CN105257001A - Pump pipe fixing system of concrete pumping equipment - Google Patents
Pump pipe fixing system of concrete pumping equipment Download PDFInfo
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- CN105257001A CN105257001A CN201510784268.3A CN201510784268A CN105257001A CN 105257001 A CN105257001 A CN 105257001A CN 201510784268 A CN201510784268 A CN 201510784268A CN 105257001 A CN105257001 A CN 105257001A
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- pump line
- connector
- bracing frame
- axis
- slotted hole
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Abstract
The invention provides a pump pipe fixing system of concrete pumping equipment. The pump pipe fixing system of the concrete pumping equipment comprises a second pump pipe supporting frame, a first pump pipe supporting frame and a third pump pipe supporting frame, wherein the second pump pipe supporting frame is used for connecting an inclined pump pipe or a bent pump pipe with a pump pipe fixing position, the first pump pipe supporting frame is used for connecting the bent pump pipe with a pump pipe fixing position and is different from the second pump pipe supporting frame in structure, and the third pump pipe supporting frame is used for connecting a vertical pump pipe or a horizontal pump pipe with the pump pipe fixing position. Each pump pipe supporting frame comprises a first connecting piece, a third connecting piece and a second connecting piece, wherein the first connecting piece is used for connecting pump pipes, the third connecting piece is used for connecting pump pipe fixing positions, and the second connecting piece is used for connecting the first connecting piece with the third connecting piece. The first pump pipe supporting frame, the second pump pipe supporting frame and the third pump pipe supporting frame can be adjusted in at least two of the X-axis direction, the Y-axis direction and the Z-axis direction. According to the pump pipe fixing system of the concrete pumping equipment, adjustment and positioning are easy, the stability is high, the damping effect is good, and disassembly and maintenance are convenient.
Description
Technical field
The present invention relates to engineering machinery field, be specifically related to a kind of pump line fixed system of concrete pumping equipment.
Background technology
In recent years, along with China's rapid development of economy, the construction of infrastructure is accelerated further, and construction machinery industry is fast development also, especially the proposition of " made in China 2025 ", and the engineering goods of high ferro and railway construction are just taking big strides to go abroad.Wherein concrete pumping equipment such as concrete pump, pump truck, Vehicle loaded pump, concrete spraying vehicle etc. have been widely used in the construction of infrastructure, and have played irreplaceable effect, further reduce the workload of people, substantially increase operating efficiency.
Concrete pumping equipment mainly comprises bearing part, pumping part and other funtion parts.Bearing part generally adopts automobile chassis, wheel undercarriage, crawler body; Pumping part mainly comprises pumping mechanism and pump line; Other funtion parts are not identical according to the equipment of different purposes yet, such as pump truck mainly foldable arm rack, concrete spraying vehicle mainly manipulator.Regardless of which kind of pumping equipment, all relate to the fixation problem of pump line.At present, three problems are mainly contained:
One, in the process of pumping of concrete, the impulse oscillation of pumping mechanism and the impact of concrete to pump line are inevitable, so the fixing of pump line should ensure that the stability of fixing considers damping effect again.
Two, due to concrete mix unstability and other people be factor, pump tubing length is blocked by concrete often has generation.
Three, in addition, because the wearing and tearing of concrete to pump line cause the application life of pump line limited.
Latter two situation all needs dismounting pump line to safeguard pumping equipment.So pump line needs to be easy to dismounting, be easy to adjustment, maintain easily.And the fastening devices of most existing pumping equipment pump line all adopts scene to join weldering pump line bracing frame.
The drawback that weldering pump line bracing frame is joined at scene mainly contains the following aspects: 1, join welding position and put uncertain, assembly precision is low; 2, Support Position is not easy to join weldering; 3, join postwelding and can not adjust position; 4, weldering reliable welding quality is joined not high enough.
In sum, design a kind of pump line fixed system of concrete pumping equipment, with the stability ensureing to fix, damping effect and easy disassembly for needing the problem of solution badly in this area.
Through retrieval, the patent No. is 201320375153.5, and what name was called " fastening devices in concrete delivery pump pipe road " patent discloses, and " fastening devices in concrete delivery pump pipe road, is characterized in that: comprise pipe collar and bearing; Described pipe collar comprises semicircular upper hoop and semicircular lower hoop, and described upper hoop and lower hoop are connected with bolt and are combined into circular pipe collar; Described bearing comprises column and base; Described base is the flat board of rectangle, the lower end of described column is connected with dull and stereotyped intermediate vertical, the upper end of column is connected with lower hoop " scheme; but it does not study the position after to pump line assembling and the structure that regulates of angular deviation, therefore this area still needs a kind of pump line fastening devices of solving the problems of the technologies described above or system.
Summary of the invention
For overcoming the deficiency of pump line fixed system in prior art, the invention provides a kind of easy adjustment location, stability is strong, damping effect is good and the pump line fixed system of the concrete pumping equipment that easy disassembly is safeguarded.
The pump line fixed system of described concrete pumping equipment comprises the second pump line bracing frame for connecting oblique pump line or curved pump line and pump line bearing, for connecting bending pump line from pump line bearing and the structure first pump line bracing frame different with the second pump line bracing frame, and for the 3rd pump line bracing frame of vertical connecting pump line or horizontal pump line and pump line bearing; Described pump line bearing is pumping mechanism, movable arm frame or equipment chassis;
Described pump line bracing frame includes the first connector for connecting pump line, for connecting the 3rd connector of described pump line bearing, and for connecting the second connector of the first connector and the 3rd connector; Described first pump line bracing frame, the second pump line bracing frame and the 3rd pump line bracing frame are the pump line bracing frame that in X axis, Y-axis and Z-axis direction, at least both direction is adjustable, wherein X axis is the direction of motion of concrete pumping equipment, Y-axis is direction vertical with X axis on horizontal plane, and Z-axis direction is vertical direction;
Second pump line bracing frame also comprises the bearing pin for connecting its first connector and the second connector, and its first connector can rotate freely around bearing pin its second connector relative; The length direction of the slotted hole on the first connector of the second pump line bracing frame is positioned at Y-axis, its the 3rd connector is arranged the slotted hole that circular hole or length direction are positioned at X axis, in the pump line bearing be connected with its 3rd connector, relative set length direction is positioned at slotted hole or the circular hole of X axis;
Described first pump line bracing frame, the second pump line bracing frame and the 3rd pump line bracing frame are the adjustable pump line bracing frame of the position after described pump line is assembled and angular error elimination.
According to a preferred embodiment of the present invention, described first pump line bracing frame and pump line bearing comprise length direction at the slotted hole of Y-axis and the length direction slotted hole in Z-axis direction; The length direction of the slotted hole on the first connector of the first pump line bracing frame is positioned at Y-axis or Z-axis direction, and the length direction of the slotted hole on its 3rd connector corresponding or the slotted hole in pump line bearing is positioned at Z-axis direction or Y-axis.
According to a preferred embodiment of the present invention, the second connector of described 3rd pump line bracing frame comprises guide pillars and bushes; Described 3rd pump line bracing frame comprises length direction at the slotted hole of Y-axis and the length direction slotted hole in Z-axis direction; The length direction of the slotted hole on the first connector of described 3rd pump line bracing frame or the 3rd connector is positioned at Y-axis, and the length direction of the slotted hole on the guide pin bushing of its second connector is positioned at X axis.
According to a preferred embodiment of the present invention, the non-adjustable pump line bracing frame that the fixed point that described pump line fixed system is also included in pump line angle and invariant position is arranged.
According to a preferred embodiment of the present invention, described non-adjustable pump line bracing frame comprises for connecting horizontal pump line and the 4th pump line bracing frame of equipment chassis and the 5th pump line bracing frame for being connected straight pump line and movable arm frame.
According to a preferred embodiment of the present invention, 4th pump line bracing frame comprises the first connector, U-bolt coefficient with it, nut and cushion pad, second connector and the 3rd connector, first connector of described 4th pump line bracing frame, the second connector, the 3rd connector and described equipment chassis are fixedly connected sequentially, and the second connector of described 4th pump line bracing frame is square tube.
According to a preferred embodiment of the present invention, 5th pump line bracing frame comprises the first connector, U-bolt coefficient with it, nut and cushion pad, second connector and the 3rd connector, first connector of described 5th pump line bracing frame, the second connector, the 3rd connector and described movable arm frame are fixedly connected sequentially, the bending plate of the second connector of described 5th pump line bracing frame to be cross section be flute profile.
According to a preferred embodiment of the present invention, described first connector and the 3rd connector are plate.
According to a preferred embodiment of the present invention, described pump line bracing frame all also comprises and the coefficient U-bolt of its first connector, nut and cushion pad; And described cushion pad is rubber pad.
According to a preferred embodiment of the present invention, described guide pin bushing is hollow rod shape non-cylindrical housing, and described guide pillar is the non-cylindrical rod member coordinated with described guide pin bushing.
Technical scheme provided by the invention has following beneficial effect;
1, native system adopts U-bolt and nut screw connection to fix pump line, U-bolt, described first connector, described second connector are connected successively with described 3rd connector, four cooperatively interact makes pump line can adjust location at the offset deviation of different directions, and the stability of pump line fixed system is strengthened greatly than traditional bracing or strutting arrangement.
2, adopt described cushion pad buffering from the vibrations of described chassis or pumping mechanism etc., because pump line is fixed well under the support of fixed system, make cushion pad can play cushioning effect well what be fixed well.
3, described pump line fixed system adopts U-bolt to be connected described first connector with nut, and adopt screw bolt and nut to connect described 3rd connector and chassis, movable arm frame or pumping mechanism, easy disassembly is safeguarded.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing described below is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of pump line fixed system;
Fig. 2 is the front view of the first pump line bracing frame;
Fig. 3 is the left view of the first pump line bracing frame;
Fig. 4 is the top view of the first pump line bracing frame;
Fig. 5 is the front view of the second pump line bracing frame;
Fig. 6 is the left view of the second pump line bracing frame;
Fig. 7 is the front view of the 3rd pump line bracing frame;
Fig. 8 is the I-I sectional view of the 3rd pump line bracing frame in Fig. 7;
Fig. 9 is the front view of the 4th pump line bracing frame;
Figure 10 is the front view of the 5th pump line bracing frame;
In figure: 1, first pump line bracing frame, 2, second pump line bracing frame, 3, pumping mechanism, 31, on pumping mechanism, length direction is positioned at the slotted hole of X axis, 4, 4th pump line bracing frame, 5, equipment chassis, 6, pump line, 61, curved pump line, 62, oblique pump line, 63, vertical pump line, 64, horizontal pump line, 65, straight pump line, 7, 3rd pump line bracing frame, 711, guide pillar, 731, guide pin bushing, 8, 5th pump line bracing frame, 81, bending plate, 9, movable arm frame, A, first connector, B, second connector, C, 3rd connector, a, nut, b, cushion pad, c, U-bolt, 11, slotted hole on first connector A of the first pump line bracing frame, 12, slotted hole on 3rd connector C of the first pump line bracing frame, 231, slotted hole on first connector A of the second pump line bracing frame.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present invention, carry out clear, complete description to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.
Refer to Fig. 1 ~ Fig. 8, the pump line fixed system of described concrete pumping equipment comprises the second pump line bracing frame 2 for connecting oblique pump line 62 or curved pump line 61 and pump line bearing, for connecting bending pump line 61 from pump line bearing and the structure first pump line bracing frame 1 different with the second pump line bracing frame 2, and for vertical connecting pump line 63 or horizontal pump line 64 the 3rd pump line bracing frame 7 with pump line bearing; Described pump line bearing is pumping mechanism 3, movable arm frame 9 or equipment chassis 5;
Described pump line bracing frame includes the first connector A for connecting pump line, for connecting the 3rd connector C of described pump line bearing, and for connecting the second connector B of the first connector A and the 3rd connector C;
Described first pump line bracing frame 1, second pump line bracing frame 2 and the 3rd pump line bracing frame 7 are the pump line bracing frame that in X axis, Y-axis and Z-axis direction, at least both direction is adjustable, wherein X axis is the direction of motion of concrete pumping equipment, Y-axis is direction vertical with X axis on horizontal plane, and Z-axis direction is vertical direction;
Second pump line bracing frame 2 also comprises the bearing pin for connecting its first connector A and the second connector B, and its first connector A can rotate freely around relative its second connector B of bearing pin; The length direction of the slotted hole 231 on the first connector A of the second pump line bracing frame 2 is positioned at Y-axis, its the 3rd connector C is arranged the slotted hole that circular hole or length direction are positioned at X axis, in the pump line bearing be connected with its 3rd connector C, relative set length direction is positioned at slotted hole 31 or the circular hole of X axis;
Described first pump line bracing frame 1, second pump line bracing frame 2 and the 3rd pump line bracing frame 7 are the adjustable pump line bracing frame of the position after described pump line is assembled and angular error elimination.
The regulative mode of each bracing frame is as follows:
During assembling, first described pump line 6 is fixed in described equipment chassis 5, pumping mechanism 3 or movable arm frame 9, if there is deviation the position of pump line 6, then regulate the position of described U-bolt c and the first connector A, and regulate the position of described 3rd connector C and equipment chassis 5, pumping mechanism 3 or movable arm frame 9 to come the position of applicable pump line, tighten the screw bolt and nut that described nut a and the 3rd connector C connects, corresponding pump line is fixed, can guarantee that pump line position is accurate.
Preferably, described first pump line bracing frame 1 and pump line bearing comprise length direction at the slotted hole of Y-axis and the length direction slotted hole in Z-axis direction; The length direction of the slotted hole 11 on the first connector A of the first pump line bracing frame 1 is positioned at Y-axis or Z-axis direction, the length direction of the slotted hole 12 on its 3rd connector C corresponding or the slotted hole in pump line bearing is positioned at Z-axis direction or Y-axis, to make adjustment convenient, install more flexible.
Preferably, the second connector B of described 3rd pump line bracing frame 7 comprises guide pillar 711 and guide pin bushing 731; Described 3rd pump line bracing frame 7 comprises length direction at the slotted hole of Y-axis and the length direction slotted hole at X axis; The length direction of the slotted hole on the first connector A of described 3rd pump line bracing frame 7 or the 3rd connector C is positioned at Y-axis, and the length direction of the slotted hole on the guide pin bushing 731 of its second connector B is positioned at X axis.If assembling pump line 6 produces position deviation, then regulate the stroke of described guide pin bushing 731 and the installation site of described 3rd connector C in described movable arm frame 9 to adapt to the position of pump line, to tight a bolt and that namely nut completes pump line is fixing.
Preferably, the non-adjustable pump line bracing frame that the fixed point that described pump line fixed system is also included in pump line angle and invariant position is arranged, non-adjustable bracing frame and adjustable supporter mating reaction, make pump line stability, damping effect good.
Please continue to refer to Fig. 1, Fig. 9 and Figure 10, preferably, described non-adjustable pump line bracing frame comprises for connecting horizontal pump line 64 and the 4th pump line bracing frame 4 of equipment chassis 5 and the 5th pump line bracing frame 8 for being connected straight pump line 65 and movable arm frame 9, because described horizontal pump line 64 and described straight pump line 65 not easily produce rigging error, therefore described cushion pad b is set.
Preferably, 4th pump line bracing frame 4 comprises the first connector A, U-bolt c coefficient with it, nut a and cushion pad b, second connector B and the 3rd connector C, first connector A, the second connector B of described 4th pump line bracing frame 4, the 3rd connector C and described equipment chassis 5 are fixedly connected sequentially, and the second connector B of described 4th pump line bracing frame 4 is square tube.
Preferably, 5th pump line bracing frame 8 comprises the first connector A, U-bolt c coefficient with it, nut a and cushion pad b, second connector B and the 3rd connector C, first connector A, the second connector B of described 5th pump line bracing frame 8, the 3rd connector C and described movable arm frame 9 are fixedly connected sequentially, the bending plate 81 of the second connector B of described 5th pump line bracing frame 8 to be cross section be flute profile.
Preferably, described first connector A and the 3rd connector C is plate, escapable cost, weight reduction, convenient for assembly.
Preferably, described pump line bracing frame all also comprises and the coefficient U-bolt c of its first connector A, nut a and cushion pad b; And described cushion pad b is rubber pad, escapable cost while meeting performance requirement.
Preferably, described guide pin bushing 731 is hollow rod shape non-cylindrical housing, and described guide pillar 711 is the non-cylindrical rod member coordinated with described guide pin bushing 731, makes described guide pin bushing 731 and the unlikely rotation of guide pillar 711, during guiding more steadily accurately.
The foregoing is only embodiments of the invention; not thereby scope of patent protection of the present invention is limited; every utilize manual of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; directly or indirectly be used in the technical field that other is relevant, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. the pump line fixed system of a concrete pumping equipment, it is characterized in that, comprise the second pump line bracing frame (2) for connecting oblique pump line (62) or curved pump line (61) and pump line bearing, for connecting bending pump line (61) from pump line bearing and the structure first pump line bracing frame (1) different with the second pump line bracing frame (2), and for vertical connecting pump line (63) or horizontal pump line (64) the 3rd pump line bracing frame (7) with pump line bearing; Described pump line bearing is pumping mechanism (3), movable arm frame (9) or equipment chassis (5);
Described pump line bracing frame includes the first connector (A) for connecting pump line, for connecting the 3rd connector (C) of described pump line bearing, and for connecting second connector (B) of the first connector (A) and the 3rd connector (C); Described first pump line bracing frame (1), the second pump line bracing frame (2) and the 3rd pump line bracing frame (7) are the pump line bracing frame that in X axis, Y-axis and Z-axis direction, at least both direction is adjustable, wherein X axis is the direction of motion of concrete pumping equipment, Y-axis is direction vertical with X axis on horizontal plane, and Z-axis direction is vertical direction;
Second pump line bracing frame (2) also comprises the bearing pin for connecting its first connector (A) and the second connector (B), and its first connector (A) can rotate freely around bearing pin its second connector (B) relative; The length direction of the slotted hole (231) on first connector (A) of the second pump line bracing frame (2) is positioned at Y-axis, its the 3rd connector (C) is arranged the slotted hole that circular hole or length direction are positioned at X axis, in the pump line bearing be connected with its 3rd connector (C), relative set length direction is positioned at slotted hole (31) or the circular hole of X axis;
Described first pump line bracing frame (1), the second pump line bracing frame (2) and the 3rd pump line bracing frame (7) are the adjustable pump line bracing frame of the position after described pump line is assembled and angular error elimination.
2. pump line fixed system according to claim 1, is characterized in that, described first pump line bracing frame (1) and pump line bearing comprises length direction at the slotted hole of Y-axis and the length direction slotted hole in Z-axis direction; The length direction of the slotted hole (11) on first connector (A) of the first pump line bracing frame (1) is positioned at Y-axis or Z-axis direction, and the length direction of the slotted hole (12) on its 3rd connector (C) corresponding or the slotted hole in pump line bearing is positioned at Z-axis direction or Y-axis.
3. pump line fixed system according to claim 1, is characterized in that, second connector (B) of described 3rd pump line bracing frame (7) comprises guide pillar (711) and guide pin bushing (731); Described 3rd pump line bracing frame (7) comprises length direction at the slotted hole of Y-axis and the length direction slotted hole at X axis; The length direction of the slotted hole on first connector (A) of described 3rd pump line bracing frame (7) or the 3rd connector (C) is positioned at Y-axis, and the length direction of the slotted hole on the guide pin bushing (731) of its second connector (B) is positioned at X axis.
4. according to the pump line fixed system in claims 1 to 3 described in any one, it is characterized in that, the non-adjustable pump line bracing frame that the fixed point that described pump line fixed system is also included in pump line angle and invariant position is arranged.
5. pump line fixed system according to claim 4, it is characterized in that, described non-adjustable pump line bracing frame comprises for connecting horizontal pump line (64) and the 4th pump line bracing frame (4) of equipment chassis (5) and the 5th pump line bracing frame (8) for being connected straight pump line (65) and movable arm frame (9).
6. pump line fixed system according to claim 5, it is characterized in that, 4th pump line bracing frame (4) comprises the first connector (A), U-bolt (c) coefficient with it, nut (a) and cushion pad (b), second connector (B) and the 3rd connector (C), first connector (A) of described 4th pump line bracing frame (4), second connector (B), 3rd connector (C) and described equipment chassis (5) are fixedly connected sequentially, second connector (B) of described 4th pump line bracing frame (4) is square tube.
7. pump line fixed system according to claim 5, it is characterized in that, 5th pump line bracing frame (8) comprises the first connector (A), U-bolt (c) coefficient with it, nut (a) and cushion pad (b), second connector (B) and the 3rd connector (C), first connector (A) of described 5th pump line bracing frame (8), second connector (B), 3rd connector (C) and described movable arm frame (9) are fixedly connected sequentially, second connector (B) of described 5th pump line bracing frame (8) for cross section be the bending plate (81) of flute profile.
8. according to the pump line fixed system in claims 1 to 3 described in any one, it is characterized in that, described first connector (A) and the 3rd connector (C) are plate.
9. according to the pump line fixed system in claims 1 to 3 described in any one, it is characterized in that, described pump line bracing frame all also comprises and its first connector (A) coefficient U-bolt (c), nut (a) and cushion pad (b); And described cushion pad (b) is rubber pad.
10. pump line fixed system according to claim 3, is characterized in that, described guide pin bushing (731) for hollow rod shape non-cylindrical housing, described guide pillar (711) be the non-cylindrical rod member coordinated with described guide pin bushing (731).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510784268.3A CN105257001B (en) | 2015-11-16 | 2015-11-16 | Pump pipe fixing system of concrete pumping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510784268.3A CN105257001B (en) | 2015-11-16 | 2015-11-16 | Pump pipe fixing system of concrete pumping equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN105257001A true CN105257001A (en) | 2016-01-20 |
| CN105257001B CN105257001B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510784268.3A Active CN105257001B (en) | 2015-11-16 | 2015-11-16 | Pump pipe fixing system of concrete pumping equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN105257001B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109129266A (en) * | 2018-09-20 | 2019-01-04 | 武汉船用机械有限责任公司 | A kind of hinged oil cylinder positioning support tooling and positioning support method |
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| CN202812475U (en) * | 2012-07-31 | 2013-03-20 | 中天建设集团有限公司天津分公司 | Support of concrete pump tube |
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| CN204153318U (en) * | 2014-05-29 | 2015-02-11 | 北京韩建集团有限公司 | A kind of pump concrete pipe fixing device |
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| JP5875055B2 (en) * | 2013-12-24 | 2016-03-02 | 株式会社コーセイ | Tube mounting saddle |
| CN205153552U (en) * | 2015-11-16 | 2016-04-13 | 湖南五新隧道智能装备股份有限公司 | Pump line fixing system of concrete pumping equipment |
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- 2015-11-16 CN CN201510784268.3A patent/CN105257001B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000352195A (en) * | 1999-06-10 | 2000-12-19 | Koichi Maruyama | Liquid mortar vertical and horizontal injector |
| CN202090613U (en) * | 2011-05-23 | 2011-12-28 | 徐工集团工程机械股份有限公司建设机械分公司 | Elastic connecting device for central pump system and concrete pump car |
| CN202812475U (en) * | 2012-07-31 | 2013-03-20 | 中天建设集团有限公司天津分公司 | Support of concrete pump tube |
| CN203517007U (en) * | 2013-10-24 | 2014-04-02 | 中联重科股份有限公司 | Conveying pipe support and concrete pump truck |
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| CN204153318U (en) * | 2014-05-29 | 2015-02-11 | 北京韩建集团有限公司 | A kind of pump concrete pipe fixing device |
| CN204717144U (en) * | 2015-06-27 | 2015-10-21 | 中交第一公路工程局有限公司 | A kind of concrete pump pipe setting tool cribbing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109129266A (en) * | 2018-09-20 | 2019-01-04 | 武汉船用机械有限责任公司 | A kind of hinged oil cylinder positioning support tooling and positioning support method |
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| Publication number | Publication date |
|---|---|
| CN105257001B (en) | 2017-05-10 |
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