CN217478895U

CN217478895U - Positioning mechanism, lifting appliance and aerated concrete production line

Info

Publication number: CN217478895U
Application number: CN202221438884.5U
Authority: CN
Inventors: 刘昌福; 黄勃; 唐修国
Original assignee: Hunan Sany Kuaierju Housing Industry Co Ltd
Current assignee: Hunan Sany Kuaierju Housing Industry Co Ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-09-23
Anticipated expiration: 2032-06-08

Abstract

The utility model provides a positioning mechanism, hoist and aerated concrete production line. The positioning mechanism includes: the swing arm is provided with a rotation center and a rotation free end; a positioning part arranged at the free end of rotation; and the driving mechanism is in transmission connection with the swing arm to drive the swing arm to rotate around the rotating center, so that the positioning part is matched and positioned with the positioning groove. The swing arm is driven to rotate around the rotation center through the driving mechanism, so that the positioning part connected to the rotation free end of the swing arm can rotate around the rotation center, and the purpose of accurate positioning can be achieved without guiding.

Description

Positioning mechanism, lifting appliance and aerated concrete production line

Technical Field

The utility model relates to a component production technical field, concretely relates to positioning mechanism, hoist and aerated concrete production line.

Background

The autoclaved aerated concrete slab is a novel lightweight porous green environment-friendly building material, the building material is prepared by taking cement, lime, silica sand and the like as main raw materials and adding different quantities of steel bar meshes subjected to corrosion prevention treatment according to the structural requirements, and has excellent performance of fire resistance, fire prevention, sound insulation, heat preservation and the like which are not comparable.

In the production process of an aerated concrete production line, a plurality of lifting appliances are applied to realize the transportation of green bodies, grinding tool cars, saddle frames and the like, the lifting appliances generally move by rolling of driving travelling wheels, and generally, when the lifting appliances start or stop, wheels easily slip and other reasons, the positioning accuracy of the lifting appliances cannot meet the production requirements, and the accurate positioning of the walking of the lifting appliances needs to be completed by means of positioning mechanisms.

In the related prior art, when the lifting appliance walks to the appointed station, the oil cylinder is started to enable the oil cylinder piston to extend out, the positioning column is driven to descend along the guide sleeve, and the positioning column is inserted into the positioning pit, so that the requirement of accurate positioning of the lifting appliance is met, however, the machining requirement of the guide sleeve is high, and the requirement of positioning accuracy is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the guide sleeve guiding orientation is required to process the precision height in the location among the prior art to a positioning mechanism, hoist and aerated concrete production line that rotational positioning need not the guide sleeve are provided.

In order to solve the above problem, the utility model provides a positioning mechanism, include: the swing arm is provided with a rotation center and a rotation free end; a positioning part arranged at the free end; and the driving mechanism is in transmission connection with the swing arm so as to drive the swing arm to rotate around the rotating center, so that the positioning part is matched and positioned with the positioning groove.

Optionally, the swing arm comprises: a connecting portion provided with the rotation center; the first support arm is connected with the connecting part; the second support arm is connected with the connecting part, and an included angle is formed between the second support arm and the first support arm; the free rotating end is arranged at one end, far away from the rotating center, of the second support arm.

Optionally, the drive mechanism comprises: a first fixed part which can rotate; the first linear motion part is in telescopic connection with the first fixed part; wherein, the one end that first cantilever is kept away from the center of rotation is connected with first straight line motion portion is rotated.

Optionally, the driving mechanism includes a second fixing portion and a second linear moving portion, the second linear moving portion is telescopically connected to the second fixing portion, and the positioning mechanism further includes a transmission mechanism, which is in transmission connection with the second linear moving portion; the end, far away from the rotation center, of the first support arm is connected with the transmission mechanism, so that the rotation free end of the second support arm rotates around the rotation center.

Optionally, the driving mechanism includes a rotary motion part, and the positioning mechanism further includes: a rotating wheel connected with the rotating motion part; wherein, the one end that first support arm kept away from the center of rotation is articulated with the runner.

Optionally, the driving mechanism includes a rotation moving portion, wherein the rotation center is disposed on the rotation shaft, the swing arm is fixedly connected to the rotation shaft, and the rotation moving portion is in transmission connection with the rotation shaft.

Optionally, the positioning part comprises a roller.

The utility model also provides a lifting appliance, include: a frame; according to the positioning mechanism, the driving mechanism and the swing arm of the positioning mechanism are respectively arranged on the rack.

The utility model also provides an aerated concrete production line, include: an operation station; the positioning block is arranged on the operation station and is provided with a positioning groove; according to the lifting appliance, the positioning part of the lifting appliance is matched with the positioning groove for positioning.

Optionally, the locating slot includes horn mouth and draw-in groove that communicate each other, the opening of horn mouth towards the traffic direction of location portion.

The utility model has the advantages of it is following:

1. utilize the technical scheme of the utility model, rotate around the center of rotation through actuating mechanism drive swing arm, make the location portion that is connected to the rotation free end of swing arm can rotate around the center of rotation, because the rotation free end of swing arm goes on around the center of rotation all the time at the pivoted in-process, the movement track of location portion does, use the distance at location portion to the center of rotation as radial circular arc, therefore, as long as the central point of center of rotation puts fixedly, the movement track of location portion is just certain, can reach the accurate positioning of location portion and constant head tank. And the positioning part is in the process of being matched and positioned with the positioning groove, the guide of the guide sleeve is omitted, and the purpose of accurate positioning can be achieved without guide.

2. Through setting up the first support arm and the second support arm that form the contained angle through setting up, when drive first support arm and revolve the rotation center, then the second support arm also rotates around the rotation center in step, consequently, can save moment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic front view of a positioning mechanism according to an embodiment of the present invention;

fig. 2 is a schematic front view of a positioning mechanism according to another embodiment of the present invention;

fig. 3 is a schematic front view of a positioning mechanism according to yet another embodiment of the present invention;

fig. 4 is a schematic front view of a positioning mechanism according to still another embodiment of the present invention;

fig. 5 is a schematic view of the matching relationship between the positioning groove and the positioning portion of the aerated concrete production line of the present invention.

Description of reference numerals:

100. a positioning mechanism; 110. swinging arms; 111. a center of rotation; 113. a first support arm; 115. a second support arm; 120. a positioning part; 130. a drive mechanism; 131. a first fixed part; 133. a first linear motion section; 132. a second fixed part; 134. a second linear motion section; 140. a transmission mechanism; 141. a rack; 143. rotating the gear ring; 150. a rotating wheel; 200. positioning a block; 210. positioning a groove; 211. a horn opening; 213. a card slot; alpha and an included angle.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Summary of the application

When an existing positioning mechanism works, when a lifting appliance walks to an appointed station, an oil cylinder is started to enable an oil cylinder piston to extend out, a positioning column is driven to move downwards along a guide sleeve, and the guide sleeve guides the downward movement of the positioning column. The left side and the right side of the lower end of the positioning column are respectively provided with a rolling bearing so as to be beneficial to the insertion of the positioning column into the positioning pit. Although the process of positioning can be made smoother by providing rolling bearings on both sides, the complexity of the structure increases.

This patent can realize hoist accurate positioning, but its structure uide bushing processing requires highly.

Exemplary positioning mechanism

As shown in fig. 1, the positioning mechanism 100 includes: the swing arm 110 is provided with a rotation center 111 and a rotation free end, the positioning portion 120 is arranged at the rotation free end, and the driving mechanism is in transmission connection with the swing arm 110 to drive the swing arm 110 to rotate around the rotation center 111 and enable the positioning portion 120 to be matched with the positioning groove 210 for positioning.

The free end of the swing arm 110 is defined as an end portion capable of rotating around the rotation center 111, and the driving mechanism is configured to drive the swing arm 110 to rotate around the rotation center 111, so that the free end of the swing arm 110 rotates around the rotation center 111, so that the positioning portion 120 connected to the free end of the swing arm 110 can rotate around the rotation center 111, and when the top portion rotates to a position where it is engaged with the positioning groove 210, the positioning portion 120 can be positioned. Since the free end of the swing arm 110 rotates around the rotation center 111 all the time, and the movement locus of the positioning portion 120 is an arc with the radius from the positioning portion 120 to the center of the rotation center 111, the movement locus of the positioning portion 120 is constant as long as the center position of the rotation center 111 is fixed, and the positioning portion 120 and the positioning groove 210 can be accurately positioned. In the process of the positioning portion 120 being matched and positioned with the positioning groove 210, the guiding of the guiding sleeve is omitted, that is, the purpose of accurate positioning can be achieved without guiding, and the structure of the positioning mechanism is simplified.

The positioning portion 120 includes a roller, and the roller rolls in the process of contacting the positioning groove 210, so that the clamping stagnation phenomenon between the positioning portion 120 and the positioning groove 210 can be avoided, and the stable positioning of the positioning portion 120 and the positioning groove 210 can be realized.

As shown in fig. 2, the swing arm 110 includes: a connecting part, a first supporting arm 113 and a second supporting arm 115, wherein the connecting part is provided with a rotating center 111; the first arm 113 is connected to the connecting portion, the second arm 115 is connected to the connecting portion, and an included angle α is formed between the second arm 115 and the first arm 113. Wherein the free end of rotation is provided at an end of the second arm 115 away from the center of rotation 111.

The first arm 113 may have a connecting portion at one end thereof, and the second arm 115 may have one end connected to the connecting portion. Or the second arm 115 may be provided with a connecting portion at one end, and the first arm 113 may be connected to the connecting portion at one end. The connecting portion may also be integrally formed with the first arm 113 and the second arm 115. The connecting portion is provided with a through hole, and the center of the through hole is a rotation center 111. The through hole may be rotated in synchronization with the rotation center 111, or the through hole may be rotatably connected to the rotation center 111, for example, by a bearing.

By arranging the first arm 113 and the second arm 115 forming the included angle α, when the first arm 113 is driven to rotate around the rotation center 111, the second arm 115 is also driven to rotate around the rotation center 111 synchronously, so that the moment can be saved. The angle α formed between the first arm 113 and the second arm 115 may be acute, right, or obtuse. Under the condition that the position of the positioning groove 210 is fixed, the greater the included angle α is, the shorter the operation route of the positioning portion 120 may be, and the more energy may be saved.

The driving mechanism comprises a first fixed part 131 and a first linear moving part 133, wherein the first fixed part 131 can rotate, and the first linear moving part 133 is telescopically connected with the first fixed part 131. Wherein, one end of the first arm 113 far away from the rotation center 111 is rotatably connected to the first linear motion part 133.

The driving mechanism may include a cylinder, an electric cylinder or other mechanism capable of achieving linear motion. The first fixing portion 131 is rotatable, and it can be understood that the first fixing portion 131 is rotatably connected to the frame, taking the oil cylinder as an example, the first fixing portion 131 includes a cylinder barrel of the oil cylinder, and the cylinder barrel is hinged to the frame, so that the rotation of the cylinder barrel can be realized. The first linear motion part 133 may include a telescopic rod. Because the motion trail of the end of the first support arm 113 far away from the rotation center 111 is the same as the circular arc, when the cylinder can rotate, and the first support arm 113 is rotationally connected with the telescopic rod, the driving mechanism can drive the swing arm 110 to rotate around the rotation center 111, the structure is simple, and the motion of the swing arm 110 is stable and reliable.

As shown in fig. 3, the driving mechanism includes a second fixing portion 132 and a second linear moving portion 134, the positioning mechanism further includes a transmission mechanism 140, the second linear moving portion 134 is telescopically connected to the second fixing portion 132, and the transmission mechanism 140 is in transmission connection with the second linear moving portion 134. The end of the first arm 113 away from the rotation center 111 is connected to the transmission mechanism 140, so that the free end of the second arm 115 rotates around the rotation center 111.

Likewise, the driving mechanism may include a pneumatic cylinder, an oil cylinder, an electric cylinder, or other mechanism capable of achieving linear motion. Also taking the oil cylinder as an example, the second fixing portion 132 includes a cylinder barrel of the oil cylinder, the cylinder barrel is fixedly connected with the rack, the second linear motion portion 134 may include an expansion link, the cylinder barrel is fixed, and only the expansion link can realize linear motion.

Considering that the swing arm 110 needs to rotate, the transmission mechanism 140 needs to convert the linear motion into the rotational motion, so that the positioning portion 120 connected to the free end of the second arm 115 can be positioned in cooperation with the positioning slot 210 during the rotation around the rotation center 111.

The transmission mechanism 140 may include: and a rack 141 and a rotating ring gear 143, the rack 141 being connected to the second linear motion part 134, the rotating ring gear 143 being engaged with the rack 141, wherein an end of the first arm 113 remote from the rotation center 111 is rotatably connected to the rotating ring gear 143.

The rack 141 is connected to the second linear motion part 134, so that the rack 141 can be synchronously moved with the second linear motion part 134, for example, the rack 141 and the second linear motion part 134 can be synchronously moved up or down. Since the rack 141 is engaged with the rotary ring gear 143, the rotary ring gear 143 can be driven to rotate during the linear movement of the rack 141. The rotating gear ring 143 may be provided with a hinge seat, and the hinge seat is connected to an end of the first arm 113 away from the rotation center 111, so that the rotation of the rotating gear ring 143 may drive the first arm 113 to rotate synchronously, and the second arm 115 rotates synchronously. As a preferred embodiment, the rotation ring gear 143 and the rotation center 111 may be disposed with the rotation center.

Of course, the rotary gear 143 may be replaced by a rotary gear, which will not be described herein.

As shown in fig. 4, the driving mechanism includes a rotational movement portion, and the positioning mechanism further includes: and a wheel 150, the wheel 150 being connected to the rotational motion part. Wherein, one end of the first arm 113 away from the rotation center 111 is hinged to the wheel 150.

The driving mechanism can comprise a motor, the rotating motion part can comprise a motor shaft of the motor, the rotating wheel 150 is provided with a wheel shaft, the wheel shaft is connected with the motor shaft through a coupler, the driving mechanism can also drive the rotating wheel 150 to rotate, the rotating wheel 150 can be provided with a hinged seat, and the hinged seat is hinged with one end, far away from the rotating center 111, of the first support arm 113, so that the rotating wheel 150 can drive the first support arm 113 to rotate synchronously, the flexibility of the first support arm 113 to rotate synchronously can be improved, and the second support arm 115 rotates synchronously. Of course, the end of the first arm 113 away from the rotation center 111 can also be fixedly connected to the wheel 150, and the first arm 13 and the wheel 150 can also be rotated synchronously, so that the second arm 115 can be rotated synchronously. In addition, as a preferred embodiment, the wheel 150 and the center of rotation 111 may be disposed with the center of rotation.

In addition, the rotating wheel 150 can be replaced by a belt pulley, and the belt pulley is driven to rotate by the belt transmission, so as to realize the arc-shaped movement of the positioning portion 120, which is not described herein again.

Further, as shown in fig. 1, the driving mechanism includes a rotating portion, wherein the rotating center 111 is disposed on the rotating shaft, the swing arm 110 is fixedly connected to the rotating shaft, and the rotating portion is in transmission connection with the rotating shaft, so that the rotating portion can directly drive the rotating portion to rotate. The drive mechanism may likewise comprise a motor, which is not described in detail here.

Exemplary Sling

This hoist includes: the frame and the positioning mechanism, the driving mechanism of the positioning mechanism and the swing arm 110 are respectively arranged on the frame. Because the lifting appliance comprises the positioning mechanism, the lifting appliance has the beneficial effects of the positioning mechanism, so that the lifting appliance can realize accurate positioning, the requirement on positioning accuracy is not high, and the positioning of the lifting appliance can be easily realized.

Of course, the lifting appliance also comprises a traveling mechanism, so that the lifting appliance can travel, and after the lifting appliance travels in place, the lifting appliance can be accurately positioned through the positioning mechanism.

Exemplary aerated concrete production line

This aerated concrete production line includes: the lifting tool comprises an operation station, a positioning block 200 and the lifting tool as described above, wherein the positioning block 200 is arranged on the operation station, the positioning block 200 is provided with a positioning groove 210, and the positioning part 120 of the lifting tool is matched with the positioning groove 210 for positioning.

The positioning block 200 is disposed on the operation station, and the positioning groove 210 is disposed in the positioning block 200, so that when the spreader moves to a position near the operation station, the positioning mechanism can be activated, and the positioning portion 120 and the positioning groove 210 are located in a matching manner. Because the movement track of the positioning portion 120 is arc-shaped, the opening of the positioning slot 210 is arranged on the movement track of the positioning fixture, when the positioning portion 120 moves into the positioning slot 210, and when a part of the structure of the positioning slot 210 is separated from the movement track, the positioning portion 120 is clamped into the positioning slot 210, so that the positioning of the positioning portion 120 in the positioning slot 210 can be realized, that is, the positioning of the spreader can be realized.

As shown in fig. 5, the positioning groove 210 includes a bell mouth and a catching groove 213 communicating with each other, and the bell mouth opens in the sliding direction of the positioning portion 120.

The positioning groove 210 includes a horn opening 211 and a slot 213, the horn opening 211 faces the sliding direction of the positioning portion 120, so that the positioning portion 120 can easily enter the positioning groove 210, and along with the continuous operation of the positioning portion 120, the positioning portion 120 enters the slot 213 with a smaller inner diameter, so that the slot 213 limits the positioning portion 120. In addition, when the positioning portion 120 is configured as a roller, the roller can roll into the slot 213 along the horn opening 211.

The positioning block 200 is a splayed horn mouth, and during positioning, the roller slides into the small mouth section through the opening section, and the swing of the roller is limited by the small mouth section to ensure the positioning accuracy.

The driving mechanism 130 and the swing arm 110 are respectively hinged with the hanger travelling crane main body, the positioning block 200 is fixed on an operation station, the swing arm 110 is hinged with the driving mechanism, under the pushing of the driving mechanism, the swing arm 110 rotates around the rotation center 111, and the roller is clamped into the opening section passing through the positioning block 200 and slides into the small opening section.

The end of the swing arm 110 is provided with a roller 120 for reducing friction between the swing arm 110 and the positioning block 200.

The above-mentioned rotation connection can be articulated, generally all realizes articulated connection structure form through setting up articulated seat, and the no longer repeated description here.

According to the above description, the present application has the following advantages:

1. the swing arm 110 is driven to rotate around the rotation center 110 by the driving mechanism 130, so that the positioning portion connected to the rotation free end of the swing arm 110 can rotate around the rotation center 111, and the positioning portion 120 can be positioned in cooperation with the positioning groove 210 without guiding of the guide sleeve, and accurate positioning can be realized.

2. By using the first arm 112 and the second arm 115 forming the angle α as the swing arm 110, the moment can be saved.

3. The free end of the swing arm 110 is provided with a roller, which can reduce the friction with the positioning block 200.

4. The structure of the positioning mechanism is simplified.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A positioning mechanism, comprising:

a swing arm (110) provided with a rotation center (111) and a rotation free end;

a positioning portion (120) provided at the free end;

the driving mechanism (130) is in transmission connection with the swing arm (110) to drive the swing arm (110) to rotate around the rotation center (111), so that the positioning part (120) is matched and positioned with the positioning groove (210).

2. The positioning mechanism according to claim 1, wherein the swing arm (110) comprises:

a connecting portion provided with the rotation center (111);

a first support arm (113) connected to the connection portion;

the second support arm (115) is connected with the connecting part, and an included angle (alpha) is formed between the second support arm (115) and the first support arm (113);

the free rotating end is arranged at one end, far away from the rotating center (111), of the second support arm (115).

3. The positioning mechanism according to claim 2, wherein the drive mechanism (130) comprises:

a first fixed part (131) which can rotate;

a first linear motion unit (133) telescopically connected to the first fixed unit (131);

wherein, one end of the first support arm (113) far away from the rotating center (111) is rotationally connected with the first linear motion part (133).

4. The positioning mechanism according to claim 2, wherein the driving mechanism (130) comprises a second fixed portion (132) and a second linear moving portion (134), the second linear moving portion (134) being telescopically connected to the second fixed portion (132), the positioning mechanism further comprising:

a transmission mechanism (140) in transmission connection with the second linear motion part (134);

wherein the end of the first arm (113) remote from the center of rotation (111) is connected to the transmission mechanism (140) such that the free end of the second arm (115) rotates about the center of rotation (111).

5. The positioning mechanism according to claim 2, wherein the drive mechanism (130) comprises a rotary motion portion, the positioning mechanism further comprising:

a rotary wheel (150) connected to the rotary motion part;

wherein, one end of the first support arm (113) far away from the rotation center (111) is hinged with the rotating wheel (150).

6. The positioning mechanism according to claim 1, wherein the driving mechanism (130) comprises a rotating portion, wherein the rotating center (111) is disposed on a rotating shaft, the swing arm (110) is fixedly connected to the rotating shaft, and the rotating portion is in transmission connection with the rotating shaft.

7. The positioning mechanism according to any one of claims 1 to 6, wherein the positioning portion (120) comprises a roller.

8. A spreader, comprising:

a frame;

the positioning mechanism (100) according to any one of claims 1 to 7, wherein the driving mechanism (130) and the swing arm (110) of the positioning mechanism (100) are respectively arranged on the machine frame.

9. An aerated concrete production line, comprising:

an operation station;

the positioning block (200) is arranged at the operation station, and the positioning block (200) is provided with a positioning groove (210);

the spreader according to claim 8, wherein the positioning portion (120) of the spreader cooperates with the positioning slot (210) for positioning.

10. Aerated concrete production line according to claim 9, wherein the positioning slot (210) comprises a bell (211) and a slot (213) communicating with each other, the bell (211) opening in the direction of travel of the positioning portion (120).