阅读说明：本技术 一种转运车的定位机构及其应用 (Positioning mechanism of transfer trolley and application thereof ) 是由 刘继广 梁培培 吴天宇 赵小文 李同飞 于 2021-08-26 设计创作，主要内容包括：本发明公开了一种转运车的定位机构及其应用,其包括：机架；伸缩组件,连接在所述机架上；定位块,连接在所述伸缩组件的输出端；定位销,是允许和所述定位块进行卡接,以及引导结构,是位于所述定位块和所述定位销之间,且所述引导结构是允许所述定位块和所述定位销之间进行定向移动。本发明可以改善转运车在定位过程中的定位精度,以提高定位效果。(The invention discloses a positioning mechanism of a transfer trolley and application thereof, comprising: a frame; the telescopic assembly is connected to the rack; the positioning block is connected to the output end of the telescopic assembly; the positioning block is provided with a positioning pin which is allowed to be clamped with the positioning block, and the guide structure is positioned between the positioning block and the positioning pin and is allowed to move directionally. The invention can improve the positioning precision of the transfer trolley in the positioning process so as to improve the positioning effect.)

1. A positioning mechanism for a transfer vehicle, comprising:

a frame;

the telescopic assembly is connected to the rack;

the positioning block is connected to the output end of the telescopic assembly;

a positioning pin allowing clamping with the positioning block, and

and the guide structure is positioned between the positioning block and the positioning pin and allows the positioning block and the positioning pin to perform directional movement.

2. The positioning mechanism for a transfer cart of claim 1, wherein said frame comprises a cylinder, a connecting plate and a backing plate, said connecting plate having a kidney-shaped hole.

3. The positioning mechanism for a transfer trolley according to claim 2, wherein said cylinder comprises a flange and a cylinder, said flange is fixedly connected to said connecting plate, and said cylinder is provided with a through hole.

4. The positioning mechanism for a transfer car as defined in claim 3, wherein said telescoping assembly includes a drive member and a drive member, said drive member being connected to an output end of said drive member.

5. The positioning mechanism for a transfer car (buggy) of claim 4, wherein said drive member comprises an electromagnetic assembly comprising an electromagnet, a base plate, an iron core and a push rod, wherein said base plate is connected to said frame.

6. The positioning mechanism for a trolley according to claim 4, wherein said transmission member comprises a lifting post, said lifting post is slidably connected to said through hole, and said lifting post is allowed to be connected to said positioning block.

7. The positioning mechanism for a transfer car (buggy) of claim 6, further comprising a reset member, said reset member being positioned between said lifting column and the frame.

8. The positioning mechanism for a transfer car (buggy) according to claim 1, further comprising a recess and a projection, said recess being located on said positioning block and said projection being located on said positioning pin.

9. The positioning mechanism for a transfer vehicle of claim 8, wherein the abutment surface between said recess and said projection is shaped as a conical surface.

10. A transfer car (buggy), characterized in that it comprises:

a vehicle body; and

a positioning mechanism, the positioning mechanism comprising:

a frame;

the telescopic assembly is connected to the rack;

the positioning block is connected to the output end of the telescopic assembly;

a positioning pin allowing clamping with the positioning block, and

and the guide structure is positioned between the positioning block and the positioning pin and allows the positioning block and the positioning pin to perform directional movement.

Technical Field

The invention belongs to the technical field of positioning, and particularly relates to a positioning mechanism of a transfer trolley and application thereof.

Background

In the production process, the transfer trolley is difficult to accurately reach a specified position when being stopped, or after the transfer trolley is accurately positioned, external force for preventing transverse movement is required, so that the transfer trolley needs to be horizontally positioned and stopped.

The traditional positioning mechanism is provided with a hydraulic or pneumatic mechanism, and has the defects of complex composition, higher cost, larger-size pipelines, accessories and drag chains, high maintenance and maintenance cost, inconvenient carrying of a transfer trolley and the like.

Disclosure of Invention

The invention aims to provide a positioning mechanism of a transfer trolley, which solves the problems of complexity, high cost, low positioning precision and low reliability of the positioning mechanism of the existing transfer trolley.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention provides a positioning mechanism of a transfer trolley, which comprises:

a frame;

the telescopic assembly is connected to the rack;

the positioning block is connected to the output end of the telescopic assembly;

a positioning pin allowing clamping with the positioning block, and

and the guide structure is positioned between the positioning block and the positioning pin and allows the positioning block and the positioning pin to perform directional movement.

In one embodiment of the invention, the frame comprises a cylinder body, a connecting plate and a backing plate, wherein a waist-shaped hole is formed in the connecting plate.

In one embodiment of the invention, the cylinder body comprises a flange and a cylinder, the flange is fixedly connected with the connecting plate, and a through hole is formed in the cylinder.

In one embodiment of the present invention, the telescopic assembly comprises a driving member and a transmission member, wherein the transmission member is connected to the output end of the driving member.

In one embodiment of the invention, the driving member comprises an electromagnetic assembly, and the electromagnetic assembly comprises an electromagnet, a bottom plate, an iron core and a push rod, wherein the bottom plate is connected with the frame.

In an embodiment of the present invention, the transmission member includes a lifting column, the lifting column is slidably connected to the through hole, and the lifting column is allowed to be connected to the positioning block.

In one embodiment of the invention, the lifting column further comprises a reset piece, and the reset piece is positioned between the lifting column and the machine frame.

In one embodiment of the invention, the positioning device further comprises a groove and a protrusion, wherein the groove is located on the positioning block, and the protrusion is located on the positioning pin.

In one embodiment of the invention, the shape of the interface between the recess and the projection is a conical surface.

The invention also provides a transfer vehicle comprising:

a vehicle body; and

a positioning mechanism, the positioning mechanism comprising:

a frame;

the telescopic assembly is connected to the rack;

the positioning block is connected to the output end of the telescopic assembly;

a positioning pin allowing clamping with the positioning block, and

and the guide structure is positioned between the positioning block and the positioning pin and allows the positioning block and the positioning pin to perform directional movement.

The invention provides a positioning mechanism of a transfer trolley, which pushes a positioning block on a lifting column to move through an electromagnetic assembly, so that a first conical surface in the positioning block is contacted with a second conical surface outside a positioning pin on the ground. The first conical surface and the second conical surface generate a transverse acting force in the contact process, so that the transfer trolley is driven to move by the transverse acting force. When the electromagnetic assembly reaches the stroke, the positioning block clamps the positioning pin on the ground, so that the transfer trolley reaches the positioning and stops. The transfer trolley is positioned by the positioning mechanism, so that the positioning precision is high, the control is easy, and the safety and the reliability are high.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic structural view of a positioning mechanism of a transfer vehicle according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of view a in fig. 1.

Fig. 3 is an enlarged schematic view of view B in fig. 1.

Fig. 4 is a schematic view of a portion of the telescoping assembly of the positioning mechanism of a transfer vehicle according to one embodiment of the present invention.

Fig. 5 is a schematic view of an installation structure of a positioning mechanism of a transfer vehicle according to an embodiment of the present invention.

Fig. 6 is an enlarged structure diagram of the view C in fig. 5.

Fig. 7 is a schematic structural view of the positioning block and the positioning pin in a partially clamped state in the view C in fig. 5.

Fig. 8 is a schematic structural view of the positioning block and the positioning pin in a completely engaged state in the view C in fig. 5.

Fig. 9 is a schematic view of another mounting structure of a positioning mechanism of a transfer vehicle according to an embodiment of the present invention.

Fig. 10 is a structural view of the enlarged structure of view D in fig. 9.

Fig. 11 is a schematic view of a positioning mechanism of a transfer vehicle according to an embodiment of the present invention.

Fig. 12 is a schematic view of another embodiment of a positioning mechanism for a transfer vehicle according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a telescopic assembly; 101-a positioning block; 102-countersunk head screws; 103-a lifting column; 104-a pressure spring; 105-a baffle ring; 106-flange through cover; 107-circlip for shaft; 108-flat bond; 2-a frame; 201-kidney shaped hole; 202-a backing plate; 203-connecting plate; 204-a cushion; 205-a cylinder; 2051-cylinder; 2052-flange; 2053-limiting groove; 2054-limit step; 3-an electromagnetic assembly; 301-a base plate; 302-iron core; 303-a push rod; 4-a stud; 5-a threaded sleeve; 6-positioning pins; 7-a transmission shaft; 8-a first conical surface; 9-a second conical surface; 11-a transfer trolley; 12-guiding structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to enable the transfer trolley 11 to be accurately positioned and easily controlled in the production process, the invention provides a positioning mechanism of the transfer trolley.

Referring to fig. 1 and 5, the positioning mechanism of the transfer trolley 11 may include a positioning block 101 and a positioning pin 6, and the positioning pin 6 and the positioning block 101 are allowed to be clamped. Therefore, the positioning block 101 and the positioning pin 6 can be engaged with each other, so that the positioning block 101 and the positioning pin 6 are in a relatively fixed state. Wherein, a guiding structure 12 is allowed to be arranged between the positioning block 101 and the positioning pin 6, and a guiding path is formed between the positioning block 101 and the positioning pin 6 by the guiding structure 12. Specifically, during the actual clamping process of the positioning block 101 and the positioning pin 6, the guiding structure 12 allows the positioning block 101 or the positioning pin 6 to move along the guiding path. The positioning block 101 and the positioning pin 6 may not be limited to specific installation positions, for example, the positioning block 101 is installed on the trolley 11 and the positioning pin 6 is installed on the ground, or the positioning block 101 is installed on the ground and the positioning pin 6 is installed on the trolley 11.

Referring to fig. 1 and 5, in some embodiments, the locating block 101 is attached to the trolley 11 and the locating pin 6 is mounted to the ground. Therefore, the positioning block 101 and the positioning pin 6 are clamped, so that the transfer trolley 11 can be accurately positioned. Specifically, in this embodiment, the transfer trolley 11 is further connected to the telescopic assembly 1, and the positioning block 101 is connected to an output end of the telescopic assembly 1. Therefore, after the transfer trolley 11 reaches the designated position, the position of the positioning block 101 can be adjusted through the telescopic assembly 1, so that the positioning block 101 is clamped with the positioning pin 6. The connection mode between the telescopic assembly 1 and the transfer trolley 11 is not limited to a specific structure, and in this embodiment, the telescopic assembly 1 can be connected to the transfer trolley 11 through the frame 2.

Referring to fig. 1 and 2, in some embodiments, the frame 2 may include a cylinder 205, a connection plate 203, and a backing plate 202. Wherein the backing plate 202 can be connected with the transfer trolley 11 by welding to improve the connection strength between the frame 2 and the transfer trolley 11. Specifically, a threaded hole is formed in the backing plate 202, a waist-shaped hole 201 is formed in the connecting plate 203, and the positions of the waist-shaped hole 201 and the threaded hole are allowed to be correspondingly arranged. Therefore, the relative position between the connecting plate 203 and the backing plate 202 can be slightly adjusted through the kidney-shaped hole 201 on the connecting plate 203, and the butting precision between the positioning block 101 and the positioning pin 6 can be further improved. Further, at least two threaded holes are formed in the backing plate 202, the stud bolts 4 are connected to the threaded holes in an internal thread mode, and the other ends of the stud bolts 4 are connected to the cylinder 205. Further, the cylinder 205 may include a flange 2052 and a cylinder 2051, the cylinder 2051 is provided with a through hole, and the flange 2052 is connected to the other end of the stud 4. The flange 2052 is provided with a through hole, the other end of the stud bolt 4 passes through the through hole, and a nut is connected to the end of the stud bolt 4 through a thread. A plurality of threaded sleeves 5 are also allowed to be sleeved on the stud 4, one end of each threaded sleeve 5 abuts against the connecting plate 203, and the other end of each threaded sleeve 5 abuts against the flange 2052. Thus, the web 203, the cylinder 205, and the backing plate 202 are held in a relatively fixed position by tightening the nuts on the studs 4.

Referring to fig. 1 and 2, in some embodiments, the telescopic assembly 1 may include a driving member and a transmission member. The driving member may not be limited to a specific mechanism, and in the present embodiment, the driving member may include the electromagnetic assembly 3. The electromagnetic assembly 3 is connected to the frame 2, and the electromagnetic assembly 3 is allowed to include an electromagnet, a bottom plate 301, an iron core 302 and a push rod 303. The electromagnet is fixedly connected to the bottom plate 301, and the iron core 302 is slidably connected to the electromagnet, so that the iron core 302 can be driven to slide relative to the electromagnet by the electromagnet. The push rod 303 is fixedly connected with the iron core 302, so that the push rod 303 and the iron core 302 can move synchronously. The bottom plate 301 is fixedly connected to the frame 2, so that the driving member is connected to the frame 2. In particular, since the frame 2 is provided with a plurality of threaded sleeves 5, in the present embodiment, the bottom plate 301 allows connection between two threaded sleeves 5. The studs 4 on the bracket are allowed to pass through them, for example by providing through holes in the base plate 301. During the actual connection, the bottom plate 301 is clamped between the two threaded sleeves 5, so that a fixed connection between the drive element and the frame 2 is achieved.

Further, the transmission member may include a lifting column 103, and the lifting column 103 is connected to the cylinder 2051. The lifting column 103 is connected with the through hole in a sliding fit manner, and the tail end of the lifting column 103 is allowed to be fixedly connected with the positioning block 101. Specifically, the positioning block 101 and the lifting column 103 may not be limited to a specific connection manner. In this embodiment, a threaded hole is formed in an end portion of the lifting column 103, and a through hole is formed in the positioning block 101. A countersunk screw 102 is threaded through the through-hole to the threaded hole to fixedly connect the positioning block 101 and the lifting column 103. Therefore, the electromagnetic assembly 3 fixed on the frame 2 can generate an electromagnetic thrust, and drive the push rod 303 to push the lifting column 103 and the positioning block 101 to move. The positioning block 101 can be clamped with the positioning pin 6 in the moving process so as to realize the positioning and the stopping of the transfer trolley 11. In particular, in some embodiments, a flat key 108 is also allowed on the sidewall of the lifting column 103. The barrel 2051 is allowed to have a keyway and the flat key 108 is slidably received in the keyway. Thus, by a positive connection between the flat key 108 and the keyway, rotation of the lift post 103 relative to the cylinder 2051 is prevented. Meanwhile, a cushion 204 is allowed to be connected to the end of the cylinder 2051, and the cushion 204 is located between the cylinder 2051 and the positioning block 101. Therefore, the impact between the positioning block 101 and the cylinder 2051 can be effectively reduced by the cushion 204, so as to improve the use effect.

Referring to fig. 2, in some embodiments, a limiting groove 2053 is allowed to be formed in the cylinder 2051, and the limiting groove 2053 is communicated with the through hole. The movable range of the positioning block 101 is located in the limiting groove 2053, and the positioning block 101 is connected with the cylinder 2051 in a sliding fit manner. Therefore, during the docking process of the positioning block 101 and the positioning pin 6, the cylinder 2051 can provide a certain lateral supporting force for the positioning block 101 to improve the lateral bearing capacity of the positioning block 101.

Referring to fig. 2, in some embodiments, a position of the connection between the limiting groove 2053 and the through hole is allowed to be provided with a limiting step 2054, and the position of the positioning block 101 can be limited by the limiting step 2054, so as to prevent the limiting block 101 from separating from the barrel 2051. In some embodiments, a cushion 204 is allowed to be connected to the limiting step 2054, and the impact between the positioning block 101 and the limiting step 2054 can be effectively reduced by the cushion 204, so as to improve the use effect.

Referring to fig. 1 and 3, in some embodiments, a reset member is allowed between the lifting column 103 and the frame 2. After the electromagnetic assembly 3 is powered off, the lifting column 103 can be driven to move through the resetting piece, and the positioning block 101 and the positioning pin 6 are driven to be rapidly separated. Further, the reset member may not limit the specific structure thereof, and in this embodiment, the reset member may include a compression spring 104 and a limiting component. The pressure spring 104 is sleeved on the lifting column 103, and the limiting component is connected to the lifting column 103. Specifically, one end of the pressure spring 104 abuts against the limiting component, and the other end of the pressure spring 104 abuts against the cylinder 2051. Therefore, the electromagnetic assembly 3 is powered on and generates electromagnetic thrust, and the lifting column 103 and the positioning block 101 are pushed to move by the electromagnetic thrust driving push rod 303, so that the positioning block 101 and the positioning pin 6 are clamped. In a state where the positioning block 101 and the positioning pin 6 are engaged with each other, the pressing spring 104 is in a compressed state. When the electromagnetic assembly 3 is powered off, the electromagnetic thrust of the electromagnetic assembly 3 disappears, and therefore the lifting column 103 can be quickly reset under the action of the elastic force of the pressure spring 104.

Referring to fig. 3 and 4, in some embodiments, the retainer assembly may include a plurality of retaining rings 105, a flange transparent cover 106, and a shaft circlip 107. The shaft circlip 107 is clamped to the lifting column 103 and is located at one end far away from the positioning block 101. The flange cover 106 is positioned inside the shaft circlip 107, and the flange cover 106 is fixedly connected to the lift column 103. Meanwhile, the flange transparent cover 106 is allowed to be fixedly connected with the baffle ring 105, and two sets of the baffle rings 105 are allowed to be arranged. Therefore, in the actual use process, the compression spring 104 can be firstly sleeved on the lifting column 103, and the retaining ring 105 is arranged at the tail end of the compression spring 104. The flange cover 106 is then placed over the lifting column 103 and the flange cover 106 is pressed against the stop ring 105. Finally the shaft is snapped onto the lifting column 103 with a circlip 107 to provide support for the flange through cover 106. Therefore, the pressure spring 104 can be used for preventing the lifting column 103 from being pushed out of the machine frame 2 under the action of electromagnetic thrust besides providing a reset power for the lifting column 103.

Referring to fig. 5-8, in some embodiments, the locating pin 6 is fixedly attached to the ground. The guiding structure 12 may not be limited to the specific structure, for example, in the present embodiment, the positioning block 101 is allowed to have a notch, and the inner wall of the notch may be allowed to be the first conical surface 8. The positioning pin 6 is allowed to be provided with a protrusion, and the side wall of the protrusion is allowed to be a second conical surface 9. Specifically, the vertex angle values of the first conical surface 8 and the second conical surface 9 are consistent, and the first conical surface 8 and the second conical surface 9 are allowed to be tightly attached. Therefore, when the first conical surface 8 and the second conical surface 9 are in a close fit state, the positioning block 101 and the positioning pin 6 are in a relatively fixed state. Since the contact manner between the first conical surface 8 and the second conical surface 9 is line contact, the direction of the contact line between the first conical surface 8 and the second conical surface 9 can be characterized as the guide path of the guide structure 12. Specifically, under the continuous thrust action of the telescopic assembly 1, the positioning block 101 is directionally moved along the direction of the contact line until the first conical surface 8 and the second conical surface 9 are in a close fit state. Because the positioning pin 6 is fixedly connected to the ground, the positioning pin 6 is kept fixed, and the positioning block 101 is clamped with the positioning pin 6 under the action of the telescopic assembly 1. Therefore, during the contact between the first conical surface 8 and the second conical surface 9, a transverse force is generated between the positioning block 101 and the positioning pin 6. Under the action of the transverse acting force, the positioning block 101 and the transfer trolley 11 can be driven to move synchronously, and then the transfer trolley 11 can be driven to reach the designated position.

Referring to fig. 9-12, in some embodiments, the positioning block 101 is adapted to be connected to the ground. For example, in the present embodiment, the supporting frame 2 is connected to the ground, and the positioning block 101 is allowed to be connected to the frame 2 through the telescopic assembly 1. Wherein, if the telescopic direction of the telescopic assembly 1 is vertical, there may be no resetting member between the lifting column 103 and the frame 2. Because the telescopic direction of the telescopic assembly 1 is vertical, the lifting column 103 can reset itself under the action of its own gravity. Furthermore, the transfer trolley 11 may not be provided with a positioning pin 6, and the positioning pin 6 can be replaced by a transmission shaft 7 of the transfer trolley 11. Specifically, a V-shaped notch is formed on the positioning block 101, and the side of the notch allows a cushion 204 to be connected, wherein the cushion 204 is made of a soft wear-resistant material. The side walls of the slot may be considered as a guide path for the guide structure 12 during positioning of the trolley 11. Specifically, when the transmission shaft 7 of the transfer trolley 11 is positioned in the range of the notch of the positioning block 101, the telescopic assembly 1 positioned on the frame 2 can be electrified and generate electromagnetic thrust. The positioning block 101 is pushed to move by electromagnetic thrust, so that the V-shaped notch of the positioning block 101 is tightly attached to the transmission shaft 7 of the transfer trolley 11. And the transmission shaft 7 is pushed to the central position of the positioning block 101 through the V-shaped notch, so that the positioning and the stopping of the transfer trolley 11 can be realized.

In summary, the positioning mechanism of the transfer vehicle 11 provided by the present invention uses the electromagnetic assembly to push the positioning block 101 to move, and the first conical surface 8 inside the positioning block 101 is in contact with the second conical surface 9 outside the positioning pin 6 on the ground. Since the first conical surface 8 and the second conical surface 9 generate a transverse force during the contact, the transfer trolley 11 is driven to move by the transverse force. When the electromagnetic assembly 3 reaches its stroke, the positioning block 101 locks the positioning pin 6 on the ground, so that the transfer trolley 11 reaches the positioning and stopping. Therefore, the transfer trolley 11 is high in positioning precision, easy to control, safe and reliable in the positioning process through the positioning mechanism.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.