CN215105378U

CN215105378U - Adjustable foundation pit support

Info

Publication number: CN215105378U
Application number: CN202121091054.5U
Authority: CN
Inventors: 陈文玮
Original assignee: Beijing Tianlihong Construction Engineering Co ltd
Current assignee: Beijing Tianlihong Construction Engineering Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-12-10
Anticipated expiration: 2031-05-20

Abstract

The utility model relates to a excavation supporting technical field just discloses an excavation supporting with adjustable, including bottom plate, box, lifting unit, supporting component and installation piece. This adjustable excavation supporting, through starting second servo motor, make the carousel rotatory, the carousel drives and removes the frame back-and-forth movement, drive rack plate back-and-forth movement, make gear and pivot rotation, it stretches and tightens up to have driven the stay cord, when the stay cord tightens up, stay cord pulling movable plate moves to the right, compress the second spring, make the fixture block take out from the box, remove the fixed action of installation piece to the thread block, start first servo motor, make the threaded rod rotatory, it reciprocates at the box inside to drive thread block and installation piece, when removing to suitable position, drive second servo motor reversal, make the stay cord stretch, under the elasticity of second spring, make fixture block and box inner wall block, fix the thread block at suitable height, the purpose that the support depth is adjustable has been realized.

Description

Adjustable foundation pit support

Technical Field

The utility model relates to a excavation supporting technology field specifically is an excavation supporting with adjustable.

Background

The common foundation pit supporting forms mainly comprise row pile supporting, underground continuous wall supporting, cement retaining walls, soil nailing walls, reverse arch walls, original soil slope laying, pile (wall) supporting systems, simple horizontal supports, reinforced concrete row piles and the like.

The existing support usually cannot adjust the support depth according to the foundation pit depth, and different supports are often required to be replaced when facing foundation pits with different depths, so that the cost is increased, the application range of the support is also reduced, and the foundation pit support with the adjustable support is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an adjustable excavation supporting possesses advantages such as the degree of depth is adjustable of strutting, has solved current strutting and can not adjust the degree of depth of support according to the degree of depth of excavation usually, and when the excavation facing the different degree of depth, often need change different strutting, not only increased the cost, still reduced the application scope's of strutting problem.

For the purpose that realizes that the above-mentioned degree of depth of strutting is adjustable, the utility model provides a following technical scheme: the utility model provides a foundation ditch support with adjustable, includes bottom plate, box, lifting unit, supporting component and installation piece, the bottom plate top is provided with the box, the inside lifting unit that is provided with of box, the lifting unit right side is provided with the supporting component that one end extends to the box right side, the lifting unit left side is provided with the installation piece of one end and box joint, the inside drive assembly who extends to both sides around it that is provided with of installation piece, the inside block subassembly that one end extends to its left side and box joint that is provided with of installation piece.

Preferably, lifting unit includes a servo motor, and a servo motor fixed mounting is at box inner wall top, and a servo motor's output shaft fixed mounting has one end and box inner wall bottom swing joint's threaded rod, threaded rod outside threaded connection has the screw thread piece, the equal fixed mounting in both sides has one end and box inner wall swing joint's slider around the screw thread piece.

Preferably, the supporting component comprises a hydraulic rod, the hydraulic rod is fixedly installed on the right side of the threaded block, one end of the hydraulic rod extends to the right side of the box body, and a supporting plate is fixedly installed at the output end of the hydraulic rod.

Preferably, drive assembly includes second servo motor, and second servo motor fixed mounting has the carousel in installation piece inner wall bottom, and second servo motor's output shaft fixed mounting, carousel top fixed mounting has the connecting block, carousel top movable mounting has one end and the removal frame in the connecting block outside of installation piece top sliding connection and cover, the equal fixed mounting in both sides has the rack plate that one end extended to the installation piece outside around the removal frame, two the equal fixed mounting in rack plate back of the body one side of the back of the body has the stopper, two the equal fixed mounting in one side that the stopper is relative has one end and installation piece fixed connection and overlaps the first spring in the rack plate outside.

Preferably, the block subassembly includes the pivot, and the quantity of pivot is two, and two pivot movable mounting just are located the second servo motor left side in installation piece inner wall bottom, and pivot outside fixed mounting has the gear with rack plate meshing, just be located pivot left side fixed mounting between the both sides around the installation piece inner wall and have the fixed plate, just be located fixed plate left side movable mounting between the both sides around the installation piece inner wall and have the movable plate, the winding of pivot outside has one end to run through the fixed plate and with movable plate right side fixed connection's stay cord, just be located between two stay cords fixed mounting between fixed plate and the movable plate and have the second spring, movable plate left side fixed mounting has the fixture block that quantity runs through the installation piece and extend to the box inside rather than the joint for two and one end.

Compared with the prior art, the utility model provides an adjustable excavation supporting possesses following beneficial effect:

this adjustable excavation supporting, through starting second servo motor, make the carousel rotatory, the carousel drives and removes the frame back-and-forth movement, drive rack plate back-and-forth movement, make gear and pivot rotation, it stretches and tightens up to have driven the stay cord, when the stay cord tightens up, stay cord pulling movable plate moves to the right, compress the second spring, make the fixture block take out from the box, remove the fixed action of installation piece to the thread block, start first servo motor, make the threaded rod rotatory, it reciprocates at the box inside to drive thread block and installation piece, when removing to suitable position, drive second servo motor reversal, make the stay cord stretch, under the elasticity of second spring, make fixture block and box inner wall block, fix the thread block at suitable height, the purpose that the support depth is adjustable has been realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial top sectional view of the junction between the mounting block and the housing of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: the device comprises a base plate 1, a box body 2, a lifting assembly 3, a first servo motor 31, a threaded rod 32, a threaded block 33, a sliding block 34, a supporting assembly 4, a hydraulic rod 41, a supporting plate 42, a mounting block 5, a driving assembly 6, a second servo motor 61, a rotary plate 62, a connecting block 63, a movable frame 64, a rack plate 65, a limiting block 66, a first spring 67, a clamping assembly 7, a rotating shaft 71, a gear 72, a fixing plate 73, a movable plate 74, a pull rope 75, a second spring 76 and a clamping block 77.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an adjustable foundation pit support comprises a bottom plate 1, a box body 2, a lifting component 3, a supporting component 4 and an installation block 5, wherein the box body 2 is fixedly installed on the top of the bottom plate 1, the lifting component 3 is fixedly installed inside the box body 2, the lifting component 3 comprises a first servo motor 31, the first servo motor 31 is fixedly installed on the top of the inner wall of the box body 2, a threaded rod 32 with one end movably connected with the bottom of the inner wall of the box body 2 is fixedly installed on an output shaft of the first servo motor 31, a threaded block 33 is in threaded connection with the outer side of the threaded rod 32, sliders 34 with one end movably connected with the inner wall of the box body 2 are fixedly installed on the front side and the rear side of the threaded block 33, the supporting component 4 with one end extending to the right side of the box body 2 is fixedly installed on the right side of the lifting component 3, the supporting component 4 comprises a hydraulic rod 41, the hydraulic rod 41 is fixedly installed on the right side of the threaded block 33, and one end extends to the right side of the box body 2, a support plate 42 is fixedly arranged at the output end of the hydraulic rod 41, the support plate 42 is composed of a transverse plate, a vertical plate and two support rods, the transverse plate is fixedly arranged at the right side of the hydraulic rod 41, the vertical rod is fixedly arranged at the right side of the transverse plate, the upper side and the lower side of the transverse plate are both fixedly provided with the support rods, one ends of the support rods are fixedly connected with the vertical plate, the left side of the lifting component 3 is fixedly provided with an installation block 5, one end of the installation block 5 is fixedly provided with a driving component 6 extending to the front side and the rear side, the driving component 6 comprises a second servo motor 61, the second servo motor 61 is fixedly arranged at the bottom of the inner wall of the installation block 5, the output shaft of the second servo motor 61 is fixedly provided with a rotary table 62, the top of the rotary table 62 is fixedly provided with a connecting block 63, the top of the rotary table 62 is movably provided with a movable frame 64, one end of the movable frame 64 is slidably connected with the top of the inner wall of the installation block 5 and sleeved outside the connecting block 63, the rack plate 65, is fixedly arranged at the front side and the rear side of the movable frame 64, the opposite sides of the two rack plates 65 are fixedly provided with limiting blocks 66, the opposite sides of the two limiting blocks 66 are fixedly provided with first springs 67, one ends of the first springs are fixedly connected with the mounting block 5 and are sleeved outside the rack plates 65, the mounting block 5 is internally and fixedly provided with clamping components 7, one ends of the clamping components 7 extend to the left side of the mounting block and are clamped with the box body 2, each clamping component 7 comprises two rotating shafts 71, the two rotating shafts 71 are movably mounted at the bottom of the inner wall of the mounting block 5 and are positioned at the left side of the second servo motor 61, the outer sides of the rotating shafts 71 are fixedly provided with gears 72 meshed with the rack plates 65, a fixing plate 73 is fixedly mounted between the front side and the rear side of the inner wall of the mounting block 5 and is positioned at the left side of the rotating shaft 71, a moving plate 74 is movably mounted between the front side and the rear side of the inner wall of the mounting block 5 and is positioned at the left side of the fixing plate 73, and a pull rope 75, one end of the pull rope penetrates through the fixing plate 73 and is fixedly connected with the right side of the moving plate 74, is wound outside the rotating shaft 71, a second spring 76 is fixedly arranged between the fixed plate 73 and the movable plate 74 and between the two pull ropes 75, two clamping blocks 77 with one ends penetrating through the mounting block 5 and extending into the box body 2 to be clamped with the mounting block are fixedly arranged on the left side of the movable plate 74, the rotary disc 62 is rotated by starting the second servo motor 31, the rotary disc 62 drives the movable frame 64 to move back and forth to drive the rack plate 65 to move back and forth, the gear 72 and the rotary shaft 71 to rotate to drive the pull ropes 75 to stretch and tighten, when the pull ropes 75 are tightened, the pull ropes 75 pull the movable plate 74 to move right to compress the second spring 76 to pull the clamping blocks 77 out of the box body 2, the fixing effect of the mounting block 5 on the thread block 33 is removed, the first servo motor 31 is started to rotate the threaded rod 32 to drive the thread block 33 and the mounting block 5 to move up and down in the box body 2, and when the movable plate is moved to a proper position, the second servo motor 61 is driven to rotate reversely, make stay cord 75 stretch, under the elasticity of second spring 76 for fixture block 77 and box 2 inner wall block fix the screw thread piece 33 at suitable height, realized strutting the adjustable purpose of degree of depth, solved current strut and often can not adjust the degree of depth of support according to the degree of depth of foundation ditch, when the foundation ditch of the different degree of depth is faced, often need change different struts, not only increased the cost, still reduced the application scope's of strut problem.

In summary, in the adjustable foundation pit support, the second servo motor 31 is started to rotate the rotary disc 62, the rotary disc 62 drives the movable frame 64 to move back and forth, the rack plate 65 is driven to move back and forth, the gear 72 and the rotating shaft 71 rotate, the pulling rope 75 is driven to stretch and tighten, when the pulling rope 75 is tightened, the pulling rope 75 pulls the movable plate 74 to move right, the second spring 76 is compressed, the clamping block 77 is pulled away from the box body 2, the fixing effect of the mounting block 5 on the thread block 33 is relieved, the first servo motor 31 is started to rotate the threaded rod 32, the thread block 33 and the mounting block 5 are driven to move up and down in the box body 2, when the first servo motor moves to a proper position, the second servo motor 61 is driven to rotate reversely, the pulling rope 75 is stretched, under the elastic force of the second spring 76, the clamping block 77 is clamped with the inner wall of the box body 2, the thread block 33 is fixed at a proper height, and the purpose of adjusting the support depth is achieved, the problem of current strut usually can not adjust the degree of depth of support according to the degree of depth of foundation ditch, when the foundation ditch of the different degree of depth is faced, often need change different struts, not only increase the cost, still reduced the application scope of strut is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch support with adjustable, includes bottom plate (1), box (2), lifting unit (3), supporting component (4) and installation piece (5), its characterized in that: bottom plate (1) top is provided with box (2), box (2) inside be provided with lifting unit (3), lifting unit (3) right side is provided with supporting component (4) that one end extends to box (2) right side, lifting unit (3) left side is provided with installation piece (5) of one end and box (2) joint, installation piece (5) inside is provided with drive assembly (6) that extend to both sides around it, installation piece (5) inside is provided with block subassembly (7) that one end extends to its left side and box (2) joint.

2. An adjustable foundation pit support as claimed in claim 1, wherein: lifting unit (3) include first servo motor (31), and first servo motor (31) fixed mounting is at box (2) inner wall top, and the output shaft fixed mounting of first servo motor (31) has one end and box (2) inner wall bottom swing joint's threaded rod (32), threaded rod (32) outside threaded connection has screw block (33), the equal fixed mounting in both sides has one end and box (2) inner wall swing joint's slider (34) around screw block (33).

3. An adjustable foundation pit support as claimed in claim 1 or claim 2, wherein: the supporting component (4) comprises a hydraulic rod (41), the hydraulic rod (41) is fixedly installed on the right side of the thread block (33) and one end of the hydraulic rod extends to the right side of the box body (2), and a support plate (42) is fixedly installed at the output end of the hydraulic rod (41).

4. An adjustable foundation pit support as claimed in claim 1, wherein: the driving component (6) comprises a second servo motor (61), the second servo motor (61) is fixedly arranged at the bottom of the inner wall of the mounting block (5), a rotating disc (62) is fixedly arranged on an output shaft of the second servo motor (61), the top of the rotary table (62) is fixedly provided with a connecting block (63), the top of the rotary table (62) is movably provided with a movable frame (64) one end of which is connected with the top of the inner wall of the mounting block (5) in a sliding way and is sleeved outside the connecting block (63), remove around frame (64) the equal fixed mounting in both sides one end extend to rack plate (65) in the installation piece (5) outside, two rack plate (65) one side of the back of the body equal fixed mounting in one side has stopper (66), two the equal fixed mounting in one side that stopper (66) is relative has one end and installation piece (5) fixed connection and overlaps first spring (67) in the rack plate (65) outside.

5. An adjustable foundation pit support as claimed in claim 1 or claim 4, wherein: block subassembly (7) are including pivot (71), and the quantity of pivot (71) is two, and two pivot (71) movable mounting just are located second servo motor (61) left side in installation piece (5) inner wall bottom, and pivot (71) outside fixed mounting have with gear (72) of rack plate (65) meshing, just be located pivot (71) left side fixed mounting and have fixed plate (73) between the both sides around installation piece (5) inner wall, just be located between the both sides around installation piece (5) inner wall fixed mounting and have movable plate (74) on the left of fixed plate (73), the winding of pivot (71) outside has one end to run through fixed plate (73) and with movable plate (74) right side fixed connection's stay cord (75), fixed plate (73) and movable plate (74) between just be located between two stay cord (75) fixed mounting have second spring (76), movable plate (74) left side fixed mounting have quantity to run through installation piece (5) and extend to two and one end for two and one end A clamping block (77) clamped with the box body (2) inside.