CN211144517U - Bearing adjusting type steel support jacking device - Google Patents
Bearing adjusting type steel support jacking device Download PDFInfo
- Publication number
- CN211144517U CN211144517U CN201921605294.5U CN201921605294U CN211144517U CN 211144517 U CN211144517 U CN 211144517U CN 201921605294 U CN201921605294 U CN 201921605294U CN 211144517 U CN211144517 U CN 211144517U
- Authority
- CN
- China
- Prior art keywords
- bearing
- guide sleeve
- welded
- adjustment
- jacking
- 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
Landscapes
- Support Of The Bearing (AREA)
Abstract
The utility model relates to a bearing adjustment formula steel shotcrete jacking device belongs to tunnel preliminary bracing construction technical field, including taking handle swivel bearing, supporting base, guide cylinder, jack-screw shaft, supporting down tube, two-way adjustable bracket, biography power handle. The utility model discloses a steel shotcrete installation auxiliary device, during the installation steel shotcrete, stands the device on ground, puts into adjustable bracket to the steel shotcrete, through artifical swivel bearing handle, alright through the mode of swivel bearing rising lifting shaft, with steel shotcrete jacking to required height. Meanwhile, the device improves the existing jack jacking mode, and solves the problems of higher device cost, jacking stroke limitation and heavy device; and the adjustment form of the top adjustable bracket is improved, the one-way adjustment of the point position of the clamping hole is changed into the two-way adjustment of the linear bolt hole, and the problems of bracket size deviation caused by the point position adjustment and poor safety and stability of bias voltage caused by the one-way adjustment are solved.
Description
Technical Field
The utility model belongs to the technical field of the tunnel preliminary bracing construction, specifically speaking relates to a bearing adjustment formula steel shotcrete jacking device.
Background
With the large-scale construction of modern railways, high-grade roads and other traffic facilities and various underground projects, the number of large and small tunnels under different texture conditions is increasing. At present, mountain tunnels, underground caverns and the like mostly adopt a new Olympic construction principle, so that disturbance to surrounding rocks is reduced as much as possible, and the self bearing capacity of the surrounding rocks is fully protected and utilized. Tunnel lining generally adopts composite lining, namely primary support → waterproof layer → secondary lining. Steel supports such as I-steel or grid steel frames and the like are additionally arranged according to geological conditions during tunnel construction, and play a main supporting role after excavation, so that the rigidity of primary support is enhanced, and the overall stability of the tunnel is enhanced; however, the tunnel section is generally excavated in steps, so that the operation space is limited after excavation, and great restriction is brought to the installation of the steel support. The traditional steel support installation method depends on the cooperation of mechanical equipment and manual jacking installation, so that a large amount of labor loss is increased for engineering construction, time and labor are wasted, the engineering construction progress is influenced, and the construction cost caused by the mechanical equipment is increased for a long time. The final installation position is often inaccurate and difficult to meet the quality requirements of the specification and the standard.
Disclosure of Invention
In order to overcome the problem that exists among the background art, the utility model provides a bearing regulation formula steel shotcrete jacking device has overcome that traditional manual fit machinery installation steel shotcrete brings installation quality be difficult to up to standard, wasting of resources, intensity of labour is big, construction resources and cost increase, the installation advances the slow problem of degree. The device simple structure, low cost, easily processing, light swift, the transport is nimble, the installation accuracy is controllable and the installation is laborsaving, can accelerate the installation progress greatly, need not the long-time cooperation of other mechanical equipment. Meanwhile, the device improves the existing jack jacking mode into bearing rotating jacking and improves the existing one-way regulation of the point position of the clamping hole into two-way regulation of a linear bolt hole.
In order to achieve the above object, the utility model adopts the following technical scheme:
a bearing adjusting type steel support jacking device comprises a rotary bearing 1 with a handle, wherein a guide sleeve 3 is welded at the bottom of the rotary bearing 1, and a lifting screw shaft 4 is arranged inside the guide sleeve 3; 3 supporting inclined rods 6 are hinged to the outer side of the guide sleeve 3, a plugging steel plate 13 with a round hole is welded to the top of the guide sleeve 3, a supporting base 5 is welded to the bottom of the guide sleeve 3, and lubricating oil 8 is filled in the guide sleeve 3; and a bidirectional adjustable bracket 7 is welded at the top of the lifting screw shaft 4.
Furthermore, the rotating bearing 1 with the handle comprises a rolling bearing 10, a nut 11 is inscribed in the rolling bearing 10, the height of the nut 11 is larger than that of the rolling bearing 10, and a pair of force transmission handles 12 are welded on two sides of the nut 11.
Further, the bidirectional adjustable bracket 7 comprises a rectangular bottom plate 15, two sides of the rectangular bottom plate 15 are respectively provided with a straight bolt hole 16 for the bolt 21 to move left and right, two sides of the rectangular bottom plate 15 are respectively movably connected with L-shaped side plates 17, and L-shaped side plates 17 are provided with fixed support rib plates 18.
Furthermore, the bottom of the L-shaped side plate 17 is provided with a circular bolt hole 20, and the L-shaped side plate 17 is movably connected with the rectangular bottom plate 15 through a bolt 21.
The utility model has the advantages that:
since the technical scheme is used, compare with prior art, the utility model discloses not only reduced steel shotcrete installation labour and dropped into, alleviateed human labor intensity, solved mechanical equipment and taken the problem for a long time, accelerated steel shotcrete installation construction progress, effectively reduceed construction resources and cost, but also solved mode jacking stroke restriction such as jack, device cost of manufacture height, the heavy problem of device, more strengthened the suitability and the security of adjustable bracket.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the rotary bearing with a handle according to the present invention;
FIG. 3 is a schematic view of the plane structure of the handle-equipped swivel bearing of the present invention;
fig. 4 is a disassembled view of the bidirectional adjustable bracket of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings.
The utility model discloses as shown in fig. 1-4, a bearing adjusting type steel support jacking device comprises a rotary bearing 1 with a handle, a guide sleeve 3 is welded at the bottom of the rotary bearing 1, and a lifting screw shaft 4 is arranged inside the guide sleeve 3; 3 supporting inclined rods 6 are hinged to the outer side of the guide sleeve 3, a plugging steel plate 13 with a round hole is welded to the top of the guide sleeve 3, a supporting base 5 is welded to the bottom of the guide sleeve 3, and lubricating oil 8 is filled in the guide sleeve 3; and a bidirectional adjustable bracket 7 is welded at the top of the lifting screw shaft 4.
The rotary bearing 1 with the handle comprises a rolling bearing 10, a nut 11 is connected in the rolling bearing 10 in an inscribed mode, the height of the nut 11 is larger than that of the rolling bearing 10, and a pair of force transmission handles 12 are welded on two sides of the nut 11.
The bidirectional adjustable bracket 7 comprises a rectangular bottom plate 15, two sides of the rectangular bottom plate 15 are respectively provided with a linear bolt hole 16 for the bolt 21 to move left and right, two sides of the rectangular bottom plate 15 are respectively movably connected with L-shaped side plates 17, and the L-shaped side plates 17 are provided with fixed support rib plates 18.
Furthermore, the bottom of the L-shaped side plate 17 is provided with a circular bolt hole 20, the L-shaped side plate 17 is movably connected with the rectangular bottom plate 15 through a bolt 21, and the position of the L-shaped side plate 17 on the bottom plate is bidirectionally adjustable and has no point position distance limitation.
Lubricating oil 8 is filled in the guide sleeve 3, so that the friction force between the roller and the inner ring and the friction force between the nut and the screw rod when the bearing rotates are effectively reduced; the length of the guide sleeve 3 and the length of the lifting screw shaft 4 can be customized according to construction conditions of different heights, and the problem of limit of the existing lifting stroke is solved.
The utility model discloses a use:
when the steel support is installed, the two supporting bases 5 of the device and the supporting inclined rods 6 on the guiding sleeve 3 are placed at two ends of a steel support installation position and are firmly clamped on a working trolley or core soil, the supporting inclined rods 6 are adjusted to enable the device to be stable and have correct angles, the lifting screw shaft 4 and the bidirectional adjustable bracket 7 are lifted to a proper height through rotating the rotary bearing 1, meanwhile, the width of the bidirectional adjustable bracket 7 is adjusted to be consistent with the width of the steel support through adjusting L-shaped side plates 17 on two sides of the bidirectional adjustable bracket 7, then the steel support is lifted into the bidirectional adjustable bracket 7 manually, finally, the force transmission handles 12 of the two devices are respectively rotated, the lifting screw shaft 4 and the bidirectional adjustable bracket 7 are driven to lift through rotating the rotary bearing 1, two ends of the steel support are respectively lifted to accurate positions, accurate positioning of the steel support and splicing of I-steel on two sides are achieved, in addition, the refitting device is modified to be arranged at the height of an operation space during manufacturing, and when the operation space change is large, the guiding sleeve 3 and the lifting screw shaft 4 can be lengthened to meet the requirement of lifting screw shaft for increasing the lifting stroke due to the change of.
The utility model discloses a steel shotcrete installation auxiliary device, during the installation steel shotcrete, stands the device on ground, puts into adjustable bracket to the steel shotcrete, through artifical swivel bearing handle, alright through the mode of swivel bearing rising lifting shaft, with steel shotcrete jacking to required height. The device has the advantages of simple structure, low cost, easy processing, light weight, quickness, flexible carrying, accurate mounting position of the steel support, labor saving in mounting mode and flexible adjustment, overcomes the resource waste and labor loss caused by the fact that the steel support is mounted by the traditional manual matching machine, reduces resource investment and lightens labor intensity. Meanwhile, the device improves the existing jack jacking mode, and replaces the existing jack jacking mode with bearing adjustment, so that the problems of high cost, limited jacking stroke and heavy device are solved; and the adjustment form of the top adjustable bracket is improved, the one-way adjustment of the point position of the clamping hole is changed into the two-way adjustment of the linear bolt hole, and the problems of bracket size deviation caused by the point position adjustment and poor safety and stability of bias voltage caused by the one-way adjustment are solved. The jacking device is really suitable for jacking steel supports with different construction conditions and different types.
Finally, it is noted that the above preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above preferred embodiments, various changes in form and detail may be made therein without departing from the scope of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides a bearing regulation formula steel shotcrete jacking device which characterized in that: the device comprises a rotary bearing (1) with a handle, wherein a guide sleeve (3) is welded at the bottom of the rotary bearing (1), and a lifting screw shaft (4) is arranged in the guide sleeve (3); 3 supporting inclined rods (6) are hinged to the outer side of the guide sleeve (3), a plugging steel plate (13) with a round hole is welded to the top of the guide sleeve (3), a supporting base (5) is welded to the bottom of the guide sleeve (3), and lubricating oil (8) is filled in the guide sleeve (3); and a bidirectional adjustable bracket (7) is welded at the top of the lifting screw shaft (4).
2. The bearing adjusting type steel support jacking device as claimed in claim 1, wherein: the rotary bearing (1) with the handle comprises a rolling bearing (10), a nut (11) is connected in the rolling bearing (10) in an inscribed mode, the height of the nut (11) is larger than that of the rolling bearing (10), and a pair of force transmission handles (12) are welded on two sides of the nut (11).
3. The bearing-adjustable steel support jacking device as claimed in claim 1, wherein the two-way adjustable bracket (7) comprises a rectangular bottom plate (15), the two sides of the rectangular bottom plate (15) are respectively provided with a linear bolt hole (16) for the bolt (21) to move left and right, the two sides of the rectangular bottom plate (15) are respectively movably connected with L-shaped side plates (17), and fixed support rib plates (18) are arranged on the L-shaped side plates (17).
4. The bearing adjusting type steel support jacking device as claimed in claim 3, wherein the bottom of the L-shaped side plate (17) is provided with a circular bolt hole (20), and the L-shaped side plate (17) is movably connected with the rectangular bottom plate (15) through a bolt (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921605294.5U CN211144517U (en) | 2019-09-25 | 2019-09-25 | Bearing adjusting type steel support jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921605294.5U CN211144517U (en) | 2019-09-25 | 2019-09-25 | Bearing adjusting type steel support jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144517U true CN211144517U (en) | 2020-07-31 |
Family
ID=71766611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921605294.5U Active CN211144517U (en) | 2019-09-25 | 2019-09-25 | Bearing adjusting type steel support jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211144517U (en) |
-
2019
- 2019-09-25 CN CN201921605294.5U patent/CN211144517U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107288158B (en) | A kind of vertical framing precast construction method of underpass open cut | |
| CN105329291A (en) | Scaffold steel pipe carrying device | |
| CN103670286B (en) | A kind of electric power pylon composite foundation anchoring drilling machine all-around mobile base | |
| CN103321212A (en) | One-column-one-pile post inserting method construction process | |
| CN216739658U (en) | Energy-saving and material-reducing foundation pit supporting structure | |
| CN211144517U (en) | Bearing adjusting type steel support jacking device | |
| CN111457158A (en) | Push pipe construction structures convenient to installation | |
| CN219243107U (en) | Site surveying instrument for construction engineering cost | |
| CN206397179U (en) | A kind of steel-structure factory building pre-buried steel structure column apparatus for correcting | |
| CN112031649A (en) | Guiding mechanism of rotary drilling rig for ultra-long piles in soft soil area | |
| CN203271739U (en) | Support for electric coal drill | |
| CN218201872U (en) | Pipeline bearing mechanism and pipeline laying device for municipal water supply and drainage engineering | |
| CN204298830U (en) | Based on lattice column plane in subterranean excavation and elevation regulation device | |
| CN209339156U (en) | The embedding rock foot pilework of anchor tube formula in a kind of Extra-Deep Foundation Pit | |
| CN214697688U (en) | Pole boring tool | |
| CN212379073U (en) | Geotechnical sampling device in geotechnical engineering | |
| CN204615274U (en) | A kind of actinobacillus device of transmission line | |
| CN208997466U (en) | A kind of height-adjustable push-bench | |
| CN201196024Y (en) | Integrally movable on-land oil-well rig | |
| CN204343777U (en) | A kind of convenient line bar base | |
| CN219929418U (en) | U-shaped prefabricated canal lifting device | |
| CN217204083U (en) | Fixed frame device that worker's method stake was used | |
| CN217081659U (en) | Adjustable laser theodolite and top pick integrated support | |
| CN216379513U (en) | Ground anchor device for geotechnical engineering | |
| CN216999641U (en) | Tamping device for electric power engineering construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |