CN210239674U - Dismantled and assembled excavation rack - Google Patents
Dismantled and assembled excavation rack Download PDFInfo
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- CN210239674U CN210239674U CN201920667397.8U CN201920667397U CN210239674U CN 210239674 U CN210239674 U CN 210239674U CN 201920667397 U CN201920667397 U CN 201920667397U CN 210239674 U CN210239674 U CN 210239674U
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Abstract
The utility model discloses a dismantled and assembled excavation rack, include lower rack, go up rack, operation platform, be located the last rack leg in rack four corners and be located the lower rack leg in rack four corners down, go up rack leg lower extreme with lower rack leg top erection joint, it is provided with and is used for the joint to go up rack leg lower extreme lateral part the support ear of rack leg down, it all is provided with lower rack lateral part to go up the rack operation platform. Compared with the traditional construction method, the utility model has the advantages of simple structure, material saving and low manufacturing cost; the processing of one rack can simultaneously meet the construction of two construction methods, namely a full-section method and a step method, the trolley is quickly replaced, the rack can be repeatedly used, and the turnover rate is high; the upper rack and the lower rack can be hoisted and disassembled through existing equipment (a loader or an excavator) on site, and the use cost is low; go up rack and lower rack and pass through support ear and bolt fastening, guarantee rack firm in connection, ensure safe in utilizationly.
Description
Technical Field
The utility model relates to a tunnel excavation engineering field, concretely relates to dismantled and assembled excavation rack.
Background
In the tunnel construction process, due to the fact that surrounding rocks are changed continuously, the construction method needs to be adjusted continuously, due to the fact that the excavation heights of the full-section method and the step method are different, two racks with different heights need to be prepared in normal construction, space in a tunnel is occupied, materials are wasted, the two racks are limited by tunnel clearance, the front position and the rear position of the two racks cannot be replaced at any time, and the fact that the racks are difficult to replace when the construction method is changed is caused.
Chinese patent CN208024356U discloses a liftable formula tunnel excavation rack, including being located the lower work platform on rack structure top to and be located lower work platform top and with its parallel last work platform, go up and set up translation elevating system between work platform, the lower work platform, make and go up work platform production and rise or descend for the translation of lower work platform. The height of the operation rack is adjusted through the translation lifting mechanism to adapt to the operation heights in different construction methods, and the hydraulic lifting device is high in flexibility, strong in adaptability and good in economical efficiency. The translation elevating system of this patent is the fork structure of cutting commonly used, and the cooperation hydraulic cylinder realizes going up and down, and although this kind of structure flexibility is high, easy operation, but, the stability of this kind of structure is relatively poor, and the atress load is less, at the tunnel excavation in-process of high strength, very easily breaks down or damages, and the security is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective aims at providing a dismantled and assembled excavation rack, bears the load great, and stability, security are higher to in solving the tunnel construction process, need change the problem of excavation rack with adjustment operation height because construction method changes.
In order to realize the purpose, the technical scheme of the utility model is that: the utility model provides a dismantled and assembled excavation rack, includes lower rack, goes up rack, operation platform, is located the last rack leg in last rack four corners and is located the lower rack leg in lower rack four corners, go up rack leg lower extreme with rack leg top installation connection down, it is provided with and is used for the joint to go up rack leg lower extreme lateral part the support ear of rack leg down, it all is provided with lower rack lateral part to go up the rack operation platform.
Preferably, the upper and lower stand legs are hollow square steel legs, and the upper stand leg is sleeved inside the lower stand leg.
Preferably, the width of the outer part of the upper stand leg is equal to or slightly less than the width of the inner part of the lower stand leg, so that the connection between the upper stand leg and the lower stand leg is more stable, and the safety is improved.
Preferably, the support lug is an L-shaped lug, one end of the support lug is fixedly connected with the outer wall of the upper rack leg, the other end of the support lug is parallel to the upper rack leg and is vertically and downwards arranged, when the support lug is installed, the lower rack leg is located between the support lug and the upper rack leg, and the support lug can increase installation convenience and improve stability and safety.
Preferably, the number of the support ears is four, and the support ears are symmetrically arranged on four side faces of the upper rack leg, so that the mounting and fixing effects are more stable, the load borne by each support ear is reduced, and the safety is improved.
Preferably, support arms are arranged between the upper rack leg and the upper rack, between the lower rack leg and the lower rack, and between the operating platform and the upper rack or the lower rack, so that the structural stability is improved, and the safety is improved.
Preferably, two opposite side surfaces of the lower part of the upper rack leg and the upper part of the lower rack leg are provided with corresponding screw holes, and each screw hole is fixedly provided with a bolt for fixing the upper rack leg and the lower rack leg and matching with the support lug, so that the installation is stable and safe.
Preferably, the screw holes are formed in the four side faces of the lower portion of the upper rack leg and the upper portion of the lower rack leg, and the screw holes in the adjacent side faces are arranged up and down, so that the fixing effect is improved, and the stability and the safety are improved.
Preferably, the top end of the upper rack is provided with a hanging ring, so that the upper rack can be conveniently hoisted.
Preferably, the operating platforms are symmetrically arranged at two sides of the upper rack or the lower rack, so that the center of gravity of the whole is located at the center of the upper rack or the lower rack as far as possible, and the stability is improved.
The technical scheme of the utility model among, can be according to the required rack height of full section method and step method, divide into rack and lower rack two parts processing with the rack, the rack four legs adopts square steel processing, and the square steel model of going up the rack leg is slightly littleer than lower rack leg, guarantees that the rack leg can penetrate in the lower rack leg. When the site construction method is a full section method, the upper part of the rack can penetrate into the lower rack leg through the upper rack leg, and the two parts of the racks are connected into a whole through the supporting lug and the bolt, so that the site construction is met; when the site construction method is a step method, the bench can be disassembled into an upper bench and a lower bench which are respectively used for the construction of the upper step and the lower step. By the method, the same rack can meet the construction requirements of a full-section method and a step method, repeated processing is avoided, and materials are saved.
The utility model discloses the rack compares with current construction technology, beneficial effect as follows:
1. compared with the traditional construction method, the method saves materials. The construction of two construction methods, namely a full section method and a step method, can be simultaneously met by processing one rack;
2. the space in the tunnel is saved, and the trolley is replaced quickly when the construction method is changed: the single-line tunnel is small in self space, and a large amount of space in the tunnel needs to be occupied if two racks are prepared at the same time. Meanwhile, when the construction method is changed, the trolley is quickly and conveniently replaced;
3. the rack has simple and stable structure, low manufacturing cost, reusable rack and high turnover rate;
4. the upper rack and the lower rack can be hoisted and disassembled through existing equipment (a loader or an excavator) on site, the use cost is low, and workers can easily operate;
5. the use is safe: go up rack and lower rack and pass through support ear and bolt fastening, guarantee rack firm in connection, stability is high, ensures safe in utilization.
Drawings
Figure 1 is a front view of an embodiment of the utility model;
figure 2 is a side view of an embodiment of the invention;
FIG. 3 is a schematic structural view of the upper and lower racks after being disassembled according to the embodiment of the present invention;
FIG. 4 is a schematic view of a support ear according to an embodiment of the present invention;
FIG. 5 is a detail view of the junction of the upper and lower frame legs of the embodiment of the utility model;
the items in the figure are respectively: 1 lower rack, 2 lower racks, 3 operating platforms, 4 upper rack legs, 5 lower rack legs, 6 support lugs, 7 support arms, 8 screw holes, 9 bolts and 10 hoisting rings.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the following embodiments and accompanying drawings. It should be noted that the upper and lower equal position relationships are according to the state of the embodiment of the present invention when actually installed and used, and intuitively speaking, refer to fig. 1.
As shown in fig. 1-3, a detachable excavation rack comprises a lower rack 1, an upper rack 2, an operating platform 3, upper rack legs 4 located at four corners of the upper rack 2 and lower rack legs 5 located at four corners of the lower rack 1, wherein the lower ends of the upper rack legs 4 are connected with the top ends of the lower rack legs 5 in an installing manner, supporting lugs 6 used for being connected with the lower rack legs 5 in a clamping manner are arranged on the side portions of the lower ends of the upper rack legs 4, and the operating platform 3 is arranged on the side portions of the upper rack 2 and the lower rack 1.
In this embodiment, the upper rack leg and the upper rack, the lower rack leg and the lower rack, the support lug and the upper rack leg, and the operating platform and the upper rack or the lower rack are all fixedly installed and connected by welding.
The upper rack legs 4 and the lower rack legs 5 are hollow square steel legs, and the upper rack legs 4 are sleeved inside the lower rack legs 5. The external width of the upper rack leg 4 is equal to or slightly smaller than the internal width of the lower rack leg 5, so that the connection between the upper rack leg 4 and the lower rack leg 5 is more stable, and the safety is improved.
As shown in fig. 4, the supporting lug 6 is an L-shaped lug, one end of the supporting lug is fixedly connected to the outer wall of the upper rack leg 4, the other end of the supporting lug is parallel to the upper rack leg 4 and is vertically arranged downwards, when the supporting lug is installed, the lower rack leg 5 is located between the supporting lug 6 and the upper rack leg 4, and the supporting lug 6 can increase the installation convenience and improve the stability and the safety.
Furthermore, the four supporting lugs 6 are symmetrically arranged on the four side faces of the upper rack leg 4, so that the mounting and fixing effects are more stable, the load borne by each supporting lug 6 is reduced, and the safety is improved.
In this embodiment, support arms 7 are disposed between the upper stand legs 4 and the upper stand 2, between the lower stand legs 5 and the lower stand 1, and between the operation platform 3 and the upper stand 2 or the lower stand 1, so that the structural stability is improved, and the safety is improved.
As shown in fig. 5, corresponding screw holes 8 are formed in the lower portion of the upper rack leg 4 and the upper portion of the lower rack leg 5, a bolt 9 is fixedly mounted in each screw hole 8 and used for fixing the upper rack leg 4 and the lower rack leg 5, and the support lugs 6 are matched with each other, so that the installation is stable and safe.
Furthermore, four side surfaces of the lower part of the upper rack leg 4 and the upper part of the lower rack leg 5 are provided with the screw holes 8, and the screw holes 8 of the adjacent side surfaces are arranged up and down, so that the fixing effect is improved, and the stability and the safety are improved.
As shown in fig. 2, a lifting ring 10 is disposed at the top end of the upper rack 2, so that the upper rack 2 can be lifted conveniently.
In this embodiment, the operation platforms 3 are symmetrically disposed on two sides of the upper stage 2 or the lower stage 1, so that the center of gravity of the whole is located at the center of the upper stage 2 or the lower stage 1 as much as possible, thereby increasing stability.
In the technical scheme of this embodiment, can be according to the required rack height of full section method and step method, divide into rack 2 and 1 two parts processing of lower rack with the rack, the rack four legs adopts square steel processing, and the square steel model of going up rack leg 4 is slightly littleer than lower rack leg 5, guarantees to go up rack leg 4 and can wear in lower rack leg 5. When the site construction method is a full-section method, the upper rack 2 can penetrate into the lower rack leg 5 through the upper rack leg 4, and the two racks are connected into a whole through the support lug 6 and the bolt 9, so that site construction is met; when the site construction method is a step method, the bench can be disassembled into an upper bench 2 and a lower bench 1 which are respectively used for the construction of the upper step and the lower step. By the method, the same rack can meet the construction requirements of a full-section method and a step method, repeated processing is avoided, and materials are saved.
Claims (10)
1. The utility model provides a dismantled and assembled excavation rack which characterized in that: including lower rack, last rack, operation platform, be located the last rack leg in last rack four corners and be located the lower rack leg in lower rack four corners, go up rack leg lower extreme with rack leg top erection joint down, it is provided with and is used for the joint to go up rack leg lower extreme lateral part support ear of rack leg down, it all is provided with down the rack lateral part operation platform to go up the rack.
2. The removable excavation skid of claim 1, wherein: the upper rack leg and the lower rack leg are hollow square steel legs, and the upper rack leg is sleeved inside the lower rack leg.
3. The removable excavation skid of claim 2, wherein: the outer width of the upper stand leg is equal to or less than the inner width of the lower stand leg.
4. A removable excavation gantry of claim 1 or 3, wherein: the support lug is an L-shaped lug, one end of the support lug is fixedly connected with the outer wall of the upper rack leg, and the other end of the support lug is parallel to the upper rack leg and is vertically and downwards arranged.
5. The removable excavation bench of claim 4, wherein: the number of the supporting lugs is four, and the four supporting lugs are symmetrically arranged on four side faces of the upper rack leg.
6. A removable excavation skid according to claim 1 or 5, wherein: and supporting arms are arranged between the upper rack leg and the upper rack, between the lower rack leg and the lower rack, and between the operating platform and the upper rack or the lower rack.
7. A removable excavation skid according to claim 1 or 5, wherein: corresponding screw holes are formed in two opposite side faces of the lower portion of the upper rack leg and the upper portion of the lower rack leg, and bolts are fixedly mounted in each screw hole.
8. The removable excavation skid of claim 7, wherein: the four side surfaces of the lower part of the upper rack leg and the upper part of the lower rack leg are respectively provided with the screw holes, and the screw holes of the adjacent side surfaces are arranged up and down.
9. The removable excavation skid of claim 1, wherein: and a hanging ring is arranged at the top end of the upper rack.
10. The removable excavation skid of claim 1, wherein: the operation platforms are symmetrically arranged on two sides of the upper rack or the lower rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667397.8U CN210239674U (en) | 2019-05-10 | 2019-05-10 | Dismantled and assembled excavation rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667397.8U CN210239674U (en) | 2019-05-10 | 2019-05-10 | Dismantled and assembled excavation rack |
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| Publication Number | Publication Date |
|---|---|
| CN210239674U true CN210239674U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920667397.8U Active CN210239674U (en) | 2019-05-10 | 2019-05-10 | Dismantled and assembled excavation rack |
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| CN (1) | CN210239674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021579A1 (en) * | 2022-07-28 | 2024-02-01 | 三一重型装备有限公司 | Tunneling and anchoring integrated machine |
| RU2818651C1 (en) * | 2022-07-28 | 2024-05-03 | Сани Хэви Эквипмент Ко., Лтд. | Combined tunneling and anchoring machine |
-
2019
- 2019-05-10 CN CN201920667397.8U patent/CN210239674U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021579A1 (en) * | 2022-07-28 | 2024-02-01 | 三一重型装备有限公司 | Tunneling and anchoring integrated machine |
| RU2818651C1 (en) * | 2022-07-28 | 2024-05-03 | Сани Хэви Эквипмент Ко., Лтд. | Combined tunneling and anchoring machine |
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