CN113955619A

CN113955619A - Hoisting device

Info

Publication number: CN113955619A
Application number: CN202111325357.3A
Authority: CN
Inventors: 李想; 李会蓉; 卢文广; 许小明; 郑卫芳
Original assignee: China Institute of Atomic of Energy
Current assignee: China Institute of Atomic of Energy
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-01-21
Anticipated expiration: 2041-11-10
Also published as: CN113955619B

Abstract

The embodiment of the application discloses a hoisting device, relates to the technical field of hoisting equipment, and solves the problem that an existing hoisting device cannot hoist a measuring device into a work site with an obstacle above the work site. The hoisting device comprises a first connecting rod group, a second connecting rod group and a connecting piece, wherein one end of the first connecting rod group is used for being hoisted by a power mechanism, one end of the second connecting rod group is used for being connected with a measuring device, one end of the first connecting rod group, which is far away from the power mechanism, and one end of the second connecting rod group, which is far away from the measuring device, are movably connected through the connecting piece, so that a certain included angle is formed between the extending direction of the first connecting rod and the extending direction of the second connecting rod. The application discloses hoist device is used for hoist and mount measuring device.

Description

Hoisting device

Technical Field

The embodiment of the application relates to the technical field of hoisting equipment, in particular to a hoisting device.

Background

When transporting equipment or components with large volume or weight to a specific working site, a power mechanism is often needed to control the hoisting device to install or position the equipment. For example, when a metal plate is subjected to thermal experimental treatment in a "sunk well" hearth in a hot chamber, dust on the metal plate after multiple treatments is scattered inside the hearth and adsorbed at places difficult to observe. In order to measure the total amount of dust, a special measuring device needs to be hung into the furnace chamber by using a hoisting device, and the measuring device needs to be respectively arranged at a plurality of different height sites for accurate measurement.

The hoisting device in the related art transports the measuring device from the upper part of the hearth opening to the inside of the hearth along the vertical direction through the power mechanism positioned above the hearth opening, and measures the dust content of different sites.

However, when there is an obstacle above a specific work site, for example, the upper side of a hearth opening in a hot room is closed, since the power mechanism cannot reach the upper side of the work site, the hoisting device cannot be controlled to hoist the measuring device into the work site.

Disclosure of Invention

The embodiment of the application provides a hoisting device, can hang measuring device into the place of working that has the barrier above.

The embodiment of the application provides a hoisting device, which comprises a first connecting rod group, a second connecting rod group and a connecting piece; one end of the first connecting rod group is used for being hoisted by a power mechanism; one end of the second connecting rod group is used for being connected with the measuring device; one end of the first connecting rod group, which is far away from the power mechanism, is movably connected with one end of the second connecting rod group, which is far away from the measuring device, through a connecting piece, so that a certain included angle is formed between the extending direction of the first connecting rod group and the extending direction of the second connecting rod group.

The embodiment of the application provides a hoisting device, the one end of first connecting rod group is used for being hoisted by power mechanism, and the one end of second connecting rod group is used for being connected with measuring device, keeps away from power mechanism's one end and the one end swing joint that measuring device was kept away from to second connecting rod group through the connecting piece with first connecting rod group for the extending direction of first connecting rod group becomes certain contained angle with the extending direction of second connecting rod group. When the dust content measuring device is used, the measuring device is connected with one end of the second connecting rod group, one end of the first connecting rod group is lifted through the power mechanism, the second connecting rod group and the measuring device can be kept naturally vertical under the action of gravity and move along with the movement of the first connecting rod group, and the dust content of different sites in a work site is measured by moving the first connecting rod group. Compare among the correlation technique and need be through the power unit that is located the work place top, transport measuring device to the work place inside along the vertical direction from the top in work place, this application passes through the connecting piece of swing joint between first linkage and second linkage, make the extending direction of first linkage and the extending direction of second linkage become certain contained angle, thereby can hang first linkage through power unit in the position that becomes certain contained angle with work place top, under the effect of gravity, second linkage and measuring device remain nature perpendicular all the time, and move along with the removal of first linkage, measure the dust content of the inside different sites in work place. To the work place that has the barrier in the top, need not place power unit in the work place top just can hang measuring device into the work place and measure, and simple structure, convenient operation.

In one possible implementation manner of the present application, an end of the first linkage away from the power mechanism and an end of the second linkage away from the measuring device are rotatably connected through a connecting member. In order to make the extending direction of the first connecting rod group and the extending direction of the second connecting rod group form a certain included angle, the first connecting rod group and the second connecting rod group can be flexibly connected through a connecting piece and can also be rotatably connected.

In one possible implementation manner of the present application, the connecting member is a universal joint, one end of the universal joint is fixedly connected to the first connecting rod set, and the other end of the universal joint is fixedly connected to the second connecting rod set. In order to enable the first linkage and the second linkage to be rotatably connected through the connecting piece, the first linkage and the second linkage can be hinged through the connecting piece as long as the first linkage and the second linkage can rotate. In order to increase the range of rotation between the first linkage and the second linkage, in the embodiment of the present application, the connecting member is a universal joint, and specifically, the universal joint is a cross-axle rigid universal joint.

In one possible implementation manner of the present application, the connecting member includes a plurality of serially connected universal joints, head ends of the plurality of serially connected universal joints are fixedly connected to the first connecting rod group, and tail ends of the plurality of serially connected universal joints are fixedly connected to the second connecting rod group. The connecting piece can adopt a universal joint, also can adopt a plurality of universal joints of establishing ties, in order to further improve the scope of rotating between first connecting rod group and the second connecting rod group, the connecting piece includes a plurality of universal joints of establishing ties in this application embodiment.

In a possible implementation manner of the application, the second linkage includes a plurality of second connecting rods, the plurality of second connecting rods are detachably connected together end to end, one end of the second linkage is connected with the connecting piece, and the other end of the second linkage is used for being connected with the measuring device. The second linkage may include one second connecting rod or a plurality of connecting rods, and in order to enable the measuring device to measure the dust content at different positions in the hot chamber and improve the measuring range, the second connecting rod in the embodiment of the present invention includes a plurality of second connecting rods, and the plurality of second connecting rods are detachably connected together end to end.

In one possible implementation manner of the present application, two adjacent second connecting rods are connected through a thread. The two adjacent second connecting rods can be in threaded connection, spline connection, clamping hook connection and the like, and in order to improve the connection reliability of the two adjacent second connecting rods, the two adjacent second connecting rods are in threaded connection.

In a possible implementation manner of the application, the second connecting rod comprises a connecting rod body, an upper connector and a lower connector, the upper connector and the lower connector are respectively located at two ends of the second connecting rod, the inner part of the upper connector is provided with an internal thread, the outer part of the lower connector is provided with an external thread, the lower connector of one of the two adjacent second connecting rods extends into the upper connector of the other second connecting rod, and the external thread is matched with the internal thread to connect the two adjacent second connecting rods in a threaded manner. In order to make two adjacent second connecting rod threaded connection, can set up the internal thread in the one end of second connecting rod, the other end sets up the external screw thread, through external screw thread and female thread fit, with two adjacent second connecting rod threaded connection, for manufacturing in order to make things convenient for, the second connecting rod includes the connecting rod body in this application embodiment, go up connector and lower connector, the inside at last connector sets up the internal thread, the outside of connector sets up the external screw thread down, through external screw thread and female thread fit, with two adjacent second connecting rod threaded connection.

In one possible implementation manner of the present application, in each second connecting rod, the lower connecting head is rotatably connected to the connecting rod body, and a central axis direction of the rotatable connection of the lower connecting head and the connecting rod body is consistent with an extending direction of the second connecting rod. The lower connector and the second connecting rods can be fixedly connected and also can be rotatably connected, and the lower connector and the connecting rod body can be rotatably connected in order to facilitate threaded connection between two adjacent second connecting rods.

In one possible implementation of the present application, the second end of the lower connector is of a tapered configuration. One of them lower connector of two adjacent second connecting rods and another last connector as long as can threaded connection, in order to make things convenient for the alignment between last connector and the lower connection, establish the second end of lower connector into the toper structure, conveniently stretch into in another last connector.

In a possible implementation manner of the application, a rotating handle is arranged on the radial outer portion of the lower connector, a certain included angle is formed between the extending direction of the rotating handle and the extending direction of the connector, and the rotating handle is used for being operated by a mechanical arm so that the lower connector rotates relative to the connecting rod body. Because inconvenient manual operation in the hot chamber needs to be connected two adjacent second connecting rods with the help of robotic arm, and there is not frictional force between robotic arm and the connector, consequently, make things convenient for robotic arm rotatory lower connector to make it carry out threaded connection with last connector, be provided with the turning handle in the radial outside of connector down, and be provided with spacing ball at the tip of turning handle, spacing ball protrusion turning handle's radial outline.

In one possible implementation manner of the application, the rotating handles are multiple, and the multiple rotating handles are arranged at intervals along the circumferential direction of the lower connecting head. In order to facilitate the rotation of the lower connector from different angles by the mechanical arm, a plurality of rotating handles are arranged at intervals in the circumferential direction of the connector.

In one possible implementation of the present application, the outer profile of the upper connector has a profile for being gripped by the robot arm to prevent rotation of the upper connector and the connecting body along the axis. In order to prevent the unfixed second connecting rod from rotating when the lower connecting head is rotated to connect two adjacent second connecting rods, the upper connecting head with the profile on the outer profile is adopted, so that the profile is clamped by the mechanical arm, and the upper connecting head and the connecting body are prevented from rotating along the axis.

In a possible implementation manner of the present application, the first link group includes a plurality of first links, the first links are rigidly connected end to end, one end of the first link group is connected to the connecting member, and the other end of the first link group is used for being lifted by the power mechanism. To accommodate depth in the horizontal direction, the first linkage set includes a plurality of first linkages rigidly connected together.

In a possible implementation manner of the present application, an anti-slip clamping handle is disposed at an end of the first connecting rod group away from the connecting member, and the anti-slip clamping handle is used for being clamped by a power mechanism. There is not frictional force between power unit and the first connecting rod group, for the convenience of centre gripping, takes place the slippage when preventing the centre gripping simultaneously, is equipped with the stopper in the one end that the connecting piece was kept away from to first connecting rod group.

In a possible implementation manner of the application, the measuring device further comprises a clamping piece, one end, away from the connecting piece, of the second connecting rod group is connected with the measuring device through the clamping piece, and the clamping piece is used for clamping the measuring device. In order to reliably connect the second linkage to the measuring device, the measuring device is clamped by the clamping member, and then the second linkage is connected to the clamping member.

In a possible implementation manner of the present application, the second linkage is fixedly connected with a bearing plate, the bearing plate extends along a radial direction of an extending direction of the second linkage, a width of the bearing plate in the extending direction is greater than a width of an opening of the container to be measured, and two ends of the bearing plate are used for being overlapped on the opening of the container to be measured. Because the measuring device is heavy, in order to reduce the energy consumption of the power mechanism, the bearing plate is fixedly connected to the second connecting rod group, the width of the bearing plate in the extension direction of the bearing plate is larger than the width of the opening of the container to be measured, and two ends of the bearing plate are lapped on the opening of the container to be measured.

In a possible implementation manner of the present application, the bearing plate is fixedly connected to one end of the second linkage, which is far away from the connecting member, the clamping member is located on one side of the bearing plate, which is far away from the second linkage, and the clamping member is fixedly connected to the second linkage through the bearing plate.

In a possible implementation manner of the present application, the bearing plate further includes a support frame, the support frame is fixed on one side of the bearing plate away from the second linkage, and the clamping member is fixedly connected with the bearing plate through the supporting member.

Drawings

Fig. 1 is a schematic structural diagram of a hoisting device provided in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a connecting member in a hoisting device provided in an embodiment of the present application;

fig. 3 is a cross-sectional view of a second connecting rod in a hoisting device provided by an embodiment of the present application;

fig. 4 is a schematic structural diagram of a second connecting rod in the hoisting device provided in the embodiment of the present application;

fig. 5 is a schematic structural diagram of a bearing plate in a hoisting device according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a hoisting device including a plurality of second connecting rods according to an embodiment of the present application.

Reference numerals:

1-a first group of links; 11-a first link; 111-anti-slip clamp handle; 112-a first stopper; 2-a second linkage; 21-a second link; 211-connecting rod body; 2111-groove; 212-upper connection head; 2121-internal thread; 2122-moulding surface; 21221-a second stopper; 213-lower connector; 2131-external threads; 2132-protrusions; 2133-rotating handle; 2134-a limit ball; 3-a connector; 31-a universal joint; 311-a connection body; 312-a connecting portion; 313-cross shaft; 3131 — a first hinge; 3132-a second hinge; 4-a clamping member; 41-clamping plate; 5-a bearing plate; 51-a support frame; 52-a flange; 53-threaded post; 6-a measuring device; 61-measurement body; 62-measuring the clamp handle; 63-cover plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, specific technical solutions of the present application will be described in further detail below with reference to the accompanying drawings in the embodiments of the present application. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

In the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present application, "a plurality" means two or more unless otherwise specified.

In addition, in the embodiments of the present application, directional terms such as "upper", "lower", "left", and "right" are defined with respect to the schematically-placed orientation of components in the drawings, and it is to be understood that these directional terms are relative concepts, which are used for descriptive and clarifying purposes, and may be changed accordingly according to changes in the orientation in which the components are placed in the drawings.

In the embodiments of the present application, unless otherwise explicitly specified or limited, the term "connected" is to be understood broadly, for example, "connected" may be a fixed connection, a detachable connection, or an integral body; may be directly connected or indirectly connected through an intermediate.

In the embodiments of the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the embodiments of the present application, words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

The embodiment of the application provides a hoisting device, which is used for transporting equipment or components with larger volume or larger weight to a certain specific working site. Illustratively, referring to fig. 1, the measuring device 6 is hung into the hearth of the hot chamber, and the measuring device 6 is respectively arranged at a plurality of different height positions, so that dust adsorbed at a plurality of places difficult to observe in the hearth can be accurately measured. Specifically, be connected measuring device 6 with second connecting rod group 2, connect in will first connecting rod group 1 and second connecting rod group 2 through connecting piece 3, utilize power unit to hoist first connecting rod group 1 to make second connecting rod 21 drive measuring device 6 measure dust content in furnace inside and outside different positions through the position of controlling first connecting rod group 1. The hoisting device provided by the embodiment of the application has the advantages of simple structure and easiness in operation, and can be used for measuring the powder content in different positions in and out of the hot chamber hearth.

The hoisting device in the related art transports the device to be hoisted to a specific position from the upper part of a specific work site along the vertical direction through a power mechanism positioned above the specific work site, and measures the dust content of different sites. When the barrier is arranged above the specific working site, and the power mechanism cannot reach the specific working site, the hoisting device cannot transport the device to be hoisted to the specific position.

The hoisting device of this application embodiment has carried out new design to the structure, refers to fig. 1, sets up between first connecting rod group 1 and second connecting rod group 2 and can make first connecting rod group 1 and second connecting rod group 2 swing joint's connecting piece 3 for the extending direction of first connecting rod 11 and the extending direction of second connecting rod 21 become certain contained angle. Therefore, the position of the second connecting rod 21 can be controlled by lifting the first connecting rod group 1 without a power mechanism above a specific working site, and the equipment to be lifted is transported to the specific working site.

Referring to fig. 1, an embodiment of the present application provides a hoisting device, including a first link group 1, a second link group 2, and a connecting member 3; one end of the first connecting rod group 1 is used for being lifted by a power mechanism; one end of the second connecting rod group 2 is used for being connected with the measuring device 6; one end of the first connecting rod group 1, which is far away from the power mechanism, is movably connected with one end of the second connecting rod group 2, which is far away from the measuring device, through the connecting piece 3, so that a certain included angle is formed between the extending direction of the first connecting rod group 1 and the extending direction of the second connecting rod group 2.

The embodiment of the application provides a hoisting device, the one end of first linkage 1 is used for being hoisted by power mechanism, the one end of second linkage 2 is used for being connected with measuring device 6, keep away from power mechanism's one end and the one end swing joint that measuring device 6 was kept away from to second linkage 2 with first linkage 1 through connecting piece 3 for the extending direction of first linkage 1 and the extending direction of second linkage 2 become certain contained angle. During the use, be connected measuring device 6 with the one end of second connecting rod group 2, hoist the one end of first connecting rod group 1 through power unit, under the effect of gravity, second connecting rod group 2 can keep nature perpendicular with measuring device 6 to remove along with the removal of first connecting rod group 1, make measuring device 6 measure the dust content of the different positions of furnace inside and outside through removing first connecting rod group 1. Compare among the correlation technique and need through the power unit that is located furnace mouth top, transport measuring device 6 to furnace inside along the vertical direction from the top of furnace mouth, this application is through swing joint connecting piece 3 between first connecting rod group 1 and second connecting rod group 2, make the extending direction of first connecting rod group 1 and the extending direction of second connecting rod group 2 become certain contained angle, thereby can become first connecting rod group 1 through power unit in the position that becomes certain contained angle with the furnace mouth, under the effect of gravity, second connecting rod group 2 remains nature perpendicular with measuring device 6 throughout, and move along with the removal of first connecting rod group 1, the realization is measured the dust content of furnace inside and outside different positions.

In the embodiment of the present application, an angle formed between the extending direction of the first linkage 1 and the extending direction of the second linkage 2 is 90 degrees.

The first connecting rod group 1 and the second connecting rod group 2 can be flexibly connected through the connecting piece 3 and can also be rotatably connected as long as a certain included angle is formed between the extending direction of the first connecting rod group 1 and the extending direction of the second connecting rod group 2.

If the first connecting rod group 1 and the second connecting rod group 2 are flexibly connected through the connecting piece 3, the range of the direction of changing the second connecting rod group 2 through the first connecting rod group 1 is smaller, and the measurement device 6 is inconvenient to measure the dust content at different positions in the hot room.

Therefore, in the embodiment of the present application, the end of the first linkage 1 away from the power mechanism and the end of the second linkage 2 away from the measuring device are rotatably connected by the connecting member 3. So that the first linkage 1 can drive the second linkage 2 to have a larger moving range in the horizontal direction.

In order to rotatably connect the first linkage 1 and the second linkage 2 through the connecting member 3, the first linkage 1 and the second linkage 2 may be hinged through the connecting member 3 as long as they can rotate. In order to increase the rotation range of the first linkage 1 and the second linkage 2 and facilitate the operation, referring to fig. 1 and 2, the connecting member 3 in the embodiment of the present application is a universal joint 31, and one end of the universal joint 31 is fixedly connected with the first linkage 1, and the other end is fixedly connected with the second linkage 2. Make first linkage 1 can drive second linkage 2 and rotate to a plurality of directions, first linkage 1 need not can change the horizontal position of second linkage 2 through horizontal migration, convenient operation has improved measurement of efficiency.

Connecting piece 3 can adopt a universal joint 31, also can adopt a plurality of universal joints 31, for the rotation range of the first connecting rod group 1 of further improvement connecting piece 3 and second connecting rod group 2, refer to fig. 2, connecting piece 3 includes a plurality of universal joints 31 of establishing ties in this application embodiment, the head end and the first connecting rod group 1 fixed connection of a plurality of universal joints 31 of establishing ties, tail end and second connecting rod group 2 fixed connection. Through the universal joint 31 of a plurality of series connections for first connecting rod group 1 and second connecting rod group 2 can rotate at 360 degrees scopes, convenient operation, and measurement of efficiency is high.

Referring to fig. 2, the connecting member 3 in the embodiment of the present application includes two serially connected universal joints 31, each of which includes a connecting body 311 and two connecting portions 312, the two connecting portions 312 are hinged at both ends of the connecting body 311, each of the connecting portions 312 is hinged to the connecting body 311 by a cross 313, and the cross 313 includes a first hinge 3131 and a second hinge 3132 which are oriented at 90 ° with respect to each other.

The second linkage 2 can include a second connecting rod 21 or a plurality of second connecting rods 21, if the second linkage 2 includes a second connecting rod 21, then the hoisting device can only send the equipment to be hoisted to the work site of certain depth, can't satisfy the use needs of different depth work sites. Therefore, in order to satisfy the hoist and mount needs of hoist device to different degree of depth workplace, second linkage 2 includes a plurality of second connecting rods 21 in this application embodiment, and a plurality of second connecting rods 21 can be dismantled from beginning to end and link together, and the one end and the connecting piece 3 of second linkage 2 are connected, and the other end is used for being connected with measuring device 6. The hoisting operation can be carried out on the work sites with different depths by changing the number of the second connecting rods 21.

Can dismantle connected mode such as threaded connection, spline connection, trip connection between two adjacent second connecting rods 21 and connect, for the convenience of the dismantlement and the installation of a plurality of second connecting rods 21, improve the reliability of connecting between two adjacent second connecting rods 21 simultaneously, pass through threaded connection between two adjacent second connecting rods 21 in this application embodiment.

In order to screw the two adjacent second links 21, an internal thread 2121 may be provided at one end of each of the second links 21, an external thread 2131 may be provided at the other end, and the two adjacent second links 21 may be screwed together by the external thread 2131 and the internal thread 2121. For convenience of production and manufacture, referring to fig. 3 and 4, in the embodiment of the present application, the second link 21 includes a link body 211, an upper connector 212 and a lower connector 213, the upper connector 212 and the lower connector 213 are respectively located at two ends of the second link 21, an internal thread 2121 is provided inside the upper connector 212, an external thread 2131 is provided outside the lower connector 213, and the two adjacent second links 21 are screwed by extending the lower connector 213 of one of the two adjacent second links 21 into the upper connector 212 of the other second link 21 and by matching the external thread 2131 with the internal thread 2121.

The lower connector 213 and the second link 21 may be fixedly connected or rotatably connected. If lower connector 213 and second connecting rod 21 fixed connection, then when carrying out threaded connection with two adjacent second connecting rods 21, need rotate whole second connecting rod 21, rotate hard, influence connection efficiency, and to the narrow and small place in space, it is inconvenient to rotate.

Therefore, referring to fig. 3 and 4, in each second link 21 in the embodiment of the present application, the lower connection head 213 is rotatably connected to the link body 211, and a central axis direction of the rotatable connection of the lower connection head 213 to the link body 211 coincides with an extending direction of the second link 21. The connection of two adjacent second connecting rods 21 can be realized through the rotation of the lower connecting head 213, the rotation is convenient, especially in a narrow and small space, the connection is not limited, and the connection efficiency is high.

Specifically, an annular groove 2111 is formed in one end, connected with the lower connector 213, of the connecting rod body 211, the axial direction of the annular groove 2111 is consistent with the extending direction of the connecting rod body 211, an annular protrusion 2132 is arranged in the lower connector 213, and the protrusion 2132 extends into the groove 2111 to be matched with the groove 2111, so that the connecting rod body 211 is rotatably connected with the lower connector 213.

In order to reduce the overall weight of the hoisting device and the load of the power mechanism, the connecting rod body 211 in the embodiment of the application adopts a hollow structure.

The second end of the lower connector 213 may be cylindrical, tapered, etc., as long as it can be engaged with the internal threads 2121 of the upper connector. Because in the environment of inconvenient manual operation such as hot room, the connection of two adjacent second connecting rods 21 needs to be accomplished with the help of robotic arm, if the second end of connector 213 is the cylinder down, then be difficult for the alignment between two adjacent second connecting rods 21, reduced connection efficiency.

Therefore, referring to fig. 3, the second end of the lower connector 213 in the embodiment of the present application is a tapered structure. So that the lower connector 213 of one of the two adjacent second connecting rods 21 and the upper connector 212 of the other one can be automatically aligned, and conveniently extend into the threaded hole of the upper connector 212 of the other one.

In order to facilitate the connection of two adjacent second connecting rods 21 by a robot arm in an environment where manual operation is inconvenient, such as a hot room, and no friction force exists between the robot arm and the connecting heads, therefore, in order to facilitate the robot arm to rotate the lower connecting head 213 to be in threaded connection with the upper connecting head 212, referring to fig. 3, in the embodiment of the present application, a rotating handle 2133 is disposed at a radially outer portion of the lower connecting head 213, an extending direction of the rotating handle 2133 forms an included angle with an extending direction of the connecting head, and the rotating handle 2133 is clamped and rotated by the robot arm, so that the lower connecting head 213 rotates relative to the connecting rod body 211. Meanwhile, in order to prevent the robot arm from slipping off the stem 2133, a limiting ball 2134 is further provided at an end of the stem 2133, and the limiting ball 2134 protrudes out of the outer contour of the stem 2133 in the radial direction.

One or more rotation handles 2133 may be provided, and if one rotation handle 2133 is provided, the robot arm can only hold and rotate the rotation handle 2133 from a specific angle, which is inconvenient to operate. Therefore, in order to facilitate the robot arm to rotate the lower connecting head 213 from different angles, in the embodiment of the present application, a plurality of rotating handles 2133 are disposed at intervals in the circumferential direction of the connecting head.

In order to prevent the second link 21, which is not fixed, from rotating when the lower rotary joint 213 connects two adjacent second links 21, which affects the connection efficiency, referring to fig. 4, in the embodiment of the present invention, the outer contour of the upper joint 212 has a profile 2122, and the robot arm holds the profile to prevent the upper joint 212 and the connection body from rotating along the axis.

In order to prevent the robot arm from slipping off the molding surface 2122, a second stopper 21221 is further disposed on the molding surface 2122, the second stopper 21221 protrudes from the radial outer contour of the molding surface 2122, and in order to prevent the robot arm from slipping off when the robot arm is clamped from both longitudinal and transverse angles, the second stoppers 21221 are disposed at two ends of each side of the molding surface 2122 parallel to the second link 21.

The first link group 1 may include one first link 11 or a plurality of first links 11, and if the first link group 1 includes one first link 11, it can be used only for a work site with a certain length in the horizontal direction, and cannot be used for work sites with different lengths in the horizontal direction. Therefore, in order to accommodate different lengths in the horizontal direction, referring to fig. 6, the first link group 1 in the embodiment of the present application includes a plurality of first links 11 rigidly connected together. A plurality of first connecting rods 11 can be dismantled and connect, can connect according to different length, and application scope is wide.

In order to improve the operation stability between the power mechanism and the first link group 1, in the embodiment of the present application, an anti-slip clamp handle 111 is disposed at one end of the first link group 1 away from the connecting member 3, and the anti-slip clamp handle 111 is clamped by the power mechanism to lift the first link group 1. Because there is no friction between the power mechanism and the first link assembly 1, in order to prevent slipping during clamping, a limit block 112 is disposed at one end of the first link assembly 1 away from the connecting member 3.

Anti-skidding clamp holder 111 is the cuboid, all is equipped with the first stopper 112 that is used for preventing power unit slippage on every edge of cuboid, and first stopper 112 bulges anti-skidding clamp holder 111 radial outline, in order to make power unit can follow vertical and horizontal two angles when carrying out the centre gripping, all can not take place the slippage, and stopper 112 sets up the both ends on every limit of cuboid.

Second linkage 2 and measuring device 6 can flexible connection, also can rigid connection, for making measuring device 6 can be stable when hoisting not rock, still including the holder 4 that is used for centre gripping measuring device 6 in this application embodiment, the one end that second linkage 2 kept away from connecting piece 3 is passed through holder 4 and is connected with measuring device 6, carries out rigid connection to measuring device 6 through holder 4.

Referring to fig. 1 and 6, the measuring device 6 includes a measuring body 61, the measuring body 61 is a cylinder, one end of the measuring body 61 is provided with a measuring clamp holder 62 along an axial direction, one end of the measuring clamp holder 62 away from the measuring body 61 is provided with a cover plate 63, and the cover plate 63 protrudes out of a radial outer contour of the measuring clamp holder 62. The clamping piece 4 comprises symmetrically arranged clamping plates 41, and the clamping piece 4 clamps the measuring clamp handle 62 by clamping the clamping plates 41 on two sides of the measuring clamp handle 62.

Because measuring device 6 is great in weight, in order to alleviate power unit's power consumption, refer to fig. 1 and 5, second linkage 2 fixedly connected with loading board 5 in this application embodiment, loading board 5 is along the radial extension of second linkage 2 extending direction, the width of loading board 5 on its extending direction is greater than the opening width of the volume of awaiting measuring container for the both ends of loading board 5 can overlap joint on the opening of the volume of awaiting measuring container, measuring device 6 hangs can carry out accurate measurement to the dust content in the furnace, loading board 5 overlap joint has alleviateed power unit's heavy burden at the furnace mouth simultaneously.

The bearing plate 5 is a U-shaped structure, two ends of the U-shaped structure extend out of the flange 52 along the radial direction of the extending direction of the second connecting rod group 2, and the bearing plate 5 is lapped on the hearth opening by using the flange 52.

Clamping member 4 can with second linkage 2 direct fixed connection, also can be through loading board 5 and second linkage 2 direct fixed connection, for the convenience of connecting, loading board 5 fixed connection in this application embodiment keeps away from the one end of connecting piece 3 at second linkage 2, clamping member 4 is located one side that second linkage 2 was kept away from to loading board 5, clamping member 4 passes through loading board 5 and second linkage 2 fixed connection.

Specifically, referring to fig. 5, a threaded post 53 is disposed on a side of the bearing plate 5 connected to the second linkage 2 and is engaged with the external thread 2131 of the second end of the lower connector 213, and the second end of the lower connector 213 extends into the threaded post 53 and is threadedly connected to the bearing plate 5.

Bearing plate 5 can be with 4 lug connection of holder, also can connect through other structures, and bearing plate 5 still includes support frame 51 in the embodiment of this application, and support frame 51 fixes in one side that second linkage 2 was kept away from to bearing plate 5, and the symmetry sets up in the both sides of second linkage 2 extending direction, and holder 4 passes through support piece and bearing plate 5 fixed connection.

The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments. The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims

1. A lifting device, comprising:

the first connecting rod group is used for being hoisted by a power mechanism at one end;

one end of the second connecting rod group is used for being connected with the measuring device;

and one end of the first connecting rod group, which is far away from the power mechanism, and one end of the second connecting rod group, which is far away from the measuring device, are movably connected through the connecting piece, so that a certain included angle is formed between the extending direction of the first connecting rod group and the extending direction of the second connecting rod group.

2. The hoisting device of claim 1, wherein the end of the first linkage remote from the power mechanism and the end of the second linkage remote from the measuring device are rotatably connected by the connecting member.

3. The hoisting device of claim 2 wherein the connecting member is a universal joint, one end of the universal joint being fixedly connected to the first linkage and the other end being fixedly connected to the second linkage.

4. The hoisting device of claim 2 wherein the connecting member comprises a plurality of serially connected universal joints, the first ends of the plurality of serially connected universal joints being fixedly connected to the first linkage and the tail ends of the plurality of serially connected universal joints being fixedly connected to the second linkage.

5. The hoisting device as recited in claim 1, wherein the second linkage comprises a plurality of second connecting rods, the second connecting rods are detachably connected end to end, one end of the second linkage is connected with the connecting piece, and the other end of the second linkage is used for being connected with a measuring device.

6. The hoisting device of claim 5, wherein two adjacent second connecting rods are connected through screw threads.

7. The hoisting device as recited in claim 6, wherein the second connecting rod comprises a connecting rod body, an upper connector and a lower connector, the upper connector and the lower connector are respectively positioned at two ends of the second connecting rod, the inner part of the upper connector is provided with an internal thread, the outer part of the lower connector is provided with an external thread, two adjacent connectors are arranged in the second connecting rod, the lower connector of one of the second connecting rod extends into the upper connector of the other second connecting rod, and the external thread is matched with the internal thread so as to connect the two adjacent second connecting rods in a threaded manner.

8. The hoisting device as recited in claim 7, wherein in each of the second connecting rods, the lower connecting head is rotatably connected to the connecting rod body, and a central axis direction of the rotatable connection of the lower connecting head to the connecting rod body is consistent with an extending direction of the second connecting rod.

9. The lifting device as recited in claim 7, wherein the second end of the lower connector is tapered.

10. The hoisting device as recited in claim 7, wherein a rotation handle is disposed radially outside the lower connector, an extending direction of the rotation handle forms an included angle with an extending direction of the connector, and the rotation handle is used for being operated by a mechanical arm to rotate the lower connector relative to the connecting rod body.

11. The hoisting device of claim 10 wherein the number of the rotation handles is plural, and the plural rotation handles are circumferentially spaced along the lower connecting head.

12. Hoisting device as claimed in claim 7, characterized in that the outer contour of the upper connection head has a profile for being gripped by a robot arm for preventing rotation of the upper connection head and the connection body along an axis.

13. The hoisting device of claim 1, wherein the first link group comprises a plurality of first links rigidly connected end to end, and one end of the first link group is connected to the connecting member and the other end is used for being hoisted by a power mechanism.

14. The hoisting device of claim 13 wherein the first set of connecting rods is provided with a cleat handle at an end thereof remote from the connecting member, the cleat handle being adapted to be gripped by a power mechanism.

15. The hoisting device of any one of claims 1-14, further comprising a clamping member, wherein an end of the second linkage remote from the connecting member is connected to the measuring device via the clamping member, and the clamping member is used for clamping the measuring device.

16. The hoisting device of claim 15, wherein the second linkage is fixedly connected with a bearing plate, the bearing plate extends along a radial direction of an extending direction of the second linkage, a width of the bearing plate in the extending direction is larger than a width of an opening of the container to be measured, and two ends of the bearing plate are used for being lapped on the opening of the container to be measured.

17. The hoisting device of claim 16 wherein the carrier plate is fixedly attached to an end of the second linkage remote from the connector, the clamp is located on a side of the carrier plate remote from the second linkage, and the clamp is fixedly attached to the second linkage through the carrier plate.

18. The hoisting device of claim 16 wherein the carrier plate further comprises a support bracket secured to a side of the carrier plate remote from the second linkage, the clamp being fixedly attached to the carrier plate by the support member.