CN211523466U

CN211523466U - Mechanical telescopic arm

Info

Publication number: CN211523466U
Application number: CN201921856534.9U
Authority: CN
Inventors: 陈剑平; 刘昌林
Original assignee: Hunan Qisi Environmental Protection Equipment Manufacturing Co ltd
Current assignee: Hunan Qisi Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-09-18
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to a mechanical telescopic arm, which comprises a multi-stage hydraulic cylinder; the multi-stage hydraulic cylinder is sleeved with a plurality of segment pipes, the segment pipes are connected with the multi-stage hydraulic cylinder in sequence after being stretched, each segment pipe comprises a sliding block, and the sliding blocks are used for assisting the sliding among the segment pipes; the support, the support setting is on the outside section pipe in a plurality of section pipes that cup joint. The utility model provides a mechanical telescopic arm, the section pipe one-to-one that will cup joint through multistage pneumatic cylinder, thereby increase the extension length of section pipe, and simultaneously, for the convenience of the slip between the section pipe, be provided with the slider on the section pipe, resistance when sliding between two adjacent section pipes has been reduced effectively, be provided with the support in the section pipe outside, be used for installing external pipeline, perhaps cooperate the reelpipe ware, carry new station with external pipeline, thereby provide interim connection when underground equipment need change new external device, better convenience has in the aspect of using.

Description

Mechanical telescopic arm

Technical Field

The utility model relates to the field of mechanical engineering, especially, relate to a mechanical telescopic arm.

Background

During underground operation, equipment needs to be moved frequently so as to complete corresponding tasks, such as a dredging robot, and the equipment needs to be moved continuously in an underground box culvert to complete dredging work in the box culvert. When the equipment works underground, the equipment is usually required to be connected with an external device on the ground so as to obtain enough power source or be convenient for the outside to control the power source. When the underground operation range is large, the external device with a fixed position on the ground limits the range and convenience of the underground operation, so that the external device with a movable or a plurality of stations can be adopted under common conditions, and the requirement of the underground operation is met.

When the equipment moves to a new station during underground operation, the connection with the external device at the previous station needs to be disconnected, and the equipment is reconnected to the external device at the new station. At present, corresponding auxiliary equipment is lacked in the market aiming at the problem of suspended operation when underground equipment needs to change external devices of different stations.

SUMMERY OF THE UTILITY MODEL

Therefore, a mechanical telescopic arm is needed to be provided for solving the problem that the external devices at different stations of underground equipment are easy to cause the operation halt of the equipment.

A mechanical telescopic arm comprises a multi-stage hydraulic cylinder; the segment pipes are sleeved on the multistage hydraulic cylinder and can be connected one by one in sequence after the multistage hydraulic cylinder extends, and each segment pipe comprises a sliding block which is used for assisting the sliding among the segment pipes; the support is arranged on the outermost section pipe in the sleeved section pipes.

The end part of the multi-stage hydraulic cylinder is connected with the end part of the outermost section pipe in the plurality of sleeved section pipes, and the end part is close to the starting point of the multi-stage hydraulic cylinder in the extending direction.

The tail part of the multi-stage hydraulic cylinder is connected with the tail part of the innermost section pipe in the plurality of sleeved section pipes, and the tail part is the other end far away from the starting point of the multi-stage hydraulic cylinder in the extending direction.

Two adjacent section pipes in the sleeved section pipes are clamped through a limiting assembly.

The limiting assembly comprises a limiting baffle and a limiting block, the limiting block is arranged on the segment pipe on the inner side in the two adjacent segment pipes, and the limiting baffle is arranged on the segment pipe on the outer side in the two adjacent segment pipes.

The stopper sets up the tip of festival section pipe, the quantity of stopper is two, have between two stoppers and supply the clearance that the slider passed.

The limiting baffle plate is arranged at the tail part of the segment pipe and is perpendicular to the sliding direction of the segment pipe.

The limiting baffle plates at the tail parts of the two adjacent sections of pipes are arranged vertically relatively.

The end part and/or the tail part of the section pipe are/is provided with a groove, and the sliding block is arranged in the groove.

The tip and the afterbody of section pipe all are equipped with the recess of section pipe tip is followed the section outside of tubes sets up the section socle portion the recess is followed the section intraductal side sets up.

The utility model provides a mechanical telescopic arm, the section pipe one-to-one that will cup joint through multistage pneumatic cylinder, thereby increase the extension length of section pipe, and simultaneously, for the convenience of the slip between the section pipe, be provided with the slider on the section pipe, resistance when sliding between two adjacent section pipes has been reduced effectively, be provided with the support in the section pipe outside, be used for installing external pipeline, perhaps cooperate the reelpipe ware, carry new station with external pipeline, thereby provide interim connection when underground equipment need change new external device. The technical scheme that this application provided can cooperate the reelpipe ware to use together, when needing frequently to change external device to underground equipment, can provide short distance, interim connection, and this device simple structure, simple to operate can stretch out and draw back at any time, has better convenience in the aspect of using.

Various specific structures of the present application, as well as the functions and effects thereof, will be described in further detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of a segment tube of a mechanically telescoping arm according to one embodiment of the present application;

FIG. 2 is a schematic view of a mechanical telescopic boom according to an embodiment of the present application with two adjacent segments of pipe connected;

FIG. 3 is a front view of a mechanically telescoping arm of one embodiment of the present application;

FIG. 4 is a top view of a mechanical telescoping arm according to one embodiment of the present application;

FIG. 5 is a cross-sectional view of a mechanical telescopic arm according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be further clearly and completely described below with reference to the accompanying drawings, but it should be noted that the following embodiments are only some preferred embodiments in the present application, and do not refer to all embodiments covered by the technical solutions of the present application.

It should be noted that when an element is referred to as being "fixed" to another element in the description of the present application, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Fig. 1 shows a perspective view of a segment pipe of a mechanical telescopic boom according to an embodiment of the present application, wherein the segment pipe 1 is in a sleeve shape, so that a plurality of segment pipes 1 are sleeved together, the segment pipe 1 comprises a limiting component, and the limiting component is used for clamping two adjacent segment pipes 1 together, thereby extending the arm length of the mechanical telescopic boom. The limiting assembly comprises a limiting block 11 and a limiting baffle 12, the limiting block 11 is arranged at the end part of the segment pipe 1, the limiting baffle 12 is arranged at the tail part of the segment pipe 1, and the limiting baffle 12 of the previous segment pipe 1 is clamped at the position of the limiting block 11 of the next segment pipe 1, so that the limiting block 11 and the limiting baffle 12 are clamped. It should be noted that the end portion mentioned above refers to one end close to the starting point of the extending direction of the plurality of segment pipes, and the tail portion refers to the other end far from the starting point of the extending direction of the plurality of segment pipes.

In a preferred embodiment, the segment pipe 1 is a cubic structure, the two limiting blocks 11 are symmetrically disposed on two opposite side surfaces of the segment pipe 1, and each pair of limiting blocks 11 comprises two limiting blocks 11, the two limiting blocks 11 are symmetrically disposed on one side surface of the segment pipe 1, and a gap 15 is formed between the two limiting blocks 11. In addition, in order to facilitate the sliding between the segment pipes 1, grooves are provided on the segment pipes 1, specifically, a first groove 13 is provided at the tail of the segment pipe 1, and a second groove 14 is provided at the end of the segment pipe, when the relative sliding occurs between the segment pipes 1 that are sleeved together, in order to reduce the friction between them, sliders (not shown) are respectively placed on the first groove 13 and the second groove 14, the sliders can be embedded into the first groove 13 and the second groove 14, the contact area between the sleeved segment pipes 1 is reduced, and thus, the slider should be placed between the surfaces that are in contact when the two adjacent segment pipes 1 slide with each other. Meanwhile, the first groove 13 or the second groove 14 in which the slider is placed can smoothly pass through the gap 15 between the stoppers 11 when sliding.

Fig. 2 is a schematic diagram illustrating the connection between two adjacent segment pipes of the mechanical telescopic boom according to an embodiment of the present invention, and according to a preferred embodiment of the present invention, when a plurality of sleeved segment pipes 1 are extended, the outermost segment pipe 1 is set to preferentially extend, and then the inner segment pipes 1 are pulled one by one layer to extend, so that the mechanical telescopic boom is extended. For better illustration of the connection between two adjacent segment pipes 1, the outer segment pipe 1 is named as a second segment pipe 2, and the inner segment pipe 1 is named as a third segment pipe 3. No. two segmental tubes 2 along No. three segmental tubes 3 to A direction roll-off back, No. two segmental tubes 2 afterbody spacing plate 22 remove No. three segmental tube 3 stopper 31 department of tip after, stopper 31 forms limiting displacement to spacing plate 22 for No. two segmental tubes 2 joint is in the position shown in figure 2.

When the second-section pipe 2 slides along the third-section pipe 3, the first groove 23 at the tail of the second-section pipe 2 gradually moves to be close to the end of the third-section pipe 3, and meanwhile, the second groove 34 at the end of the third-section pipe 3 gradually moves to be close to the tail of the second-section pipe 2. In addition, the sliding block 4 is added on the surface of the second-segment pipe 2 contacted with the third-segment pipe 3 to reduce the resistance when sliding, and the sliding block 4 is placed in the first groove 23 and the second groove 34, so that the first groove 23 is arranged in the inner direction of the tail part of the second-segment pipe 2, and the second groove 34 is arranged in the outer direction of the end part of the third-segment pipe 3.

Fig. 3 is a front view of a mechanical telescopic boom according to an embodiment of the present disclosure, where the mechanical telescopic boom includes a plurality of segment pipes 1, a multi-stage hydraulic cylinder 5, and a bracket 6, the plurality of segment pipes 1 are sleeved on the multi-stage hydraulic cylinder 5, and the plurality of segment pipes 1 are connected one by one along with the extension of the multi-stage hydraulic cylinder 5, and the connection manner is shown in fig. 2. A plurality of section pipes 1 cup joint together, are provided with support 6 on the section pipe 1 of its outside, and support 6 extends along with section pipe 1, through support 6 with external pipe connection on the flexible arm of machinery to can extend or contract along with the flexible arm of machinery, thereby realize being connected with external equipment.

Fig. 4 is a top view of a mechanical telescopic boom according to an embodiment of the present application, a plurality of segment pipes 1 are sleeved in a multi-stage hydraulic cylinder 5, and a limiting baffle 12 is disposed at a tail portion of each segment pipe 1, the limiting baffle 12 is used for enabling two adjacent segment pipes 1 to form a clamping connection after the segment pipes 1 are extended, so as to prevent the segment pipes from falling off, because when the segment pipes 1 are extended, the limiting baffle 12 can be matched with a limiting block 11 on the adjacent segment pipe 1, and does not limit sliding of the segment pipe 1, therefore, in actual manufacturing, the segment pipes 1 are firstly sleeved on the multi-stage hydraulic cylinder 5, then the limiting baffle 12 is welded to the tail portion of the segment pipes 1, and a direction of the limiting baffle 12 is perpendicular to an extending direction of the segment pipes 1. Meanwhile, the limiting baffles 12 on two adjacent segment pipes 1 are arranged in a staggered manner, so that the limiting baffles 12 do not limit the extension of other segment pipes 1, preferably, each segment pipe 1 is provided with a pair of limiting baffles 12, the limiting baffles 12 are respectively arranged on two symmetrical side surfaces of the segment pipe 1, and the pair of limiting baffles 12 on two adjacent segment pipes 1 are perpendicular to each other.

Fig. 5 is a cross-sectional view of a mechanical telescopic boom according to an embodiment of the present invention, wherein a plurality of segment pipes 1 includes five segment pipes 1 which are sleeved, five segment pipes 1 are sleeved on a multi-stage hydraulic cylinder 5, and the outermost section pipe 1 of the five section pipes 1 is connected with the end part 52 of the multi-stage hydraulic cylinder 5 through a pin shaft 53, the tail part of the innermost section pipe 1 of the five section pipes 1 is connected with the bottom part 51 of the multi-stage hydraulic cylinder 5, when the multistage hydraulic cylinder 5 extends towards the direction A, the outermost segment pipe 1 can be preferably driven to slide towards the direction A, then the outermost segment pipe 1 pulls the five sleeved segment pipes 1 one by one from the outside to the inside through the limiting component and under the action of the multistage hydraulic cylinder 5, and the innermost section pipe 1 is connected with the multi-stage hydraulic cylinder 5, so that the five sleeved section pipes 1 can do extension or contraction movement together with the multi-stage hydraulic cylinder 5.

It should be noted that the plurality of segment pipes provided by the present application are only an optimal manner, and segment pipes of other numbers or shapes, such as a cylinder, and a limiting component and a sliding block matched with the segment pipes, can conveniently extend the segment pipes sleeved with each other one by one, which is allowed by the present application, and those skilled in the art can design a suitable mechanical telescopic arm according to actual working needs.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A mechanically telescoping arm, comprising:

a multi-stage hydraulic cylinder;

the segment pipes are sleeved on the multistage hydraulic cylinder and can be connected one by one in sequence after the multistage hydraulic cylinder extends, and each segment pipe comprises a sliding block which is used for assisting the sliding among the segment pipes;

the support is arranged on the outermost section pipe in the sleeved section pipes.

2. The mechanical telescopic arm according to claim 1, wherein an end of the multi-stage hydraulic cylinder is connected to an end of an outermost segment pipe of the plurality of nested segment pipes, and the end is close to a starting point of the multi-stage hydraulic cylinder in an extending direction.

3. The mechanical telescopic arm according to claim 2, wherein the tail of the multi-stage hydraulic cylinder is connected to the tail of the innermost section of the plurality of sleeved section pipes, and the tail is the other end far away from the starting point of the multi-stage hydraulic cylinder in the extending direction.

4. The mechanical telescopic arm according to claim 3, wherein two adjacent ones of the sleeved segment tubes are clamped by a limiting assembly.

5. The mechanical telescopic arm according to claim 4, wherein the limiting assembly comprises a limiting baffle and a limiting block, the limiting block is arranged on the inner section pipe of the two adjacent section pipes, and the limiting baffle is arranged on the outer section pipe of the two adjacent section pipes.

6. The mechanical telescopic arm according to claim 5, wherein the two limiting blocks are arranged at the end of the section pipe, and a gap for the sliding block to pass through is formed between the two limiting blocks.

7. The mechanical telescopic arm according to claim 5, wherein the limit stop is arranged at the tail of the segment pipe and is perpendicular to the sliding direction of the segment pipe.

8. The mechanical telescopic arm according to claim 7, wherein the limiting baffles of the two adjacent segment pipe tail portions are arranged vertically.

9. A mechanically telescopic arm according to claim 8, wherein the end and/or tail of said segment tube is provided with a groove, said slider being arranged within said groove.

10. A mechanically telescopic arm according to claim 9, wherein both the ends and the tail of the segment tube are provided with said grooves, the grooves at the ends of the segment tube being provided along the outside of the segment tube and the grooves at the tail of the segment tube being provided along the inside of the segment tube.