Mechanical blocking device applied to layer-changing elevator

Abstract

The utility model relates to the technical field of layer-changing elevators, in particular to a mechanical blocking device applied to a layer-changing elevator. The device comprises a bottom plate, an adjusting plate, a rocker baffle, a rocker rotating shaft and a collision plate, the bottom plate is connected with the adjusting plate, the adjusting plate is rotatably connected with the middle of the rocker baffle, and one end of the rocker baffle is rotatably connected with the rocker rotating shaft; the collision plate is connected to the collision plate mounting frame through bolts, a first guide end face is vertically arranged on the side face of the collision plate, the rocker arm rotating shaft can make contact with the collision plate and roll along the first guide end face, and the collision plate can drive the rocker arm baffle to rotate to switch postures through contact between the first guide end face and the rocker arm rotating shaft in the up-down moving process. The position between the rocker arm rotating shaft and the collision plate can be transversely adjusted, so that the rocker arm rotating shaft and the collision plate have good contact performance, and the installation convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a layer changing hoist technical field especially a mechanical blocking device for layer changing hoist. BACKGROUND

[0002] The layer changing reciprocating hoist is widely used in intelligent warehouse, material conveying industry, and is used for realizing the up and down lifting and horizontal conveying of trolley or goods. However, in the aspect of trolley anti-derailing, the existing blocking device has some problems, the most important of which is that the hard friction is caused by the non-rotation of the pin shaft after the contact of the baffle plate and the pin shaft, in addition, the whole rocker arm baffle plate cannot be adjusted horizontally, etc.

[0003] There are many reasons for the hard friction caused by the non-rotation of the pin shaft after the contact of the baffle plate and the shaft, one of which is that the pin shaft itself does not have the rotation characteristic. In addition, there is no adjusting plate, so the distance between the nylon baffle plate and the rocker arm baffle plate cannot be adjusted during the initial installation or the later adjustment, which causes the on-site construction difficulty and the reduction or loss of the whole structure function.

[0004] Therefore, a new mechanical blocking device is needed to ensure the stable operation of the device. CONTENT OF THE UTILITY MODEL

[0005] The application aims at the above-mentioned defects in the existing production technology, and provides a mechanical blocking device for layer changing hoist, which has good contact between the baffle plate and the rocker arm shaft, ensures the stable operation of the device, reduces the unilateral wear of the rocker arm shaft, and improves the service life and safety.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A mechanical blocking device for layer changing hoist, comprising a bottom plate, an adjusting plate, a rocker arm baffle plate, a rocker arm shaft and a baffle plate, the adjusting plate is connected to the bottom plate, the middle part of the rocker arm baffle plate is rotationally connected to the adjusting plate, and one end of the rocker arm baffle plate is rotationally connected to the rocker arm shaft; a tension spring mounting seat is connected to the adjusting plate through a bolt, a tension spring support is connected to the rocker arm baffle plate, a tension spring is arranged between the tension spring mounting seat and the tension spring support, the tension of the tension spring on one end of the rocker arm baffle plate can keep the rocker arm baffle plate in a vertical state; the baffle plate is connected to the baffle plate mounting frame through a bolt, a first guide end surface is vertically arranged on the side surface of the baffle plate, the rocker arm shaft can contact and roll along the first guide end surface, and the baffle plate can drive the rocker arm baffle plate to rotate and switch the posture through the contact between the first guide end surface and the rocker arm shaft during the up and down movement of the baffle plate.

[0008] Further, the bottom plate is connected to the side surface of the hoist frame cross beam through two hoops.

[0009] Further, the other end of the rocker baffle is connected with a nylon plate.

[0010] Further, a long waist-shaped bolt adjusting groove is arranged at a position where the adjusting plate is connected with a fastening bolt.

[0011] Further, the bottom plate is connected with a top plate through bolts, the top plate is located at one side of the adjusting plate, a jacking bolt is connected with the top plate through threads, one end of the jacking bolt can abut against one side of the adjusting plate, a locking nut is connected with the jacking bolt, and the locking nut can lock the position of the jacking bolt.

[0012] Further, one end of the baffle rotating shaft is connected with the adjusting plate through bolts, the other end of the baffle rotating shaft is connected with the shaft end baffle through bolts, a first oil-free bushing is sleeved on the baffle rotating shaft, and the rocker baffle is sleeved on the second oil-free bushing.

[0013] Further, a spacer sleeve and a shaft end spacer sleeve are sleeved on the baffle rotating shaft, the spacer sleeve and the shaft end spacer sleeve are located at left and right sides of the first oil-free bushing respectively, one side of the spacer sleeve abuts against the adjusting plate, one side of the shaft end spacer sleeve abuts against the shaft end baffle, and the shaft end baffle is clamped in a clamping groove in the baffle rotating shaft.

[0014] Further, one end of the rocker baffle is sleeved on the second oil-free bushing, the second oil-free bushing is sleeved on a rocker rotating shaft, a rocker shaft spacer sleeve is sleeved on the rocker rotating shaft, the rocker shaft spacer sleeve abuts against the jacking rocker baffle in a lateral direction, the rocker rotating shaft is provided with a first clamping groove and a second clamping groove, a first rocker shaft baffle is clamped in the first clamping groove, and a second rocker shaft baffle is clamped in the second clamping groove.

[0015] Further, a plurality of traction holes are arranged on the tension spring mounting seat, and one end of the tension spring can be connected with any one of the plurality of traction holes.

[0016] Further, the upper and lower end faces of the impact plate are inclined second guide end faces, and the first guide end face and the second guide end face are connected into an integrated body through a circular arc end face.

[0017] The utility model discloses the beneficial effects are as follows:

[0018] The rocker arm shaft of this invention can be laterally adjusted to maintain its position relative to the impact plate, ensuring good contact between the rocker arm shaft and the impact plate and improving installation convenience. The rocker arm shaft is connected to the rocker arm baffle via an oil-free bushing, ensuring rolling contact between the rocker arm shaft and the impact plate and preventing one-sided wear of the rocker arm shaft. The rocker arm baffle, made of nylon, reduces impact wear on the other end of the rocker arm baffle caused by the trolley entering and exiting the hoist, thus extending its service life. The upper and lower end faces of the impact plate are inclined second guide faces, allowing the rocker arm shaft to smoothly disengage from or contact the impact plate. Attached Figure Description

[0019] Figure 1 This is a structural diagram of the rocker arm baffle of this utility model in a horizontal state.

[0020] Figure 2 This is a structural diagram of the rocker arm baffle of this utility model in a vertical state.

[0021] Figure 3 This is a top view of the present invention.

[0022] Figure 4 for Figure 3 Sectional view of AA.

[0023] Figure 5 for Figure 3 BB section view.

[0024] Figure 6 for Figure 3 CC section view.

[0025] The components are as follows: 1. Base plate; 2. Adjusting plate; 3. Rocker arm baffle; 4. Rocker arm shaft; 5. Bumper plate; 6. Bumper plate mounting bracket; 7. Hoist frame crossbeam; 8. Car structure crossbeam; 9. Clamp; 10. Fastening bolt; 11. Bolt adjusting groove; 12. Top plate; 13. Tightening bolt; 14. Locking nut; 15. Baffle shaft; 16. Shaft end baffle; 17. Spacer; 18. First oil-free bushing; 19. Shaft end spacer; 20. Shaft end retaining ring; 21. Second oil-free bushing; 22. Rocker arm shaft spacer; 23. First rocker arm shaft retaining ring; 24. Second rocker arm shaft retaining ring; 25. Nylon plate; 26. Tension spring; 27. Tension spring support; 28. Tension spring mounting seat. Detailed Implementation

[0026] The specific embodiments of this utility model are described below with reference to the accompanying drawings.

[0027] like Figure 1 and Figure 2As shown in the drawings, a mechanical blocking device applied to a layer-changing elevator comprises a base plate 1, an adjusting plate 2, a rocker arm baffle 3, a rocker arm pivot 4 and a baffle plate 5. The base plate 1 is connected to the lateral side of the elevator frame crossbeam 7 through two hoops 9, which realizes stable installation of the base plate 1 on the elevator frame crossbeam 7. The adjusting plate 2 is connected to the base plate 1 through a plurality of fastening bolts 10, and the middle part of the rocker arm baffle 3 is rotatably connected to the adjusting plate 2. One end of the rocker arm baffle 3 is rotatably connected to the rocker arm pivot 4, and the other end of the rocker arm baffle 3 is connected to a nylon plate 25 facing one side of the elevator frame crossbeam 7, which can reduce the impact and wear of the other end of the rocker arm baffle 3 caused by the car entering and leaving the elevator.

[0028] As shown in the drawings, Figure 1 and Figure 2 the position where the fastening bolt 10 is connected to the adjusting plate 2 is provided with an oblong bolt adjusting groove 11, which enables the adjusting plate 2 to adjust the position transversely relative to the base plate 1.

[0029] As shown in the drawings, Figure 1 and Figure 2 the base plate 1 is connected to a top plate 12 through a bolt, the top plate 12 is located on one side of the adjusting plate 2, a top tightening bolt 13 is connected to the top plate 12 through a thread, one end of the top tightening bolt 13 can abut against one side of the adjusting plate 2 to avoid transverse movement of the adjusting plate 2. A locking nut 14 is connected to the top tightening bolt 13, which can lock the position of the top tightening bolt 13.

[0030] In use, the adjusting plate 2 can adjust the transverse position relative to the base plate 1, and after the position adjustment is completed, the top tightening bolt 13 is used to abut against the adjusting plate 2 to ensure stable installation of the adjusting plate 2.

[0031] As shown in the drawings, Figure 3 and Figure 4 one end of the baffle pivot 15 is connected to the adjusting plate 2 through a bolt, and the other end of the baffle pivot 15 is connected to an axial end baffle 16 through a bolt. The baffle pivot 15 is sleeved with a first oil-free bushing 18, and the first oil-free bushing 18 is sleeved with the rocker arm baffle 3. The baffle pivot 15 is respectively sleeved with a spacer 17 and an axial end spacer 19, which are respectively located on the left and right sides of the first oil-free bushing 18. One side of the spacer 17 is in contact with the adjusting plate 2, and one side of the axial end spacer 19 is in contact with an axial end baffle ring 20, which is clamped in a clamping groove of the baffle pivot 15.

[0032] The first oil-free bushing 18 can effectively rotate the baffle pivot 15 and can bear a large axial and radial load. The first oil-free bushing 18 can form a solid lubricating film on the contact surface, and has good maintenance-free and environmental protection properties.

[0033] As shown in the drawings, Figure 3 and Figure 5As shown in the drawings, the one end of the rocker baffle 3 is sleeved on the second oil-free bushing 21, the second oil-free bushing 21 is sleeved on the rocker shaft 4, the rocker shaft 4 is sleeved with the rocker shaft spacer 22, the rocker shaft spacer 22 contacts the rocker baffle 3 laterally. The first clamping groove and the second clamping groove are arranged on the rocker shaft 4 respectively, the first rocker shaft baffle ring 23 is clamped on the first clamping groove, the second rocker shaft baffle ring 24 is clamped on the second clamping groove, the first rocker shaft baffle ring 23 contacts and limits the transverse position of the second oil-free bushing 21, and the second rocker shaft baffle ring 24 contacts and limits the transverse position of the rocker shaft spacer 22.

[0034] The second oil-free bushing 21 can make the rocker shaft 4 rotate effectively and can bear larger axial and radial loads. The second oil-free bushing 21 can form a solid lubricating film on the contact surface, and has good maintenance-free and environmental protection. The fixed point wear of the rocker shaft 4 is avoided.

[0035] As shown in the drawings, Figure 3 and Figure 6 The adjusting plate 2 is provided with a pull spring mounting seat 28 connected by a bolt, the rocker baffle 3 is provided with a pull spring support 27, the pull spring mounting seat 28 and the pull spring support 27 are provided with a pull spring 26, the pull force of the pull spring 26 on the one end of the rocker baffle 3 can keep the rocker baffle 3 in a vertical state. The pull spring mounting seat 28 is provided with a plurality of traction holes, the one end of the pull spring 26 can be connected with any one of the plurality of traction holes, and the installation position of the pull spring 26 is adjustable.

[0036] As shown in the drawings, Figure 1 and Figure 2 The striker plate 5 is connected to the striker plate mounting frame 6 by a bolt, and the striker plate mounting frame 6 is connected to the side of the car structure cross beam 8 by a bolt. The striker plate 5 is vertically provided with a first guide end surface 5.1, and the rocker shaft 4 can contact and roll along the first guide end surface 5.1. During the up and down movement of the striker plate 5 along with the car structure cross beam 8, the striker plate 5 can drive the rocker baffle 3 to rotate and switch the posture through the contact between the first guide end surface 5.1 and the rocker shaft 4.

[0037] In the working process, when the rocker shaft 4 does not contact the first guide end surface 5.1, the rocker baffle 3 is in a vertical state under the action of the pull spring 26, at this time, the nylon plate 25 at the other end of the rocker baffle 3 is higher than the upper end surface of the elevator frame cross beam 7, and the nylon plate 25 can prevent the trolley from falling off due to misoperation. When the rocker shaft 4 contacts the first guide end surface 5.1, the rocker baffle 3 rotates from the vertical state to the horizontal state against the pull force of the pull spring 26, at this time, the nylon plate 25 at the other end of the rocker baffle 3 is lower than the upper end surface of the elevator frame cross beam 7, and the trolley can smoothly enter and exit the elevator car. The rocker baffle 3 rolls in contact with the striker plate 5 through the rocker shaft 4, which can avoid damaging the baffle shaft 15 and can also avoid unilateral wear of the rocker shaft 4.

[0038] As shown in the drawings, Figure 1 andFigure 2 As shown in the figure, the upper and lower end faces of the striker plate 5 are the second guide end faces 5.2 arranged in an inclined manner, and the first guide end face 5.1 and the second guide end face 5.2 are connected into an integrated body through a circular arc end face. The second guide end face 5.2 can make the rocker shaft 4 smoothly separate from or contact the striker plate 5.

[0039] The above description is an explanation of the utility model, not a limitation of the utility model, the range defined by the utility model is referred to the claims, and any form of modification can be made within the protection range of the utility model.

Claims

1. A mechanical blocking device applied to a layer-changing elevator, comprising a base plate (1), an adjusting plate (2), a rocker arm baffle (3), a rocker arm rotating shaft (4) and a baffle plate (5), characterized in that: The bottom plate (1) is connected with an adjusting plate (2), the middle part of the adjusting plate (2) is rotatably connected with a rocker baffle (3), one end of the rocker baffle (3) is rotatably connected with a rocker shaft (4); the adjusting plate (2) is connected with a pull spring mounting seat (28) through a bolt, the rocker baffle (3) is connected with a pull spring support (27), a pull spring (26) is arranged between the pull spring mounting seat (28) and the pull spring support (27), the pulling force of the pull spring (26) on one end of the rocker baffle (3) can keep the rocker baffle (3) in a vertical state; the baffle (5) is connected with a baffle mounting frame (6) through a bolt, the side surface of the baffle (5) is vertically provided with a first guide end surface (5.1), the rocker shaft (4) can contact and roll along the first guide end surface (5.1), during the up-down movement of the baffle (5), the first guide end surface (5.1) and the rocker shaft (4) can contact each other, and the rocker baffle (3) can be driven to rotate and switch the posture.

2. A mechanical barrier device for use in a strata hoist as claimed in claim 1, characterised in that: The bottom plate (1) is connected with the side surface of a lifting machine frame crossbeam (7) through two hoops (9).

3. A mechanical barrier device for use in a strata hoist as claimed in claim 1, characterised in that: The other end of the rocker baffle (3) is connected with a nylon plate (25).

4. A mechanical barrier device for use in a strata hoist as claimed in claim 1, characterised in that: The position, where the adjusting plate (2) is connected with a fastening bolt (10), is provided with an oblong bolt adjusting groove (11).

5. A mechanical barrier device for use in a car change hoist as claimed in claim 4, characterised in that: The bottom plate (1) is connected with a top plate (12) through a bolt, the top plate (12) is located on one side of the adjusting plate (2), the top plate (12) is connected with a top pressing bolt (13) through a thread, one end of the top pressing bolt (13) can press and contact one side of the adjusting plate (2), the top pressing bolt (13) is connected with a locking nut (14), and the locking nut (14) can lock the position of the top pressing bolt (13).

6. A mechanical barrier device for use in a strata hoist as claimed in claim 1, characterised in that: One end of a baffle rotating shaft (15) is connected with the adjusting plate (2) through a bolt, the other end of the baffle rotating shaft (15) is connected with an axle end baffle (16) through a bolt, the baffle rotating shaft (15) is sleeved with a first oil-free bushing (18), and the first oil-free bushing (18) is sleeved with the rocker baffle (3).

7. A mechanical barrier device for use in a car change hoist as claimed in claim 6, characterised in that: The baffle rotating shaft (15) is respectively sleeved with a spacer (17) and an axle end spacer (19), the spacer (17) and the axle end spacer (19) are respectively located on the left and right sides of the first oil-free bushing (18), one side of the spacer (17) contacts the adjusting plate (2), one side of the axle end spacer (19) contacts an axle end baffle ring (20), and the axle end baffle ring (20) is clamped in a clamping groove in the baffle rotating shaft (15).

8. A mechanical barrier device for use in a car change hoist as claimed in claim 1, characterized in that: One end of the rocker baffle (3) is sleeved with a second oil-free bushing (21), the second oil-free bushing (21) is sleeved with the rocker shaft (4), the rocker shaft (4) is sleeved with a rocker shaft spacer (22), the rocker shaft spacer (22) laterally contacts the rocker baffle (3), the rocker shaft (4) is respectively provided with a first clamping groove and a second clamping groove, a first rocker shaft baffle ring (23) is clamped in the first clamping groove, and a second rocker shaft baffle ring (24) is clamped in the second clamping groove, the first rocker shaft baffle ring (23) contacts and limits the transverse position of the second oil-free bushing (21), and the second rocker shaft baffle ring (24) contacts and limits the transverse position of the rocker shaft spacer (22).

9. A mechanical barrier device for use in a car change hoist as claimed in claim 1, characterized in that: The pull spring mounting seat (28) is provided with a plurality of traction holes, and one end of the pull spring (26) can be connected with any one of the plurality of traction holes.

10. A mechanical barrier device for use in a car change hoist as claimed in claim 1, characterized in that: The upper and lower end faces of the impact plate (5) are the second guide end faces (5.2) which are obliquely arranged, and the first guide end face (5.1) and the second guide end face (5.2) are connected into an integrated body through a circular arc end face.

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