CN113941791B - Piping tool for concrete pipe support of pump truck arm support - Google Patents

Piping tool for concrete pipe support of pump truck arm support Download PDF

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Publication number
CN113941791B
CN113941791B CN202111030591.3A CN202111030591A CN113941791B CN 113941791 B CN113941791 B CN 113941791B CN 202111030591 A CN202111030591 A CN 202111030591A CN 113941791 B CN113941791 B CN 113941791B
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China
Prior art keywords
sleeve
pipe
assembly
pump truck
arm support
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CN202111030591.3A
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CN113941791A (en
Inventor
卜和蛰
施棋博
左杰
张萌
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Priority to CN202111030591.3A priority Critical patent/CN113941791B/en
Publication of CN113941791A publication Critical patent/CN113941791A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The invention discloses a piping tool for a concrete pipe support of a pump truck arm support, which comprises: the main pipe body comprises a sleeve connecting assembly and a sliding pipe, the sleeve connecting assembly is used for connecting an arm support pin shaft of the pump truck arm support, one end of the sliding pipe is arranged in the sleeve connecting assembly and can axially move along the inner peripheral wall of the sleeve connecting assembly, and the other end of the sliding pipe is used for connecting a concrete pipe clamp of the pump truck arm support; the driving mechanism is used for driving the sliding pipe to axially slide along the inner peripheral wall of the sleeve connecting assembly, so that the overall length of the piping tool can be adjusted, the piping tool can be suitable for pump trucks of different vehicle types or concrete pipe support maintenance of different positions of the pump trucks, and the structure is simple and the universality is high.

Description

Piping tool for concrete pipe support of pump truck arm support
Technical Field
The invention relates to the technical field of engineering equipment, in particular to a piping tool for concrete pipe support of a pump truck arm support.
Background
The concrete pump truck boom is a typical multi-freedom plane mechanism. The concrete pipe is used as a carrier for conveying concrete and is supported and fixed on the arm support through the concrete pipe, the concrete pipe of each section of arm and the arm body rotate together in the process of adjusting the posture of the arm support, and the rotation center between the arm body and the arm body is coincided with the rotation center between the concrete pipe and the concrete pipe, so that the stability of the arm support in the folding and unfolding processes is ensured. However, when the pump truck is actually used for a period of time, because of the impact force generated in the concrete conveying process of the pump truck concrete pipe and the relative rotation between the arm supports, the concrete pipe support is deformed or even broken, so that the pump truck cannot be normally constructed, and the operation must be interrupted to maintain the pump truck. The existing maintenance schemes mainly comprise two types, one is that the arm support with broken support is detached and returned to a manufacturer for return maintenance, and the maintenance scheme has high cost and long maintenance time and cannot meet the requirement of a customer for rapid vehicle use; the other is to perform the repositioning welding of the concrete pipe support according to a pipe assembling tool customized by a manufacturer, the maintenance scheme has lower cost and shorter maintenance time, but the customized pipe assembling tool can only meet the maintenance of a specific position of a single joint arm and has poorer universality.
Disclosure of Invention
The invention aims to provide a piping tool for concrete pipe support of a pump truck arm support, which has strong universality and can be suitable for maintenance of concrete pipe support of the pump truck arm support in different positions of different truck types.
In order to achieve the purpose, the invention provides a piping tool for concrete pipe support of a pump truck arm support, which comprises:
the main pipe body comprises a sleeve connecting assembly and a sliding pipe, the sleeve connecting assembly is used for connecting an arm support pin shaft of the pump truck arm support, one end of the sliding pipe is arranged in the sleeve connecting assembly and can axially slide along the inner peripheral wall of the sleeve connecting assembly, and the other end of the sliding pipe is used for connecting a concrete pipe clamp of the pump truck arm support;
and the driving mechanism is used for driving the sliding pipe to axially move and slide along the inner peripheral wall of the sleeve connecting assembly.
In an embodiment of the invention, the main tube body further comprises a mobile disc fixed inside the sliding tube; the driving mechanism comprises a rotary driving motor and a screw rod, the setting direction of the screw rod is parallel to the axial direction of the main pipe body, one end of the screw rod is in driving connection with the rotary driving motor, and the other end of the screw rod is in threaded connection with the movable plate.
In the embodiment of the invention, the driving mechanism comprises a rotary driving motor and a rotary disk, the rotary disk is in driving connection with the rotary driving motor through a connecting rod, the arrangement direction of the connecting rod is parallel to the axial direction of the main pipe body, external threads are arranged on the outer peripheral wall of the rotary disk, and internal threads matched with the external threads are arranged on the inner peripheral wall of the sliding pipe.
In the embodiment of the invention, the driving mechanism comprises a rotary driving motor, a gear and a rack, the rack is arranged on the peripheral wall of the sliding pipe along the axial direction of the sliding pipe, the sleeve connecting assembly comprises a sleeve sleeved on the outer side of the sliding pipe, the rotary driving motor is arranged on the outer side of the sleeve connecting assembly and is in driving connection with the gear, and the sleeve connecting assembly is provided with a through hole for meshing the gear and the rack.
In an embodiment of the invention, the driving mechanism comprises a linear driving motor, the linear driving motor is arranged inside the main pipe body along the axial direction of the main pipe body, one end of the linear driving motor is connected with the sleeve connecting assembly, and the other end of the linear driving motor is connected with the sliding pipe.
In the embodiment of the invention, the outer peripheral wall of the sliding pipe is provided with the guide block, and the inner peripheral wall of the sleeve connecting assembly is provided with the guide groove for the guide block to slide along the axial direction.
In an embodiment of the invention, the sleeve connection assembly further comprises a pressing piece, a pressing groove is formed at a first end of the pressing piece, and a pressing block for pressing the driving mechanism is arranged at the bottom of the pressing groove.
In an embodiment of the invention, the sleeve connecting assembly further comprises a positioning connecting piece, a first end of the positioning connecting piece is connected with the arm support pin shaft, a second end of the positioning connecting piece is connected with a second end of the pressing piece and is provided with a first positioning conical surface, and a second end of the pressing piece is provided with a second positioning conical surface used for being matched with the first positioning conical surface.
In an embodiment of the invention, the pipe fitting further comprises a tensioning mechanism which can move along the sleeve connecting assembly in the axial direction.
In an embodiment of the invention, the tensioning mechanism comprises a tensioning rod component and a locking adjusting component, wherein the locking adjusting component is axially movably arranged on the outer side of the sleeve connecting component, one end of the tensioning rod component is connected with the locking adjusting component, and the other end of the tensioning rod component is connected with the arm support web.
Through above-mentioned technical scheme, through the one end setting with the slip pipe in sleeve coupling assembling to set up drive assembly drive slip pipe and remove along sleeve coupling assembling's internal perisporium, make the whole length of piping frock adjustable, and then make this piping frock can be applicable to the pump truck of different motorcycle types or the concrete pipe support maintenance of the different positions of pump truck, simple structure and commonality are strong.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the interior of a piping tool structure with a rotary driving motor and a screw rod according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the piping tool in the embodiment of the present invention;
FIG. 3 is a schematic view of a support cylinder structure in an embodiment of the invention;
FIG. 4 is a schematic view of a sleeve structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a sliding tube structure in an embodiment of the present invention;
FIG. 6 is an internal schematic view of a drive mechanism with a rotary drive motor and lead screw according to an embodiment of the present invention;
FIG. 7 is a schematic view of a drive mechanism with a rotary drive motor and a lead screw according to an embodiment of the present invention;
FIG. 8 is a schematic view of a drive mechanism with a rotating disk in an embodiment of the present invention;
FIG. 9 is a schematic view of a sliding tube with internal threads in an embodiment of the present invention;
FIG. 10 is a schematic view of the interior of a piping tool structure with a rotating disk according to an embodiment of the present invention;
FIG. 11 is a schematic view of a sliding tube with a rack gear according to an embodiment of the present invention;
FIG. 12 is a schematic view of a sleeve structure with a motor mount according to an embodiment of the present invention;
FIG. 13 is a schematic structural view (partially cut away) of a piping tool with a gear and a rack in an embodiment of the present invention;
FIG. 14 is a schematic view of the overall structure of a piping tool with a gear and a rack according to an embodiment of the present invention;
FIG. 15 is a schematic view of the overall structure of a piping tool with a linear driving motor according to an embodiment of the present invention;
FIG. 16 is a schematic structural view of a tension bar assembly in an embodiment of the present invention;
FIG. 17 is a schematic structural view of a locking adjustment assembly in an embodiment of the present invention;
FIG. 18 is a schematic view of a first perspective of a positioning connection according to an embodiment of the present invention;
FIG. 19 is a schematic diagram illustrating a second perspective view of a positioning connection according to an embodiment of the present invention;
FIG. 20 is a schematic structural view of a hold down member in an embodiment of the present invention;
FIG. 21 is a schematic cross-sectional view of a compression member in an embodiment of the invention;
FIG. 22 is a schematic view of the piping tool of the embodiment of the present invention after installation.
Description of the reference numerals
1. Main pipe body 101 sleeve
102. Sliding tube 103 moving plate
104. Guide block 105 guide groove
106. Mounting groove 107 through hole
2. Drive mechanism 201 rotationally drives a motor
202. Rotating disc of screw rod 203
204. Connecting rod 205 gear
206. Rack 207 linear driving motor
208. Motor mounting base 209 coupler
2010. Bearing 2011 coupling mounting base
2012. First connecting plate 2013 second connecting plate
2014. Mounting block 3 compressing member
301. Second positioning conical surface of pressing block 302
303. Wedge-shaped groove 4 positioning connecting piece
401. First positioning cone 402 first bolt hole
403. Wedge block 5 tensioning mechanism
501. Tension bar assembly 502 locking adjustment assembly
503. Connecting block of adjusting handwheel 504
505. Movable sleeve 506 tensioning rod
507. Angle seat 508 annular groove
6. Connecting flange
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The concrete pump truck boom is a typical multi-freedom plane mechanism. The concrete pipe is used as a carrier for conveying concrete and is supported and fixed on the arm support through the concrete pipe, the concrete pipe of each arm section and the arm body rotate together in the process of adjusting the posture of the arm support, and the rotation center between the arm body and the arm body coincides with the rotation center between the concrete pipe and the concrete pipe, so that the stability of the arm support in the process of folding and unfolding is ensured. However, when the pump truck is actually used for a period of time, the impact force generated in the concrete conveying process of the pump truck concrete pipe and the relative rotation between the arm supports can cause the concrete pipe support to deform and even break, so that the pump truck cannot be normally constructed, and the operation must be interrupted to maintain the pump truck. The existing maintenance schemes mainly comprise two types, one type is that the support broken arm support is disassembled and returned to a manufacturer for returning to the factory for maintenance, and the maintenance scheme has higher cost and longer maintenance time and cannot meet the requirement of a customer on quick vehicle usage; the other side is that the pipe distribution tool customized according to the manufacturer carries out the repositioning welding of the concrete pipe support, the maintenance scheme has lower cost and shorter maintenance time, but the customized pipe distribution tool can only meet the maintenance of a specific position of a single joint arm and has poorer universality.
In order to solve the above technical problems, in this embodiment, a novel pipe distribution tool for concrete pipe support of a pump truck boom is provided, as shown in fig. 1 to 22, the pipe distribution tool includes a main pipe body 1 and a driving mechanism 2, where the main pipe body 1 includes a sleeve connection assembly and a sliding pipe 102, the sleeve connection assembly is used for connecting a boom pin of the pump truck boom, one end of the sliding pipe 102 is disposed in the sleeve connection assembly and can slide along an inner wall of the sleeve connection assembly, the other end of the sliding pipe 102 is used for connecting a concrete pipe clamp of the pump truck boom, that is, a first end of the sleeve connection assembly is fixedly connected with the boom pin of the pump truck boom, a first end of the sliding pipe 102 is clamped in the sleeve connection assembly, and a second end of the sliding pipe 102 is connected with the concrete pipe clamp of the pump truck boom; the sleeve coupling assembly and the sliding tube 102 together form a cavity in which the drive mechanism 2 is disposed and in driving connection with the sliding tube 102 for driving the sliding tube 102 to slide along the inner wall of the sleeve coupling assembly. In this embodiment, before the pump truck boom is maintained, the first end of the sleeve connection assembly and the boom pin of the pump truck boom are fixed together, the first distance between the boom pin and the concrete pipe clamp is obtained, the sliding pipe 102 is driven by the driving assembly to move along the inner peripheral wall of the sleeve connection assembly so as to adjust the second distance between the first end of the sleeve connection assembly and the second end of the sliding pipe 102, the second distance is equal to the first distance, and then the second end of the sliding pipe 102 and the concrete pipe clamp of the pump truck boom are fixed together. Further, in the present embodiment, the inner peripheral wall of the sleeve connection assembly and the outer peripheral wall of the sliding tube 102 are in clearance fit, so as to ensure concentricity between the sleeve connection assembly and the sliding tube 102.
Pump truck or the concrete pipe of the different positions of pump truck of different motorcycle types support, the distance between cantilever crane round pin axle and the concrete pipe clamp is all different, but the piping frock in this embodiment, as shown in fig. 22, one end through with sliding tube 102 sets up in sleeve coupling assembling, and set up drive assembly drive sliding tube 102 and remove along sleeve coupling assembling's internal perisporium, make the whole length of piping frock adjustable, and then make this piping frock can be applicable to the pump truck of different motorcycle types or the concrete pipe of the different positions of pump truck supports the maintenance, simple structure and commonality are strong.
In one embodiment of the invention, as shown in fig. 3-7, the main pipe body 1 further comprises a moving plate 103 fixed inside the sliding pipe 102; the driving mechanism 2 comprises a rotary driving motor 201 and a screw rod 202, the setting direction of the screw rod 202 is parallel to the axial direction of the main pipe body 1, one end of the screw rod 202 is in driving connection with the rotary driving motor 201, and the other end of the screw rod 202 is in threaded connection with the movable plate 103. Specifically, the driving mechanism 2 further comprises a motor mounting seat 208, a shaft coupler 209, a bearing 2010 and a shaft coupler mounting seat 2011, wherein mounting blocks 2014 are arranged on the outer wall of one end of the motor mounting seat 208, the mounting blocks 2014 are uniformly distributed along the circumferential direction of the outer wall of the motor mounting seat 208, the sleeve connecting assembly comprises a sleeve 101 sleeved on the outer side of the sliding tube 102, a mounting groove 106 used for forming mounting matching with the mounting blocks 2014 is arranged on the inner wall of one end of the sleeve 101, which is far away from the sliding tube 102, along the circumferential direction, and the shaft coupler mounting seat 2011 is arranged at the other end of the motor mounting seat 208; cavities are formed inside the coupler mounting seat 2011 and the motor mounting seat 208, the rotary driving motor 201 is arranged in the cavity of the motor mounting seat 208, the coupler 209 is arranged in the cavity of the coupler mounting seat 2011, and the driving end of the rotary driving motor 201 is connected with the first end of the coupler 209; a bearing 2010 mounting seat is formed at the top of the coupling mounting seat 2011, and the bearing 2010 is arranged in the bearing 2010 mounting seat; a first end of the screw rod 202 extends into the cavity of the coupler mounting base 2011 through the inner ring of the bearing 2010 and is connected with a second end of the coupler 209, and the second end of the screw rod 202 is in threaded connection with the movable disc 103. The screw rod 202 is driven by the rotary driving motor 201 to rotate, and the moving disc 103 in threaded connection with the screw rod 202 drives the sliding tube 102 to move along the axial direction of the screw rod 202, so that the sliding tube 102 moves axially along the inner peripheral wall of the sleeve 101, and the length adjustment of the main pipe body 1 is realized.
In another embodiment of the present invention, as shown in fig. 8-10, the driving mechanism 2 comprises a rotary driving motor 201 and a rotary disk 203, the rotary disk 203 is drivingly connected to the rotary driving motor 201 through a connecting rod 204, the connecting rod 204 is disposed in a direction parallel to the axial direction of the main pipe body 1, an external thread is disposed on the outer circumferential wall of the rotary disk 203, and an internal thread matching the external thread is disposed on the inner circumferential wall of the sliding pipe 102. Specifically, in this embodiment, the driving mechanism 2 further includes a motor mounting seat 208, a coupler 209, a bearing 2010, a connecting rod 204, and a connecting rod 204 mounting seat, a mounting block 2014 is disposed on an outer wall of one end of the motor mounting seat 208, the mounting block 2014 is uniformly distributed along a circumferential direction of the outer wall of the motor mounting seat 208, the sleeve connecting assembly includes a sleeve 101 sleeved on an outer side of the sliding tube 102, a mounting groove 106 for forming mounting fit with the mounting block 2014 is circumferentially disposed on an inner wall of one end of the sleeve 101 away from the sliding tube 102, and the connecting rod 204 mounting seat is disposed at the other end of the motor mounting seat 208; cavities are formed in the mounting seats of the connecting rod 204 and the motor mounting seat 208, the rotary driving motor 201 is arranged in the cavity of the motor mounting seat 208, the coupler 209 is arranged in the cavity of the mounting seat of the connecting rod 204, and the driving end of the rotary driving motor 201 is connected with the first end of the coupler 209; a bearing 2010 mounting seat is formed at the top of the connecting rod 204 mounting seat, and the bearing 2010 is arranged in the bearing 2010 mounting seat; the first end of the connecting rod 204 extends through the inner race of the bearing 2010 into the cavity of the mounting seat of the connecting rod 204 and is connected to the second end of the coupling 209, and the rotating disc 203 is arranged at the second end of the connecting rod 204. The connecting rod 204 drives the rotating disc 203 to rotate under the driving of the rotating driving motor 201, and the rotating disc 203 forms a threaded connection with the external thread of the rotating disc 203 and the internal thread on the inner peripheral wall of the sliding tube 102, so that the sliding tube 102 can be driven to axially move along the inner peripheral wall of the sleeve 101 when the rotating disc 203 rotates, and the length adjustment of the main tube body 1 is realized.
In another embodiment of the present invention, as shown in fig. 11 to 14, the driving mechanism 2 includes a rotary driving motor 201, a gear 205, and a rack 206, the rack 206 is disposed on the outer circumferential wall of the sliding tube 102 along the axial direction of the sliding tube 102, the sleeve connection assembly includes a sleeve 101 disposed on the outer side of the sliding tube 102, the rotary driving motor 201 is disposed on the outer side of the sleeve 101 and is in driving connection with the gear 205, and the sleeve 101 is provided with a through hole 107 for the gear 205 and the rack 206 to engage with each other. Specifically, the driving mechanism 2 further includes a rotating motor mounting seat 208 disposed on the sleeve 101, a driving end of the rotating driving motor 201 passes through the rotating motor mounting seat 208 downward and is connected with the gear 205, a through square hole is disposed on a peripheral wall of the sleeve 101, and the gear 205 is engaged with the rack 206 on the sliding tube 102 through the square hole. The gear 205 is driven by the rotary driving motor 201 to rotate, and drives the rack 206 and the sliding tube 102 to axially move along the inner peripheral wall of the sleeve 101, so as to adjust the length of the main pipe 1.
In another embodiment of the present invention, as shown in fig. 15, the driving mechanism 2 includes a linear driving motor 207, the linear driving motor 207 is disposed inside the main pipe body 1 along the axial direction of the main pipe body 1, one end of the linear driving motor 207 is connected to the sleeve connecting assembly, and the other end of the linear driving motor 207 is connected to the sliding pipe 102. Specifically, the driving mechanism 2 further includes a first connecting plate 2012 and a second connecting plate 2013, the sleeve connecting assembly includes a sleeve 101 sleeved outside the sliding tube 102, the first connecting plate 2012 is disposed in the sleeve 101 and connected to a first end of the linear driving motor 207, the second connecting plate 2013 is disposed in the sliding tube 102 and connected to a second end of the linear driving motor 207, that is, the first connecting plate 2012 is clamped at an end of the sleeve 101 away from the sliding tube 102, the second connecting plate 2013 is disposed at an end of the sliding tube 102 away from the sleeve 101, the linear driving motor 207 is disposed along an axial direction of the main tube 1, and two ends of the linear driving motor 207 are respectively connected to the first connecting plate 2012 and the second connecting plate 2013, when the linear driving motor 207 is driven, the first end is stationary, the second end extends and retracts relative to the first end, at this time, the first connecting plate 2012 does not move, the second connecting plate 2013 and the sliding tube 102 axially move along an inner circumferential wall of the sleeve 101 under the driving of the second end of the linear driving motor 207, so as to adjust the length of the main tube 1.
In one embodiment of the present invention, as shown in fig. 3 to 4, the outer circumferential wall of the sliding tube 102 is provided with a guide block 104, and the inner circumferential wall of the sleeve connecting assembly is provided with a guide groove 105 for the guide block 104 to slide in the axial direction. Specifically, the guide groove 105 is provided on the inner peripheral wall of the sleeve 101, and the direction in which the guide groove 105 is provided is parallel to the axial direction of the sleeve 101; the outer peripheral wall of the end of the sliding tube 102 connected to the sleeve 101 is provided with a guide block 104, and the position of the guide block 104 corresponds to the position of the guide groove 105, so that the guide block 104 can slide in the guide groove 105 along the axial direction of the guide groove 105, and is used for preventing the sliding tube 102 from rotating around the axis of the sleeve 101 while moving along the axial direction of the sleeve 101. Further, the length of the guide groove 105 in this embodiment is smaller than the length of the sleeve 101 to prevent the sliding tube 102 from being separated from the sleeve 101 when moving axially along the sleeve 101. In addition, in the present embodiment, the guide groove 105 includes a rectangular guide groove 105, an involute profile guide groove 105, a dovetail-shaped guide groove 105, or a cylindrical guide groove 105, and the guide groove 105 and the guide block 104 may be plural (a plurality of guide grooves 105 and a plurality of guide blocks 104 correspond to each other one by one), and when the guide groove 105 is plural, the plurality of guide grooves 105 may be uniformly or non-uniformly distributed along the circumferential direction of the inner circumferential wall of the sleeve 101.
In one embodiment of the present invention, as shown in fig. 20 to 21, the sleeve coupling assembly further includes a pressing member 3, a first end of the pressing member 3 is formed with a pressing groove, and a pressing piece 301 for pressing the driving mechanism 2 is provided at a bottom of the pressing groove. Specifically, the pressing groove has a cylindrical inner cavity, an internal thread is formed on the peripheral wall of the cylindrical inner cavity, an external thread matched with the internal thread is formed at the first end of the sleeve 101, and if the rotary driving motor 201 is adopted in the driving mechanism 2, when the pressing piece 3 is screwed on the sleeve 101 through threaded connection, the pressing piece 301 protruding out of the bottom surface of the pressing groove continuously presses the rotary driving motor 201 in the motor mounting seat 208 to prevent the unstable operation in the motor mounting seat 208; if the linear driving motor 207 is used in the driving mechanism 2, when the pressing member 3 is screwed to the sleeve 101 through the screw connection, the pressing piece 301 protruding from the bottom surface of the pressing groove continuously presses the first end surface of the first connecting plate 2012, so as to prevent the linear driving motor 207 disposed on the second end surface of the first connecting plate 2012 from being unstable during operation. In addition, in this embodiment, the second end of the pressing member 3 is connected to the arm support pin.
In an embodiment of the present invention, as shown in fig. 18 to 19, the sleeve connecting assembly further includes a positioning connecting member 4, a first end of the positioning connecting member 4 is connected to the arm support pin, a second end of the positioning connecting member 4 is connected to a second end of the pressing member 3 and is formed with a first positioning tapered surface 401, and a second end of the pressing member 3 is formed with a second positioning tapered surface 302 for cooperating with the first positioning tapered surface 401. Specifically, a plurality of first bolt holes 402 used for being connected with a boom pin shaft are arranged on the positioning connecting piece 4, the plurality of first bolt holes 402 are uniformly distributed along the circumferential direction of the positioning connecting piece 4, a second bolt hole is correspondingly arranged on the boom pin shaft, and then bolts are arranged to realize the connection of the positioning connecting piece 4 and the boom pin shaft through the first bolt holes 402 and the second bolt holes in sequence, so that the rotation center of the boom is ensured to be coincident with the center of the concrete pipe clamp. In addition, the size, the number and the distribution position of the bolt holes in the embodiment can be determined according to the size, the number and the distribution position of the second bolt holes, so that the concrete pipe supporting and piping welding in different scenes can be realized by replacing positioning connecting pieces 4 in different models. Further, a second end of the pressing member 3 is formed with a truncated cone, a side surface of the truncated cone is a first positioning conical surface 401, and a second end of the pressing member 3 is formed with a sinking groove having an inclined peripheral wall, which is a second positioning conical surface 302 capable of forming positioning, mounting and matching with the first positioning conical surface 401.
In an embodiment of the present invention, the second end of the positioning connector 4 is further provided with a wedge 403 extending outward along the circumferential direction of the positioning connector 4, the second end of the pressing member 3 is provided with a wedge groove 303 engaged with the wedge 403, and the wedge 403, the wedge groove 303, the first positioning conical surface 401, and the second positioning conical surface 302 are engaged with each other to form a standardized interface, so that the versatility of the piping tool is improved. Further, the wedge-shaped groove 303 has an inclined surface structure, and can provide a pretightening force through the wedge-shaped structure to quickly fix the pipe distribution tool on the arm support pin.
In an embodiment of the present invention, the pipe fitting further includes a connecting flange 6, and the connecting flange 6 is used for connecting the second end of the sliding pipe 102 and the concrete pipe clamp.
In an embodiment of the invention, the pipe fitting further comprises a tensioning mechanism 5 which can move axially along the sleeve connecting assembly, the tensioning mechanism 5 is used for enhancing the connection and fixation between the pipe fitting and the boom web, and specifically, the tensioning mechanism 5 is arranged outside the sleeve 101, namely, the pipe fitting and the boom web are stably locked together by adjusting the specific position of the tensioning mechanism 5 in the sleeve axial direction.
In one embodiment of the present invention, the tensioning mechanism 5 comprises a tensioning rod assembly 501 and a locking adjustment assembly 502, the locking adjustment assembly 502 is axially movably disposed outside the bushing assembly, one end of the tensioning rod assembly 501 is connected with the locking adjustment assembly 502, and the other end of the tensioning rod assembly 501 is connected with the boom web. Specifically, the locking adjusting assembly 502 comprises an adjusting handwheel 503 and a connecting block 504, the adjusting handwheel 503 comprises a hollow cylinder and a handwheel arranged outside the cylinder, an internal thread is arranged on the inner peripheral wall of the cylinder, an external thread matched with the internal thread is arranged outside the sleeve 101, and the change of the locking adjusting assembly 502 on the axial position of the sleeve 101 is realized through the matching of the internal thread and the external thread; the number of the connecting blocks 504 is multiple, the connecting blocks 504 are arranged at one end of the cylinder and are uniformly distributed along the circumferential direction of the cylinder, and in addition, an arc plate is formed on each connecting block 504; the tensioning rod assembly 501 comprises a moving sleeve 505, a tensioning rod 506 and a corner seat 507, the moving sleeve 505 is sleeved outside the sleeve 101, an annular groove 508 for clamping the arc plate is arranged on the outer wall of the moving sleeve 505, and the arc plate and the annular groove 508 are in clearance fit; the number of the tension rods 506 is multiple, and the multiple tension rods 506 are circumferentially and uniformly distributed on the outer side of the moving sleeve 505, wherein one end of each tension rod 506 is rotatably connected with the moving sleeve 505, the other end of each tension rod 506 is rotatably connected with the angle seat 507, the angle seat 507 is used for being fixedly connected with the arm support web, and when the adjusting hand wheel 503 in the locking adjusting assembly 502 rotates along the sleeve 101, the axial position of the tension rod assembly 501 connected with the locking adjusting assembly 502 changes.
In this embodiment, when the piping tool is installed, the positioning connector 4 is firstly screwed on the arm support pin shaft through a bolt, the wedge block 403 on the pressing member 3 is clamped into the wedge groove 303 of the positioning connector 4, the driving assembly is controlled according to a theoretical value (i.e., a first distance) of a distance between the concrete pipe clamp and the arm support pin shaft to automatically adjust the length of the main pipe body 1, after design and installation requirements are met, the corner seat 507 in the locking adjusting assembly 502 is fixed on the arm support web, and finally the adjusting hand wheel 503 is rotated to realize locking of the piping tool, so as to further improve stability of subsequent welding concrete pipe support.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including any suitable combination of specific features, and in order to avoid unnecessary repetition, the invention will not be described in detail in relation to the various possible combinations. Such simple modifications and combinations should also be considered as disclosed in the present invention, and all such modifications and combinations are intended to be included within the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments within the scope of the present invention.

Claims (9)

1. The utility model provides a piping frock for pump truck cantilever crane concrete pipe supports, a serial communication port, the piping frock includes:
the main pipe body (1) comprises a sleeve connecting assembly and a sliding pipe (102), the sleeve connecting assembly is used for connecting an arm support pin shaft of a pump truck arm support, one end of the sliding pipe (102) is arranged in the sleeve connecting assembly and can axially slide along the inner peripheral wall of the sleeve connecting assembly, and the other end of the sliding pipe (102) is used for connecting a concrete pipe clamp of the pump truck arm support; the sleeve connecting assembly further comprises a pressing piece (3), a pressing groove is formed at the first end of the pressing piece (3), and a pressing block (301) used for pressing the driving mechanism (2) is arranged at the bottom of the pressing groove;
the driving mechanism (2) is used for driving the sliding tube (102) to axially slide along the inner peripheral wall of the sleeve connecting assembly.
2. The piping tool for the concrete pipe support of the pump truck arm support according to claim 1, wherein the main pipe body (1) further comprises a moving disc (103) fixed inside the sliding pipe (102); the driving mechanism (2) comprises a rotary driving motor (201) and a screw rod (202), the setting direction of the screw rod (202) is parallel to the axial direction of the main pipe body (1), one end of the screw rod (202) is in driving connection with the rotary driving motor (201), and the other end of the screw rod (202) is in threaded connection with the movable plate (103).
3. The piping tool for the concrete pipe support of the pump truck arm support according to claim 1, wherein the driving mechanism (2) comprises a rotary driving motor (201) and a rotary disc (203), the rotary disc (203) is in driving connection with the rotary driving motor (201) through a connecting rod (204), the setting direction of the connecting rod (204) is parallel to the axial direction of the main pipe body (1), an external thread is arranged on the outer peripheral wall of the rotary disc (203), and an internal thread matched with the external thread is arranged on the inner peripheral wall of the sliding pipe (102).
4. The piping tool for pump truck boom concrete pipe support according to claim 1, wherein the driving mechanism (2) comprises a rotary driving motor (201), a gear (205) and a rack (206), the rack (206) is arranged on the outer peripheral wall of the sliding pipe (102) along the axial direction of the sliding pipe (102), the sleeve connecting assembly comprises a sleeve (101) sleeved on the outer side of the sliding pipe (102), the rotary driving motor (201) is arranged on the outer side of the sleeve (101) and is in driving connection with the gear (205), and a through hole (107) for the gear (205) and the rack (206) to be meshed is formed in the sleeve (101).
5. The piping tool for pump truck boom concrete pipe support according to claim 1, wherein the driving mechanism (2) comprises a linear driving motor (207), the linear driving motor (207) is arranged inside the main pipe body (1) along the axial direction of the main pipe body (1), one end of the linear driving motor (207) is connected with the sleeve connection assembly, and the other end of the linear driving motor (207) is connected with the sliding pipe (102).
6. The piping tool for the concrete pipe support of the pump truck arm support according to any one of claims 1 to 5, wherein a guide block (104) is arranged on the outer peripheral wall of the sliding pipe (102), and a guide groove (105) for the guide block (104) to slide along the axial direction is arranged on the inner peripheral wall of the sleeve connecting assembly.
7. The pipe distribution tool for the concrete pipe support of the arm support of the pump truck as claimed in claim 6, wherein the sleeve connection assembly further comprises a positioning connection piece (4), a first end of the positioning connection piece (4) is connected with the arm support pin shaft, a second end of the positioning connection piece (4) is connected with a second end of the pressing piece (3) and is provided with a first positioning conical surface (401), and a second end of the pressing piece (3) is provided with a second positioning conical surface (302) used for being matched with the first positioning conical surface (401).
8. The piping installation for pump truck boom concrete pipe support according to claim 6, characterized in that said piping installation further comprises a tensioning mechanism (5) axially movable along said sleeve connection assembly.
9. The pipe distribution tool for the concrete pipe support of the pump truck arm support according to claim 8, wherein the tensioning mechanism (5) comprises a tensioning rod assembly (501) and a locking adjusting assembly (502), the locking adjusting assembly (502) is axially movably arranged on the outer side of the sleeve connecting assembly, one end of the tensioning rod assembly (501) is connected with the locking adjusting assembly (502), and the other end of the tensioning rod assembly (501) is connected with an arm support web.
CN202111030591.3A 2021-09-03 2021-09-03 Piping tool for concrete pipe support of pump truck arm support Active CN113941791B (en)

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CN202111030591.3A CN113941791B (en) 2021-09-03 2021-09-03 Piping tool for concrete pipe support of pump truck arm support

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Application Number Priority Date Filing Date Title
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013101128U1 (en) * 2012-10-25 2014-01-30 Lothar Schütz Height adjustable pipe connection
CN203797151U (en) * 2014-04-29 2014-08-27 中联重科股份有限公司 Concrete pipe component and dual-purpose tower-type distributing machine
CN211549877U (en) * 2019-10-29 2020-09-22 上汽通用汽车有限公司 Telescopic fuel pipe, telescopic fuel pipe assembly and vehicle
CN212564437U (en) * 2020-07-04 2021-02-19 耐森阀业有限公司 Novel high-performance five-eccentric butterfly valve
CN112413256A (en) * 2020-12-01 2021-02-26 夏道东 Multipurpose electric posture adjustment gas collecting hood
CN213598797U (en) * 2020-07-30 2021-07-02 彭松 All-round angle regulation's water conservancy is spouted and is irrigated equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013101128U1 (en) * 2012-10-25 2014-01-30 Lothar Schütz Height adjustable pipe connection
CN203797151U (en) * 2014-04-29 2014-08-27 中联重科股份有限公司 Concrete pipe component and dual-purpose tower-type distributing machine
CN211549877U (en) * 2019-10-29 2020-09-22 上汽通用汽车有限公司 Telescopic fuel pipe, telescopic fuel pipe assembly and vehicle
CN212564437U (en) * 2020-07-04 2021-02-19 耐森阀业有限公司 Novel high-performance five-eccentric butterfly valve
CN213598797U (en) * 2020-07-30 2021-07-02 彭松 All-round angle regulation's water conservancy is spouted and is irrigated equipment
CN112413256A (en) * 2020-12-01 2021-02-26 夏道东 Multipurpose electric posture adjustment gas collecting hood

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Application publication date: 20220118

Assignee: Zoomlion Concrete Pumping Machinery Branch

Assignor: ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY Co.,Ltd.

Contract record no.: X2023980042686

Denomination of invention: Piping fixture for concrete pipe support of pump truck arm frame

Granted publication date: 20221115

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Record date: 20231010

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