CN111255951B - Concrete pump pipe fixing structure for super high-rise building construction - Google Patents

Concrete pump pipe fixing structure for super high-rise building construction Download PDF

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Publication number
CN111255951B
CN111255951B CN202010049384.1A CN202010049384A CN111255951B CN 111255951 B CN111255951 B CN 111255951B CN 202010049384 A CN202010049384 A CN 202010049384A CN 111255951 B CN111255951 B CN 111255951B
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China
Prior art keywords
plate
rod
spring
rod body
sliding
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CN202010049384.1A
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CN111255951A (en
Inventor
胡力绳
曹浪
丁立华
李兵
董万军
邓小秋
王冬根
徐杨
付海龙
李享
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China Railway Erju Co Ltd
Shenzhen China Railway Second Bureau Engineering Co Ltd
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China Railway Erju Co Ltd
Shenzhen China Railway Second Bureau Engineering Co Ltd
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Priority to CN202010049384.1A priority Critical patent/CN111255951B/en
Publication of CN111255951A publication Critical patent/CN111255951A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/10Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
    • F16L3/1091Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members, the two members being fixed to each other with fastening members on each side
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/22Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
    • F16L3/223Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals each support having one transverse base for supporting the pipes
    • F16L3/227Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals each support having one transverse base for supporting the pipes each pipe being supported by a separate element fastened to the base

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to a concrete pump pipe fixing structure for super high-rise building construction, which belongs to the technical field of building construction and comprises a square frame, wherein the square frame comprises a first rod body and a second rod body, a connecting rod is arranged between the first rod body and the second rod body, a plurality of sliding rods penetrate through the first rod body and are connected with the first rod body in a sliding mode, an arc plate is arranged at the end part, close to the second rod body, of each sliding rod, a connecting plate is arranged at the end part, far away from the second rod body, of each sliding rod, a first spring is arranged between each connecting plate and the first rod body, one end of each first spring is connected to each connecting plate, the other end of each first spring is connected to the first rod body, each first spring is sleeved on the first rod body, the pump pipes can be fixed by driving the arc plate to move by resisting the elasticity of the first springs, the fixing mode is convenient and simple, and the installation efficiency of installation personnel is improved.

Description

Concrete pump pipe fixing structure for super high-rise building construction
Technical Field
The invention relates to the technical field of building construction, in particular to a concrete pump pipe fixing structure for super high-rise building construction.
Background
The concrete pump pipe is called concrete pump pipe because concrete is called concrete for short. It is very easy to understand, the pump line is along with the appearance of concrete pump and the emergence of a novel building engineering accessory product simultaneously, and its appearance has improved the efficiency of construction greatly, need in the past with artifical or crane a bucket or the operation mode of a fill change into the quick concrete and carry the place that needs the pouring, make the efficiency of construction improve nearly hundred times.
Chinese patent with the publication number of grant CN202039606U discloses a super high-rise building construction concrete pump pipe fixed knot constructs, including being the body frame that the rectangle level was placed, the one end and the building fixed connection of body frame, the other end of body frame are equipped with the square frame, and the square frame endotheca is equipped with the pump line, and the pump line passes through the hoop to be fixed on the square frame, and each slant in both sides limit of body frame is connected with the landing leg, the end and the building fixed connection of landing leg, the hoop passes through two nuts with the square frame and fixes.
But its weak point lies in, through hoop and the fixed mode of two nuts to the pump line, when the building is higher, operating personnel need twist and move a plurality of nuts in order to accomplish the fixed to the pump line, and the fixed mode is comparatively loaded down with trivial details, has reduced installer's installation effectiveness.
Disclosure of Invention
The invention aims to provide a concrete pump pipe fixing structure for super high-rise building construction, which is convenient for fixing a pump pipe and can improve the installation efficiency of installation personnel.
The above object of the present invention is achieved by the following technical solutions:
a concrete pump pipe fixing structure for super high-rise building construction comprises a square frame, wherein the square frame comprises a first rod body and a second rod body which are parallel to each other and arranged at intervals, one end of the first rod body and one end of the second rod body are used for being fixed with a building, a connecting rod is arranged between the other ends of the first rod body and the second rod body, a plurality of sliding rods are arranged on the first rod body in a penetrating and sliding connection mode, an arc plate used for being attached to the outer wall of a pump pipe is arranged at the end portion, close to the second rod body, of each sliding rod, a connecting plate is arranged at the end portion, far away from the second rod body, of each sliding rod and perpendicular to the corresponding sliding rod, a strip-shaped opening is formed in the first rod body in the length direction of the first rod body, sliding grooves are formed in the strip-shaped openings and on the surfaces opposite to the strip-shaped openings, a plate body located in the strip-shaped opening is arranged on the sliding rod and perpendicular to the sliding rods, and a first spring is arranged between the connecting plate body, the first spring is sleeved on the sliding rod, one end of the first spring is connected to the connecting plate, the other end of the first spring is connected to the plate body, and sliding blocks which are connected to the sliding grooves in the two sides in a sliding mode are arranged on the plate body and located on the edges of the two sides of the plate body.
By adopting the technical scheme, when the pump pipe is required to be fixed in the square frame, the pump pipe is arranged on the second rod body, the arc plate can resist the elastic force of the first spring and abut against the outer wall of the pump pipe, so that the pump pipe is abutted against the second rod body, the pump pipe is fixed in the square frame by depending on the abutting force of the arc plate, the fixing of the pump pipe can be completed by driving the arc plate to move by resisting the elastic force of the first spring, the fixing mode is convenient and simple, the installation efficiency of an installer is improved, the plate body can drive the sliding rod to move along the length direction of the strip-shaped opening by driving the sliding block on the plate body to move in the sliding groove, the position of the arc plate in the square frame is adjusted, the pump pipe can be fixed to any position in the square frame by the arc plate, the distance between the pump pipes with different specifications is adjusted, and the fixing effect of the arc plate is improved.
The invention is further configured to: the utility model discloses a slide block, including first body of rod, second body of rod, first body of rod deviates from the second body of rod on and be located bar open-ended both sides and seted up out the mouth, it all is the intercommunication setting with bar mouth and spout to take out the mouth, take out the position setting that the mouth is located bar open-ended tip place, take out the mouth and be used for supplying the plate body to drive the slider and shift out in the spout, the width of circular arc board is less than bar open-ended width.
Through adopting above-mentioned technical scheme, remove to the position at takeout mouth place through the slider that drives on the plate body, drive the slider on the plate body and shift out in taking out the mouth for the plate body can drive slide bar and arc plate and take off on the square frame, thereby conveniently adjust the quantity of arc plate in the square frame, make the square frame can fix the pump line of different quantity, further improved the result of use of square frame.
The invention is further configured to: the two side edges of the arc plate far away from the rod body are provided with abutting plates, and the edges of the abutting plates far away from the arc plate are abutted to the surface of the second rod body facing the first rod body.
Through adopting above-mentioned technical scheme, the setting up of butt board has increased the area of contact between pump line and the arc board, prevents that the arc board from driving the pump line and breaking away from with the pump line butt back to fixed effect to the second body of rod with the pump line is fixed has been improved.
The invention is further configured to: the utility model discloses a butt joint plate, including the first body of rod of first body of rod, the second body of rod has been seted up on the face of the first body of rod of second body of rod, the length direction of the second body of rod of cell sets up, the length direction of following the cell body in the cell body is provided with the rack, the edge that the arc board was kept away from to the butt joint plate is provided with and is used for the joint piece of joint to the rack between the adjacent tooth portion.
By adopting the technical scheme, the abutting plate can resist the elasticity of the first spring to drive the clamping block to be clamped between the adjacent tooth parts on the rack, so that the arc plate is prevented from driving the sliding block to move in the sliding groove when the pump pipe is abutted to the second rod body, the pump pipe is prevented from being driven to move on the second rod body after being fixed, and the fixing effect of fixing the pump pipe to the second rod body is improved; the rack and the clamping block are arranged so that the pump pipe can be fixed to any position on the second rod body.
The invention is further configured to: the butt joint board sets up to extending structure, and extending structure includes that one side is connected to the fixed plate on the circular arc board, peg graft and sliding connection have the expansion plate in the fixed plate, the joint piece is connected to on the edge that the fixed plate was kept away from to the expansion plate.
Through adopting above-mentioned technical scheme, set up the butt plate into extending structure, when the elastic force butt joint that the expansion plate resisted first spring was to the second body of rod on, can drive the expansion plate and remove in the dead lever for the butt plate changes its length, thereby makes circular arc board and butt plate applicable in the pump line of different specifications to a certain extent, has improved the result of use of circular arc board and butt plate.
The invention is further configured to: the abutting plate is internally provided with a second spring, two ends of the second spring are respectively connected to the bottom wall of the fixed plate and the bottom wall of the telescopic plate far away from the inserting position of the fixed plate and the telescopic plate, and the elastic force of the second spring is smaller than that of the first spring.
Through adopting above-mentioned technical scheme, the setting of second spring can make the expansion plate resist between the adjacent tooth portion on the elasticity drive joint piece butt to the rack of second spring, prevent that the pump line from driving the expansion plate and remove in the fixed plate, be less than the elasticity of first spring with the elasticity of second spring for the circular arc board can resist the elasticity of first spring at first with the outer wall laminating of pump line, the expansion plate can resist the elasticity drive joint piece joint of second spring and go up between the adjacent tooth portion on the rack this moment.
The invention is further configured to: and a handle is arranged on the surface of the connecting plate, which is far away from the plate body.
Through adopting above-mentioned technical scheme, setting up of handle provides the application of force point for pulling the slide bar removal, and the elasticity that conveniently resists first spring drives the slide bar and removes.
In conclusion, the beneficial technical effects of the invention are as follows:
the arc plate can resist the elasticity butt joint of first spring to the outer wall of pump line on to make the pump line by the butt to the second body of rod on, make the pump line fixed to the second body of rod, drive the slide bar through the elasticity that resists the spring and remove and can accomplish the fixed to the pump line, fixed mode is convenient simple, has improved installer's installation effectiveness.
Drawings
FIG. 1 is a schematic overall structure of the present invention;
FIG. 2 is a schematic diagram of the present invention showing the structure of the slider;
fig. 3 is a schematic diagram of an exploded structure of the present invention for showing the second spring.
In the figure, 1, a first rod body; 11. a second rod body; 111. a trough body; 112. a rack; 12. a connecting rod; 13. a slide bar; 131. a circular arc plate; 132. a connecting plate; 133. a first spring; 134. a plate body; 135. a slider; 136. a butt joint plate; 137. a clamping block; 138. a fixing plate; 139. a retractable plate; 14. a strip-shaped opening; 141. a chute; 15. a take-out port; 16. a second spring; 17. a handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the concrete pump pipe fixing structure for super high-rise building construction disclosed by the invention comprises a square frame.
As shown in fig. 1, the square frame includes a first rod 1 and a second rod 11 that are parallel to each other and spaced apart from each other, one end of the first rod 1 and one end of the second rod 11 are used for fixing with a building, and a connecting rod 12 is disposed between the other ends.
Referring to fig. 1 and 2, in order to fix the pump tube to the second rod 11, a plurality of sliding rods 13 penetrate through and are slidably connected to the first rod 1, an arc plate 131 for being attached to the outer wall of the pump tube is disposed at an end of the sliding rod 13 close to the second rod 11, a connecting plate 132 is disposed at an end of the sliding rod 13 away from the second rod 11 and perpendicular to the sliding rod 13, a strip-shaped opening 14 is disposed on the first rod 1 along the length direction of the first rod 1, sliding slots 141 are disposed in the strip-shaped opening 14 and on a surface opposite to the strip-shaped opening 14, a plate 134 disposed in the strip-shaped opening 14 is disposed on the sliding rod 13 and perpendicular to the sliding rod 13, a first spring 133 is disposed between the connecting plate 132 and the plate 134, the first spring 133 is sleeved on the sliding rod 13, one end of the first spring 133 is connected to the connecting plate 132, and the other end is connected to the plate 134, the plate body 134 is provided with sliding blocks 135 slidably connected to the sliding grooves 141 at both sides thereof at both side edges of the plate body 134.
When the pump pipe needs to be fixed to the second rod body 11, the pump pipe is arranged on the second rod body 11, when the first spring 133 is in a compressed state, the arc plate 131 can resist the elastic force of the first spring 133 to drive the arc plate 131 to abut against the second rod body 11, the pump pipe is arranged below the arc plate 131 at the moment, the spring is further extruded to the compressed state, the arc plate 131 resists the elastic force of the spring to abut against the pump pipe, the pump pipe is abutted against the second rod body 11, and the sliding rod 13 is driven to move by resisting the elastic force of the first spring 133 to complete the fixation of the pump pipe, so that the fixing mode is convenient and simple, and the installation efficiency of an installer is improved; when the position of the sliding rod 13 needs to be adjusted, the sliding block 135 on the plate body 134 is driven to move in the sliding groove 141, so that the plate body 134 can drive the sliding rod 13 to move along the length direction of the strip-shaped opening 14, the position of the sliding rod 13 is adjusted, the sliding rod 13 can be located at different positions on the first rod body 1 to fix the pump pipe, and the using effects of the sliding rod 13 and the arc plate 131 are improved.
Referring to fig. 1 and 2, in order to facilitate the sliding rod 13 to be pulled to move, a handle 17 is provided on a surface of the connecting plate 132 facing away from the plate 134.
Combine fig. 1 and fig. 2, in order to take out plate body 134 drive slider 135 in spout 141, thereby conveniently adjust the quantity of slide rod 13 on the first body of rod 1, thereby conveniently fix the pump line of different quantity, just be located bar opening 14's both sides and seted up out mouthful 15 on the face that first body of rod 1 deviates from the second body of rod 11, it all is the intercommunication setting with bar mouth and spout 141 to take out mouthful 15, it is located the position setting at bar opening 14's tip place to take out mouthful 15, the width of arc board 131 is less than bar opening 14's width.
When the sliding rod 13 needs to drive the slider 135 on the plate 134 to move out of the outlet 15, the slider 135 on the plate 134 is driven to move in the sliding groove 141 toward the position of the outlet 15, and when the slider 135 moves to the position of the outlet 15, the plate 134 drives the slider 135 to move out of the outlet 15, so that the sliding rod 13 can drive the arc plate 131 to pass through the strip-shaped opening 14 because the width of the arc plate 131 is smaller than that of the strip-shaped opening 14, thereby adjusting the number of the sliding rods 13 on the first rod body 1.
With reference to fig. 1 and fig. 2, in order to improve the fixing effect of the arc plate 131 on the pump tube, abutting plates 136 are disposed on both side edges of the arc plate 131 away from the rod body, and the edge of the abutting plate 136 away from the arc plate 131 abuts against the surface of the second rod body 11 facing the first rod body 1; the setting of butt plate 136 can play the effect that blocks to the pump line, prevents to break away from between pump line and the circular arc board 131.
Referring to fig. 1 and 2, in order to fix pump pipes with different specifications to a certain extent, the abutting plate 136 is configured to be a telescopic structure, the telescopic structure includes a fixing plate 138 connected to the arc plate 131 at one side, and a telescopic plate 139 is inserted and slidably connected in the fixing plate 138.
When the retractable plate 139 resists the elastic force of the first spring 133 to abut against the second rod 11, the retractable plate 139 itself can be driven to move in the fixing plate 138, so as to adjust the length of the abutting plate 136, and the fixing rod and the retractable rod can fix pump pipes with different specifications.
With reference to fig. 1 and fig. 2, in order to prevent the arc plate 131 from driving the abutting plate 136 to fix the pump tube to the second rod 11 and then drive the slider 135 to move in the sliding groove 141, thereby preventing the arc plate 131 and the abutting plate 136 from driving the pump tube to move on the second rod 11, a groove 111 is formed on the surface of the second rod 11 facing the first rod 1, the length direction of the groove 111 is arranged along the length direction of the second rod 11, a rack 112 is arranged in the groove 111 along the length direction of the groove 111, and the edge of the expansion plate 139 away from the arc plate 131 is provided with a clamping block 137 for clamping to the rack 112 between adjacent teeth.
Referring to fig. 2 and 3, in order to prevent the clamping block 137 from moving in the fixing plate 138 after being clamped between the adjacent teeth on the rack 112, a second spring 16 is disposed in the abutting plate 136, two ends of the second spring 16 are respectively connected to the bottom walls of the fixing plate 138 and the telescopic plate 139 away from the insertion position, and the elastic force of the second spring 16 is smaller than that of the first spring 133.
When the arc plate 131 resists the elasticity of the first spring 133 and abuts against the outer wall of the pump pipe, the elasticity of the second spring 16 is smaller than the elasticity of the first spring 133, so that the expansion plate 139 can resist the elasticity of the second spring 16 to drive the clamping block 137 to be clamped between the adjacent tooth parts on the rack 112, the arc plate 131 cannot abut against the pump pipe due to the overlarge elasticity of the second spring 16 is prevented, and the clamping effect of the clamping block 137 between the adjacent tooth parts on the rack 112 is improved.
The implementation principle of the embodiment is as follows: when the pump tube needs to be fixed in the frame, firstly, the number of the sliding rods 13 is determined according to the number of the pump tubes, the sliding rods 13 drive the sliding blocks 135 on the plate body 134 to move in the taking-out openings 15, so that the plate body 134 can drive the sliding blocks 135 to be connected into the sliding grooves 141 in a sliding manner, the position of each sliding rod 13 is adjusted, at this time, the pump tubes are placed on the second rod body 11, the arc plate 131 is driven to move by resisting the elastic force of the first spring 133, the arc plate 131 resists the elastic force of the first spring 133 to abut against the outer wall of the pump tube, at this time, the expansion plate 139 can resist the elastic force of the second spring 16 to move in the fixing plate 138, so that the expansion plate 139 can resist the elastic force of the second spring 16 to abut against between adjacent teeth parts on the rack 112, thereby preventing the plate body 134 from driving the sliding blocks 135 to move in the sliding grooves 141, preventing the pump tubes from moving on the second rod body 11, and enabling the pump tubes to be fixed on the second rod body 11, the fixing of the pump pipe can be completed by driving the sliding rod 13 to move by resisting the elastic force of the first spring 133, the fixing mode is convenient and simple, and the installation efficiency of installation personnel is improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (2)

1. The utility model provides a super high-rise building construction concrete pump pipe fixed knot constructs, includes the square frame, its characterized in that: the square frame includes two first body of rod (1) and the second body of rod (11) that are parallel to each other and the interval sets up, the one end of first body of rod (1) and second body of rod (11) is used for fixed with the building, is provided with connecting rod (12) between the other end, wear to establish and sliding connection has a plurality of slide bar (13) on the first body of rod (1), the tip that slide bar (13) are close to second body of rod (11) is provided with circular arc board (131) that are used for with the outer wall laminating of pump line, the tip perpendicular to slide bar (13) that second body of rod (11) were kept away from in slide bar (13) is provided with connecting plate (132), bar opening (14) have been seted up along the length direction of first body of rod (1) on the first body of rod (1), spout (141) have all been seted up in bar opening (14) and lie in bar opening (14) relative face, perpendicular to slide bar (13) are provided with the plate body (14) that lie in bar opening (14), (plate body) (11) 134) A first spring (133) is arranged between the connecting plate (132) and the plate body (134), the sliding rod (13) is sleeved with the first spring (133), one end of the first spring (133) is connected to the connecting plate (132), the other end of the first spring (133) is connected to the plate body (134), two side edges of the plate body (134) are provided with sliders (135) which are connected to the sliding chutes (141) on two sides in a sliding manner, the first rod body (1) deviates from the surface of the second rod body (11) and is positioned at two sides of the bar-shaped opening (14) to be provided with the extraction port (15), the extraction port (15) is communicated with the bar-shaped port and the sliding chutes (141), the extraction port (15) is positioned at the position of the end part of the bar-shaped opening (14), and the plate body (134) is used for driving the sliders (135) to move out of the sliding chutes (141), the width of the arc plate (131) is smaller than the width of the strip-shaped opening (14), two side edges of the arc plate (131) far away from the rod body are respectively provided with a butt joint plate (136), the edge of the arc plate (131) far away from the butt joint plate (136) is butted to the surface of the second rod body (11) facing the first rod body (1), the surface of the second rod body (11) facing the first rod body (1) is provided with a groove body (111), the length direction of the groove body (111) is arranged along the length direction of the second rod body (11), a rack (112) is arranged in the groove body (111) along the length direction of the groove body (111), the edge of the arc plate (131) far away from the butt joint plate (136) is provided with a clamping block (137) used for clamping to the rack (112) between adjacent tooth parts, the butt joint plate (136) is arranged to be a telescopic structure, and the telescopic structure comprises a fixing plate (138) connected to the arc plate (131) on one side, peg graft and sliding connection has expansion plate (139) in fixed plate (138), joint piece (137) are connected to expansion plate (139) and keep away from on the edge of fixed plate (138), be provided with second spring (16) in butt joint board (136), the both ends of second spring (16) are connected to respectively on fixed plate (138) and expansion plate (139) keep away from its diapire of grafting position, the elasticity of second spring (16) is less than the elasticity of first spring (133).
2. The super high-rise building construction concrete pump pipe fixing structure of claim 1, characterized in that: the surface of the connecting plate (132) departing from the plate body (134) is provided with a handle (17).
CN202010049384.1A 2020-01-16 2020-01-16 Concrete pump pipe fixing structure for super high-rise building construction Active CN111255951B (en)

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