Concrete spreader with adjustable length

Abstract

The utility model discloses a length-adjustable concrete spreader, which relates to the technical field of concrete spreader, and comprises a support mechanism, a conveying pipeline, a cross arm and an adjusting mechanism, the adjusting mechanism comprises a connecting pipe, an adjusting assembly and a telescopic assembly, connecting flanges are arranged at the two ends of the connecting pipe, the adjusting assembly is arranged at one end of the connecting pipe and comprises an adjusting pipe and an adjusting bolt, the adjusting pipe is inserted into one end of the connecting pipe, an adjusting flange is arranged at one end of the adjusting pipe, and the adjusting bolt is inserted into the adjusting flange and the connecting flange. The telescopic assembly comprises a telescopic pneumatic rod and a moving pipe; the telescopic pneumatic rod is arranged on the side face of the connecting pipe, the movable pipe is inserted into the adjusting pipe, a movable flange is arranged at one end of the movable pipe, and the pneumatic driving end of the telescopic rod is fixedly connected with the movable flange. The length of the conveying pipeline is adjusted by designing an adjusting structure, the construction range is expanded, the installation fault tolerance is improved, and incomplete pouring caused by too large installation deviation is avoided.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of concrete distributing machines, in particular to a length-adjustable concrete distributing machine. BACKGROUND

[0002] The concrete distributing machine is an indispensable equipment in modern building construction and is mainly used for efficiently and uniformly conveying concrete materials to a designated position, and the efficient and accurate operation capacity of the concrete distributing machine greatly improves construction efficiency and concrete quality; the concrete distributing machine is widely applied to multiple fields such as house building, bridge construction and high-speed railway construction, and with the continuous progress of technology, the application of the concrete distributing machine will be more extensive, and the transformation and upgrading and high-quality development of the building industry will be promoted.

[0003] In the prior art, the concrete distributing machine is fixed at a reserved position through a distributing machine base support, concrete is transported through a pump, and the reinforcing steel bars in the circumferential range of the concrete distributing machine are poured by rotating the distributing machine cross arm.

[0004] The concrete distributing machine is fixedly arranged, the pouring range is limited by the length of the pouring pipeline, and deviation often occurs at the reserved position or during installation, so that some areas cannot be poured, and the construction efficiency and quality are reduced. CONTENT OF THE INVENTION

[0005] The application aims to provide a length-adjustable concrete distributing machine to solve the problems that the pouring range of the concrete distributing machine is limited by the length of the pouring pipeline, some areas cannot be poured, and the construction efficiency and quality are reduced.

[0006] The application provides a length-adjustable concrete distributing machine, which adopts the following technical scheme:

[0007] The length-adjustable concrete distributing machine comprises a supporting mechanism, a conveying pipeline, a cross arm and an adjusting mechanism; the adjusting mechanism comprises a connecting pipe, an adjusting assembly and an extension assembly; the connecting pipe is provided with connecting flanges at both ends; the adjusting assembly comprises an adjusting pipe and an adjusting bolt; the adjusting pipe is inserted into one end of the connecting pipe; the adjusting pipe is provided with an adjusting flange at one end; the adjusting bolt is inserted into the adjusting flange and the connecting flange; the extension assembly comprises an extension pneumatic rod and a moving pipe; the extension pneumatic rod is arranged on the side surface of the connecting pipe; the moving pipe is inserted into the adjusting pipe; the moving pipe is provided with a moving flange at one end; and the driving end of the extension pneumatic rod is fixedly connected with the moving flange.

[0008] By adopting the technical scheme, the length of the conveying pipeline is adjusted by the adjusting structure, the construction range is expanded, and the installation fault tolerance is increased, the length of the adjusting pipe is controlled by the adjusting bolt to supplement and finely adjust the conveying pipeline, the length of the moving pipe is adjusted by the telescopic assembly through the telescopic pneumatic rod, and the total length of the conveying pipeline is supplemented and greatly adjusted.

[0009] Optionally, the supporting mechanism comprises a supporting column and a supporting assembly, the supporting column is a hollow structure, and the supporting assembly is arranged on the outer wall of the supporting column.

[0010] By adopting the technical scheme, the supporting mechanism supports the whole device, the horizontal arm can move away from the ground, and the ground can be conveniently poured; and the conveying pipeline is placed on the supporting column.

[0011] Optionally, the supporting assembly comprises a supporting frame, a telescopic leg and a fixing foot, the supporting frame is circumferentially arranged on the outer wall of the supporting column, the telescopic leg is inserted into the supporting frame, the fixing foot is arranged at one end of the telescopic leg, and a plurality of fixing bolts are arranged on the supporting frame.

[0012] By adopting the technical scheme, the supporting assembly is arranged on the device to stabilize the device, provide movable supporting force for the horizontal arm, adjust the occupied area of the supporting assembly, and adjust the stability of the supporting assembly, so that the stability of the device is improved when the adjusting structure is lengthened.

[0013] Optionally, the top surface of the supporting column is provided with a bearing seat, and the horizontal arm is arranged on the bearing seat.

[0014] By adopting the technical scheme, the horizontal arm has rotating ability through the bearing seat, the pouring range is expanded, and the device can pour in the circumferential range of the horizontal arm.

[0015] Optionally, a counterweight plate is arranged at one end of the horizontal arm, a supporting plate is arranged at the other end of the horizontal arm, an arc-shaped slot is formed in the supporting plate, and the conveying pipeline is clamped in the arc-shaped slot.

[0016] By adopting the technical scheme, the counterweight plate keeps the horizontal arm balanced, ensures stable operation of the horizontal arm during work, and the supporting plate supports the conveying pipeline, so that the conveying pipeline is prevented from being damaged due to excessive stress.

[0017] Optionally, the conveying pipeline is arranged in the supporting column, and the conveying pipeline comprises an output pipe, an elbow pipe, a return pipe and a rubber pipe, one end of the adjusting mechanism is connected with the flange of the output pipe, the other end of the adjusting mechanism is connected with the flange of the elbow pipe, and the elbow pipe, the return pipe and the rubber pipe are connected in sequence.

[0018] By adopting the technical scheme, the concrete is transported and poured by the conveying pipeline, and the stability of the connection is ensured and the disassembly and maintenance are facilitated by the flange connection.

[0019] Optionally, the elbow pipe and the return pipe are connected by a rotary connecting piece

[0020] By adopting the technical scheme, the return pipe can rotate around the center of the elbow pipe, the pouring range is changed, the pouring range is expanded, the pouring range in the circumferential range is facilitated to be covered and poured, the pouring dead angle is reduced, and the pouring quality is improved.

[0021] Optionally, the cross arm is provided with a stabilizing mechanism, the stabilizing mechanism includes a stay cable and a stabilizing column, the stabilizing column is arranged in the cross arm and connected to the inner walls on both sides of the cross arm, and the stay cable is arranged to form a triangular stabilizing structure.

[0022] By adopting the technical scheme, the cross arm is stabilized by the stabilizing mechanism, and the damage of the cross arm caused by excessive stress due to the excessive length of the conveying pipeline is avoided.

[0023] In summary, the length-adjustable concrete distributing machine has at least one of the following beneficial technical effects:

[0024] 3. The length of the conveying pipeline is adjusted by the adjusting structure, the construction range is expanded, the installation tolerance is increased, the length of the adjusting pipe is controlled by the adjusting bolt, the conveying pipeline is supplemented and finely adjusted, the length of the moving pipe is adjusted by the telescopic component through the telescopic pneumatic rod, and the total length of the conveying pipeline is supplemented and greatly adjusted.

[0025] 2. The return pipe can rotate around the center of the elbow pipe, the pouring range is changed, the pouring range is expanded, the pouring range in the circumferential range is facilitated to be covered and poured, the pouring dead angle is reduced, and the pouring quality is improved.

[0026] 3. The supporting component stabilizes the fixing device, ensures the stability of the device, provides the cross arm with movable supporting force, adjusts the occupied range of the supporting component by the telescopic leg, and adjusts the stability of the supporting component, so that the stability of the device is improved when the adjusting structure is lengthened. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic view of the overall structure of the length-adjustable concrete distributing machine.

[0028] Figure 2 is Figure 1 is a schematic view of the overall structure of the length-adjustable concrete distributing machine.

[0029] In the figure, 1, support mechanism; 11, support column; 12, support assembly; 121, support frame; 122, telescopic leg; 123, fixed foot; 124, fixed bolt; 2, conveying pipeline; 21, output pipe; 22, elbow pipe; 23, return pipe; 24, rubber pipe; 3, cross arm; 4, adjusting mechanism; 41, connecting pipe; 411, connecting flange; 42, adjusting assembly; 421, adjusting pipe; 422, adjusting flange; 423, adjusting bolt; 43, telescopic assembly; 431, telescopic pneumatic rod; 432, moving pipe; 433, moving flange; 5, bearing seat; 6, counterweight plate; 7, support plate; 71, arc-shaped groove; 8, rotary connecting piece; 9, stabilizing mechanism; 91, stay cable; 92, stabilizing column. DETAILED DESCRIPTION

[0030] The following description will be made in conjunction with the accompanying drawings Figure 1 - the accompanying drawings Figure 2 The present application will be further described in detail.

[0031] A length-adjustable concrete distributing machine, referring to Figure 1 and Figure 2 , comprises a support mechanism 1, a conveying pipeline 2, a cross arm 3, and an adjusting mechanism 4; the support mechanism 1 comprises a support column 11 and a support assembly 12, the support column 11 is a hollow structure, the conveying pipeline 2 is arranged in the support column 11, specifically an output pipe 21, the output pipe 21 is welded to the inner wall of the support column 11, the conveying pipeline 2 comprises the output pipe 21, an elbow pipe 22, a return pipe 23, and a rubber pipe 24, the rubber pipe 24 is a soft pipe, and is connected with the return pipe 23 in a way of inserting and winding a sticky cloth bag, one end of the adjusting mechanism 4 is connected with the flange of the output pipe 21, and the other end is connected with the flange of the elbow pipe 22, the elbow pipe 22, the return pipe 23, and the rubber pipe 24 are connected in sequence, a rotary connecting piece 8 is arranged at the connection position of the elbow pipe 22 and the return pipe 23, the rotary connecting piece 8 is an external bearing, the support assembly 12 is arranged on the outer wall of the support column 11, the support assembly 12 comprises a support frame 121, a telescopic leg 122, and a fixed foot 123, the support frame 121 is circumferentially arranged on the outer wall of the support column 11, the telescopic leg 122 is inserted into the support frame 121, the fixed foot 123 is arranged at one end of the telescopic leg 122, and a plurality of fixed bolts 124 are arranged on the support frame 121, the fixed bolts 124 are stably fixed with the support frame 121 and the fixed foot 123 through threaded holes.

[0032] Referring to Figure 1 and Figure 2The adjusting mechanism 4 comprises a connecting pipe 41, an adjusting assembly 42 and a telescopic assembly 43. The connecting pipe 41 is provided with connecting flanges 411 at two ends. The adjusting assembly 42 comprises an adjusting pipe 421 and an adjusting bolt 423. The adjusting pipe 421 is inserted into one end of the connecting pipe 41, and a sealing ring is arranged at the joint to prevent leakage. The adjusting pipe 421 is integrally provided with an adjusting flange 422 at one end. The adjusting bolt 423 is inserted into the adjusting flange 422 and the connecting flange 411 and is screwed with the holes in the adjusting flange 422 and the connecting flange 411. The telescopic assembly 43 comprises a telescopic pneumatic rod 431 and a moving pipe 432. The telescopic pneumatic rod 431 is arranged on the side of the connecting pipe 41. The moving pipe 432 is inserted into the adjusting pipe 421, and a sealing ring is arranged at the joint to prevent leakage. The moving pipe 432 is provided with a moving flange 433 at one end, specifically integrally provided. The driving end of the telescopic pneumatic rod 431 is welded and fixedly connected with the moving flange 433.

[0033] With reference to Figure 1 The top surface of the support column 11 is provided with a bearing seat 5. The cross arm 3 is arranged on the bearing seat 5. The bearing seat 5 is arranged between the support column 11 and the cross arm 3, so that the support column 11 and the cross arm 3 are rotationally connected.

[0034] With reference to Figure 1 The cross arm 3 is provided with a stabilizing mechanism 9. The stabilizing mechanism 9 comprises a stay cable 91 and a stabilizing column 92. The stabilizing column 92 is arranged in the cross arm 3 and connects the inner walls on the two sides of the cross arm 3. The stay cable 91 pulls the cross arm 3 to form a triangular stabilizing structure. A counterweight plate 6 is arranged at one end of the cross arm 3. The counterweight plate 6 is clamped between the cross arm 3 and the stabilizing column 92. The counterweight plate 6 is arranged in blocks and cooperates with the adjusting mechanism 4 to extend the length. The other end of the cross arm 3 is provided with a support plate 7. The support plate 7 is provided with an arc-shaped groove 71. The conveying pipeline 2 is clamped in the arc-shaped groove 71.

[0035] The implementation principle of the embodiment of the present application is as follows:

[0036] After the device is installed and fixed, the concrete is pumped into the conveying pipeline 2, and the cross arm 3 is rotated for pouring. For the coverage pouring in the circle, the rotating connecting piece 8 is rotated and the rubber hose 24 is moved to complete the coverage pouring. For the range outside, the rubber hose 23 is moved outward by rotating the rotating connecting piece 8, or the adjusting assembly 42 is extended by adjusting the bolt 423, and the moving pipe 432 is extended by the telescopic pneumatic rod 431, so as to realize the length adjustment of the distributing machine and expand the pouring range.

[0037] The embodiments of the specific implementation mode are the preferred embodiments of the present application, but do not limit the protection scope of the present application. The same parts are indicated by the same reference numerals. Therefore, equivalent changes made according to the structure, shape and principle of the present application should be covered by the protection scope of the present application.

Claims

1. A length adjustable concrete placing machine characterized by, Including support mechanism (1), conveying pipeline (2), cross arm (3) and adjusting mechanism (4);The adjusting mechanism (4) includes connecting pipe (41), adjusting assembly (42), telescopic assembly (43), the connecting pipe (41) is provided with connecting flange (411) at both ends, the adjusting assembly (42) includes adjusting pipe (421) and adjusting bolt (423), the adjusting pipe (421) is inserted in one end of connecting pipe (41), the adjusting pipe (421) is provided with adjusting flange (422) at one end, the adjusting bolt (423) is inserted on adjusting flange (422) and connecting flange (411), the telescopic assembly (43) includes telescopic pneumatic rod (431), moving pipe (432);The telescopic pneumatic rod (431) is provided on the side of connecting pipe (41), the moving pipe (432) is inserted in adjusting pipe (421), and the moving pipe (432) is provided with moving flange (433) at one end, and the driving end of the telescopic pneumatic rod (431) is fixedly connected with the moving flange (433).

2. A length adjustable concrete placing boom as claimed in claim 1 wherein: The support mechanism (1) includes support column (11) and support assembly (12), the support column (11) is a hollow structure, and the support assembly (12) is arranged on the outer sidewall of the support column (11).

3. A length adjustable concrete placing machine according to claim 2, characterized in that: The support assembly (12) includes support frame (121), telescopic leg (122) and fixed foot (123), the support frame (121) is circumferentially arranged on the outer wall of the support column (11), the telescopic leg (122) is inserted into the support frame (121), and the fixed foot (123) is arranged at one end of the telescopic leg (122), and a plurality of fixed bolts (124) are arranged on the support frame (121).

4. A length adjustable concrete placing machine according to claim 2, characterized in that: The top surface of the support column (11) is provided with a bearing seat (5), and the cross arm (3) is arranged on the bearing seat (5).

5. A length adjustable concrete placing machine according to claim 1, characterized in that: The cross arm (3) is provided with a counterweight plate (6) at one end, and a support plate (7) is arranged at the other end of the cross arm (3), the support plate (7) is provided with an arc-shaped groove (71), and the conveying pipeline (2) is clamped in the arc-shaped groove (71).

6. A length adjustable concrete placing machine according to claim 2, characterized in that: The conveying pipeline (2) is arranged in the support column (11), and the conveying pipeline (2) includes output pipe (21), elbow pipe (22), return pipe (23) and rubber pipe (24), one end of the adjusting mechanism (4) is connected with the flange of the output pipe (21), the other end is connected with the flange of the elbow pipe (22), and the elbow pipe (22), the return pipe (23) and the rubber pipe (24) are connected in sequence.

7. A length adjustable concrete placing machine according to claim 6, characterized in that: The connecting part of the elbow pipe (22) and the return pipe (23) is provided with a rotary connecting piece (8).

8. A length adjustable concrete placing machine according to claim 1, characterized in that: The cross arm (3) is provided with a stabilizing mechanism (9), the stabilizing mechanism (9) includes diagonal cable (91) and stabilizing column (92), the stabilizing column (92) is arranged in the cross arm (3) and connects the inner walls of the two sides of the cross arm (3), and the diagonal cable (91) is inclined to the cross arm (3) to form a triangular stable structure.

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