CN109610467B - Steel support movable head - Google Patents
Steel support movable head Download PDFInfo
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- CN109610467B CN109610467B CN201811329779.6A CN201811329779A CN109610467B CN 109610467 B CN109610467 B CN 109610467B CN 201811329779 A CN201811329779 A CN 201811329779A CN 109610467 B CN109610467 B CN 109610467B
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- steel support
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 230000007704 transition Effects 0.000 claims description 23
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a steel support movable head, and belongs to the technical field of construction. A steel support movable head comprises a movable part, a fixed part and a screw rod; according to the invention, the clamping groove is formed in the movable part, the through hole is formed in the fixed part, one end of the screw rod is clamped in the clamping groove, and the other end of the screw rod passes through the through hole and is fixed in the fixed part through the supporting nut and the supporting sleeve, so that the movable part and the fixed part are connected in series to form an adjustable whole through the screw rod, the problems of loose sliding and incomplete supporting are effectively prevented, the safety is higher, meanwhile, the use conditions of pressure and tensile force can be met, the safety is higher, the use range can be enlarged, the limit of the use conditions is eliminated, and meanwhile, the safety of supporting operation is ensured by adjusting the positions of the supporting nut and the supporting sleeve through the action of the screw rod, and the safety is further improved.
Description
Technical Field
The invention relates to the technical field of foundation construction, in particular to a steel support movable head.
Background
In the infrastructure, along with the maturation of technology and the development direction of urban planning, the infrastructure is continuously pushed to underground space, such as subway construction, pipe gallery, civil foundation pit and the like, and the steel support is often used in the infrastructure.
In the steel support system, the steel support is often required to be connected through the loose head, and the rationality of the structure of the loose head directly influences the stability of the whole support system. At present, the steel support comprises a movable part and a fixed part, when the steel support is installed, after the movable part is lifted off the fixed part by utilizing a hydraulic jack, a rectangular iron block is plugged in the middle of the movable part and the fixed part to be filled, and a gap between the movable part and the fixed part is filled after being knocked by mutually inverting two right-angle trapezoids, so that the steel support is easy to bear dynamic load to cause the problem of loose sliding of a stopper when construction equipment around a foundation pit frequently acts. And the problem that the contact surface of the stopper iron cannot be completely tightly pressed due to the fact that the fixed part and the movable part of the existing movable head are excessively positioned under the gravity interference exists, so that a large safety risk exists. The existing movable head is of an independent structure, so that the movable head can only bear pressure and cannot bear tensile force, and cannot be used as a first support, and the application range is limited.
In summary, the existing movable head for steel support has the problems of poor safety performance and single stress direction.
Disclosure of Invention
The movable part and the fixed part are connected in series by a screw rod, one end of the screw rod is detachably clamped on the movable part through a clamping groove on the movable part, the other end of the screw rod is detachably connected with the fixed part through a double-bracing nut and a jacking sleeve, a cavity is arranged in the fixed part to be used for placing supporting equipment such as a hydraulic jack, and the installation of the steel support is realized through the cooperation of the jacking equipment, so that the movable part and the fixed part form an adjustable whole, the safety is improved, the movable part can be pressed and pulled, the problem that the current movable part for the steel support is poor in safety performance and limited in application range due to single stress direction is solved, and the safety of supporting operation can be ensured by adjusting the positions of the bracing nut and the jacking sleeve, so that the safety is further improved.
The specific technical scheme is as follows:
a steel support articulating head having the features comprising: the movable part, the fixed part and the screw rod, wherein,
the movable part comprises a first end plate, a shaft shoulder hanging plate and a counter top plate, the first end plate, the shaft shoulder hanging plate and the counter top plate are sequentially parallel and are arranged at intervals in a vertical plane, wherein the width of the shaft shoulder hanging plate is larger than that of the counter top plate, clamping grooves with openings are formed in two sides of the shaft shoulder hanging plate along the width direction, and reinforcing plates are arranged on two sides of the shaft shoulder hanging plate and are respectively connected and fixed with the first end plate and the counter top plate through the reinforcing plates;
the fixing part comprises a bottom plate, a top plate, a force supporting plate, a transition plate and a second end plate, wherein the top plate is arranged above the bottom plate in parallel and at intervals in a horizontal plane, the force supporting plate, the transition plate and the second end plate which are parallel and at intervals are sequentially arranged between the top plate and the bottom plate and in a vertical plane, and through holes corresponding to the clamping grooves are formed in two sides of the force supporting plate along the width direction;
the screw rod comprises a rod body, a supporting force nut and a supporting force sleeve, wherein a circle of annular groove is formed in the outer wall of one end of the rod body, a shaft head, a shaft neck and a shaft tail are formed in the outer wall of the end of the rod body, the shaft neck is clamped in the clamping groove, the shaft tail stretches into the through hole, the shaft tail is sequentially connected with the two supporting force nuts and the supporting force sleeve in a screwed mode, the two supporting force nuts are respectively located on two sides of the supporting force plate, and meanwhile one end of the supporting force sleeve abuts against the transition plate.
The steel support movable head comprises a first end plate, wherein one side, close to a shaft shoulder hanging plate, of the first end plate is provided with a reinforcing structure facing the shaft shoulder hanging plate, the reinforcing structure is a reinforcing plate which is perpendicular to each other, a gap is formed between one end of the reinforcing structure and the shaft shoulder hanging plate, and the gap is consistent with the length of the shaft head.
The steel support movable head is characterized in that a guide movable plate facing the direction of the top plate is arranged below the shaft shoulder hanging plate, and the guide movable plate extends to one side, facing away from the shaft shoulder hanging plate, of the top plate.
The steel support movable head comprises a base plate, wherein a plurality of guide fixing plates are arranged on the base plate, the guide fixing plates are parallel to the supporting plates at intervals, movable holes are formed in the guide fixing plates and the supporting plates, and the guide movable plates are sequentially inserted into the movable holes.
The steel support movable head comprises a support force plate, a support jacking hole is formed in the support force plate and located between the two through holes, an oil jacking supporting plate with an arc-shaped groove is arranged on the middle of the bottom plate and located in the bottom plate, and the support jacking hole and the arc-shaped groove are located on the same straight line along the direction from the support force plate to the transition plate.
The steel support movable head is characterized in that a plurality of reinforcing plates are arranged between the transition plate and the second end plate.
The steel support movable head comprises a left top plate and a right top plate which are symmetrical to each other, wherein the left top plate and the right top plate are arranged at intervals, and the oil top carriage is positioned in a gap between the left top plate and the right top plate in the vertical direction.
The steel support movable head is characterized in that an extending sliding cover plate is arranged above the shaft shoulder hanging plate, the sliding cover plate is parallel to the guiding movable plate, and the extending direction of the sliding cover plate is consistent with the extending direction of the guiding movable plate.
The steel support movable head is characterized in that the upper covers of the left top plate and the right top plate are provided with fixed cover plates, and when the movable part is connected with the fixed part, the sliding cover plates are arranged above the fixed cover plates and cover the fixed cover plates.
The steel support movable head is characterized in that the supporting equipment is arranged on the oil top supporting plate, and the shell part of the supporting equipment is embedded in the arc-shaped groove.
The technical scheme has the positive effects that:
the movable part and the fixed part are connected in series to form a detachable whole through the screw rod, the screw rod can be used for adjusting the movable part and the fixed part, the installation of the steel support is realized, meanwhile, the problems of loose sliding and incomplete jacking can be prevented, the safety is higher, meanwhile, the use conditions of pressure and tensile force can be met, the safety is higher, the use range can be expanded, the limit of the use conditions is eliminated, and meanwhile, the micro-gap between the movable part and the fixed part can be adjusted through the action of the screw rod, so that the safety of propping operation is ensured, and the safety is further improved.
Drawings
FIG. 1 is a block diagram of an embodiment of a steel support articulating head of the invention;
FIG. 2 is a half cross-sectional view of a preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B in FIG. 2;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 2;
FIG. 7 is a cross-sectional view taken along line E-E of FIG. 2;
fig. 8 is a structural view of a first end plate or a second end plate according to a preferred embodiment of the present invention.
In the accompanying drawings: 1. a movable part; 11. a first end plate; 12. a shoulder hanging plate; 13. a top plate is opposite; 14. a reinforcing structure; 15. guiding the movable plate; 16. sliding the cover plate; 121. a clamping groove; 2. a fixing part; 21. a bottom plate; 22. a top plate; 23. a force supporting plate; 24. a transition plate; 25. a second end plate; 26. a guide fixing plate; 27. fixing the cover plate; 28. an oil top pallet; 221. a left top plate; 222. a right top plate; 231. a through hole; 232. supporting the jack; 261. a movable hole; 281. an arc-shaped groove; 3. a screw rod; 31. a rod body; 32. a bracing nut; 33. a pushing sleeve; 311. a shaft head; 312. a journal; 313. a shaft tail; 4. reinforcing plate.
Detailed Description
In order to make the technical means, the creation features, the achievement of the purposes and the effects of the present invention easy to understand, the following embodiments specifically describe the technical solutions provided by the present invention with reference to fig. 1 to 8, but the following disclosure is not limited to the present invention.
FIG. 1 is a block diagram of an embodiment of a steel support articulating head of the invention; fig. 2 is a half cross-sectional view of a preferred embodiment of the present invention. As shown in fig. 1 and 2, the steel support loose head provided in this embodiment includes: the movable part 1 and the fixed part 2 and the screw rod 3, wherein the movable part 1 and the fixed part 2 are oppositely arranged, the screw rod 3 is arranged between the movable part 1 and the fixed part 2, one end of the screw rod 3 is detachably arranged on the movable part 1, the other end of the screw rod 3 is detachably arranged on the fixed part 2, the movable part 1 and the fixed part 2 of the movable head are connected in series to form a whole, the problems of loose sliding and incomplete jacking are prevented, the safety is higher, meanwhile, the use conditions of pressure and tensile force can be met, the safety is higher, the use range can be enlarged, and the limit of the use conditions is eliminated.
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1; fig. 4 is a cross-sectional view taken along line B-B in fig. 1. As shown in fig. 1 to 4, the movable portion 1 includes a first end plate 11, a shoulder hanging plate 12 and a pair of top plates 13, in a vertical plane, the first end plate 11, the shoulder hanging plate 12 and the pair of top plates 13 are sequentially parallel and are arranged at intervals, the first end plate 11 is one side far away from the fixed portion 2, the pair of top plates 13 is one side close to the fixed portion 2, wherein the width of the shoulder hanging plate 12 is greater than that of the pair of top plates 13, two sides of the shoulder hanging plate 12 along the width direction thereof are provided with clamping grooves 121 with openings, so that the pair of top plates 13 cannot interfere with the area where the clamping grooves 121 are located, the screw rod 3 is prevented from being blocked by the pair of top plates 13, in addition, the two sides of the shoulder hanging plate 12 are provided with reinforcing plates 4, and the shoulder hanging plate 12 is respectively connected and fixed with the first end plate 11 and the pair of top plates 13 through the reinforcing plates on the two sides, the first end plate 11, the shoulder hanging plate 12 and the pair of top plates 13 are formed into a high-strength whole body, and the bearing capacity is stronger.
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 1; FIG. 6 is a cross-sectional view taken along line D-D of FIG. 1; fig. 7 is a cross-sectional view taken along line E-E in fig. 1. As shown in fig. 1, fig. 2, fig. 5, fig. 6 and fig. 7, the fixed portion 2 includes a bottom plate 21, a top plate 22, a supporting plate 23, a transition plate 24 and a second end plate 25, in the horizontal plane, the top plate 22 is parallel and spaced above the bottom plate 21, parallel and spaced supporting plates 23, transition plates 24 and second end plates 25 are sequentially disposed between the top plate 22 and the bottom plate 21 and in the vertical plane, when the fixed portion 2 and the movable portion 1 are matched, the supporting plate 23 is located at one side close to the movable portion 1, the second end plate 25 is located at one side far from the movable portion 1, so that the bottom plate 21, the supporting plate 23, the transition plate 24 and the top plate 22 form a frame structure with a cavity, an installation space is provided for placing supporting equipment in the fixed portion 2, and two sides of the supporting plate 23 along the width direction are provided with through holes 231 corresponding to the clamping grooves 121, at two sides of the width direction of the supporting plate 23 are provided with through holes 231, so that a shoulder 12 and a clamping groove 23 are located on a horizontal direction and a straight line is connected to the screw rod 3.
As shown in fig. 1 to 7, the screw rod 3 includes a rod body 31, a supporting nut 32 and a supporting sleeve 33, a circle of annular groove is formed on the outer wall of one end of the rod body 31 and forms a shaft head 311, a shaft neck 312 and a shaft tail 313, the shaft neck 312 is clamped in a clamping groove 121 of the shaft shoulder hanging plate 12, the shaft tail 313 stretches into a through hole 231, two supporting nuts 32 and a supporting sleeve 33 are sequentially screwed on the shaft tail 313, the two supporting nuts 32 are respectively positioned on two sides of the supporting plate 23, whether the screw rod 3 and the supporting plate 23 are connected and fixed is achieved through whether the two supporting nuts 32 are screwed, meanwhile, one end of the supporting sleeve 33 can be abutted against the transition plate 24 through rotating the supporting sleeve 33, the connection of the screw rod 3 and the transition plate 24 is achieved, the force transmission among the supporting plate 23, the transition plate 24 and the screw rod 3 is achieved, the connection of the movable part 1 and the fixed part 2 is achieved, and the safety of the supporting operation can be further improved through adjusting the positions of the supporting nuts 32 and the supporting sleeve 33. And, when the movable head is pulled, the shaft shoulder of the shaft neck 312 is clamped in the clamping groove 121, so that the shaft head 311 is always positioned on one side of the shaft shoulder hanging plate 12 close to the first end plate 11, and the shaft tail 313 is fixed on one side of the supporting plate 23 close to the second end plate 25 through the supporting nut 32 and the supporting sleeve 33, so that the condition of tension is met, the movable head can be stressed and pulled, the safety is higher, the use range can be enlarged, and the limitation of the use condition is eliminated.
Fig. 8 is a structural view of the first end plate 11 or the second end plate 25 according to a preferred embodiment of the present invention. As shown in fig. 1, 2 and 3 and 8, the first end plate 11 and the second end plate 25 are provided with a plurality of connecting holes for connecting with other support and enclosing purlins through bolts, thereby realizing connection with the movable head.
Specifically, the surface on the first end plate 11 and near one side of the shoulder hanging plate 12 is provided with a reinforcing structure 14 facing the shoulder hanging plate 12, the reinforcing structure 14 is composed of reinforcing plates 4 which are arranged vertically to each other, a gap is formed between one end of the reinforcing structure 14 and the shoulder hanging plate 12, one end of the screw rod 3 can be abutted against the reinforcing structure 14 when being clamped in the clamping groove 121, and the direct transmission of force on the screw rod 3 and the first end plate 11 is realized, so that the pressure bearing capacity of the movable head is improved.
Specifically, the below of shoulder link plate 12 is provided with the direction fly leaf 15 towards roof 13 direction, wherein direction fly leaf 15 extends to the one side that deviates from shoulder link plate 12 to roof 13, and direction fly leaf 15 is located the below to roof 13, the accessible is directed to the direction of moving part 1 when installation on fixed part 2 with the combination realization of the part on the fixed part 2, the structure is more reasonable, simultaneously, can be offered the screw thread locking hole on direction fly leaf 15, realize the fixed connection of direction fly leaf 15 on fixed part 2 through screw thread fastener, improve the joint strength of moving part 1 and fixed part 2.
Specifically, be provided with a plurality of direction fixed plates 26 on the bottom plate 21, direction fixed plate 26 and prop the parallel and interval setting of power board 23, all offered movable hole 261 on direction fixed plate 26 and the power board 23, in each movable hole 261 was located in proper order to the direction fly leaf 15, the accessible direction fly leaf 15 inserted the direction of moving part 1 and the fixed part 2 during installation in the movable hole 261 on power board 23 and the direction fixed plate 26, and the structure is more reasonable, and stability is higher.
More specifically, prop the top hole 232 on the force board 23 and lie between two through holes 231, set up the oil top layer board 28 with arc recess 281 on the bottom plate 21 and lie in the middle part of the bottom plate 21, and along prop the force board 23 to the direction of the transition board 24, prop the top hole 232 and arc recess 281 to lie in the same straight line, guarantee to place and prop the top equipment in the fixed part 2 after, the oil top layer board 28 is used for placing and prop the top equipment, and prop the shell part of the top equipment and inlay and locate in arc recess 281, prop the ejector pin of the top equipment and can stretch out from propping the hole 232 and support on the roof 13 of the movable part 1, the installation of the steel support of being convenient for and accomplishing and prop the top operation, the structure is more reasonable.
More specifically, the top plate 22 of the fixing portion 2 is composed of two mutually symmetrical left top plates 221 and right top plates 222, the left top plates 221 and the right top plates 222 are arranged at intervals, and the oil top carriage is located in a gap between the left top plates 221 and the right top plates 222 in the vertical direction, so that the dismounting of the propping device is facilitated, and meanwhile, the stress is more uniform.
More specifically, a sliding cover plate 16 extending out is arranged above the shaft shoulder hanging plate 12, the sliding cover plate 16 is arranged parallel to the guiding movable plate 15, and the extending direction of the sliding cover plate 16 is consistent with the extending direction of the guiding movable plate 15; meanwhile, the upper covers of the left top plate 221 and the right top plate 222 are provided with the fixed cover plate 27, and when the movable part 1 and the fixed part 2 are connected, the sliding cover plate 16 is arranged above the fixed cover plate 27 and covers the fixed cover plate 27, so that the protection of the inner structures and equipment of the movable end and the fixed end of the movable head is realized, and the safety and the security are higher.
As a preferred embodiment, a plurality of reinforcing plates 4 are arranged between the transition plate 24 and the second end plate 25, so that the connection strength between the transition plate 24 and the second end plate 25 is improved, the bearing capacity of the fixed end is improved, and the structure is firmer.
The working principle of the embodiment is as follows: when the first end plate 11 of the movable part 1 and other supporting and enclosing purlins are connected into a whole through bolts, the propping device is placed on the oil top supporting plate 28 of the fixed part 2 and started, and the ejector rod of the propping device extends out of the propping hole 232 and acts on the opposite top plate 13 of the movable part 1, so that the whole movable part 1 is pushed to move in a direction away from the fixed part 2, and in the process, the propping nut 32 and the propping sleeve 33 are loosened, so that the rod body 31 of the screw rod 3 moves along with the movable part 1 under the action of the shaft head 311 and the shaft neck 312. When the propping equipment is forced to a set value, the propping nut 32 and the propping sleeve 33 are screwed tightly, so that the rod body 31 of the screw rod 3 is fixed on the propping plate 23 of the fixed part 2 through the two propping nuts 32, one end of the propping sleeve 33 is propped against the transition plate 24 of the fixed end, the force unloading of the propping equipment is realized, the axial force formed by the profile steel is transmitted to the screw rod 3 through the reinforcing structure 14 on the movable part 1, then is transmitted to the propping plate 23 and the transition plate 24 through the screw rod 3, and finally is transmitted to the second end plate 25 of the fixed part 2, and the external force is transmitted from the movable part 1 to the fixed part 2. When the support needs to be unloaded, the supporting device is firstly put in and started to a set value, then the supporting nut 32 and the supporting sleeve 33 are loosened, and then the supporting shaft force of the supporting device is unloaded, so that the operation is simple and convenient, and the safety is high.
And, when the supporting shaft force needs to be detected (the propping device needs to be always in the working state), the movable part 1 is pushed to move away from the fixed part 2 by the propping device until the propping device reaches a preset value, in the process, the propping nut 32 and the propping sleeve 33 are rotated, so that a certain gap is kept between the end of the shaft head 311 of the rod body 31 of the screw rod 3 and the reinforcing structure 14, preferably 1.5mm, then the propping nut 32 positioned on one side of the propping plate 23 close to the movable part 1 is adjusted and separated from the propping plate 23 by a certain distance, preferably 0.5mm, and meanwhile, the other propping nut 32 is adjusted to be close to the propping plate 23, and the propping sleeve 33 is adjusted to be abutted against the transition plate 24. When the propping equipment fails and loses axial thrust, the movable part 1 is pushed to one side of the fixed part 2 along with the action of the axial external force, and a certain gap is formed between the end part of the shaft head 311 of the rod body 31 of the screw rod 3 and the reinforcing structure 14, so that the movable part 1 is propped against the screw rod 3 after being pushed to the distance of the gap, the function of the movable head under the conventional condition is realized, the problem that the foundation pit displacement exceeds standard due to the axial shortening of the support is prevented, and the safety guarantee is higher.
The steel support movable head provided by the embodiment comprises a movable part 1, a fixed part 2 and a screw rod 3; through seting up draw-in groove 121 on movable part 1, be provided with through hole 231 on fixed part 2, and locate the one end card of lead screw 3 in draw-in groove 121, pass through hole 231 and be fixed in fixed part 2 through propping force nut 32 and top force sleeve 33 with the other end of lead screw 3 simultaneously, realized establishing ties movable part 1 and fixed part 2 into an adjustable whole through lead screw 3, effectively prevent to appear not hard up slipping and can not tight problem of tight, the security is higher, simultaneously, can also satisfy both the application condition that receives pressure and receive tensile, not only the security is higher, can also enlarge application range, eliminate the restriction of application condition, simultaneously, can also guarantee the safety of propping up the operation through the effect of lead screw 3, through adjusting the position of propping force nut 32 and top force sleeve 33, further promote the security.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (8)
1. A steel support articulating head, comprising: the movable part, the fixed part and the screw rod, wherein,
the movable part comprises a first end plate, a shoulder hanging plate and a pair of top plates, and in a vertical plane, the first end plate, the shoulder hanging plate and the pair of top plates are sequentially parallel and are arranged at intervals, wherein the width of the shoulder hanging plate is larger than that of the pair of top plates, clamping grooves with openings are formed in two sides of the shoulder hanging plate along the width direction, and reinforcing plates are arranged on two sides of the shoulder hanging plate and are respectively connected and fixed with the first end plate and the pair of top plates through the reinforcing plates;
the fixing part comprises a bottom plate, a top plate, a supporting plate, a transition plate and a second end plate, wherein in a horizontal plane, the top plate is arranged above the bottom plate in parallel and at intervals, the supporting plate, the transition plate and the second end plate which are parallel and spaced are sequentially arranged between the top plate and the bottom plate and in a vertical plane, and through holes corresponding to the clamping grooves are formed in two sides of the supporting plate along the width direction;
the screw rod comprises a rod body, a supporting nut and a pushing sleeve, wherein a circle of annular groove is formed in the outer wall of one end of the rod body, a shaft head, a shaft neck and a shaft tail are formed in the outer wall of one end of the rod body, the shaft neck is clamped in the clamping groove, the shaft tail stretches into the through hole, the shaft tail is sequentially connected with two supporting nuts and the pushing sleeve in a screwed manner, the two supporting nuts are respectively positioned on two sides of the supporting plate, and meanwhile one end of the pushing sleeve is propped against the transition plate;
a reinforcing structure facing the shaft shoulder hanging plate is arranged on one side, close to the shaft shoulder hanging plate, of the first end plate, the reinforcing structure is a reinforcing plate which is arranged vertically to each other, and a gap is formed between one end of the reinforcing structure and the shaft shoulder hanging plate;
a plurality of reinforcing plates are arranged between the transition plate and the second end plate.
2. The steel support articulating head of claim 1 wherein a guiding flap is provided below the shoulder strap toward the pair of top plates, wherein the guiding flap extends to a side of the pair of top plates facing away from the shoulder strap.
3. The steel support movable head according to claim 2, wherein a plurality of guide fixing plates are arranged on the bottom plate, the guide fixing plates are parallel to the supporting plates at intervals, movable holes are formed in the guide fixing plates and the supporting plates, and the guide movable plates are sequentially inserted into the movable holes.
4. The steel support movable head according to claim 3, wherein a supporting hole is further formed in the supporting plate and located between the two through holes, an oil top supporting plate with an arc-shaped groove is arranged on the bottom plate and located in the middle of the bottom plate, and the supporting hole and the arc-shaped groove are located on the same straight line along the direction from the supporting plate to the transition plate.
5. The steel support articulating head of claim 4 wherein the top plate is comprised of two mutually symmetrical left and right top plates, the left and right top plates being spaced apart and the oil top carriage being vertically positioned in the gap between the left and right top plates.
6. The steel support articulating head of claim 5, wherein a sliding cover plate is arranged above the shoulder hanging plate, the sliding cover plate is parallel to the guiding movable plate, and the extending direction of the sliding cover plate is consistent with the extending direction of the guiding movable plate.
7. The steel support articulating head of claim 6 wherein the left top plate and the right top plate upper cover are provided with a fixed cover plate, and wherein the sliding cover plate is disposed above and covers the fixed cover plate when the movable portion and the fixed portion are connected.
8. The steel bracing movable head according to claim 4 or 7, wherein a propping device is placed on the oil top supporting plate, and a shell part of the propping device is embedded in the arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811329779.6A CN109610467B (en) | 2018-11-09 | 2018-11-09 | Steel support movable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811329779.6A CN109610467B (en) | 2018-11-09 | 2018-11-09 | Steel support movable head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109610467A CN109610467A (en) | 2019-04-12 |
| CN109610467B true CN109610467B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811329779.6A Active CN109610467B (en) | 2018-11-09 | 2018-11-09 | Steel support movable head |
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| CN (1) | CN109610467B (en) |
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| CN104480946A (en) * | 2014-11-15 | 2015-04-01 | 北京工业大学 | Double-anchor-bearing adjusting device for supporting in foundation pit work and construction method |
| CN108166537A (en) * | 2017-12-20 | 2018-06-15 | 上海建工集团股份有限公司 | A kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation and control method |
| CN209144829U (en) * | 2018-11-09 | 2019-07-23 | 广州宏途设备工程有限公司 | A kind of novel segmented head of bracing members |
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| CN203144059U (en) * | 2013-04-03 | 2013-08-21 | 上海宏信设备工程有限公司 | Rear-jacking-supporting type adjustable head |
| CN203373752U (en) * | 2013-06-19 | 2014-01-01 | 上海宏信设备工程有限公司 | Large diameter steel support adjustable head |
| CN104480946A (en) * | 2014-11-15 | 2015-04-01 | 北京工业大学 | Double-anchor-bearing adjusting device for supporting in foundation pit work and construction method |
| CN108166537A (en) * | 2017-12-20 | 2018-06-15 | 上海建工集团股份有限公司 | A kind of mechanical regulation device of Brace in Deep Footing Groove axle power and its regulation and control method |
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| CN109610467A (en) | 2019-04-12 |
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