Pin positioning device and docking beam

Abstract

The present invention relates to the technical field of positioning devices, and provides a pin shaft positioning device and a docking beam. The pin shaft positioning device includes a pin shaft assembly and a latch seat assembly, wherein the pin shaft assembly includes a linear drive, a positioning seat and a pin shaft, wherein the output end of the linear drive is connected to the first end of the pin shaft, the pin shaft passes through the positioning seat and the second end can extend out of the positioning boss at the end of the positioning seat; the latch seat assembly includes a latch seat, and the latch seat includes a positioning groove adapted to the positioning boss and a pin shaft hole adapted to the pin shaft; the pin shaft assembly and / or the latch seat assembly move to position the positioning boss in the positioning groove, and the linear drive drives the pin shaft to be plugged into the pin shaft hole. The pin shaft positioning device and the docking beam of the present invention are convenient and accurate in positioning, and do not require top screw adjustment, thereby solving the problems of inconvenient operation, high manpower and time costs caused by top screw adjustment.

Description

Technical Field

[0001] The invention relates to the technical field of positioning devices, and in particular to a pin positioning device and a butt joint beam. Background Art

[0002] Cableway is a device that uses steel cables suspended in mid-air to support and pull passenger cars or trucks. According to the support and pulling methods, cableways include single-line, double-line, reciprocating, circular, detachable and other types. Detachable cableway is convenient for getting on and off, has a high level of automation, strong ability to adapt to terrain, is safe and fast, and has a large transportation capacity. It is the mainstream equipment type of cableways at home and abroad.

[0003] In the existing cableways with intermediate stations, the tire beams of the acceleration and deceleration sections and the straight sections or curved sections need to be converted and positioned, and are generally positioned by pins. In the prior art, there are many devices for positioning pins, but most of them require a lot of adjustments during application. For example, in applications in the field of cableways, in order to ensure the accuracy of the pins and the pin holes, when the pins reach the specified position, the pins or the pin seats need to be adjusted by top screws or other methods so that the pins are aligned with the pin holes on the pin seats. This method of adjustment by top screws or other means is extremely inconvenient in actual applications because the on-site environment is complex and changeable, and if the processing accuracy of the relevant structures cannot be guaranteed, it will be very difficult to adjust, which consumes manpower and time, and the effect is not ideal. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] The purpose of the present invention is to provide a pin shaft positioning device and a butt joint beam to solve the technical problems of difficult pin shaft positioning operation and poor effect existing in the prior art or related technology.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, one embodiment of the present invention provides a pin shaft positioning device, including a pin shaft assembly and a pin seat assembly.

[0008] The pin assembly includes a linear drive, a positioning seat and a pin, wherein the output end of the linear drive is connected to the first end of the pin, the pin passes through the positioning seat and the second end of the pin can extend out of the positioning boss at the end of the positioning seat, and the positioning boss is coaxial with the pin;

[0009] The latch seat assembly comprises a latch seat, the latch seat comprises a positioning groove matched with the positioning boss and a pin shaft hole matched with the pin shaft, the positioning groove and the pin shaft hole are coaxial;

[0010] The pin shaft assembly and / or the pin seat assembly moves to position the positioning boss in the positioning groove, and the linear drive member drives the pin shaft to be inserted into the pin shaft hole.

[0011] In some embodiments, the positioning boss and the positioning groove are provided with matching positioning planes.

[0012] In some embodiments, the positioning boss is a rectangular boss, and the positioning groove is a rectangular groove.

[0013] In some embodiments, the pin shaft assembly also includes a sensor assembly, the sensor assembly includes a first sensor, when the positioning boss is positioned in the positioning groove, the first sensor corresponds to the top surface of the pin seat and the length from the first sensor to the top surface is not greater than a set length.

[0014] In some embodiments, a sensing member is fixedly connected to the pin shaft, and the sensing member extends out of the positioning seat; the sensor assembly also includes a second sensor, and the second sensor is arranged above the sensing member. The sensing member moves to a position corresponding to the second sensor, the pin shaft is inserted into the pin shaft hole to a set distance, and the linear drive member stops driving.

[0015] In some embodiments, the sensor assembly also includes a third sensor, which is disposed above the sensing member. The sensing member moves to a position corresponding to the third sensor, and the linear drive member drives the second end of the pin shaft to return to the positioning boss, and the linear drive member stops driving.

[0016] In some embodiments, the sensor assembly further includes a fixing frame, the fixing frame is fixed to the positioning seat, the first sensor, the second sensor and the third sensor are all fixed to the fixing frame; the first sensor, the second sensor and the third sensor are all proximity switches.

[0017] In some embodiments, the positioning seat is connected to a supporting base plate, and a housing of the linear drive member is fixed to the supporting base plate.

[0018] Another embodiment of the present invention provides a docking beam, including a first support beam, a second support beam and the above-mentioned pin shaft positioning device, wherein the above-mentioned pin seat assembly is fixed to the first support beam, and the above-mentioned pin shaft assembly is fixed to the second support beam.

[0019] In some embodiments, a swing driving member is disposed on the first support beam or the second support beam, and the swing driving member drives the positioning boss and the positioning groove to swing and position.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, one or more technical solutions in the embodiments of the present invention have one of the following technical effects:

[0022] In the embodiments of the present invention, the pin of the pin shaft assembly is plugged into and positioned with the pin shaft hole of the pin seat assembly. Before the pin shaft is plugged into the pin shaft hole, the pin shaft and the pin shaft hole are positioned by means of a positioning boss and a positioning groove. The positioning boss and the positioning groove are positioned by linear movement or swinging. After the positioning boss and the positioning groove are positioned, the pin shaft and the pin shaft hole are ensured to be coaxial, thereby ensuring positioning accuracy. The structure is simple and the operation is easy.

[0023] In another embodiment of the present invention, the docking beam includes a first support beam and a second support beam, and the pin shaft assembly and the latch seat assembly are respectively fixed to the second support beam and the first support beam to achieve docking of the beams, which is easy to operate, simple in structure, and accurate in docking. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of a pin assembly of a pin positioning device according to an embodiment of the present invention;

[0025] Figure 2 This is a schematic structural diagram of a pin seat assembly of a pin shaft positioning device according to an embodiment of the present invention;

[0026] Figure 3 This is a schematic diagram of the docking state structure of the pin shaft positioning device according to an embodiment of the present invention;

[0027] Figure 4 This is a schematic structural diagram of a support structure of a pin positioning device according to an embodiment of the present invention;

[0028] Figure 5 for Figure 4 Schematic diagram of the structure in the middle A direction;

[0029] In the figure, 1, first support; 2, linear drive member; 3, sensor assembly; 31, first sensor; 32, fixing bracket; 33, second sensor; 34, third sensor; 4, positioning seat; 41, positioning boss; 5, pin shaft; 51, sensing member; 6, first workpiece; 7, second workpiece; 8, second support; 9, pin seat; 91, positioning groove; 92, pin shaft hole; 10, supporting base plate. DETAILED DESCRIPTION

[0030] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Furthermore, in the description of the present invention, unless otherwise specified, “plurality”, “multiple roots”, and “multiple groups” mean two or more.

[0034] Combination Figure 1-5 As shown, one embodiment of the present invention provides a pin shaft positioning device, including a pin shaft assembly and a latch seat assembly,

[0035] The pin assembly includes a linear drive member 2, a positioning seat 4 and a pin 5. The output end of the linear drive member 2 is connected to the first end of the pin 5. The pin 5 passes through the positioning seat 4. The end of the positioning seat 4 is provided with a positioning boss 41. The second end of the pin 5 extends out of the positioning boss 41. The positioning boss 41 is coaxial with the pin 5.

[0036] The latch seat assembly includes a latch seat 9, which includes a positioning groove 91 adapted to the positioning boss 41 and a pin shaft hole 92 adapted to the pin shaft 5, and the positioning groove 91 is coaxial with the pin shaft hole 92;

[0037] The pin shaft assembly and / or the pin seat assembly moves to position the positioning boss 41 in the positioning groove 91 , and the linear drive member 2 then drives the pin shaft 5 to be inserted into the pin shaft hole 92 .

[0038] The pin assembly and the latch seat assembly are connected to the first workpiece 6 and the second workpiece 7 respectively. In order to dock the first workpiece 6 and the second workpiece 7, the pin 5 of the pin assembly needs to be inserted into the pin hole 92 of the latch seat assembly. In order to ensure that the pin 5 is accurately inserted into the pin hole 92, the positioning boss 41 on the positioning seat 4 and the positioning groove 91 on the latch seat 9 are used for positioning, so that the pin 5 and the pin hole 92 are coaxial and accurately positioned.

[0039] Specifically, after the outer wall of the positioning boss 41 is fitted and positioned with the wall of the positioning groove 91, the pin 5 is made coaxial with the pin hole 92. Under the action of the linear drive 2, the pin 5 extends out of the positioning boss 41 and extends into the pin hole 92, completing the insertion and fixation of the pin 5 and the pin hole 92, and then completing the docking of the first workpiece 6 and the second workpiece 7.

[0040] The positioning boss 41 and the positioning slot 91 are positioned by linear movement and / or swinging. The linear movement is a movement perpendicular to the axis direction of the pin shaft 5. The movement modes of the positioning boss 41 and / or the positioning slot 91 include lifting movement, horizontal movement, tilting movement and other modes. Swinging positioning includes the positioning boss 41 swinging to the positioning slot 91, and the positioning slot 91 swinging to the positioning boss 41. When the pin shaft assembly or the pin seat assembly swings, the swinging direction can be vertical swinging, such as from top to bottom; it can also be horizontal swinging, such as from left to right; the swinging direction is not limited.

[0041] The linear movement or swinging of the positioning boss 41 or the positioning groove 91 is achieved by the swinging of the pin assembly or the latch assembly.

[0042] When the first workpiece 6 and the second workpiece 7 need to be released from the docking relationship, the linear drive member 2 drives the pin 5 to return to the positioning seat 4, and the positioning boss 41 moves away from the positioning groove 91 or the positioning groove 91 moves away from the positioning boss 41. The docking and undocking operations of the first workpiece 6 and the second workpiece 7 are simple and accurate in positioning.

[0043] In this embodiment, the first workpiece 6 and the second workpiece 7 are directly positioned, and the positioning is convenient and accurate without the need for top screw adjustment, thereby solving the problems of inconvenient operation, high manpower and time costs caused by top screw adjustment.

[0044] The linear drive member 2 may be an electric cylinder, and the electric push rod on the electric cylinder drives the pin 5; or, the linear drive member 2 may be a linear motor, and the output shaft of the linear motor drives the pin 5; or, the linear drive member 2 may be a pneumatic cylinder or a hydraulic cylinder, and the telescopic rod of the pneumatic cylinder or the hydraulic cylinder drives the output shaft. The form of the linear drive member 2 is not limited to the above, and it can realize the linear drive of the pin 5, which will not be repeated here.

[0045] In one embodiment, the outer wall of the positioning boss 41 and the wall surface of the positioning groove 91 can be matching positioning planes or curved surfaces to meet the positioning requirements.

[0046] When the outer wall of the positioning boss 41 and the wall surface of the positioning groove 91 are provided with matching positioning planes, the positioning planes circumferentially limit the positioning boss 41 and the positioning groove 91 to prevent the positioning boss 41 and the positioning groove 91 from rotating relative to each other and interfering with the positioning of the pin shaft 5 .

[0047] Going further, combined Figure 4 and Figure 5 As shown, the positioning boss 41 is a rectangular boss, and the positioning groove 91 is a matching rectangular groove. The rectangular boss is a symmetrical structure and is accurately positioned with the rectangular groove, which helps to improve the plug-in assembly accuracy of the pin shaft 5. It has a simple structure and is easy to process.

[0048] In addition, the positioning boss 41 may also be an axis structure, and the positioning groove 91 may be a combination structure of a rectangular groove and a semicircular groove.

[0049] In addition, in order to ensure the accuracy of positioning, it is also necessary to ensure the processing accuracy of each component. First, control the processing accuracy of the outer wall of the positioning boss 41 and the pin 5 to ensure that the distance between the axis of the pin 5 and the outer wall of the positioning boss 41 is within the allowable error range; secondly, control the processing accuracy of the wall surface of the positioning groove 91 and the pin hole 92 to ensure that the distance between the wall surface of the positioning groove 91 and the axis of the pin hole 92 is within the allowable error range; thirdly, control the parallelism of the outer wall of the positioning boss 41 and the wall surface of the positioning groove 91. When the outer wall of the positioning boss 41 is in contact with the wall surface of the positioning groove 91, it can ensure that the axis of the pin 5 and the axis of the pin hole 92 are in a straight line, which plays a positioning role, and no other adjustments are required. The pin 5 can be smoothly inserted into the pin hole 92 under the action of the linear drive 2 to ensure plug-in positioning.

[0050] Machining accuracy mainly refers to the dimensional tolerance and form and position tolerance within the allowable range. The dimensional tolerance is the distance tolerance between the axis of the pin shaft 5 and the outer wall of the positioning boss 41, and the distance tolerance between the wall surface of the positioning groove 91 and the axis of the pin shaft hole 92. The form and position tolerance refers to the parallelism of the two surfaces.

[0051] In another embodiment, in combination Figure 1-3As shown, in order to improve the degree of automation, the pin assembly also includes a sensor assembly 3, and the sensor assembly 3 includes a first sensor 31. When the positioning boss 41 is positioned in the positioning groove 91, the first sensor 31 corresponds to the top surface of the latch seat 9, and the length from the first sensor 31 to the top surface is not greater than the set length. When the length from the first sensor 31 to the top surface is not greater than the set length, the first sensor 31 receives a signal from the top surface, indicating that the positioning boss 41 and the positioning groove 91 have completed positioning, guiding the operating state of the driving structure used to drive the pin assembly or the latch assembly to move, and the linear drive member 2 can drive the pin 5 to insert into the pin hole 92. Among them, the set length is the detection range of the first sensor 31.

[0052] The top surface mentioned here refers to the surface of the latch seat 9 that the positioning boss 41 passes first relative to the moving direction of the positioning boss 41. That is, when the positioning boss 41 is positioned in the positioning groove 91 from top to bottom, the top surface is the upper surface of the latch seat 9; when the positioning boss 41 is positioned in the positioning groove 91 from left to right, the top surface is the left side surface of the latch seat 9.

[0053] Furthermore, when the positioning groove 91 is a rectangular groove, the top surface is parallel to the bottom wall of the positioning groove 91, and the positioning boss 41 is positioned in the positioning groove 91, the distance from the first sensor 31 to the top surface is not greater than the set length, and the detection is accurate.

[0054] In another embodiment, the sensor assembly 3 further includes a second sensor 33 and a third sensor 34, and the second sensor 33 and the third sensor 34 are used to determine the position state of the pin 5. When the pin 5 is inserted into the pin hole 92 for a set distance, the second sensor 33 receives a signal to instruct the linear drive 2 to stop driving the pin 5 to extend; wherein the set distance refers to: when the pin 5 is inserted and positioned, the set length of the pin 5 that needs to be inserted into the pin hole 92. When the pin 5 returns to the positioning boss 41 (that is, the end of the pin 5 does not extend out of the positioning boss 41), the third sensor 34 receives a signal to instruct the linear drive 2 to stop driving the pin 5 to retract.

[0055] Furthermore, a sensing member 51 is connected to the pin shaft 5, and the sensing member 51 extends out of the positioning seat 4 and moves axially synchronously with the pin shaft 5, that is, the sensing member 51 is fixed to the pin shaft 5 and can move relative to the positioning seat 4; the second sensor 33 and the third sensor 34 are both arranged above the sensing member 51, and the second sensor 33 and the third sensor 34 both determine the position state of the pin shaft 5 by the position of the sensing member 51.

[0056] When the induction member 51 moves to the position corresponding to the second sensor 33, the second sensor 33 receives a signal that the pin 5 has completed the insertion and positioning, and the linear drive member 2 stops driving;

[0057] When the sensing member 51 moves to the position corresponding to the third sensor 34 , the third sensor 34 receives a signal indicating that the second end of the pin 5 returns to the positioning boss 41 , and the linear drive member 2 stops driving.

[0058] The pin shaft positioning device also includes a controller, and the signals received by the second sensor 33 and the third sensor 34 are transmitted to the controller, and the controller sends a signal to stop driving to the linear drive member 2. In addition, the signal received by the first sensor 31 is also transmitted to the controller, and the controller sends a signal to the linear drive member 2 to extend the drive pin shaft 5. The linear drive member 2, the sensor assembly 3 and the controller cooperate to realize the process of automatically driving the pin shaft 5 to be positioned in or independent of the pin shaft hole 92, which is easy to operate, highly automated, and saves manpower and time costs. The controller can be a PLC controller or a microprocessor.

[0059] It should be noted that when the pin shaft 5 positioning device is not equipped with a sensor assembly 3 and a controller, the positioning state of the positioning boss 41 and the positioning groove 91 can be manually monitored and the linear drive member 2 can be manually operated to reduce the cost of the pin shaft 5 positioning device. The sensor assembly 3 and the controller can be selected as needed.

[0060] Furthermore, the first sensor 31, the second sensor 33 and the third sensor 34 are all proximity switches, which are positioned in a non-contact manner to adjust the movement of the linear drive member 2 or the swing movement of the latch assembly.

[0061] Furthermore, the sensor assembly 3 also includes a fixing frame 32, which is fixed to the positioning seat 4, and the first sensor 31, the second sensor 33 and the third sensor 34 are all fixed to the fixing frame 32. Among them, the fixing frame 32 includes a first bracket and a second bracket, the first bracket extends in the direction of the latch seat 9, the first sensor 31 is fixed on the first bracket, the second bracket is arranged above the sensing element 51, the second sensor 33 and the third sensor 34 are both arranged on the second bracket, and the probe positions of the second sensor 33 and the third sensor 34 are flush, so that the two sensors can measure the position state of the pin shaft 5 through the same sensing element 51.

[0062] Furthermore, combined Figure 1 and Figure 4 As shown, the fixing frame 32 is formed on the positioning seat 4, the positioning seat 4 is connected to the supporting base plate 10, and the shell of the linear drive member 2 is fixed to the supporting base plate 10. The fixing frame 32, the positioning seat 4 and the supporting base plate 10 form an integrated supporting structure, which simplifies the parts of the pin shaft assembly, facilitates transportation and installation, and helps to ensure the axial positioning accuracy.

[0063] In another embodiment, the pin assembly further includes a first support 1, which is used to connect the first workpiece 6, and the pin seat assembly further includes a second support 8, which is used to connect the second workpiece 7. The first workpiece 6 drives the positioning boss 41 to swing into the positioning groove 91. The first workpiece 6 and the second workpiece 7 are two workpieces positioned by linear movement or swinging, and the application field is not limited.

[0064] Another embodiment of the present invention also provides a docking beam, comprising a first support beam, a second support beam and the pin shaft positioning device in the above embodiment, wherein the pin shaft assembly is fixed to the second support beam, and the latch seat assembly is fixed to the first support beam, so as to ensure that the two beams are positioned quickly and accurately, and can also be positioned automatically. The first support beam serves as the first workpiece 6, and the second support beam serves as the second workpiece 7.

[0065] Further, the second support beam is provided with a swing driving member, which drives the positioning boss 41 to swing and position in the positioning groove 91. Alternatively, the first support beam is provided with a swing driving member, which drives the positioning groove 91 to swing and position in the positioning boss 41.

[0066] The swing driving member may be a cylinder that drives the first support beam or the second support beam to swing around a center point. The driving form of the swing driving member is not limited and will not be described in detail here.

[0067] The docking beam of this embodiment can be a beam structure in various fields, such as the field of cableways, the field of railway tracks, the field of mechanical support beams, etc. It is particularly suitable for the field of cableways, the docking of straight sections and acceleration and deceleration sections, and the docking of curved sections and acceleration and deceleration sections in cableways. The first support beam is a tire beam of the acceleration and deceleration section, and the second support beam is a tire beam of the straight section or the curved section.

[0068] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pin positioning device, characterized in that: It includes a pin shaft assembly and a pin seat assembly, wherein the pin shaft assembly includes a linear drive, a positioning seat and a pin shaft, wherein the output end of the linear drive is connected to the first end of the pin shaft, the pin shaft passes through the positioning seat and the second end of the pin shaft can extend out of the positioning boss at the end of the positioning seat, and the positioning boss is coaxial with the pin shaft; The latch seat assembly comprises a latch seat, the latch seat comprises a positioning groove matched with the positioning boss and a pin shaft hole matched with the pin shaft, the positioning groove and the pin shaft hole are coaxial; The pin shaft assembly and / or the pin seat assembly moves so that the positioning boss is positioned in the positioning groove, and the linear drive member drives the pin shaft to be inserted into the pin shaft hole; The pin assembly further includes a sensor assembly, the sensor assembly includes a first sensor, a second sensor and a third sensor, when the positioning boss is positioned in the positioning groove, the first sensor corresponds to the top surface of the pin seat and the length from the first sensor to the top surface is not greater than a set length; The pin shaft is fixedly connected with a sensing member, and the sensing member extends out of the positioning seat; the second sensor is arranged above the sensing member, and when the sensing member moves to a position corresponding to the second sensor, the pin shaft is inserted into the pin shaft hole by a set distance, and the linear driving member stops driving; The third sensor is arranged above the sensing member. When the sensing member moves to a position corresponding to the third sensor, the linear drive member drives the second end of the pin shaft to return to the positioning boss, and the linear drive member stops driving.

2. The pin positioning device according to claim 1, characterized in that: The positioning boss and the positioning groove are provided with matching positioning planes.

3. The pin positioning device according to claim 1, characterized in that: The positioning boss is a rectangular boss, and the positioning groove is a rectangular groove.

4. The pin positioning device according to claim 1, characterized in that: The sensor assembly further comprises a fixing frame, the fixing frame is fixed to the positioning seat, the first sensor, the second sensor and the third sensor are all fixed to the fixing frame; the first sensor, the second sensor and the third sensor are all proximity switches.

5. The pin positioning device according to claim 1, characterized in that: The positioning seat is connected to the supporting base plate, and the housing of the linear drive member is fixed to the supporting base plate.

6. A butt-jointed beam, characterized in that: It comprises a first support beam, a second support beam and the pin shaft positioning device according to any one of claims 1 to 5, wherein the pin seat assembly is fixed to the first support beam, and the pin shaft assembly is fixed to the second support beam.

7. The butt joint beam according to claim 6, characterized in that: A swing driving member is provided on the first supporting beam or the second supporting beam, and the swing driving member drives the positioning boss and the positioning groove to swing and position.

Images