CN110700628A - Steel bearing structure that stability is high - Google Patents
Steel bearing structure that stability is high Download PDFInfo
- Publication number
- CN110700628A CN110700628A CN201910849036.XA CN201910849036A CN110700628A CN 110700628 A CN110700628 A CN 110700628A CN 201910849036 A CN201910849036 A CN 201910849036A CN 110700628 A CN110700628 A CN 110700628A
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- CN
- China
- Prior art keywords
- bevel gear
- fixed pipe
- fixedly connected
- sliding
- rod
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
- E04G25/04—Shores or struts; Chocks telescopic
- E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
Abstract
The invention belongs to the technical field of constructional engineering equipment, and particularly relates to a high-stability steel supporting structure which comprises a fixed pipe and a sliding rod connected to the inner wall of the fixed pipe in a sliding manner, wherein the top end of the fixed pipe is in threaded connection with a fixing mechanism used for locking the sliding rod, the bottom end of the sliding rod is fixedly connected with a threaded connection block, and the threaded connection block is provided with two symmetrically-arranged sliding chutes; only need rotate the joint and just can realize the regulation to the slide bar, and simultaneously, the position of joint is lower, personnel's operation is comparatively convenient, and it is comparatively laborsaving, when the effective length stroke of adjustment slide bar is longer, step motor can be started, operating personnel is through trampling the footboard, the step motor that the connecting rod rotates on with the fixed plate upwards rises, make the second bevel gear and the meshing of transmission bevel gear of step motor output, step motor accessible transmission bevel gear drives the lead screw and rotates, thereby adjust the slide bar, and the governing speed is very fast, time saving and labor saving.
Description
Technical Field
The invention belongs to the technical field of constructional engineering equipment, and particularly relates to a steel supporting structure with high stability.
Background
Along with the continuous development of urban construction, the construction environment on the ground or underground is also complex and changeable, higher requirements are provided for the construction quality and safety, the steel support is a main component in the enclosure support of a large-scale steel structure beam, a subway foundation pit or a large-scale deep foundation pit, the structure of the steel support is suitable for both the safety technical requirements and the manufacturing, the existing steel supports are various in variety and different in structural form, the adjustable steel branch pipe is one of steel support structures and plays an important role in scaffold support, ceiling support and platform support, the adjustable steel branch pipe must act on a concrete structure or other rigid surfaces and cannot directly act on untreated soil layers, a base is arranged according to the design requirements, and preferably, pre-buried bolts or fixing bolts can be installed on the base to reduce the external interference (during no-load, artificial mechanical collision, artificial safety and the like, Wind load, etc.) to slip, collapse.
The regulation portion of original steel stay tube all is on the top of fixed pipe, and if the whole of steel stay tube is longer, then the fixed pipe length of steel stay tube is also longer, when adjusting, and operating personnel need stand the outside roll-off of eminence with the slip pipe, then fixes, and its quality is heavier, and if the length that the slip pipe stretches out is longer, personnel's operation wastes time and energy, then can lead to personnel's operation comparatively inconvenient, and the efficiency of installation fixed is lower.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a steel supporting structure with high stability, which has the characteristic of convenient adjustment.
In order to achieve the purpose, the invention provides the following technical scheme: a steel supporting structure with high stability comprises a fixed pipe and a sliding rod which is connected to the inner wall of the fixed pipe in a sliding mode, wherein a fixing mechanism used for locking the sliding rod is connected to the top end of the fixed pipe in a threaded mode, a threaded connection block is fixedly connected to the bottom end of the sliding rod, two sliding grooves which are symmetrically arranged are formed in the threaded connection block, a screw rod is arranged in the fixed pipe, a first bearing and a second bearing are fixedly connected to the bottom end and the top end of the screw rod respectively, the first bearing is fixedly connected with the fixed pipe, the second bearing is located in the sliding rod and is fixedly connected with the sliding rod through a connecting plate, the connecting plate slides in the sliding grooves, the threaded connection block is in transmission connection with the screw rod, a first bevel gear is fixedly connected to the bottom end of the screw rod, a rotating shaft is rotatably connected to the inside of the fixed pipe, and a, the transmission bevel gear is meshed with the first bevel gear, the inner wall of the fixed pipe is connected with a stepping motor in a sliding mode, the output end of the stepping motor is fixedly connected with a second bevel gear, the second bevel gear is meshed with the transmission bevel gear, and the stepping motor is electrically connected with an external power supply.
Preferably, the outer wall of the bottom end of the fixed pipe is provided with a through groove, and the through groove is rotatably connected with a connecting rod.
Preferably, the bottom end of the stepping motor is fixedly connected with a fixed plate, and one end of the connecting rod is slidably connected with the fixed plate through a hinge.
Preferably, the other end of the connecting rod is fixedly connected with a pedal.
Preferably, the top surface of the pedal is provided with anti-skid grains.
Preferably, one end of the rotating shaft penetrates through the fixed pipe, extends to the outside of the fixed pipe, and is fixedly connected with a clamping joint.
Preferably, the length direction of the rotating shaft and the length direction of the screw rod are vertically distributed.
Preferably, the pedal is made of stainless steel.
Compared with the prior art, the invention has the beneficial effects that:
only need rotate the joint and just can realize the regulation to the slide bar, and simultaneously, the position of joint is lower, personnel's operation is comparatively convenient, and it is comparatively laborsaving, when the effective length stroke of adjustment slide bar is longer, step motor can be started, operating personnel is through trampling the footboard, the step motor that the connecting rod rotates on with the fixed plate upwards rises, make the second bevel gear and the meshing of transmission bevel gear of step motor output, step motor accessible transmission bevel gear drives the lead screw and rotates, thereby adjust the slide bar, and the governing speed is very fast, time saving and labor saving.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inner structure of the fixing tube according to the present invention;
FIG. 3 is a schematic view of a connection structure of the stepping motor according to the present invention;
FIG. 4 is a schematic view of the pedal structure of the present invention;
fig. 5 is a schematic view of a second bearing connection structure according to the present invention.
In the figure: 1. a fixed tube; 101. passing through the slot; 2. a slide bar; 21. a screw joint block; 201. a chute; 3. a screw rod; 31. a first bearing; 32. a second bearing; 321. a connecting plate; 33. a first bevel gear; 4. a rotating shaft; 41. a drive bevel gear; 42. a clamping head; 5. a stepping motor; 51. a second bevel gear; 52. a fixing plate; 53. a connecting rod; 54. a pedal; 541. anti-skid lines; 6. and a fixing mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: a steel supporting structure with high stability comprises a fixed pipe 1 and a sliding rod 2 which is connected to the inner wall of the fixed pipe in a sliding mode, a fixing mechanism 6 which is used for locking the sliding rod 2 is connected to the top end of the fixed pipe 1 in a threaded mode, a threaded block 21 is fixedly connected to the bottom end of the sliding rod 2, two symmetrically arranged sliding grooves 201 are formed in the threaded block 21, a screw rod 3 is arranged in the fixed pipe 1, a first bearing 31 and a second bearing 32 are fixedly connected to the bottom end and the top end of the screw rod 3 respectively, the first bearing 31 is fixedly connected with the fixed pipe 1, the second bearing 32 is located inside the sliding rod 2 and is fixedly connected with the sliding rod 2 through a connecting plate 321, the connecting plate 321 slides in the sliding grooves 201, the threaded block 21 is in transmission connection with the screw rod 3, a first bevel gear 33 is fixedly connected to the bottom end of the screw rod 3, a rotating shaft 4 is rotatably connected to the inside of the fixed pipe 1, the inner wall of the fixed pipe 1 is connected with a stepping motor 5 in a sliding manner, the output end of the stepping motor 5 is fixedly connected with a second bevel gear 51, the second bevel gear 51 is meshed with the transmission bevel gear 41, and the stepping motor 5 is electrically connected with an external power supply.
In this embodiment, the stepping motor 5 is connected with an independently controlled switch, when in use, the stepping motor is connected with the bayonet joint 42 by a wrench, and is rotated, because the transmission bevel gear 41 is engaged with the first bevel gear 33, so that the screw rod 3 is synchronously rotated, and meanwhile, the screw joint block 21 is in transmission connection with the screw rod 3, the connecting plate 321 slides in the sliding groove 201 to limit the sliding rod 2, and prevent the sliding rod 2 from rotating, so that the sliding rod 2 can move along the direction of the screw rod 3, the effective length of the sliding rod 2 is adjusted according to the actual use condition, and finally the sliding rod 2 is limited by the fixing mechanism 6, a plurality of limiting holes are formed on the sliding rod 2, the top end of the fixing tube 1 is provided with threads, and the fixing chute is formed, the fixing mechanism 6 comprises a fixing ring and a fixing bolt, the fixing ring is in threaded connection with the top end of the fixing tube 1, when the sliding rod 2 is adjusted at a proper position, the fixing bolt penetrates through the Then, the fixing ring is rotated to support the fixing bolt by the fixing ring, thereby fixing the sliding rod 2, the adjustment of the sliding rod 2 can be realized only by rotating the clamping joint 42, meanwhile, the position of the clamping joint 42 is lower, the operation of personnel is more convenient and labor-saving, because the screw joint block 21 is in transmission connection with the screw rod 3, after the screw rod 3 stops rotating after the proper position is adjusted by the sliding rod 2, the screw joint block 21 can not move, the function of auxiliary support can be realized, the sliding rod 2 is more stable, when the effective length stroke of the sliding rod 2 is adjusted to be longer, the stepping motor 5 can be started, the operator can step on the pedal 54, the connecting rod 53 rotates to lift the stepping motor 5 on the fixing plate 52 upwards, so that the second bevel gear 51 at the output end of the stepping motor 5 is meshed with the transmission bevel gear 41, the stepping motor 5 can drive the screw rod 3 to rotate through the transmission bevel gear 41, therefore, the sliding rod 2 is adjusted quickly, time and labor are saved, and the type of the stepping motor 5 is 86BYGH 126.
Specifically, the outer wall of the bottom end of the fixed tube 1 is provided with a through groove 101, a connecting rod 53 is rotatably connected in the through groove 101, the bottom end of the stepping motor 5 is fixedly connected with a fixed plate 52, one end of the connecting rod 53 is slidably connected with the fixed plate 52 through a hinge, the fixed plate 52 is provided with a sliding groove, one end of the connecting rod 53 is slidably connected in the sliding groove of the fixed plate 52 through the hinge, the other end of the connecting rod 53 is fixedly connected with a pedal 54, the stepping motor 5 can be started, an operator can tread the pedal 54, the connecting rod 53 rotates to lift the stepping motor 5 on the fixed plate 52 upwards, so that the second bevel gear 51 at the output end of the stepping motor 5 is meshed with the transmission bevel gear 41, the stepping motor 5 can drive the screw rod 3 to rotate through the transmission bevel gear 41, thereby adjusting the sliding rod 2, the stepping motor 5 slides downwards, so that the second bevel gear 51 at the output end of the stepping motor 5 is separated from the transmission bevel gear 41, at the moment, the screw rod 3 stops rotating, and then the stepping motor 5 is turned off.
Specifically, the top surface of the pedal 54 is provided with anti-slip threads 541, which can increase friction force, so that the operator can not slide accidentally when stepping on the pedal 54.
Specifically, the one end of pivot 4 runs through fixed pipe 1 to extend to the outside of fixed pipe 1, and fixedly connected with joint 42, when using, use spanner and joint 42 joint, and rotate, because transmission bevel gear 41 and the meshing of first bevel gear 33, make lead screw 3 rotate in step.
Specifically, the length direction of the rotating shaft 4 and the length direction of the screw rod 3 are vertically distributed, so that the rotation direction can be converted, and the force application by an operator is facilitated.
Specifically, the pedal 54 is made of stainless steel, and has high corrosion resistance, so that the service life of the pedal 54 is long.
The working principle and the using process of the invention are as follows: when in use, a wrench is used for clamping and connecting the clamping head 42 and rotating, the screw rod 3 synchronously rotates due to the engagement of the transmission bevel gear 41 and the first bevel gear 33, meanwhile, the screw joint block 21 is in transmission connection with the screw rod 3, the connecting plate 321 slides in the sliding groove 201 to limit the sliding rod 2 and prevent the sliding rod from rotating, so that the sliding rod 2 can move along the direction of the screw rod 3, the effective length of the sliding rod 2 is adjusted according to the actual use condition, finally, the sliding rod 2 is limited by the fixing mechanism 6, the sliding rod 2 is provided with a plurality of limiting holes, the top end of the fixing tube 1 is provided with threads and a fixing sliding groove, the fixing mechanism 6 comprises a fixing ring and a fixing bolt, the fixing ring is in threaded connection with the top end of the fixing tube 1, when the sliding rod 2 is adjusted at a proper position, the fixing bolt penetrates through the fixing sliding groove of the fixing tube 1 and the limiting hole at the corresponding, then the fixing ring is rotated to support the fixing bolt by the fixing ring, thereby fixing the sliding rod 2, the adjustment of the sliding rod 2 can be realized only by rotating the clamping joint 42, meanwhile, the position of the clamping joint 42 is lower, the operation of personnel is more convenient and labor-saving, because the screw joint block 21 is in transmission connection with the screw rod 3, after the screw rod 3 stops rotating after the proper position is adjusted by the sliding rod 2, the screw joint block 21 can not move, the auxiliary support function can be realized, the sliding rod 2 is more stable, when the effective length stroke of the sliding rod 2 is adjusted to be longer, the stepping motor 5 can be started, the operator can step on the pedal 54, the connecting rod 53 rotates to lift the stepping motor 5 on the fixing plate 52 upwards, so that the second bevel gear 51 at the output end of the stepping motor 5 is meshed with the transmission bevel gear 41, the stepping motor 5 can drive the screw rod 3 to rotate through the transmission bevel gear 41, thereby adjust slide bar 2, and the governing speed is very fast, labour saving and time saving.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a steel bearing structure that stability is high, includes fixed pipe (1) and sliding rod (2) of sliding connection at its inner wall, the top spiro union of fixed pipe (1) has and is used for locking fixed establishment (6) of sliding rod (2), its characterized in that: the bottom end of the sliding rod (2) is fixedly connected with a screw joint block (21), the screw joint block (21) is provided with two sliding chutes (201) which are symmetrically arranged, a screw rod (3) is arranged in the fixed pipe (1), the bottom end and the top end of the screw rod (3) are respectively fixedly connected with a first bearing (31) and a second bearing (32), the first bearing (31) is fixedly connected with the fixed pipe (1), the second bearing (32) is positioned in the sliding rod (2) and is fixedly connected with the sliding rod (2) through a connecting plate (321), the connecting plate (321) slides in the sliding chutes (201), the screw joint block (21) is in transmission connection with the screw rod (3), the bottom end of the screw rod (3) is fixedly connected with a first bevel gear (33), the inner part of the fixed pipe (1) is rotatably connected with a rotating shaft (4), and the rotating shaft (4) is fixedly connected with a transmission bevel gear (41), the transmission bevel gear (41) is meshed with the first bevel gear (33), the inner wall of the fixed pipe (1) is connected with a stepping motor (5) in a sliding mode, the output end of the stepping motor (5) is fixedly connected with a second bevel gear (51), the second bevel gear (51) is meshed with the transmission bevel gear (41), and the stepping motor (5) is electrically connected with an external power supply.
2. A high stability steel support structure according to claim 1, wherein: the outer wall of the bottom end of the fixed pipe (1) is provided with a through groove (101), and a connecting rod (53) is rotatably connected in the through groove (101).
3. A high stability steel support structure according to claim 2, wherein: the bottom end of the stepping motor (5) is fixedly connected with a fixing plate (52), and one end of the connecting rod (53) is connected with the fixing plate (52) in a sliding mode through a hinge.
4. A high stability steel support structure according to claim 2, wherein: the other end of the connecting rod (53) is fixedly connected with a pedal (54).
5. A high stability steel support structure according to claim 4, wherein: the top surface of the pedal (54) is provided with anti-skid grains (541).
6. A high stability steel support structure according to claim 1, wherein: one end of the rotating shaft (4) penetrates through the fixed pipe (1) and extends to the outside of the fixed pipe (1), and a clamping joint (42) is fixedly connected with the rotating shaft.
7. A high stability steel support structure according to claim 1, wherein: the length direction of the rotating shaft (4) and the length direction of the screw rod (3) are vertically distributed.
8. A high stability steel support structure according to claim 4, wherein: the pedal (54) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910849036.XA CN110700628A (en) | 2019-09-09 | 2019-09-09 | Steel bearing structure that stability is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910849036.XA CN110700628A (en) | 2019-09-09 | 2019-09-09 | Steel bearing structure that stability is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110700628A true CN110700628A (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910849036.XA Pending CN110700628A (en) | 2019-09-09 | 2019-09-09 | Steel bearing structure that stability is high |
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| CN (1) | CN110700628A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828059A (en) * | 2020-07-28 | 2020-10-27 | 华北水利水电大学 | Automatic protection support equipment for gravel stratum excavation construction |
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| CN111828059A (en) * | 2020-07-28 | 2020-10-27 | 华北水利水电大学 | Automatic protection support equipment for gravel stratum excavation construction |
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