阅读说明：本技术 一种建筑施工用脚手架连接件 (Scaffold connecting piece for construction ) 是由 广家成 于 2020-05-27 设计创作，主要内容包括：本发明涉及一种建筑施工用脚手架连接件,包括两个夹持件组、连接件、可拆夹持单元、应急缓冲环组,所述的两个夹持件组之间通过连接件连接,位于右侧布置的夹持件组右端设有可拆夹持单元,两个夹持件组的下端连有应急缓冲环组。本发明可以解决由于现有的连接件的结构固定化,在使用时不能根据两个钢管之间角度、位置变化进行适应性调节,在对一些倾斜状态的钢管搭接时,难以通过现有的连接件形成有效的连接,当连接件与竖立状态的钢管抱紧锁住后,可能受到重力的影响呈现下滑的趋势,人员难以及时发现,且人员仍在脚手架平台上工作,长期以往连接件因难以承受重力而下滑,从而导致脚手架局部化塌落的情况等问题。(The invention relates to a scaffold connecting piece for building construction, which comprises two clamping piece groups, a connecting piece, a detachable clamping unit and an emergency buffer ring group, wherein the two clamping piece groups are connected through the connecting piece, the detachable clamping unit is arranged at the right end of the clamping piece group arranged on the right side, and the emergency buffer ring group is connected to the lower ends of the two clamping piece groups. The invention can solve the problems that the existing connecting piece is fixed in structure, the adaptability adjustment can not be carried out according to the angle and position change between two steel pipes when in use, the effective connection is difficult to form through the existing connecting piece when some steel pipes in an inclined state are lapped, the connecting piece and the steel pipes in a vertical state are tightly held and locked, the downward sliding tendency is possibly influenced by gravity, the personnel are difficult to find in time, the personnel still work on a scaffold platform, the downward sliding of the connecting piece due to the difficulty in bearing the gravity is difficult to occur for a long time, the scaffold is locally collapsed, and the like.)

1. The utility model provides a scaffold puts up connecting piece for construction, includes two centre gripping group (1), connecting piece (2), removable centre gripping unit (3), emergent buffering ring group (4), its characterized in that: the two clamping piece groups (1) are connected through a connecting piece (2), a detachable clamping unit (3) is arranged at the right end of the clamping piece group (1) arranged on the right side, and the lower ends of the two clamping piece groups (1) are connected with an emergency buffer ring group (4);

the clamping piece group (1) comprises a clamping piece (11), two rotating grooves (12), two rotating mechanisms (13), two inlet and outlet grooves (14) and two resistance-increasing columns (15), wherein the outer wall of the clamping piece (11) is provided with the two rotating grooves (12), each rotating groove (12) is internally provided with one rotating mechanism (13), the upper end of the clamping piece (11) is provided with the two inlet and outlet grooves (14), the inlet and outlet grooves (14) and the rotating grooves (12) are vertically arranged, and the resistance-increasing columns (15) are arranged in the inlet and outlet grooves (14);

the rotating mechanism (13) comprises a rotating disc (131), a rotating block (132), a locking piece (133), a pointer (134), an embedded groove (135), an annular layer (136) and a rubber ring (137), the rotating block (132) is installed at the inner end of the rotating disc (131), the rotating block (132) is connected with the rotating groove (12) in a rotating fit mode, a threaded hole is formed in the upper end of the rotating disc (131), the locking piece (133) is arranged in the threaded hole, the rubber ring (137) is embedded into the inner wall of the rotating groove (12), the annular layer (136) is embedded into the inner end face of the rotating disc (131), the rotating block (132) is located inside the annular layer (136), the pointer (134) is installed at the lower end of the rotating disc (131), and the embedded groove (135) is formed in the outer end of the rotating disc;

the detachable clamping unit (3) comprises a first clamping block (31), a second clamping block (32), a fixing bolt (33), a first group increasing layer (34), a second group increasing layer (35), an extrusion cavity (36), an extrusion mechanism (37) and an embedding block (38), wherein the first clamping block (31) is connected with the second clamping block (32) through a thread fit mode, the first group increasing layer (34) is embedded in the inner wall of the first clamping block (31), the second group increasing layer (35) is embedded in the inner wall of the second clamping block (32), the extrusion cavity (36) is formed in the lower side of the left end of the second clamping block (32), the extrusion mechanism (37) is arranged inside the extrusion cavity (36), and the embedding block (38) is installed on the upper side of the left end of the second clamping block (32);

the emergency buffer ring group (4) comprises a rotating ring (41), a resistance block (42), a rotating round block (43), an internal spring (44) and two emergency mounting parts (45), wherein the upper end of the rotating round block (43) is uniformly provided with resistance increasing cavities along the circumferential direction, the width of the resistance increasing cavities is gradually enlarged from bottom to top, the internal spring (44) is connected between the bottom end of the resistance increasing cavities and the lower end of the resistance block (42), the upper end of the resistance block (42) is uniformly arranged on the lower end surface of the rotating ring (41) along the circumferential direction, the lower end of the clamping part (11) is provided with a semicircular groove, the semicircular groove is connected with the rotating ring (41) in a rotating fit manner, the lower end of the rotating round block (43) is provided with two emergency mounting pieces (45), the two emergency mounting pieces (45) are arranged in the front-back direction, and the emergency mounting parts (45) are connected with the rotary round block (43) in a rotating fit manner, and the two emergency mounting parts (45) are connected through a locking bolt.

2. The scaffolding connector as claimed in claim 1, wherein: retaining member (133) including locking bolt (1331), support tight piece (1332) and rubber sleeve (1333), be connected for screw-thread fit's mode between locking bolt (1331) and the screw hole, the inner of locking bolt (1331) is connected for the bearing with supporting between tight piece (1332), the surface parcel that supports tight piece (1332) has rubber sleeve (1333), closely laminate between rubber sleeve (1333) and rubber ring (137).

3. The scaffolding connector as claimed in claim 1, wherein: the outer wall of the clamping piece (11) is provided with angle scale marks which are annularly arranged, the angle scale marks and the rotating block (132) are coaxially arranged, and the pointer (134) points to the angle scale marks.

4. The scaffolding connector as claimed in claim 1, wherein: the embedded groove (135) is of a structure which gradually inclines outwards from bottom to top, and the embedded groove (135) arranged at the rightmost side is connected with the embedded block (38) in an embedded mode.

5. The scaffolding connector as claimed in claim 1, wherein: the lower side of the right end of the first clamping block (31) is provided with an insertion block, the upper side of the right end of the second clamping block (32) is provided with an insertion groove, and the insertion block is positioned in the insertion groove.

6. The scaffolding connector as claimed in claim 1, wherein: extrusion mechanism (37) including extrusion piece (371), receive piece (372) and rust-resistant spring (373), receive to be connected for sliding fit between the lower extreme of piece (372) and extrusion chamber (36), receive to link between piece (372) and the extrusion chamber (36) rust-resistant spring (373), receive the upper end laminating extrusion piece (371) of piece (372), extrusion piece (371) is located extrusion chamber (36).

7. The scaffolding connector as claimed in claim 6, wherein: the upper end of the extrusion block (371) is connected with the bearing block through a bearing, and the bearing block and the lower end of the fixing bolt (33) are in a tightly-abutting state.

8. The scaffolding connector as claimed in claim 1, wherein: the rotating ring (41) is connected by two arc-shaped frames in an embedded mode, and the rotating round block (43) is connected by two arc-shaped blocks in an embedded mode.

9. The scaffolding connector as claimed in claim 1, wherein: emergent installed part (45) be semi-circular structure, and the inner wall of emergent installed part (45) has laid rubber buffering ring, the lower terminal surface of rubber buffering ring is from last down for the structure of gradually inwards inclining.

Technical Field

The invention relates to the technical field of building construction spare and accessory parts, in particular to a scaffold connecting piece for building construction.

Background

The scaffold is the work platform who sets up in order to guarantee that each work progress goes on smoothly, and the scaffold often need use the connecting piece when installing, connects the scaffold through the connecting piece and builds, but, current connecting piece has some weak points when using:

1. because the structure of the existing connecting piece is fixed, the adaptability adjustment can not be carried out according to the angle and position change between two steel pipes when in use, and when some steel pipes in an inclined state are lapped, the effective connection is difficult to form through the existing connecting piece, which brings certain trouble to the use of a user;

2. after the connecting piece is locked with the steel pipe of erectting the state tightly, probably receive the influence of gravity to present the trend of gliding, personnel are difficult to in time discover, and personnel still work on the scaffold platform, and the connecting piece slided because of being difficult to bear gravity in the past for a long time to lead to the condition that the scaffold is localized to cave in.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a scaffold connecting piece for construction, includes that two centre gripping group, connecting piece, removable centre gripping unit, emergent buffering ring group, two centre gripping group between connect through the connecting piece, the centre gripping group right-hand member that is located the right side and arranges is equipped with removable centre gripping unit, the lower extreme of two centre gripping group even has emergent buffering ring group.

The clamping piece group comprises a clamping piece, two rotating grooves, two rotating mechanisms, two inlet and outlet grooves and two resistance-increasing columns, the outer wall of the clamping piece is provided with two rotating grooves, and the two rotating grooves are arranged at ninety degrees, each rotating groove is internally provided with a rotating mechanism, the upper end of the clamping piece is provided with two in-out grooves, and the inlet and outlet groove and the rotating groove are arranged up and down, and the inlet and outlet groove is internally provided with a resistance-increasing column, when in specific work, the detachable clamping unit is detached to determine the lapping position of the lapping steel pipe, thereby adjusting the angle of the rotating mechanism at the corresponding position, recombining and embedding the disassembled second clamping block and the rotating mechanism, combining the two clamping pieces on the scaffold steel pipe (in the vertical state), the two clamping pieces are locked through the connecting pieces, and the lap joint of the lap joint steel pipe and the scaffold steel pipe is carried out through the detachable clamping unit after the angle adjustment.

The rotating mechanism comprises a rotating disc, a rotating block, a locking piece, a pointer, an embedded groove, an annular layer and a rubber ring, wherein the rotating block is installed at the inner end of the rotating disc, the rotating block is connected with the rotating groove in a rotating matching mode, a threaded hole is formed in the upper end of the rotating disc, the locking piece is arranged in the threaded hole, the rubber ring is embedded in the inner wall of the rotating groove, the annular layer is embedded in the inner end face of the rotating disc, the rotating block is located inside the annular layer, the pointer is installed at the lower end of the rotating disc, the embedded groove is formed in the outer end of the rotating disc, during specific work, the angle of the rotating disc is adjusted according to the pointer and the angle scale mark, after adjustment is finished, the locking piece is rotated to enable the locking piece to be abutted against the rubber ring, the angle of the rotating disc is determined, when the two clamping pieces are combined on a scaffold steel pipe (in an upright state) and locked, thereby further locking the rotation position of the angle-adjusted rotating disc.

The detachable clamping unit comprises a first clamping block, a second clamping block, a fixing bolt, a first group increasing layer, a second group increasing layer, an extrusion cavity, an extrusion mechanism and an embedded block, wherein the first clamping block and the second clamping block are connected with the fixing bolt in a threaded fit mode, the first group increasing layer is embedded in the inner wall of the first clamping block, the second group increasing layer is embedded in the inner wall of the second clamping block, the first group increasing layer and the second group increasing layer are made of rubber materials, the first group increasing layer and the second group increasing layer are arranged to play a role in increasing resistance, the embedded connection mode is adopted, after the scaffold steel pipe and the lap-jointed steel pipe are disassembled, the scaffold steel pipe can be replaced according to the damage condition of the first group increasing layer and the second group increasing layer, the effective resistance increasing of the scaffold steel pipe and the second group increasing layer is ensured, the extrusion cavity is arranged on the lower side of the left end of the second clamping block, the extrusion mechanism is arranged in the extrusion cavity, the embedded block is arranged on the upper side of the left end, when the clamping mechanism works specifically, when the detachable clamping unit needs to be detached, only the fixing bolt needs to be rotated to take out the clamping unit, the clamping mechanism is separated from the rotating disc in an unlocking mode, the detachable clamping unit is taken out from the embedded groove integrally, when the detachable clamping unit needs to be placed into the lap-joint steel pipe, the embedded block is inserted into the embedded groove in an inclined mode, so that the second clamping block is connected with the rotating disc in a hanging mode, the lap-joint steel pipe is placed on the second clamping block, the first clamping block is clamped into the upper end of the second clamping block, the lap-joint steel pipe is in embracing, the first clamping block is locked again by screwing the fixing bolt, and the second clamping block is re-locked by screwing the fixing bolt, and the extruding mechanism is embedded between the extruding mechanism and the rotating disc.

The emergency buffer ring group comprises a rotating ring, a resistance block, a rotating round block, a built-in spring and two emergency mounting parts, wherein the upper end of the rotating round block is uniformly provided with resistance increasing cavities along the circumferential direction, the width of the resistance increasing cavities is gradually enlarged from bottom to top, the built-in spring is connected between the bottom end of the resistance increasing cavities and the lower end of the resistance block, the upper end of the resistance block is uniformly arranged on the lower end surface of the rotating ring along the circumferential direction, the lower end of a clamping part is provided with a semicircular groove, the semicircular groove is connected with the rotating ring in a rotating fit manner, the lower end of the rotating round block is provided with two emergency mounting parts, the two emergency mounting parts are arranged in a front-back manner, the emergency mounting parts are connected with the rotating round block in a rotating fit manner, the two emergency mounting parts are connected through locking bolts, and during specific work, the emergency buffer ring group is only required to be temporarily, the emergency buffer ring group to be disassembled is embraced with the scaffold steel pipe, the emergency buffer ring group to be disassembled is locked again through the locking bolt, at the moment, the two locked clamping piece groups are not pressed down corresponding to the emergency buffer ring group, the emergency buffer ring group is arranged to play an emergency blocking role below the two locked clamping piece groups, when the two locked clamping piece groups slightly slide down after being pressed, the sliding down is firstly delayed through the resistance blocks, and when the sliding down is difficult to prevent, the two locked emergency mounting piece groups are secondarily supported and fixed, the clamping piece groups and the emergency mounting pieces are arranged, and the steel pipe collapse after the overlapping is reduced in a double-locking mode for the scaffold steel pipe.

Preferably, the retaining member include locking bolt, support tight piece and rubber sleeve, be connected for screw-thread fit's mode between locking bolt and the screw hole, the inner of locking bolt with support and be connected for the bearing between the tight piece, the surface parcel of supporting tight piece has the rubber sleeve, closely laminate between rubber sleeve and the rubber ring.

Preferably, the outer wall of the clamping piece is provided with angle scale marks which are annularly arranged, the angle scale marks and the rotating block are coaxially arranged, and the pointer points to the angle scale marks.

Preferably, the embedded groove is of a structure which gradually inclines outwards from bottom to top, and the embedded groove arranged at the rightmost side is connected with the embedded block in an embedded mode.

Preferably, the insertion block is installed on the lower side of the right end of the first clamping block, the insertion groove is formed in the upper side of the right end of the second clamping block, and the insertion block is located in the insertion groove.

Preferably, the extrusion mechanism include extrusion piece, receive the piece and rust-resistant spring, receive to be connected for the embedding between the left end of piece and the rolling disc, receive to be connected for sliding fit between the lower extreme in piece and extrusion chamber, receive to link between piece and the extrusion chamber and have rust-resistant spring, receive the upper end laminating extrusion piece of piece, the extrusion piece is located the extrusion intracavity.

Preferably, the upper end of the extrusion block is connected with the bearing block through a bearing, and the bearing block and the lower end of the fixing bolt are in a tight state.

Preferably, the rotating ring is connected by two arc-shaped frames in an embedded mode, and the rotating round block is connected by two arc-shaped blocks in an embedded mode.

Preferably, the emergency mounting part is of a semicircular structure, a rubber buffer ring is laid on the inner wall of the emergency mounting part, and the lower end face of the rubber buffer ring is of a structure which gradually inclines inwards from top to bottom.

(II) advantageous effects

1. According to the scaffold connecting piece for building construction, the structure is designed by adopting a recombined detachable design, so that the scaffold connecting piece is suitable for lapping between any angle and any position between two steel pipes, the utilization rate is improved, the locking effect between the scaffold connecting piece and a steel pipe in a vertical state is improved by a double locking mode, the building firmness rate between the two steel pipes is improved, and the condition of local collapse is reduced;

2. according to the scaffold connecting piece for building construction, the angle between the rotating mechanism and the clamping piece can be reset and locked, so that the scaffold connecting piece is suitable for steel pipe lap joint between different angles, and the angle retention rate of the rotating disc after rotation is improved in a manner of double abutting of the resistance-increasing column and the locking piece;

3. according to the scaffold connecting piece for building construction, the detachable clamping unit is connected with the rotating mechanism in an inclined insertion mode, and can be recombined with the embedded grooves in the rotating discs at different positions, so that the scaffold connecting piece is suitable for lapping two steel pipes in different directions;

4. according to the scaffold connecting piece for building construction, the emergency buffer ring group is not connected with the two locked clamping pieces in a downward pressing mode, when the two locked clamping pieces cannot bear gravity to slide downwards easily, the emergency buffer ring group can support and abut against the two sliding clamping pieces for the second time, the effect of supporting again is achieved, and the situation of local collapse is reduced due to double insurance.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a cross-sectional view of FIG. 1 of the present invention;

FIG. 3 is a schematic perspective view of the rotary ring, the resistance block, the rotary round block and the built-in spring of the present invention;

FIG. 4 is an enlarged view of the invention in section X of FIG. 2;

FIG. 5 is an enlarged view of the Y-direction portion of FIG. 2 of the present invention;

fig. 6 is a partial enlarged view of fig. 2 taken in the direction Z.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 6, the scaffold connecting piece for building construction comprises two clamping piece groups 1, a connecting piece 2, a detachable clamping unit 3 and an emergency buffer ring group 4, wherein the two clamping piece groups 1 are connected through the connecting piece 2, the detachable clamping unit 3 is arranged at the right end of the clamping piece group 1 arranged on the right side, and the emergency buffer ring group 4 is connected to the lower ends of the two clamping piece groups 1.

The clamping piece group 1 comprises a clamping piece 11, two rotating grooves 12, two rotating mechanisms 13, two in-out grooves 14 and two resistance-increasing columns 15, the outer wall of the clamping piece 11 is provided with the two rotating grooves 12, and two rotating grooves 12 are arranged at ninety degrees, each rotating groove 12 is internally provided with a rotating mechanism 13, the upper end of the clamping piece 11 is provided with two in-out grooves 14, and the in-out groove 14 and the rotating groove 12 are arranged up and down, the in-out groove 14 is internally provided with a resistance-increasing column 15, when in specific work, the detachable clamping unit 3 is detached to determine the lapping position of the lapped steel pipe, thereby adjusting the angle of the rotating mechanism 13 at the corresponding position, recombining and embedding the disassembled second clamping block 32 and the rotating mechanism 13, combining the two clamping pieces 11 on the scaffold steel pipe (in the vertical state), two clamping pieces 11 are locked through a connecting piece 2, and the lap joint of the lap joint steel pipe and the scaffold steel pipe is carried out through a detachable clamping unit 3 after the angle adjustment.

The rotating mechanism 13 comprises a rotating disc 131, a rotating block 132, a locking piece 133, a pointer 134, an embedded groove 135, an annular layer 136 and a rubber ring 137, wherein the rotating block 132 is installed at the inner end of the rotating disc 131, the rotating block 132 is connected with the rotating groove 12 in a rotating fit manner, a threaded hole is formed in the upper end of the rotating disc 131, the locking piece 133 is arranged in the threaded hole, the rubber ring 137 is embedded in the inner wall of the rotating groove 12, the annular layer 136 is embedded in the inner end face of the rotating disc 131, the rotating block 132 is located inside the annular layer 136, the pointer 134 is installed at the lower end of the rotating disc 131, the embedded groove 135 is formed in the outer end of the rotating disc 131, when the rotating mechanism works specifically, the angle of the rotating disc 131 is adjusted according to the correspondence between the pointer 134 and an angle scale line, after the adjustment is finished, the locking piece 133 is rotated to be abutted against the rubber ring 137, so as to determine the angle of the rotating disc 131, when, at this time, the resistance-increasing column 15 is pressed by the outer wall of the scaffold steel pipe to abut against the annular layer 136, thereby further locking the rotational position of the angularly adjusted rotating disc 131.

The detachable clamping unit 3 comprises a first clamping block 31, a second clamping block 32, a fixing bolt 33, a first group increasing layer 34, a second group increasing layer 35, an extrusion cavity 36, an extrusion mechanism 37 and an embedded block 38, wherein the first clamping block 31 is connected with the second clamping block 32 through a thread fit mode and the fixing bolt 33, the first group increasing layer 34 is embedded in the inner wall of the first clamping block 31, the second group increasing layer 35 is embedded in the inner wall of the second clamping block 32, the first group increasing layer 34 and the second group increasing layer 35 are made of rubber materials, the first group increasing layer 34 and the second group increasing layer 35 are arranged to play a role in increasing resistance, the embedded connection mode is adopted, after the scaffold steel pipe and the lapped steel pipe are disassembled, the scaffold steel pipe can be replaced according to the damage conditions of the first group increasing layer 34 and the second group increasing layer 35, the effective resistance increasing of the scaffold steel pipe is ensured, the extrusion cavity 36 is arranged at the lower side of the left end of the second clamping block 32, the extrusion mechanism 37 is arranged in the extrusion cavity 36, the embedded block 38 is installed on the upper side of the left end of the second clamping block 32, during specific work, when the detachable clamping unit 3 needs to be detached, only the fixing bolt 33 needs to be rotated to take out the detachable clamping unit 3, the extruding mechanism 37 is separated from the rotating disc 131 in an unlocking mode, the detachable clamping unit 3 is integrally taken out from the embedded groove 135, when the lap-jointed steel pipe needs to be placed into the detachable clamping unit 3, the embedded block 38 is firstly obliquely inserted into the embedded groove 135, the second clamping block 32 is connected with the rotating disc 131 in a hanging mode, the lap-jointed steel pipe is placed on the second clamping block 32, the first clamping block 31 is clamped into the upper end of the second clamping block 32, the lap-jointed steel pipe is in an embracing mode, the first clamping block 31 and the second clamping block 32 are locked again by screwing the fixing bolt 33, and the extruding mechanism 37 is embedded again between the rotating disc 131 after being extruded.

The emergency buffer ring group 4 comprises a rotating ring 41, a resistance block 42, a rotating round block 43, an internal spring 44 and two emergency mounting parts 45, wherein the upper end of the rotating round block 43 is uniformly provided with resistance increasing cavities along the circumferential direction, the width of the resistance increasing cavities is gradually enlarged from bottom to top, the internal spring 44 is connected between the bottom end of the resistance increasing cavities and the lower end of the resistance block 42, the upper end of the resistance block 42 is uniformly arranged on the lower end surface of the rotating ring 41 along the circumferential direction, the lower end of the clamping part 11 is provided with a semicircular groove, the semicircular groove is connected with the rotating ring 41 in a rotating fit manner, the lower end of the rotating round block 43 is provided with two emergency mounting parts 45, the two emergency mounting parts 45 are arranged in a front-back manner, the emergency mounting parts 45 are connected with the rotating round block 43 in a rotating fit manner, the two emergency mounting parts 45 are connected through locking bolts, during specific work, the installation, the rotating ring, so that the emergency buffer ring group 4 is in a disassembled state, the disassembled emergency buffer ring group 4 is clasped with the scaffold steel pipe, the disassembled emergency buffer ring group 4 is locked again through the locking bolt, at the moment, the two clamping piece groups 1 after being locked are not pressed downwards corresponding to the emergency buffer ring group 4, the emergency buffer ring group 4 is arranged to play an emergency blocking role under the two clamping piece groups 1 after being locked, when the two locked clamping piece groups 1 slightly slide down after being pressed heavily, the two locked clamping piece groups firstly slide down slowly through the resistance blocks 42, and when the two locked clamping piece groups are difficult to stop, the two clamping piece groups 1 sliding downwards are supported and fixed for the second time through the two locked emergency mounting parts 45, the arrangement of the clamping piece groups 1 and the emergency mounting parts 45, the scaffold steel pipe is locked in a double mode, so that the condition that the lapped steel pipe collapses is reduced.

Retaining member 133 include locking bolt 1331, support tight piece 1332 and rubber sleeve 1333, be connected for screw-thread fit's mode between locking bolt 1331 and the screw hole, the inner of locking bolt 1331 is connected for the bearing with supporting between the tight piece 1332, the surface parcel of supporting tight piece 1332 has rubber sleeve 1333, can change after the steel pipe is dismantled when rubber sleeve 1333 appears damaging, closely laminate between rubber sleeve 1333 and the rubber ring 137, the angle locking rate after the carousel 131 rotates has been improved through the mode that increases the resistance.

The outer wall of the clamping member 11 is provided with angle scale marks which are annularly arranged, the angle scale marks and the rotating block 132 are coaxially arranged, the pointer 134 points to the angle scale marks, and the angle of the rotating disc 131 is adjusted according to the correspondence between the pointer 134 and the angle scale marks.

The embedded groove 135 is of a gradually outward inclined structure from bottom to top, the second clamping block 32 is hung on the rotating disc 131 in an inclined insertion mode, the embedded connection effect is achieved, and the embedded groove 135 arranged at the rightmost side and the embedded block 38 are connected in an embedded mode.

The right end lower side of the first clamping block 31 is provided with an insertion block, the right end upper side of the second clamping block 32 is provided with an insertion groove, the insertion block is positioned in the insertion groove, and the right ends of the first clamping block and the second clamping block are in insertion connection.

Extrusion mechanism 37 including extrusion piece 371, receive piece 372 and rust-resistant spring 373, receive to be connected for the embedding between the left end of piece 372 and the rolling disc 131, receive to be connected for sliding fit between the lower extreme of piece 372 and extrusion chamber 36, it has rust-resistant spring 373 to receive to link between piece 372 and the extrusion chamber 36, receive the upper end laminating extrusion piece 371 of piece 372, extrusion piece 371 is located extrusion chamber 36, in concrete during operation, need be with a grip block 31, No. two grip blocks 32, when pinning between the rolling disc 131, only need block 31 card into No. two behind grip blocks 32, twist fixing bolt 33 and make its lower extreme support and push extrusion piece 371 descends after the piece, will receive piece 372 to stretch out left through the extruded mode, thereby form the embedding locking between with the rolling disc 131.

The upper end of the extrusion block 371 is connected with the bearing block through a bearing, and the bearing block and the lower end of the fixing bolt 33 are in a tight state.

The rotating ring 41 is connected by two arc-shaped frames in an embedded mode, the rotating round block 43 is connected by two arc-shaped blocks in an embedded mode, the rotating ring 41 and the rotating round block 43 are both in detachable connection, and the rotating ring 41 and the rotating round block 43 which are disassembled can be connected in an embedded mode again after embracing the scaffold steel pipe.

Emergent installed part 45 be semi-circular structure, and the rubber buffering ring has been laid to the inner wall of emergent installed part 45, the lower terminal surface of rubber buffering ring has been played the effect that increases the resistance for down the structure of gradually leanin from last.

The working process is as follows:

the method comprises the following steps: the detachable clamping unit 3 is detached, the placing angle of the overlapped steel pipe is determined, so that the angle of the rotating mechanism 13 at the overlapping position is adjusted, and after the angle is determined, the embedded block 38 is obliquely inserted into the embedded groove 135, so that the second clamping block 32 is connected with the rotating disc 131 in a hanging manner;

step two: the two clamping pieces 11 are combined on a scaffold steel pipe (in a vertical state), the two clamping pieces 11 are locked through the connecting piece 2, the emergency buffer ring group 4 is tightly locked on the scaffold steel pipe, and the emergency buffer ring group 4 plays an emergency supporting role on the two clamping pieces 11 after being tightly locked;

step three: place the overlap joint steel pipe on No. two grip blocks 32, go into the upper end of No. two grip blocks 32 with a grip block 31 card to form to embrace the overlap joint steel pipe, through twisting fixing bolt 33 to a grip block 31, No. two grip blocks 32 relocking, simultaneously, will receive the piece 372 through the extruded mode and stretch out left, thereby with insert the locking again between the rolling disc 131, the overlap joint finishes between the steel pipe.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.