of the fixed seat is fixedly connected with the top end of the ground beam through a bolt.
The walking wheel set up on the grade beam through the electronic hydraulic pressure push rod of second, the bottom of the electronic hydraulic pressure push rod of second and the top internal surface fixed connection of grade beam, the top of the electronic hydraulic pressure push rod output of second is provided with walking wheel mount pad, walking wheel mount pad passes through the bearing and is connected with the walking wheel rotation.
The front end and the rear end of each side of the ground beam are respectively provided with a positioning device, each positioning device comprises a positioning sleeve, a positioning slide rod and a positioning block, the top end of the positioning sleeve at the front end is hinged with a hinge block arranged at the upper end of the front part of the ground beam, the top end of the positioning sleeve at the rear end is hinged with a hinge block arranged at the upper end of the rear part of the ground beam, the top end of the positioning slide rod penetrates through an opening at the bottom end of the positioning sleeve and is arranged in the positioning sleeve, and the bottom; the positioning slide bar is connected with the positioning sleeve through a bolt, the positioning sleeve is provided with a plurality of bolt through holes along the vertical direction, and the upper end of the positioning slide bar is provided with a through hole matched with the bolt through holes.
The bottom end of the positioning block is arranged to be in a sawtooth shape, the side face of the positioning sleeve is provided with a sliding groove, the positioning fixture block is arranged in the sliding groove, and the top faces of the front end and the rear end of the ground beam are provided with positioning fixture block clamping grooves.
The supporting insertion rod is arranged between the outer supporting leg and the inner supporting leg, a plurality of supporting insertion rod through holes penetrating through the outer supporting leg are formed in the outer supporting leg in the vertical direction, a plurality of penetrating through holes matched with the supporting insertion rod through holes are formed in the inner supporting leg from bottom to top, and the supporting insertion rod is inserted into the supporting insertion rod through holes.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a simple and easy installation type hoist through the setting with inside and outside landing leg relative slip, can carry out the operation of going up and down to the I shape girder to be convenient for carry out the installation of I shape girder and demolish, the I shape girder of being convenient for carries out quick accurate installation in the recess that sets up on the landing leg connecting portion and the setting of the last protruding piece of inner support leg. The arrangement of the reinforcing support rod can play a supporting role and is convenient to install.
The utility model can be fixed and can be lifted against different ground environments by further arranging the positioning device, thereby not only ensuring the safety of the work, but also improving the work efficiency; the arrangement of the supporting rod can not only enhance the firmness of the utility model, but also facilitate the installation and the disassembly, and the operation is convenient; the arrangement of the rollers in the outer supporting legs reduces the friction of the inner supporting legs in the rising process, improves the working efficiency and reduces the resource waste.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a structural diagram of the support leg of the present invention.
Detailed Description
The invention is described in detail below with reference to the following figures and examples:
as shown in fig. 1 to 3, the simple installation type crane of the present invention includes an i-shaped main beam 1, support legs 2, a ground beam 3, traveling wheels 4 and an electric hoist 5; the support leg connecting part 1-1 is fixedly connected to two ends of an I-shaped main beam 1 and is arranged at the upper ends of the support legs 2 on the left side and the right side, the support leg connecting part 1-1 on the left side of the I-shaped main beam 1 is fixedly connected with the upper end of the support leg 2 on the left side through a bolt, and the support leg connecting part 1-1 on the right side of the I-shaped main beam 1 is fixedly connected with the upper end of the support leg 2 on the; the supporting legs 2 comprise inner supporting legs 2-1 and hollow outer supporting legs 2-2 with openings at the upper ends, the bottom ends of the inner supporting legs 2-1 penetrate through openings at the top ends of the outer supporting legs 2-2 and are arranged in the outer supporting legs 2-2, first electric hydraulic push rods 6 are arranged on the bottom surfaces of the inner parts of the outer supporting legs 2-2, the bottom ends of the first electric hydraulic push rods 6 are connected with the bottom surfaces of the inner parts of the outer supporting legs 2-2, and the top ends of the output ends of the first electric hydraulic push rods 6 are contacted with the bottom ends of the inner supporting legs 2-1; realize landing leg 2's altitude mixture control function through first electronic hydraulic push rod 6, can guarantee the synchronism when 2 altitude mixture control of both sides landing leg, can guarantee the stationarity that interior landing leg 2-1 goes up and down when altitude mixture control again, increase the utility model discloses a practicality. The I-shaped main beam 1 can be conveniently mounted and dismounted by adjusting the height of the supporting legs 2, so that the hoisting work can be conveniently carried out in a narrow environment, and the working efficiency is improved; the bottom ends of the outer support legs 2-2 are fixedly connected with the top end of the ground beam 3, two walking wheels 4 are arranged at the bottom end of the ground beam 3 on each side along the front-back direction, the walking wheels 4 are convenient to move to the position needing to be lifted, and the working efficiency is improved; the electric hoist 5 is arranged on the I-shaped main beam 1 through a traveling wheel, and the lower end of the electric hoist 5 is connected with a lifting hook through a steel wire rope.
In order to promote the utility model discloses a result of use and the simplicity of installation, the utility model discloses do following optimization: the supporting leg connecting parts 1-1 at the left end and the right end of the I-shaped main beam 1 are respectively provided with a groove 7 along the left direction and the right direction, the top ends of the inner supporting legs 2-1 at the left side and the right side are respectively provided with a convex block 8, the convex blocks 8 are matched with the grooves 7, and the convex blocks 8 are arranged in the grooves 7 during installation, so that the I-shaped main beam 1 is convenient to position and install; bolt through holes penetrating through the grooves 7 and the protruding blocks 8 are formed in the grooves 7 and the protruding blocks 8 in the front-back direction. The bolt passes through the bolt through holes arranged on the groove 7 and the protruding block 8 and then connects the I-shaped main beam 1 with the supporting leg 2, so that the operation is simple, convenient and quick. The bottom ends of the left side and the right side of the I-shaped main beam 1 are respectively provided with a fixed block 12, each fixed block 12 is provided with an insertion hole, the joint of the I-shaped main beam 1 and each side of the inner supporting leg 2-1 is provided with a reinforcing support rod 9, one end of each reinforcing support rod 9 is arranged in the insertion hole formed in the fixed block 12 in an inserting mode, and the other end of each reinforcing support rod 9 is arranged in the insertion hole formed in the inner supporting leg 2-1 in. Strengthen branch 9's setting and can increase the utility model discloses a stability and firm degree to strengthen branch 9 and set up in the jack for alternating, convenient operation, practicality are strong.
The left and right sides of every outer leg 2-2 all is provided with bracing piece 10, and bracing piece 10 can make the utility model discloses the atress is balanced and strengthens the utility model discloses stability when using, the top of bracing piece 10 is articulated with outer leg 2-2, and the bottom of bracing piece 10 is pegged graft with the bracing piece jack that sets up on the 3 left and right sides face of grade beam. The bottom end of the supporting rod 10 is inserted into the ground beam 3, so that the installation and the disassembly are convenient, and the operation is simple and convenient; the top end of the supporting rod 10 is hinged with the outer supporting leg 2-2, so that the supporting rod 10 is convenient to fold up during disassembly, the space utilization rate is improved, and the transportation is convenient. The bottom end of the outer supporting leg 2-2 is provided with a fixed seat 13, the fixed seat 13 is provided with a plurality of bolt through holes, the bottom end of the outer supporting leg 2-2 is fixedly connected with the top end of the fixed seat 13, and the bottom end of the fixed seat 13 is fixedly connected with the top end of the ground beam 3 through bolts. The arrangement of the fixed seat 13 is convenient for the installation and the disassembly of the outer supporting leg 2-2 and the ground beam 3, and the operation is simple and rapid.
The walking wheel 4 is arranged on the ground beam 3 through the second electric hydraulic push rod 14, the bottom end of the second electric hydraulic push rod 14 is fixedly connected with the inner surface of the top end of the ground beam 3, a walking wheel mounting seat is arranged at the top end of the output end of the second electric hydraulic push rod 14, and the walking wheel mounting seat is rotatably connected with the walking wheel 4 through a bearing. Can carry out the operation of going up and down to walking wheel 4 through the setting of electronic hydraulic push rod 14 of second, can accomodate walking wheel 4 to 3 insides of grade beam when work ground is comparatively level and smooth, 3 bottoms of grade beam will increase lifting surface area with ground contact completely this moment, strengthen the utility model discloses a practicality. The front end and the rear end of each side ground beam 3 are provided with a positioning device, the positioning device comprises a positioning sleeve 15, a positioning slide bar 16 and a positioning block 17, the top end of the positioning sleeve 15 at the front end is hinged with a hinged block 18 arranged at the upper end of the front part of the ground beam 3, the top end of the positioning sleeve 15 at the rear end is hinged with the hinged block 18 arranged at the upper end of the rear part of the ground beam 3, the positioning device can be turned to the upper part of the ground beam 3 to avoid blocking the walking of the utility model when the utility model walks by hinging the positioning sleeve 15 and the hinged block 18, the utility model is improved, the opening of the top end of the positioning slide bar 16 passing through the bottom end of the positioning sleeve 15 is arranged in the positioning sleeve 15, the bottom end of the positioning slide bar 16 is hinged with the top end of the positioning block 17, the utility model can meet different use scenes, when the ground is in use, the positioning device can be turned to the lower part of, the ground beam 3 is kept in a horizontal position all the time by cooperatively adjusting the angle of the positioning block 17 and the height of the walking wheel 4, so that the stability of the utility model is enhanced, and the positioning block 17 can limit the walking wheel 4 to prevent the utility model from moving due to gravity or ground gradient and other problems; the positioning slide bar 16 is connected with the positioning sleeve 15 through a bolt 19, the positioning sleeve 15 is evenly provided with a plurality of bolt through holes along the vertical direction, and the upper end of the positioning slide bar 16 is provided with a through hole matched with the bolt through hole. The setting of bolt through-hole can lock the positioner's after the regulation height to satisfy different operational environment. The bottom end of the positioning block 17 is arranged to be zigzag, so that the friction force between the positioning block 17 and the ground is increased, the use effect of the positioning device is further improved, and the stability of the positioning device is enhanced; the side surface of the positioning sleeve 15 is provided with a sliding groove, the positioning fixture blocks 15-1 are arranged in the sliding groove, and the top ends of the front side and the rear side of the ground beam 3 are provided with positioning fixture block clamping grooves 15-2. When the positioning device is turned over to the upper end of the ground beam 3, the connection between the positioning fixture block slot 15-2 and the positioning fixture block 15-1 can be avoided, the utility model can be turned over to the lower part of the ground beam 3 due to the external force or vibration received by the positioning device during the walking process, thereby affecting the operation of the utility model. The outer supporting leg 2-2 is provided with a plurality of supporting inserted rod through holes 20 penetrating through the outer supporting leg 2-2 along the vertical direction, the inner supporting leg 2-1 is provided with a plurality of penetrating through holes matched with the supporting inserted rod through holes 20 from bottom to top, a supporting inserted rod is arranged between the outer supporting leg 2-2 and the inner supporting leg 2-1, and the supporting inserted rods are respectively inserted into the supporting inserted rod through holes 20 and the penetrating through holes of the outer supporting leg 2-2 and the inner supporting leg 2-1. Can the utility model discloses the in-process of lifting by crane provides the holding power and alleviates the gravity extension that first electro-hydraulic push rod 6 received to landing leg 2 the utility model discloses a life.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a simple and easy installation type hoist which characterized in that: comprises an I-shaped main beam, supporting legs, a ground beam, traveling wheels and an electric hoist; the left side of the I-shaped main beam is fixedly connected with the upper end of the left side of the support leg through a bolt, and the right side of the I-shaped main beam is fixedly connected with the upper end of the right side of the support leg through a bolt; the supporting legs comprise inner supporting legs and hollow outer supporting legs with openings at the upper ends, the bottom ends of the inner supporting legs penetrate through the openings at the top ends of the outer supporting legs and are arranged in the outer supporting legs, first electric hydraulic push rods are arranged on the bottom surfaces of the interiors of the outer supporting legs, the bottom ends of the first electric hydraulic push rods are connected with the bottom surfaces of the interiors of the outer supporting legs, and the top ends of the output ends of the first electric hydraulic push rods are in contact with the bottom ends of the inner supporting legs; the bottom ends of the outer support legs are fixedly connected with the top ends of the ground beams, and two traveling wheels are arranged at the bottom end of each side of the ground beam along the front-back direction; the electric block is arranged on the I-shaped main beam through the traveling wheels, and the lower end of the electric block is connected with a lifting hook through a steel wire rope.
2. A simple installation type crane as claimed in claim 1, wherein: grooves are formed in the left end and the right end of the supporting leg connecting part along the left-right direction, and protruding blocks are arranged at the top ends of the inner supporting legs on the left side and the right side and matched with the grooves; bolt through holes penetrating through the grooves and the protruding blocks are formed in the grooves and the protruding blocks in the front-back direction.
3. A simple installation type crane as claimed in claim 1, wherein: the I-shaped girder left and right sides bottom all be provided with the fixed block, all be provided with the jack on every fixed block, I-shaped girder all is provided with the enhancement branch with every side junction of inner leg, strengthen branch one end interlude and set up in the jack that sets up on the fixed block, the other end interlude sets up in the jack that sets up on the inner leg.
4. A simple installation type crane as claimed in claim 1, wherein: the left side and the right side of each outer supporting leg are respectively provided with a supporting rod, the top end of each supporting rod is hinged with the outer supporting leg, and the bottom end of each supporting rod is inserted into a supporting rod inserting hole formed in the left side surface and the right side surface of the ground beam.
5. A simple installation type crane as claimed in claim 1, wherein: the left side and the right side in the outer supporting legs are oppositely provided with a plurality of rollers along the vertical direction.
6. A simple installation type crane as claimed in claim 1, wherein: the bottom end of the outer supporting leg is provided with a fixed seat, a plurality of bolt through holes are formed in the fixed seat, the bottom end of the outer supporting leg is fixedly connected with the top end of the fixed seat, and the bottom end of the fixed seat is fixedly connected with the top end of the ground beam through a bolt.
7. A simple installation type crane as claimed in claim 1, wherein: the walking wheel set up on the grade beam through the electronic hydraulic pressure push rod of second, the bottom of the electronic hydraulic pressure push rod of second and the top internal surface fixed connection of grade beam, the top of the electronic hydraulic pressure push rod output of second is provided with walking wheel mount pad, walking wheel mount pad passes through the bearing and is connected with the walking wheel rotation.
8. A simple-installation type crane according to claim 7, wherein: the front end and the rear end of each side of the ground beam are respectively provided with a positioning device, each positioning device comprises a positioning sleeve, a positioning slide rod and a positioning block, the top end of the positioning sleeve at the front end is hinged with a hinge block arranged at the upper end of the front part of the ground beam, the top end of the positioning sleeve at the rear end is hinged with a hinge block arranged at the upper end of the rear part of the ground beam, the top end of the positioning slide rod penetrates through an opening at the bottom end of the positioning sleeve and is arranged in the positioning sleeve, and the bottom; the positioning slide bar is connected with the positioning sleeve through a bolt, the positioning sleeve is provided with a plurality of bolt through holes along the vertical direction, and the upper end of the positioning slide bar is provided with a through hole matched with the bolt through holes.
9. A simple-installation type crane according to claim 8, wherein: the bottom end of the positioning block is arranged to be in a sawtooth shape, the side face of the positioning sleeve is provided with a sliding groove, the positioning fixture block is arranged in the sliding groove, and the top faces of the front end and the rear end of the ground beam are provided with positioning fixture block clamping grooves.
10. A simple installation type crane as claimed in claim 1, wherein: the supporting insertion rod is arranged between the outer supporting leg and the inner supporting leg, a plurality of supporting insertion rod through holes penetrating through the outer supporting leg are formed in the outer supporting leg in the vertical direction, a plurality of penetrating through holes matched with the supporting insertion rod through holes are formed in the inner supporting leg from bottom to top, and the supporting insertion rod is inserted into the supporting insertion rod through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417879.4U CN210340179U (en) | 2019-08-29 | 2019-08-29 | Simple and easy installation type hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921417879.4U CN210340179U (en) | 2019-08-29 | 2019-08-29 | Simple and easy installation type hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210340179U true CN210340179U (en) | 2020-04-17 |
Family
ID=70176981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921417879.4U Active CN210340179U (en) | 2019-08-29 | 2019-08-29 | Simple and easy installation type hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210340179U (en) |
-
2019
- 2019-08-29 CN CN201921417879.4U patent/CN210340179U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201826525U (en) | Climbing shuttering system device for buildings | |
| CN105714690A (en) | Segmental cantilever girder lifter for large span steel and concrete composite beam erection construction | |
| CN201843324U (en) | Shaping lifting operation platform | |
| CN205474872U (en) | Basket is hung in two cable face limit case broad width girder constructions | |
| CN211498526U (en) | Self-lifting type corrugated steel web cast-in-situ box girder hanging basket | |
| CN210340179U (en) | Simple and easy installation type hoist | |
| CN108946465A (en) | A kind of fast erecting hanger and its application method | |
| CN108331335A (en) | A kind of pre-splicing separation type hydraulic of steel and wood composite is from climbing support | |
| CN202718380U (en) | Hydraulic climbing frame for construction of high-rise building | |
| CN105672136A (en) | Erecting construction process for large-span steel-concrete combination beam | |
| CN203021921U (en) | Split-mounting-type hanger system | |
| CN202260191U (en) | Mobile mounting rack for cabinet-type equipment | |
| CN209891694U (en) | Building faces limit structure post construction protection frame | |
| CN204357138U (en) | Simple steel structure lifting upending frame | |
| CN211499903U (en) | Device is demolishd in directional harmless quiet power cutting of reinforced concrete board | |
| CN210598201U (en) | Lower support structure and prefabricated part fine tuning tool | |
| CN203625878U (en) | Dynamic compactor and gantry device thereof | |
| CN201671325U (en) | Adjustable cantilever template | |
| CN115613477B (en) | Main girder cantilever trackless triangular hanging basket and construction method | |
| CN108328491A (en) | A kind of Mobile hoisting equipment of Super High Core Walls Structure | |
| CN213771083U (en) | Gantry crane supporting leg | |
| CN210483199U (en) | Movable electric power tower for temporary power supply | |
| CN204690594U (en) | A kind of simple and easy door frame of the Slidable for the installation of framing type steel box-girder crossbeam | |
| CN216739292U (en) | Anti-toppling supporting device for prefabricated T-shaped beam | |
| CN219952829U (en) | Independent supporting device for overhanging end of post-pouring belt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |