CN216471920U - Tower crane nonstandard festival for construction - Google Patents

Abstract

The utility model discloses a tower crane nonstandard knot for building construction, which comprises a connecting frame, wherein the connecting frame comprises four supporting pieces which are arranged in parallel, the tops of the supporting pieces are provided with limiting square grooves, the bottoms of the supporting pieces are provided with limiting vertical rods, the limiting vertical rods are matched with the limiting square grooves, two ends of each supporting piece are respectively provided with a limiting fixing component, and the limiting fixing components are used for connecting and fixing an upper standard knot and a lower standard knot which are adjacent; the four supporting pieces have at least two height sizes, and the difference value between the height sizes is 5-80 mm, the height difference between the four supporting pieces of the non-standard section is utilized to make up the height difference between the four supporting legs caused by the defects of construction or geological environment of the original common standard section group, so that the four supporting legs of the tower crane standard section group are restored to the same horizontal plane, the sag is kept within a safety range, and the safety of the tower crane in installation and use is ensured.

Description

Tower crane nonstandard festival for construction

Technical Field

The utility model relates to the technical field of tower cranes for building construction, in particular to a non-standard section of a tower crane for building construction.

Background

The tower crane is the most common hoisting equipment on a building site, and is mainly used for hoisting construction raw materials such as reinforcing steel bars, wooden ridges, concrete, steel pipes and the like. The tower crane is an indispensable device on a building site. The main body of the tower crane is composed of a plurality of tower crane standard sections one by one, and the tower crane standard sections occupy very important positions in the whole tower crane.

The existing tower crane standard knot may cause a certain angle or a plurality of angles in an assembled common standard knot group to sink or float due to the influence of construction technology and geological environment in the installation process, so that the installation sag of the tower crane exceeds the safety requirement, hidden dangers exist in the use process of the tower crane, and the safety construction cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a tower crane standard knot for building construction, which utilizes the height difference between four supporting pieces of a non-standard knot to make up the height difference between four supporting legs of an original common standard knot group caused by construction or geological environment defects, so that the four supporting legs of the tower crane standard knot group are restored to the same horizontal plane, the sag is kept within a safety range, and the safety of the installation and the use of a tower crane is ensured.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a tower crane non-standard knot for building construction comprises a connecting frame, wherein the connecting frame comprises four supporting pieces which are arranged in parallel, a limiting square groove is formed in the top of each supporting piece, a limiting vertical rod is arranged at the bottom of each supporting piece and matched with the limiting square groove, limiting fixing assemblies are arranged at the upper end and the lower end of each supporting piece, and the limiting fixing assemblies are used for connecting and fixing two adjacent standard knots; at least two height sizes exist in the four supporting pieces, and the difference value between the height sizes is 5-80 mm.

Preferably, the heights of the two left supporting pieces are the same, the heights of the two right supporting pieces are the same, and the height difference between the left supporting piece and the right supporting piece is 10-40 mm. In another preferred scheme, two height sizes of the four supporting pieces can be selected, for example, the height of the first supporting piece and the height of the second supporting piece are a, the height of the third supporting piece and the height of the fourth supporting piece are b, and the difference between a and b is 5-40 mm; three height dimensions can also be selected from the four supporting pieces, for example, the height of the first supporting piece and the height of the second supporting piece are a, the height of the third supporting piece is b, the height of the fourth supporting piece is c, the difference between a and b is 5-40 mm, and the difference between a and c is 5-40 mm; four height dimensions can also be selected from the four supporting pieces, for example, the height of the first supporting piece is a, the height of the second supporting piece is b, the height of the third supporting piece is c, the height of the fourth supporting piece is d, the difference between a and b is 5-40 mm, the difference between a and c is 5-40 mm, and the difference between c and d is 5-40 mm; the first supporting piece, the second supporting piece, the third supporting piece and the fourth supporting piece are arranged randomly to form a connecting frame.

Preferably, the height of the support member is 1-3 m.

The embodiment of the utility model has the following advantages:

according to the utility model, the height difference between the four supporting pieces of the non-standard section is utilized to make up for the height difference of the original common standard section group caused by construction defects, so that the four supporting legs of the tower crane standard section group are restored to the same horizontal plane, the sag is kept within a safety range, and the safety of the tower crane in installation and use is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure provided by the present invention;

FIG. 2 is an exploded view of a portion of the structure provided by the present invention;

FIG. 3 is a front perspective cut-away view of the present invention;

FIG. 4 is a top perspective cut-away view provided by the present invention;

FIG. 5 is a schematic view of the overall usage status provided by the present invention;

FIG. 6 is an enlarged view of the portion A of FIG. 2 according to the present invention;

FIG. 7 is an enlarged view of the portion B of FIG. 3 according to the present invention;

fig. 8 is an enlarged view of the structure of the part C in fig. 4 according to the present invention.

In the figure: 1. a connecting frame; 101. a support member; 102. a first transverse connector; 103. a first diagonal connection stiffener; 104. a second transverse connector; 105. a second diagonal joint stiffener; 2. a limiting square groove; 3. a limiting vertical rod; 4. a limiting cross bar; 5. a limiting transverse groove; 6. a threaded cross bar; 7. a movable clamping rod; 8. fixing the square groove; 9. a limiting clamping groove; 10. a threaded cross bore; 11. a first bevel gear; 12. rotating the cross bar; 13. a second bevel gear; 14. a movable cross bar; 15. a movable grip; 16. a first connecting sleeve; 17. a second connecting sleeve; 18. connecting the cross bars; 19. a fixing hole; 20. locking the screw hole; 21. and limiting the threaded column.

Detailed Description

Referring to the attached drawings 1-8, the non-standard section of the tower crane for building construction provided by the utility model comprises a connecting frame 1, wherein the connecting frame 1 comprises four supporting pieces 101 which are arranged in parallel, a limiting square groove 2 is formed in the top of each supporting piece 101, a limiting vertical rod 3 is arranged at the bottom of each supporting piece 101, the limiting vertical rod 3 is matched with the limiting square groove 2, limiting fixing components are arranged at the upper end and the lower end of each supporting piece 101, and the limiting fixing components are used for connecting and fixing the upper standard section and the lower standard section which are adjacent to each other; at least two height sizes exist in the four supporting pieces 101, and the difference between the height sizes is 5-80 mm.

Preferably, the heights of the two left supporting pieces 101 are the same, the heights of the two right supporting pieces 101 are the same, and the height difference between the left supporting piece 101 and the right supporting piece 101 is 10-40 mm.

In another preferred scheme, in the tower crane installation process, when the first support leg and the second support leg of the common standard knot group are detected to sink and the sinking heights are the same, the non-standard knots with two height dimensions in the four supporting parts 101 can be selected for adjustment, and the specific structure of the non-standard knots is that the height of the first supporting part 101 and the second supporting part 101 is a, the height of the third supporting part 101 and the fourth supporting part 101 is b, a is larger than b, and the difference between a and b is the height difference between the first leg and the third leg, so that the first supporting member 101 corresponds to the first leg, the second supporting member 101 corresponds to the second leg, the third supporting member 101 corresponds to the third leg, the fourth supporting member 101 corresponds to the fourth leg, therefore, the sag of the original common standard knot group can be adjusted by utilizing the non-standard knot, and the standard knot group of the tower crane is restored to be within a safe sag range;

in the tower crane installation process, when the first distance sinking and the second distance sinking of the third support leg and the second distance sinking of the fourth support leg of the common standard knot group are detected, the non-standard knots with three height dimensions in the four support members 101 can be selected for adjustment, the specific structure of the non-standard knots is that the height of the first support member 101 and the height of the second support member 101 are a, the height of the third support member 101 is b, the height of the fourth support member 101 is c, a is smaller than b and c, the difference value of a and b is the height difference between the third support leg and the first support leg, the difference value of a and c is the height difference between the fourth support leg and the first support leg, the first support member 101 corresponds to the first support leg, the second support member 101 corresponds to the second support leg, the third support member 101 corresponds to the third support leg, and the fourth support leg corresponds to the fourth support leg, so that the non-standard knots can be used for adjusting the sag of the original common standard knot group, the standard section group of the tower crane is recovered to the safety sag range;

in the tower crane installation process, when detecting that a second support leg of a common standard knot group rises by a first distance, a third support leg sinks by a second distance, and a fourth support leg sinks by a third distance, at this time, four nonstandard knots with four height sizes in four support members 101 can be selected for adjustment, the nonstandard knots have the specific structure that the height of the first support member 101 is a, the height of the second support member 101 is b, the height of the third support member 101 is c, the height of the fourth support member 101 is d, a is larger than b, the difference value between a and b is the height difference between the second support leg and the first support leg, a is smaller than c and d, the difference value between a and c is the height difference between the third support leg and the first support leg, the difference value between c and d is the height difference between the fourth support leg and the first support leg, the first support member 101 corresponds to the second support leg, the third support member 101 corresponds to the third support leg, the fourth supporting piece 101 corresponds to the fourth supporting leg, so that the sag of the original common standard knot group can be adjusted by using the non-standard knot, and the standard knot group of the tower crane is restored to the safe sag range;

the first support member, the second support member, the third support member and the fourth support member are arranged at random to form a connection frame 1.

By fixedly connecting the connecting frame 1 with the limiting vertical rods 3 and matching the limiting vertical rods 3 with the limiting square grooves 2, when an upper layer and a lower layer of standard knots are stacked for use, the limiting vertical rods 3 at the bottom of the connecting frame 1 at the upper layer can be inserted into the limiting square grooves 2 at the top of the connecting frame 1 at the lower layer; in addition, when the tower crane is used, the heights of the four supporting pieces 101 of the common standard knot are consistent, in the installation process of the common standard knot, the bottom of the assembled common standard knot group is sunk and floated possibly due to insufficient manual operation precision or geological environment influence, so that the height difference is generated among the four corners of the standard knot group, the inclination of the tower crane is further caused, the sag of the standard knot group exceeds a safety range, and a certain potential safety hazard exists in the tower crane.

Preferably, the height of the support member 101 is 1-3 m.

Preferably, three first transverse connecting reinforcements 102 arranged in parallel and two first diagonal connecting reinforcements 103 are arranged between the two left side supporting pieces 101 and between the two right side supporting pieces 101, two second transverse connecting reinforcements 104 arranged in parallel and two second diagonal connecting reinforcements 105 are arranged between the left side supporting pieces 101 and the right side supporting pieces 101, the second transverse connecting reinforcements 104 are arranged in parallel with the spacing cross bar 4, and the supporting pieces 101, the first transverse connecting reinforcements 102, the second transverse connecting reinforcements 104, the first diagonal connecting reinforcements 103 and the second diagonal connecting reinforcements 105 constitute the connecting frame 1.

Specifically, a limiting cross rod 4 is arranged between the left side supporting piece 101 and the right side supporting piece 101, the limiting cross rod 4 is positioned at the top of the connecting frame 1, a limiting cross groove 5 is formed in the inner side of the limiting cross rod 4, and a limiting locking assembly is arranged in the inner side of the limiting cross groove 5;

four corners of the upper end and the lower end of each connecting frame 1 are respectively provided with a limiting fixing component, two ends of the top of each connecting frame 1 are respectively and fixedly connected with a limiting cross rod 4, the inner side of each limiting cross rod 4 is provided with a limiting transverse groove 5, and a limiting locking component is arranged in each limiting transverse groove 5;

the limiting locking assembly comprises a threaded cross rod 6 and two movable clamping rods 7, the number of the threaded cross rod 6 and the number of the movable clamping rods 7 are respectively two, the two movable clamping rods 7 are respectively positioned at two ends of an inner cavity of a limiting transverse groove 5 and are in sliding connection with the limiting transverse groove 5, a fixed square groove 8 is arranged on the side wall of a supporting piece 101 close to a connecting cross rod 4, a limiting clamping groove 9 is arranged on the side wall of the bottom of a limiting vertical rod 3 close to the connecting cross rod 4, threaded transverse holes 10 are respectively arranged at mutually opposite ends of the two movable clamping rods 7, the two threaded cross rods 6 are respectively positioned in the threaded transverse holes 10 arranged on the two movable clamping rods 7 and are in threaded connection with the threaded transverse holes 10, the mutually opposite ends of the two threaded cross rods 6 are respectively and fixedly connected with a first bevel gear 11, a rotating cross rod 12 is also arranged between the two threaded cross rods 6, a second bevel gear 13 is sleeved at the middle part of the rotating cross rod 12, and the left side and the right side of the second bevel gear 13 are respectively meshed with the two first bevel gears 11, a movable cross bar 14 is arranged at the outer end of the rotary cross bar 12, the rotary cross bar 12 is fixedly connected with the movable cross bar 14, and a movable grip 15 is arranged at one end of the movable cross bar 14 far away from the rotary cross bar 12;

wherein, in order to realize the purpose of fixing and clamping the upper and lower adjacent two connecting frames 1, the device adopts the following technical scheme: the limiting fixing assembly comprises a first connecting sleeve 16 and a second connecting sleeve 17, the first connecting sleeve 16 and the second connecting sleeve 17 are respectively located on two sides of each corner of the connecting frame 1, the first connecting sleeve 16 and the second connecting sleeve 17 are fixedly connected with the connecting frame 1, a first connecting hole is formed in the first connecting sleeve 16, a second connecting hole is formed in the second connecting sleeve 17, and the first connecting hole and the second connecting hole are axial unthreaded holes. Two adjacent connecting frames 1 are stacked together, the first connecting sleeves 16 at one ends, close to one end, of the upper connecting frame 1 and the lower connecting frame 1 correspond to each other, bolts penetrate through the upper first connecting sleeve 16 and the lower first connecting sleeve 16 simultaneously, and the tail portions of the bolts penetrate through the first connecting sleeves 16 and then are connected with nuts in a threaded mode.

Wherein, in order to make activity kelly 7 in spacing horizontal slot 5 internal energy motion to the spacing draw-in groove 9 of seting up on the spacing montant 3, this device adopts following technical scheme to realize: the limiting transverse groove 5 is communicated with the limiting square groove 2 through the fixed square groove 8, and when the limiting vertical rod 3 at the lower end of the connecting frame 1 of the previous section is inserted into the limiting square groove 2 at the upper end of the connecting frame 1 of the next section, the outer end of the movable clamping rod 7 can penetrate through the fixed square groove 8 and is matched with a limiting clamping groove 9 formed in the limiting vertical rod 3;

wherein, in order to make rotatory horizontal pole 12 drive the rotatory more stable purpose of second bevel gear 13, this device adopts following technical scheme to realize: a bearing seat is arranged on one side of the first bevel gear 11 and fixedly connected with the limiting cross rod 4, one end, close to the first bevel gear 11, of the threaded cross rod 6 is rotatably connected with the inner wall of the bearing seat, one end, far away from the movable cross rod 14, of the rotating cross rod 12 is provided with a bearing, the bearing is fixedly connected with the limiting cross rod 4, one end of the rotating cross rod 12 is rotatably connected with the bearing, the rotating cross rod 12 is fixedly connected with a second bevel gear 13, and two sides of the second bevel gear 13 are respectively meshed with the two first bevel gears 11;

wherein, in order to fix the movable cross rod 14 through the connecting cross rod 18 and the limiting threaded column 21 at one end of the movable grip 15, the device adopts the following technical scheme: the one end fixedly connected with of activity handle 15 connects horizontal pole 18, and the fixed orifices 19 has been seted up to 14 one ends of activity horizontal pole, and locking screw 20 has been seted up to spacing horizontal pole 4 one side, and the one end of connecting horizontal pole 18 and keeping away from activity handle 15 is equipped with spacing screw thread post 21, it passes the fixed orifices 19 setting to connect horizontal pole 18, and activity handle 15 and spacing screw thread post 21 are located the front and back both sides of activity horizontal pole 14 respectively, and spacing screw thread post 21 is located between fixed orifices 19 and the locking screw 20, and spacing screw thread post 21 and locking screw 20 phase-match. Firstly, the movable handle 15 is inserted into the fixing hole 19 formed on the movable cross bar 14 from the outside to the inside through the connecting cross bar 18, and then the limiting threaded column 21 is screwed on the end part of the connecting cross bar 18 outside the penetrating hole.

When the limit locking assembly needs to be controlled to lock and limit the limit vertical rod 3 inserted into the limit square groove 2, after the limit vertical rod 3 at the lower end of the previous section of the connecting frame 1 is inserted into the limit square groove 2 at the upper end of the next section of the connecting frame 1, the limit threaded column 21 is controlled to withdraw from the locking threaded hole 20, then a user can rotate the movable handle 15 to drive the rotating cross rod 12 and the second bevel gear 13 on the rotating cross rod 12 to rotate, because two sides of the second bevel gear 13 are respectively engaged and connected with the two first bevel gears 11, the two threaded cross rods 6 can rotate synchronously, and simultaneously because the movable clamping rod 7 is limited by the limit transverse groove 5 and can only slide transversely, when the threaded cross rod 6 rotates, the movable clamping rod 7 can synchronously move towards the fixed square groove 8 along the limit transverse groove 5 and finally sequentially passes through the limit clamping grooves 9 in the fixed square groove 8 and the limit vertical rod 3, the limiting locking component is abutted against the inner wall of the limiting square groove 2 to lock the connection relation of the limiting square groove 2 and the limiting vertical rod 3; when the locking relation between the limiting square groove 2 and the limiting vertical rod 3 needs to be released, the movable handle 15 only needs to be rotated reversely, and the movable clamping rod 7 can be controlled to completely retract and contract in the limiting transverse groove 5, so that the purpose of releasing the locking relation between the limiting square groove 2 and the limiting vertical rod 3 is achieved.

Specifically, activity kelly 7 includes first state and second state, and under the first state, activity kelly 7 contracts completely in spacing cross slot 5, and under the second state, activity kelly 7 passes fixed square groove 8 and spacing draw-in groove 9 to with 2 inner walls butt in spacing square groove. Preferably, the limit screw post 21 is disposed corresponding to the locking screw hole 20 in the first state and the second state.

Preferably, the movable grip 15 and the limit threaded post 21 cannot pass through the fixing hole 19.

Preferably, the depth of the limiting square groove 2 is greater than the length of the limiting vertical rod 3, and a garbage cleaning hole is formed in the side wall of the connecting frame 1 where the bottom of the limiting square groove 2 is located. Through being greater than spacing montant 3's length with spacing square groove 2's the degree of depth, avoid gathering in spacing square groove 2 because of impurity, influence the installation sag of tower crane, simultaneously, through set up rubbish clearance hole on 2 bottom place linking frame 1 lateral walls in spacing square groove, before carrying out the composite erection of standard festival, wash spacing square groove 2 earlier, let 2 impurity in spacing square groove wash away from rubbish clearance hole, effectively guarantee the precision of tower crane installation sag.

The above is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims (5)

1. The utility model provides a tower crane non-standard festival for construction, includes connection frame, its characterized in that: the connecting frame comprises four supporting pieces which are arranged in parallel, a limiting square groove is formed in the top of each supporting piece, a limiting vertical rod is arranged at the bottom of each supporting piece and matched with the limiting square groove, limiting fixing assemblies are arranged at the upper end and the lower end of each supporting piece and used for connecting and fixing the upper standard knot and the lower standard knot which are adjacent to each other; at least two height sizes exist in the four supporting pieces, and the difference value between the height sizes is 5-80 mm.

2. The tower crane non-standard knot for building construction of claim 1, characterized in that: two height sizes exist in the four supporting pieces, the height of the first supporting piece and the height of the second supporting piece are a, the height of the third supporting piece and the height of the fourth supporting piece are b, and the difference value between a and b is 5-40 mm.

3. The tower crane non-standard knot for building construction of claim 1, characterized in that: three height sizes exist in the four supporting pieces, the height of the first supporting piece and the height of the second supporting piece are a, the height of the third supporting piece is b, the height of the fourth supporting piece is c, the difference value between a and b is 5-40 mm, and the difference value between a and c is 5-40 mm.

4. The tower crane non-standard knot for building construction of claim 1, characterized in that: four height sizes exist in the four supporting pieces, the height of the first supporting piece is a, the height of the second supporting piece is b, the height of the third supporting piece is c, the height of the fourth supporting piece is d, the difference value between a and b is 5-40 mm, the difference value between a and c is 5-40 mm, and the difference value between c and d is 5-40 mm.

5. The tower crane nonstandard knot for building construction according to any one of claims 2 to 4, characterized in that: the first supporting piece, the second supporting piece, the third supporting piece and the fourth supporting piece are randomly arranged to form a connecting frame.

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