CN204000633U - A kind of sandbox detachable precompressed reaction frame for precompressed - Google Patents
A kind of sandbox detachable precompressed reaction frame for precompressed Download PDFInfo
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- CN204000633U CN204000633U CN201420457205.8U CN201420457205U CN204000633U CN 204000633 U CN204000633 U CN 204000633U CN 201420457205 U CN201420457205 U CN 201420457205U CN 204000633 U CN204000633 U CN 204000633U
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- precompressed
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Abstract
The utility model discloses detachable precompressed reaction frame for a kind of sandbox precompressed, comprise top support body, bottom support body and be connected in the vertical supporting structure between the two; Top support body and bottom support body are assembling type frame body, assembling type frame body comprises multiple supporting seats that are parallel laying, each supporting seat includes two symmetrical channel-section steels of laying, and multiple supporting seats top is provided with multiple upper steel plate stiffening ribs and its bottom is provided with multiple lower steel plate stiffening ribs; Vertical supporting structure comprises that many rows are arranged on respectively the vertical supporting post on multiple supporting seats, and the gap between two channel-section steels is the installation passage passing for vertical supporting post; On every vertical supporting post, be provided with the bottom locating part spacing to bottom support body and the position-limit mechanism spacing to top support body.The utility model is simple in structure, reasonable in design, easy accessibility and use easy and simple to handle, result of use good, the use of existence operation inconvenience can solve existing reaction frame large volume sandbox is carried out to precompressed time, the problem such as waste time and energy.
Description
Technical field
The utility model relates to a kind of reaction frame, especially relates to detachable precompressed reaction frame for a kind of sandbox precompressed.
Background technology
Sandbox formula temporary support is now used widely in bridge construction, refers to the temporary support using sandbox as institute's construction bridges.Sandbox formula temporary support is to utilize the dry fine sand in closed container easily to flow out in the time of container bottom or side opening opening, thereby the principle design of the interior fine sand volume of minimizing container.When actual use, place a cushion block that is slightly less than upper opening on sandbox upper opening and sandbox, the beam body of institute's construction bridges is placed on cushion block, and plays temporary supporting effect; While falling beam, emit fine sand from sandbox lateral opening, and along with the minimizing of fine sand volume in container, beam body drops on permanent bearing thereupon.Before employing sandbox supports beam body as temporary support, need first carry out sandbox precompressed.
Actual while carrying out sandbox precompressed, conventionally adopt and place weight on sandbox top and carry out precompressed or adopt reaction frame to carry out precompressed.Existing reaction frame mainly by top rail, lower transverse beam below top rail and be supported in top rail and lower transverse beam between column form.When actual use, top rail, column and lower transverse beam in existing reaction frame are assembled into one, though top rail can move up and down, can not arbitrarily dismantle.Thereby in actual use procedure, while especially large volume sandbox being carried out to precompressed, there is the defect such as use operation inconvenience, waste time and energy, affect largely efficiency of construction.As when carrying out precompressed as the sandbox of the bridge ball pivot temporary support of turning, because this sandbox is that external diameter is to require the highly large volume sandbox for 70cm after 50.8cm and precompressed complete, and sandbox is processed by 2cm steel plate, more than requirement preload pressure reaches 500kN, and single sandbox install standard fine sand after weight more than 2t, therefore must use crane to lift.Like this, adopt existing be assembled into one and when this large volume sandbox is carried out to precompressed to non-detachable reaction frame, because sand amount volume is large and Heavy Weight, thereby when sandbox lift and moving to reaction frame, hoisting process operation inconvenience, needs spend plenty of time and energy.Thereby, for meeting the precompressed demand of amount of drift sand substantially, need to design a kind of simple in structure, reasonable in design, easy accessibility and use detachable precompressed reaction frame for sandbox precompressed easy and simple to handle, that result of use is good, with the problem such as effectively solve the use operation inconvenience that exists when existing reaction frame carries out precompressed to large volume sandbox, waste time and energy.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, detachable precompressed reaction frame for a kind of sandbox precompressed is provided, it is simple in structure, reasonable in design, easy accessibility and use easy and simple to handle, result of use good, the use of existence operation inconvenience can solve existing reaction frame large volume sandbox is carried out to precompressed time, the problem such as waste time and energy.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: detachable precompressed reaction frame for a kind of sandbox precompressed, it is characterized in that: comprise top support body, bottom support body under the support body of top and be connected in top support body and bottom support body between vertical supporting structure, described top support body is arranged on described vertical supporting structure top, and described bottom support body is arranged on described vertical supporting structural base; Described top support body and bottom support body are all level to be laid, the structure of described top support body and bottom support body and size all identical and the two be assembling type frame body; Described assembling type frame body comprises multiple supporting seats that are parallel laying, multiple described supporting seats be all laid in same level and its structure all identical with size, each described supporting seat includes two symmetrical channel-section steels of laying, and two described channel-section steels are laid in same level and the two is parallel laying; Multiple described supporting seats top is provided with multiple upper steel plate stiffening rib and its bottoms that are parallel laying and is provided with multiple lower steel plate stiffening ribs that are parallel laying, multiple described upper steel plate stiffening ribs are all laid in same level, and multiple described lower steel plate stiffening ribs are all laid in same level, multiple described supporting seats are fastenedly connected and are integrated by multiple upper steel plate stiffening ribs and multiple lower steel plate stiffening rib; Described upper steel plate stiffening rib is all vertical laying with channel-section steel with lower steel plate stiffening rib; In described assembling type frame body, the quantity of multiple described supporting seats is N, described vertical supporting structure comprises that N row is arranged on respectively the vertical supporting post on multiple described supporting seats, the described vertical supporting post of every row includes two vertical supporting posts that are arranged on respectively described supporting seat both sides, gap in described supporting seat between two described channel-section steels is the installation passage passing for vertical supporting post, and wherein N is positive integer and N >=2; The bottom of every described vertical supporting post is provided with one bottom support body is carried out to spacing bottom locating part, and described bottom locating part is positioned at support body below, bottom; Every described vertical supporting post top is provided with one top support body is carried out to spacing position-limit mechanism, described position-limit mechanism comprises that a upper limit part that is positioned at top support body top and one are positioned at the lower limit part of support body below, top, described upper limit part be positioned at described lower limit part directly over and the two be installed on described vertical supporting post.
Above-mentioned detachable precompressed reaction frame for a kind of sandbox precompressed, is characterized in that: multiple described supporting seats are laid from front to back and it is even laying, and multiple described upper steel plate stiffening ribs and multiple described lower steel plate stiffening rib are all laid from left to right.
Above-mentioned detachable precompressed reaction frame for a kind of sandbox precompressed, is characterized in that: structure and the size of multiple described upper steel plate stiffening ribs and multiple described lower steel plate stiffening ribs are all identical, and described upper steel plate stiffening rib and lower steel plate stiffening rib are rectangular steel plates.
Above-mentioned detachable precompressed reaction frame for a kind of sandbox precompressed, is characterized in that: the thickness of described rectangular steel plates is that 0.8cm～1.5cm and its width are 20cm～30cm, and the spacing between adjacent two the described rectangular steel plates in left and right is 2cm～5cm.
Above-mentioned detachable precompressed reaction frame for a kind of sandbox precompressed, it is characterized in that: multiple described upper steel plate stiffening ribs and multiple described lower steel plate stiffening rib are all even laying, multiple described lower steel plate stiffening ribs are identical with the quantity of multiple described upper steel plate stiffening ribs, and multiple described lower steel plate stiffening rib be laid in respectively multiple described upper steel plate stiffening ribs under.
Above-mentioned detachable precompressed reaction frame for a kind of sandbox precompressed, is characterized in that: described vertical supporting post is fining twisted steel, the gap width between two described channel-section steels is not less than the diameter of described fining twisted steel.
Above-mentioned detachable precompressed reaction frame for a kind of sandbox precompressed, is characterized in that: described bottom locating part, described upper limit part and described lower limit part are the stop nut being arranged on described fining twisted steel.
Above-mentioned detachable precompressed reaction frame for a kind of sandbox precompressed, it is characterized in that: between described bottom locating part and bottom support body and between top support body and described upper limit part and described lower limit part, all pad backing plate is housed, described backing plate is that square plate and its front and back are greater than two gap widths between described channel-section steel to width.
Above-mentioned detachable precompressed reaction frame for a kind of sandbox precompressed, it is characterized in that: N=3, in described vertical supporting structure, the quantity of vertical supporting post is 6,6 described vertical supporting posts divide three row's two row to lay, and multiple described upper steel plate stiffening ribs and multiple described lower steel plate stiffening rib are all between the described vertical supporting post of two row; Described assembling type frame body also comprises two sides that lay respectively at the described vertical supporting post of two row outside floor of putting more energy into, described side put more energy into floor and upper steel plate stiffening rib be parallel laying and its be fixed on multiple described supporting seats above or below.
Above-mentioned detachable precompressed reaction frame for a kind of sandbox precompressed, is characterized in that: the height of described vertical supporting post is greater than 15m, and the length of described channel-section steel is that 10m～15m and its are highly 25cm～35cm; Between described supporting seat and upper steel plate stiffening rib and lower steel plate stiffening rib, be all fixedly connected with welding manner.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and processing and fabricating is easy, input cost is lower.
2, easy accessibility, connects by many fining twisted steels between top support body and bottom support body, and the installation site of top support body and bottom support body undertaken spacingly by multiple stop nuts, thereby installation site is easy to adjust, and dismounting is simple.
3, adopt the reasonable in design of top support body and bottom support body and overall steadiness good, can meet the pre-pressure request of large volume sandbox, and precompressed process safety is reliable.
4, use easy and simple to handlely, top support body convenient disassembly, can easy lifting and the precompressed process that completes large volume sandbox, time saving and energy saving.
5, result of use is good and practical value is high, can be easy, complete large volume sandbox precompressed process fast, and the use operation inconvenience of existence can effectively solve existing reaction frame large volume sandbox is carried out to precompressed time, the problem such as waste time and energy.
In sum, the utility model is simple in structure, reasonable in design, easy accessibility and use easy and simple to handle, result of use good, the use of existence operation inconvenience can solve existing reaction frame large volume sandbox is carried out to precompressed time, the problem such as waste time and energy.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the left view of Fig. 2.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the put more energy into installation position schematic diagram of floor of the utility model side.
Description of reference numerals:
1-top support body; 2-bottom support body; 3-vertical supporting post;
4-1-channel-section steel; 4-2-upper steel plate stiffening rib; 4-3-lower steel plate stiffening rib;
5-stop nut; 6-backing plate; 7-side floor of putting more energy into.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the utility model comprise top support body 1, bottom support body 2 under top support body 1 and be connected in top support body 1 and bottom support body 2 between vertical supporting structure, described top support body 1 is arranged on described vertical supporting structure top, and described bottom support body 2 is arranged on described vertical supporting structural base.Described top support body 1 and bottom support body 2 are all level to be laid, the structure of described top support body 1 and bottom support body 2 and size all identical and the two be assembling type frame body; Described assembling type frame body comprises multiple supporting seats that are parallel laying, multiple described supporting seats be all laid in same level and its structure all identical with size, each described supporting seat includes two symmetrical channel-section steel 4-1 that lay, and two described channel-section steel 4-1 are laid in same level and the two is parallel laying.Multiple described supporting seats top is provided with multiple upper steel plate stiffening rib 4-2 and its bottoms that are parallel laying and is provided with multiple lower steel plate stiffening rib 4-3 that are parallel laying, multiple described upper steel plate stiffening rib 4-2 are all laid in same level, and multiple described lower steel plate stiffening rib 4-3 are all laid in same level, multiple described supporting seats are fastenedly connected and are integrated by multiple upper steel plate stiffening rib 4-2 and multiple lower steel plate stiffening rib 4-3.Described upper steel plate stiffening rib 4-2 is all vertical laying with channel-section steel 4-1 with lower steel plate stiffening rib 4-3.In described assembling type frame body, the quantity of multiple described supporting seats is N, described vertical supporting structure comprises that N row is arranged on respectively the vertical supporting post 3 on multiple described supporting seats, the described vertical supporting post 3 of every row includes two vertical supporting posts 3 that are arranged on respectively described supporting seat both sides, gap in described supporting seat between two described channel-section steel 4-1 is the installation passage passing for vertical supporting post 3, and wherein N is positive integer and N >=2.The bottom of every described vertical supporting post 3 is provided with one bottom support body 2 is carried out to spacing bottom locating part, and described bottom locating part is positioned at bottom support body 2 belows.Every described vertical supporting post 3 tops are provided with one top support body 1 are carried out to spacing position-limit mechanism, described position-limit mechanism comprises that a upper limit part that is positioned at top support body 1 top and one are positioned at the lower limit part of top support body 1 below, described upper limit part be positioned at described lower limit part directly over and the two be installed on described vertical supporting post 3.
Actually add man-hour, described supporting seat is assembled dorsad by two described channel-section steel 4-1.
In the present embodiment, multiple described supporting seats are laid from front to back and it is even laying, and multiple described upper steel plate stiffening rib 4-2 and multiple described lower steel plate stiffening rib 4-3 all lay from left to right.
Actually add man-hour, structure and the size of multiple described upper steel plate stiffening rib 4-2 and multiple described lower steel plate stiffening rib 4-3 are all identical, and described upper steel plate stiffening rib 4-2 and lower steel plate stiffening rib 4-3 are rectangular steel plates.The thickness of described rectangular steel plates is that 0.8cm～1.5cm and its width are 20cm～30cm, and the spacing between adjacent two the described rectangular steel plates in left and right is 2cm～5cm.
In the present embodiment, the thickness of described rectangular steel plates is that 1cm and its width are 25cm, and the spacing between adjacent two the described rectangular steel plates in left and right is 3.5cm.
In the present embodiment, multiple described upper steel plate stiffening rib 4-2 and multiple described lower steel plate stiffening rib 4-3 are all even laying, multiple described lower steel plate stiffening rib 4-3 are identical with the quantity of multiple described upper steel plate stiffening rib 4-2, and multiple described lower steel plate stiffening rib 4-3 be laid in respectively multiple described upper steel plate stiffening rib 4-2 under.
In the present embodiment, described vertical supporting post 3 is fining twisted steel, and the gap width between two described channel-section steel 4-1 is not less than the diameter of described fining twisted steel.
Described bottom locating part, described upper limit part and described lower limit part are the stop nut 5 being arranged on described fining twisted steel.In the present embodiment, between described bottom locating part and bottom support body 2 and between top support body 1 and described upper limit part and described lower limit part, all pad backing plate 6 is housed, described backing plate 6 is that square plate and its front and back are greater than two gap widths between described channel-section steel 4-1 to width.
In the present embodiment, the diameter of described fining twisted steel is Φ 32mm.Described backing plate 6 is 60mm for square and its length and width, and the thickness of described backing plate 6 is 1cm.
In the present embodiment, the gap width between two described channel-section steel 4-1 is 3.5cm～4cm.
Actually add man-hour, can be according to specific needs, the gap width between diameter, two described channel-section steel 4-1 to described fining twisted steel and the size of backing plate 6 adjust accordingly.
In the present embodiment, N=3, in described vertical supporting structure, the quantity of vertical supporting post 3 is 6, and 3 point of three row of 6 described vertical supporting posts, two row are laid, and multiple described upper steel plate stiffening rib 4-2 and multiple described lower steel plate stiffening rib 4-3 are all between the described vertical supporting post 3 of two row.In conjunction with Fig. 4, described assembling type frame body also comprises two sides that lay respectively at the described vertical supporting post of two row 3 outsides floor 7 of putting more energy into, described side put more energy into floor 7 and upper steel plate stiffening rib 4-2 be parallel laying and its be fixed on multiple described supporting seats above or below.
When actual use, can according to specific needs, the value size of N be adjusted accordingly.In the present embodiment, the described side floor 7 of putting more energy into is all being fixedly connected with welding manner above multiple described supporting seats and between itself and multiple described supporting seat.In the present embodiment, described side is put more energy into floor 7 for strip steel plate, and the length of described strip steel plate is identical with the length of described rectangular steel plates, and the width of described strip steel plate is that 5cm and its thickness are 1cm.
In the present embodiment, the height of described vertical supporting post 3 is greater than 15m, and the length of described channel-section steel 4-1 is that 10m～15m and its are highly 25cm～35cm; Between described supporting seat and upper steel plate stiffening rib 4-2 and lower steel plate stiffening rib 4-3, be all fixedly connected with welding manner.
When practice of construction, use procedure of the present utility model is as follows:
The first step, on the smooth ground of sclerosis, place 3 backing plates, and ensure that 3 backing plates are all in level;
Second step, bottom support body and fining twisted steel are installed: bottom support body 2 is lain against on 3 described backing plates, for increasing the stress surface of bottom support body 2, keep flat a square steel plate on bottom support body 2; Meanwhile, many described fining twisted steels are installed on bottom support body 2, and are adopted described bottom locating part to carry out spacing to bottom support body 2; Described square steel plate is level laying and its thickness is 1cm, and length and the width of described square steel plate are 50cm;
The 3rd step, sandbox hang: adopt hanging device will need precompressed sandbox sling and be placed on described square steel plate, and ensure need precompressed sandbox be positioned at described square steel plate directly over;
The 4th step, fining twisted steel straightening and lower limit part are installed: by after mounted many described fining twisted steel straightening, top support body 1 is carried out to spacing lower limit part and install, and guarantee that all lower limit parts of installing on many described fining twisted steels are all in same level;
The 5th step, top erection of frames: adopt hanging device top support body 1 is sling and be installed to many described fining twisted steel tops, and after leveling, described upper limit part is installed;
The 6th step, adopt and be arranged on water booster system on top support body 1 to needing precompressed sandbox to carry out precompressed, and after precompressed completes, remove described upper limit part, and the top support body 1 of slinging, and then the sandbox that completes of lifting precompressed.
In actual use procedure, while adopting the utility model to carry out precompressed to multiple sandboxs, only need repeatedly repeat the 3rd step to the six steps, by repeated disassembled and assembled top support body 1, just can complete the precompressed process of multiple sandboxs.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. a detachable precompressed reaction frame for sandbox precompressed, it is characterized in that: comprise top support body (1), be positioned at the bottom support body (2) under top support body (1) and be connected in top support body (1) the vertical supporting structure between bottom support body (2), described top support body (1) is arranged on described vertical supporting structure top, and described bottom support body (2) is arranged on described vertical supporting structural base; Described top support body (1) and bottom support body (2) are all level to be laid, the structure of described top support body (1) and bottom support body (2) and size all identical and the two be assembling type frame body; Described assembling type frame body comprises multiple supporting seats that are parallel laying, multiple described supporting seats be all laid in same level and its structure all identical with size, each described supporting seat includes two symmetrical channel-section steels (4-1) of laying, and two described channel-section steels (4-1) are laid in same level and the two is parallel laying; Multiple described supporting seats top is provided with multiple upper steel plate stiffening rib (4-2) and its bottoms that are parallel laying and is provided with multiple lower steel plate stiffening ribs (4-3) that are parallel laying, multiple described upper steel plate stiffening ribs (4-2) are all laid in same level, and multiple described lower steel plate stiffening ribs (4-3) are all laid in same level, multiple described supporting seats are fastenedly connected and are integrated by multiple upper steel plate stiffening ribs (4-2) and multiple lower steel plate stiffening rib (4-3); Described upper steel plate stiffening rib (4-2) is all vertical laying with channel-section steel (4-1) with lower steel plate stiffening rib (4-3); In described assembling type frame body, the quantity of multiple described supporting seats is N, described vertical supporting structure comprises that N row is arranged on respectively the vertical supporting post (3) on multiple described supporting seats, the described vertical supporting post of every row (3) includes two vertical supporting posts (3) that are arranged on respectively described supporting seat both sides, the installation passage of gap in described supporting seat between two described channel-section steels (4-1) for passing for vertical supporting post (3), wherein N is positive integer and N >=2; The bottom of every described vertical supporting post (3) is provided with one bottom support body (2) is carried out to spacing bottom locating part, and described bottom locating part is positioned at bottom support body (2) below; Every described vertical supporting post (3) top is provided with one top support body (1) is carried out to spacing position-limit mechanism, described position-limit mechanism comprises that a upper limit part that is positioned at top support body (1) top and one are positioned at the lower limit part of top support body (1) below, described upper limit part be positioned at described lower limit part directly over and the two be installed on described vertical supporting post (3).
2. according to detachable precompressed reaction frame for a kind of sandbox precompressed claimed in claim 1, it is characterized in that: multiple described supporting seats are laid from front to back and it is even laying, multiple described upper steel plate stiffening ribs (4-2) and multiple described lower steel plate stiffening ribs (4-3) are all laid from left to right.
3. according to the detachable precompressed reaction frame for a kind of sandbox precompressed described in claim 1 or 2, it is characterized in that: structure and the size of multiple described upper steel plate stiffening ribs (4-2) and multiple described lower steel plate stiffening ribs (4-3) are all identical, described upper steel plate stiffening rib (4-2) and lower steel plate stiffening rib (4-3) are rectangular steel plates.
4. according to detachable precompressed reaction frame for a kind of sandbox precompressed claimed in claim 3, it is characterized in that: the thickness of described rectangular steel plates is that 0.8cm～1.5cm and its width are 20cm～30cm, the spacing between adjacent two the described rectangular steel plates in left and right is 2cm～5cm.
5. according to the detachable precompressed reaction frame for a kind of sandbox precompressed described in claim 1 or 2, it is characterized in that: multiple described upper steel plate stiffening ribs (4-2) and multiple described lower steel plate stiffening ribs (4-3) are all even laying, multiple described lower steel plate stiffening ribs (4-3) are identical with the quantity of multiple described upper steel plate stiffening ribs (4-2), and multiple described lower steel plate stiffening ribs (4-3) be laid in respectively multiple described upper steel plate stiffening ribs (4-2) under.
6. according to the detachable precompressed reaction frame for a kind of sandbox precompressed described in claim 1 or 2, it is characterized in that: described vertical supporting post (3) is fining twisted steel, and the gap width between two described channel-section steels (4-1) is not less than the diameter of described fining twisted steel.
7. according to detachable precompressed reaction frame for a kind of sandbox precompressed claimed in claim 6, it is characterized in that: described bottom locating part, described upper limit part and described lower limit part are the stop nut (5) being arranged on described fining twisted steel.
8. according to detachable precompressed reaction frame for a kind of sandbox precompressed claimed in claim 7, it is characterized in that: between described bottom locating part and bottom support body (2) and between top support body (1) and described upper limit part and described lower limit part, all pad backing plate (6) is housed, described backing plate (6) is that square plate and its front and back are greater than the gap width between two described channel-section steels (4-1) to width.
9. according to the detachable precompressed reaction frame for a kind of sandbox precompressed described in claim 1 or 2, it is characterized in that: N=3, in described vertical supporting structure, the quantity of vertical supporting post (3) is 6,6 described vertical supporting posts (3) point three row's two row are laid, and multiple described upper steel plate stiffening ribs (4-2) and multiple described lower steel plate stiffening ribs (4-3) are all positioned between the two described vertical supporting posts of row (3); Described assembling type frame body also comprises two sides that lay respectively at the two described vertical supporting posts of row (3) outsides floor (7) of putting more energy into, described side put more energy into floor (7) and upper steel plate stiffening rib (4-2) be parallel laying and its be fixed on multiple described supporting seats above or below.
10. according to the detachable precompressed reaction frame for a kind of sandbox precompressed described in claim 1 or 2, it is characterized in that: the height of described vertical supporting post (3) is greater than 15m, the length of described channel-section steel (4-1) is that 10m～15m and its are highly 25cm～35cm; Between described supporting seat and upper steel plate stiffening rib (4-2) and lower steel plate stiffening rib (4-3), be all fixedly connected with welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420457205.8U CN204000633U (en) | 2014-08-14 | 2014-08-14 | A kind of sandbox detachable precompressed reaction frame for precompressed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420457205.8U CN204000633U (en) | 2014-08-14 | 2014-08-14 | A kind of sandbox detachable precompressed reaction frame for precompressed |
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| CN204000633U true CN204000633U (en) | 2014-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867402A (en) * | 2018-08-30 | 2018-11-23 | 中铁大桥局集团有限公司 | A kind of sand cylinder prepressing device and preloading method |
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2014
- 2014-08-14 CN CN201420457205.8U patent/CN204000633U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867402A (en) * | 2018-08-30 | 2018-11-23 | 中铁大桥局集团有限公司 | A kind of sand cylinder prepressing device and preloading method |
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| 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: 20141210 Termination date: 20160814 |