CN219489357U

CN219489357U - Lifting appliance with clamping function

Info

Publication number: CN219489357U
Application number: CN202320399664.4U
Authority: CN
Inventors: 马先旺; 李朋飞; 吕灿
Original assignee: Hubei Hongjin Mechanical And Electrical Equipment Co ltd
Current assignee: Hubei Hongjin Mechanical And Electrical Equipment Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-08
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to a hoist's field especially relates to a hoist with press from both sides and get function, it includes the mounting bracket, the mounting bracket rotates and is connected with main roller and vice roller that is parallel to each other, the equal fixedly connected with clamping jaw in both ends of main roller and vice roller, main roller fixedly connected with ejector pad and first connecting piece, vice roller fixedly connected with second even piece, the mounting bracket is provided with electric putter, electric putter articulates with the tail end of ejector pad has first axle, be provided with synchronizing assembly between main roller and the vice roller, synchronizing assembly includes synchronizing block and two connecting rods of "Z" font, be provided with the support on the mounting bracket, the center department and the support rotation of synchronizing block are connected with the pivot, two connecting rods articulate respectively in the both ends of synchronizing block, the connecting rod of pivot below articulates with first connecting piece, the connecting rod and the second even piece of pivot top articulate. The clamping jaw synchronous opening or closing device has the advantages that the electric push rod is used for driving the corresponding two clamping jaws to open or close synchronously, the equipment cost is reduced, and the workpiece is clamped synchronously.

Description

Lifting appliance with clamping function

Technical Field

The application relates to the field of lifting appliances, in particular to a lifting appliance with clamping function.

Background

The lifting appliance is commonly used as a special lifting appliance such as a lifting hook, a steel wire rope, a chain and the like, a lifting sucker, a clamp, a fork and the like can be used on a crane for a long time as a special lifting appliance, and also can be used as a replaceable auxiliary lifting appliance to be hung on the lifting hook for temporary use, and the lifting appliance is commonly used for a plurality of goods warehouses and storage yards for improving the working efficiency.

The clamp type lifting appliance generally comprises two clamping jaws which can be opened and closed, the two clamping jaws are controlled to be opened and closed respectively through two groups of driving mechanisms (such as air cylinders), after the two clamping jaws are opened and then move down to the two sides of a workpiece to be transferred, the two clamping jaws are closed to clamp the two sides and the lower side of the workpiece, and then the two clamping jaws can transfer the workpiece.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: two clamping jaws need two sets of actuating mechanism to control respectively, and equipment cost is higher, and two clamping jaw of two sets of actuating mechanism control respectively, appear two clamping jaw open and shut the asynchronous condition easily.

Disclosure of Invention

In order to improve the problems, the application provides a lifting appliance with a clamping function.

The application provides a hoist with clamp and get function adopts following technical scheme:

the utility model provides a hoist with press from both sides and get function, includes the mounting bracket, the mounting bracket rotates and is connected with main roller and vice roller that is parallel to each other, main roller with the equal fixedly connected with clamping jaw in both ends of vice roller, main roller fixedly connected with ejector pad and first connecting piece, vice roller fixedly connected with second links the piece, the mounting bracket is provided with electric putter, electric putter with the tail end of ejector pad articulates there is first axle, main roller with be provided with between the vice roller and be used for making first connecting piece with the second links piece opposite directions or is separated from wobbling synchro module mutually, synchro module includes "Z" synchronous piece and two connecting rods, be provided with the support on the mounting bracket, the center department of synchronous piece with the support rotates and is connected with the pivot, two the connecting rod articulate respectively in the both ends of synchronous piece, the connecting rod below the pivot with first connecting piece articulates, the connecting rod above the pivot with the second links the piece articulates.

By adopting the technical scheme, the electric push rod stretches, so that the push block drives the main roller, the first connecting block and the two clamping jaws on the main roller to rotate anticlockwise, the first connecting block drives the second connecting block to swing clockwise through the two connecting rods and the synchronous block, and the second connecting block drives the auxiliary roller and the two clamping jaws on the auxiliary roller to rotate clockwise, so that the effect of synchronously driving the two clamping jaws to open is achieved; the electric push rod contracts, so that the push block drives the main roller, the first connecting block and the two clamping jaws on the main roller to rotate clockwise, the second connecting block drives the auxiliary roller and the two clamping jaws on the auxiliary roller to rotate anticlockwise, the effect of synchronously driving the two clamping jaws to fold is achieved, the clamping jaws of each group can be controlled to synchronously open or close only through the driving of one electric push rod, the effect of reducing equipment cost is achieved, and the clamping jaws of each group are kept synchronous.

Optionally, the connecting rod by double-end screw rod and threaded connection in the screw thread sleeve at double-end screw rod both ends constitutes, be close to the screw thread sleeve of synchronizing block with the synchronizing block articulates there is the second shaft, keeps away from the synchronizing block the screw thread sleeve with first piece with the second is piece one-to-one and articulates there is the third axle, first axle the second shaft the third axle and the axial of pivot all with the axial of main roll section of thick bamboo is parallel to each other.

Through adopting above-mentioned technical scheme, twist the double-end screw rod and make the both ends of double-end screw rod slide in simultaneously or two screw sleeve of roll-off, do benefit to the length of adjusting the connecting rod to the rotation range of main roller and vice roller is convenient for adjust, thereby the degree of opening and shutting of control clamping jaw does benefit to the clamping jaw to press from both sides the work piece of getting different models.

Optionally, nuts are screwed at two ends of the double-ended screw rod, and the nuts are located outside the threaded sleeve.

Through adopting above-mentioned technical scheme, when the connecting rod was adjusted to required length, screw up the nut and make it support tightly in screw sleeve's tip, can prevent that the double-end screw rod from continuing to rotate, do benefit to the length of connecting rod to keep fixed.

Optionally, the one end that the threaded sleeve kept away from the double-end screw rod is provided with the bearing, the bearing housing is located corresponding the second shaft or the week side of third shaft, the threaded sleeve offer with the tank filler hole of the cavity intercommunication that the ball of bearing is located, the threaded housing is located tank filler hole department is provided with the jam post.

Through adopting above-mentioned technical scheme, be convenient for add lubricating oil towards the ball department of bearing through the tank filler neck, do benefit to the bearing and keep smooth and easy rotation to do benefit to the connecting rod smoothly around second shaft or third axle wobbling, utilize the shutoff post to be convenient for shutoff tank filler neck, prevent that lubricating oil from spilling over.

Optionally, the bottom of support is provided with the base, base fixed connection in on the mounting bracket, be provided with the arc cushion on the base, the arc cushion is located the main roller deviates from one side of electric putter and with the circumference butt of the slant lower part of main roller, the base is provided with and is used for adjusting the adjusting part of the position of arc cushion.

Through adopting above-mentioned technical scheme, because electric putter passes through the ejector pad and towards main roller application of force, utilizes two arc cushion and the oblique decurrent week side butt of main roller, does benefit to and provides two strong points to the main roller, makes the mounting bracket support the main roller more firmly, utilizes adjusting part to do benefit to and guarantees that the arc cushion can rotate smoothly when supporting the main roller.

Optionally, the adjusting part includes fixed block and bolt, the fixed block with base fixed connection, the bolt screw thread wears to locate the fixed block, the bolt is located arc cushion deviates from electric putter's one side, the screw thread end rotation of bolt is connected with the riding block, arc cushion with riding block fixed connection.

Through adopting above-mentioned technical scheme, twist the bolt and make the bolt drive riding block and arc cushion towards or deviate from the main roll section of thick bamboo and remove, riding block and bolt rotation are connected, do benefit to and prevent that the arc cushion from rotating, realize being convenient for adjust the effect of the conflict degree of arc cushion and main roll section of thick bamboo.

Optionally, the clamping jaw sets up to L shape, the both sides that the clamping jaw is relative all fixedly connected with reinforcing plate, reinforcing plate in the corner fixedly connected with reinforcing plate of clamping jaw.

Through adopting above-mentioned technical scheme, utilize the reinforcing plate to do benefit to the structural strength who improves the clamping jaw, the reinforcing plate has further improved the structural strength of clamping jaw in the corner of clamping jaw.

Optionally, a nylon cushion block is fixedly connected with one side of the clamping jaw, which is contacted with the workpiece.

By adopting the technical scheme, the nylon cushion block is in direct contact with the workpiece, so that the clamping jaw is prevented from scratching the workpiece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the electric push rod stretches or contracts, so that the first connecting block pushes the second connecting block to reversely swing through the two connecting rods and the synchronizing block, the effect of synchronously driving the two clamping jaws to open or close is achieved, only one electric push rod is needed to drive, the effect of reducing equipment cost is achieved, and the synchronizing assembly is beneficial to keeping synchronization of each group of clamping jaws;

2. the double-end screw is screwed to enable the two ends of the double-end screw to simultaneously slide in or slide out of the two threaded sleeves so as to adjust the length of the connecting rod, and when the connecting rod is adjusted to the required length, the nut is screwed to enable the length of the connecting rod to be fixed, so that the opening and closing degree of the clamping jaw is controlled, and the clamping jaw is facilitated to clamp workpieces of different types;

3. screwing the bolt to enable the bolt to drive the arc-shaped cushion block to be in butt joint with the inclined downward circumference side of the main roller, so that smooth rotation of the main roller can be guaranteed when the main roller is supported by the arc-shaped cushion block, two support points are additionally provided for the main roller by the two arc-shaped cushion blocks, and the main roller is supported more firmly by the installation frame.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a schematic view of the state of the clamping jaw when opened in the embodiment of the application.

Fig. 4 is a schematic view of the state of the clamping jaw when being closed in the embodiment of the application.

Reference numerals: 1. a mounting frame; 2. a main roller; 3. an auxiliary roller; 4. a clamping jaw; 5. a fixing ring; 6. a reinforcing plate; 7. a reinforcing plate; 8. nylon cushion blocks; 9. a pushing block; 10. a first link; 11. a second link; 12. an electric push rod; 13. a synchronization block; 14. a connecting rod; 15. a bracket; 16. a rotating shaft; 17. a double-ended screw; 18. a threaded sleeve; 19. a grip block; 20. a second shaft; 21. a third shaft; 22. a nut; 23. plugging the column; 24. a base; 25. arc cushion blocks; 26. a fixed block; 27. a bolt; 28. and (5) supporting blocks.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a lifting appliance with clamping function.

Referring to fig. 1 and 2, a lifting appliance with a clamping function comprises a mounting frame 1, wherein the mounting frame 1 is rotationally connected with a main roller 2 and a secondary roller 3 which are parallel to each other, two ends of the main roller 2 and the secondary roller 3 are fixedly connected with L-shaped clamping jaws 4, and two clamping jaws 4 corresponding to each other are symmetrically arranged relative to a vertical symmetry plane between the main roller 2 and the secondary roller 3. The top of the clamping jaw 4 is fixedly connected with a fixed ring 5, and the fixed ring 5 is sleeved and fixed on the circumference side of the main roller 2 or the auxiliary roller 3. The opposite two sides of the clamping jaw 4 are fixedly connected with reinforcing plates 6, the reinforcing plates 6 are fixedly connected with reinforcing plates 7 at corners of the clamping jaw 4, and one side of the clamping jaw 4, which is in contact with a workpiece, is fixedly connected with a nylon cushion block 8.

Referring to fig. 1 and 2, the main roller 2 is fixedly connected with a push block 9 and a first connecting block 10, the auxiliary roller 3 is fixedly connected with a second connecting block 11, the mounting frame 1 is fixedly connected with an electric push rod 12, the axial direction of the electric push rod 12 is inclined upwards along the horizontal direction and is perpendicular to the axial direction of the main roller 2, the electric push rod 12 is hinged with the tail end of the push block 9 with a first shaft, and a synchronous assembly for enabling the first connecting block 10 and the second connecting block 11 to swing opposite to or away from each other is arranged between the main roller 2 and the auxiliary roller 3.

Referring to fig. 2 and 3, the synchronizing assembly comprises a zigzag synchronizing block 13 and two connecting rods 14, a bracket 15 is arranged on the mounting frame 1, a rotating shaft 16 is rotatably connected with the bracket 15 at the center of the synchronizing block 13, the axial direction of the rotating shaft 16 is parallel to the axial direction of the main roller 2 and is positioned on a vertical symmetrical plane between the main roller 2 and the auxiliary roller 3, the two connecting rods 14 are respectively hinged to two ends of the synchronizing block 13, the connecting rod 14 below the rotating shaft 16 is hinged to the first connecting block 10, and the connecting rod 14 above the rotating shaft 16 is hinged to the second connecting block 11.

The electric push rod 12 stretches to drive the push block 9 to swing along the direction deviating from the electric push rod 12, the push block 9 drives the main roller 2, the first connecting block 10 and the two clamping jaws 4 on the main roller 2 to rotate anticlockwise, the first connecting block 10 drives the synchronous block 13 to rotate clockwise through the connecting rod 14 connected with the first connecting block, the synchronous block 13 drives the second connecting block 11 to swing clockwise through the other connecting rod 14, the second connecting block 11 drives the auxiliary roller 3 and the two clamping jaws 4 on the auxiliary roller 3 to rotate clockwise,

even if the clamping jaws 4 on the main roller 2 and the auxiliary roller 3 swing along the directions deviating from each other, the effect of synchronously driving the two clamping jaws 4 to open is realized.

The electric push rod 12 contracts, so that the push block 9 drives the main roller 2, the first connecting block 10 and the two clamping jaws 4 on the main roller 2 to rotate clockwise, the first connecting block 10 drives the second connecting block 11 to swing anticlockwise through the two connecting rods 14 and the synchronizing block 13, and the second connecting block 11 drives the auxiliary roller 3 and the two clamping jaws 4 on the auxiliary roller 3 to rotate anticlockwise, so that the effect of synchronously driving the two clamping jaws 4 to swing towards each other to fold is achieved.

The clamping jaw 4 of each group can be controlled to synchronously open or close only by driving the electric push rod 12, the effect of reducing the equipment cost is realized, and the clamping jaw 4 of each group is favorable for keeping synchronization. The reinforcing plate 6 is used for improving the structural strength of the clamping jaw 4, the reinforcing plate 7 is arranged at the corner of the clamping jaw 4, the structural strength of the clamping jaw 4 is further improved, the nylon cushion block 8 is in direct contact with a workpiece, and the clamping jaw 4 is prevented from scratching the workpiece.

Referring to fig. 2 and 3, in order to facilitate the control of the opening and closing of the clamping jaw 4, the connecting rod 14 is composed of a double-headed screw 17 and threaded sleeves 18 screwed on both ends of the double-headed screw 17, a polygonal holding block 19 is fixedly connected to the circumference of the double-headed screw 17, a second shaft 20 is hinged to the threaded sleeve 18 close to the synchronizing block 13 and the synchronizing block 13, two threaded sleeves 18 far from the synchronizing block 13 are in one-to-one correspondence with the first connecting block 10 and the second connecting block 11 and are hinged to a third shaft 21, and the axial directions of the first shaft, the second shaft 20, the third shaft 21 and the rotating shaft 16 are all parallel to the axial direction of the main roller 2.

Referring to fig. 3 and 4, nuts 22 are screwed to both ends of the double-ended screw 17, and the nuts 22 are located outside the threaded sleeve 18. The end of the threaded sleeve 18, which is far away from the double-ended screw 17, is fixedly connected with a bearing (not shown in the figure), the bearing is sleeved and fixed on the circumferential side of the corresponding second shaft 20 or third shaft 21, the threaded sleeve 18 is provided with an oil filling hole communicated with a cavity where balls of the bearing are located, the threaded sleeve is provided with a blocking column 23 at the oil filling hole, and the blocking column 23 is made of rubber materials and is in interference fit with the oil filling hole.

The gripping block 19 is used for conveniently screwing the double-headed screw 17, the double-headed screw 17 is screwed, so that the two ends of the double-headed screw 17 simultaneously slide into or slide out of the two threaded sleeves 18, the length of the connecting rod 14 is adjusted, when the connecting rod 14 is adjusted to the required length, the nut 22 is screwed to be abutted against the end part of the threaded sleeve 18, the double-headed screw 17 can be prevented from continuing to rotate, and the length of the connecting rod 14 is fixed.

The rotation amplitude of the main roller 2 and the auxiliary roller 3 can be adjusted by adjusting the length of the connecting rod 14, so that the opening and closing degree of the clamping jaw 4 is controlled, and the clamping jaw 4 is beneficial to clamping workpieces of different types. The oil filling hole is convenient for adding lubricating oil to the ball position facing the bearing, so that the bearing is kept smooth, the connecting rod 14 can swing around the second shaft 20 or the third shaft 21 smoothly, the electric push rod 12 can drive the two groups of clamping jaws 4 to open and close smoothly, the oil filling hole is convenient to block by using the blocking column 23, and the lubricating oil is prevented from overflowing.

Referring to fig. 2, in order to more firmly support the main roller 2 by the mounting frame 1, a base 24 is provided at the bottom of the bracket 15, the base 24 is fixedly connected to the mounting frame 1, two arc-shaped cushion blocks 25 are provided on the base 24, and the arc-shaped cushion blocks 25 are positioned at one side of the main roller 2 away from the electric push rod 12 and are abutted with the circumferential side of the obliquely downward part of the main roller 2.

Referring to fig. 2, a base 24 is provided with an adjusting assembly for adjusting the position of an arc-shaped cushion block 25, the adjusting assembly comprises a fixed block 26 and a bolt 27, the fixed block 26 is fixedly connected with the base 24, the bolt 27 is threaded through the fixed block 26, the bolt 27 is located on one side, deviating from the electric push rod 12, of the arc-shaped cushion block 25, a supporting block 28 is rotatably connected to the threaded end of the bolt 27, and the arc-shaped cushion block 25 is fixedly connected with the supporting block 28.

Because the electric push rod 12 applies force to the main roller 2 through the push block 9, the two arc-shaped cushion blocks 25 are abutted with the obliquely downward circumferential side of the main roller 2, two supporting points are provided for the main roller 2, namely the mounting frame 1 is enabled to support the main roller 2 more firmly. Screwing the bolt 27 makes the bolt 27 drive the supporting block 28 and the arc cushion block 25 to move towards or away from the main roller 2, and the supporting block 28 is rotationally connected with the bolt 27, so that the arc cushion block 25 is prevented from rotating, the degree of interference between the arc cushion block 25 and the main roller 2 is convenient to adjust, and the main roller 2 can smoothly rotate when the main roller 2 is supported by the arc cushion block 25.

The implementation principle of the lifting appliance with the clamping function in the embodiment of the application is as follows:

the electric push rod 12 is extended, so that the push block 9 drives the main roller 2, the first connecting block 10 and the two clamping jaws 4 on the main roller 2 to rotate anticlockwise, the first connecting block 10 pushes the second connecting block 11 to swing clockwise through the two connecting rods 14 and the synchronizing block 13, and the second connecting block 11 drives the auxiliary roller 3 and the two clamping jaws 4 on the auxiliary roller 3 to rotate clockwise, so that the effect of synchronously driving the two clamping jaws 4 to open is achieved; the electric push rod 12 is contracted, so that the push block 9 drives the main roller 2, the first connecting block 10 and the two clamping jaws 4 on the main roller 2 to rotate clockwise, and the second connecting block 11 drives the auxiliary roller 3 and the two clamping jaws 4 on the auxiliary roller 3 to rotate anticlockwise, thereby realizing the effect of synchronously driving the two clamping jaws 4 to fold.

The double-end screw 17 is screwed so that the two ends of the double-end screw 17 simultaneously slide in or slide out of the two threaded sleeves 18 to adjust the length of the connecting rod 14, and when the connecting rod 14 is adjusted to the required length, the nut 22 is screwed down so that the length of the connecting rod 14 is fixed, thereby being convenient for controlling the opening and closing degree of the clamping jaw 4 and facilitating the clamping jaw 4 to clamp workpieces with different types; screwing the bolt 27 enables the bolt 27 to drive the arc-shaped cushion block 25 to be abutted with the obliquely-downward circumferential side of the main roller 2, and is beneficial to ensuring that the main roller 2 can smoothly rotate when the main roller 2 is supported by the arc-shaped cushion block 25.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. Lifting appliance with clamping function, and is characterized in that: including mounting bracket (1), mounting bracket (1) rotates and is connected with main roller (2) and vice roller (3) that are parallel to each other, main roller (2) with the both ends of vice roller (3) are all fixedly connected with clamping jaw (4), main roller (2) fixedly connected with ejector pad (9) and first connecting piece (10), vice roller (3) fixedly connected with second connecting piece (11), mounting bracket (1) is provided with electric putter (12), electric putter (12) with the tail end of ejector pad (9) articulates there is first axle, main roller (2) with be provided with between vice roller (3) and be used for making first connecting piece (10) with second connecting piece (11) are opposite to or are opposite to each other the synchronization subassembly of wobbling, synchronization subassembly includes synchronous piece (13) and two connecting rod (14) of "Z" font, be provided with support (15) on mounting bracket (1), the center department of synchronous piece (13) with the tail end of ejector pad (9) articulates there is first axle, two connecting rod (16) are connected with pivot (14) respectively, the connecting rod (14) above the rotating shaft (16) is hinged with the second connecting block (11).

2. The spreader with gripping function according to claim 1, characterized in that: the connecting rod (14) comprises double-end screw rod (17) and threaded connection in threaded sleeve (18) at double-end screw rod (17) both ends, is close to threaded sleeve (18) of synchronizing block (13) with synchronizing block (13) articulates there is second shaft (20), keeps away from threaded sleeve (18) of synchronizing block (13) with first piece (10) with second piece (11) one-to-one just articulates there is third shaft (21), first shaft second shaft (20), third shaft (21) and the axial of pivot (16) all with the axial of main roller (2) is parallel to each other.

3. The spreader with gripping function according to claim 2, characterized in that: both ends of the double-end screw rod (17) are in threaded connection with nuts (22), and the nuts (22) are located outside the threaded sleeve (18).

4. The spreader with gripping function according to claim 2, characterized in that: the one end that threaded sleeve (18) kept away from double-end screw rod (17) is provided with the bearing, the bearing housing is located corresponding second shaft (20) or the week side of third shaft (21), threaded sleeve (18) offer with the tank filler hole of the cavity intercommunication that the ball of bearing is located, threaded housing locates tank filler hole department is provided with blocking post (23).

5. The spreader with gripping function according to claim 1, characterized in that: the bottom of support (15) is provided with base (24), base (24) fixed connection in on mounting bracket (1), be provided with arc cushion (25) on base (24), arc cushion (25) are located main roll (2) deviate from one side of electric putter (12) and with the week side butt of the slant lower part of main roll (2), base (24) are provided with and are used for adjusting the adjusting part of the position of arc cushion (25).

6. The spreader with gripping function according to claim 5, characterized in that: the adjusting component comprises a fixed block (26) and a bolt (27), wherein the fixed block (26) is fixedly connected with the base (24), the bolt (27) is threaded through the fixed block (26), the bolt (27) is positioned on one side, deviating from the electric push rod (12), of the arc-shaped cushion block (25), a supporting block (28) is rotatably connected with a threaded end of the bolt (27), and the arc-shaped cushion block (25) is fixedly connected with the supporting block (28).

7. The spreader with gripping function according to claim 1, characterized in that: clamping jaw (4) set up to the L shape, clamping jaw (4) both sides that are relative are all fixedly connected with reinforcing plate (6), reinforcing plate (6) in clamping jaw (4) corner fixedly connected with reinforcing plate (7).

8. The spreader with gripping function according to claim 1, characterized in that: one side of the clamping jaw (4) contacted with the workpiece is fixedly connected with a nylon cushion block (8).