Hinge shaft fixing tool for hydraulic oil cylinder production

Abstract

The utility model provides a hinge shaft fixing tool for hydraulic oil cylinder production, and relates to the technical field of hydraulic oil cylinders. The hinge shaft fixing tool for hydraulic oil cylinder production comprises a hollow connecting plate, a clamping shaft and a supporting plate are installed on the two sides of the hollow connecting plate respectively, a clamping screw is arranged at the top of the supporting plate, and a displacement assembly is arranged between the clamping screw and the hollow connecting plate. According to the hinge shaft fixing tool for hydraulic oil cylinder production, a first worm is meshed with a first worm gear, the first worm gear drives a second threaded rod to rotate, the second threaded rod is in threaded connection with one mounting block, a clamping block slides downwards in a sliding groove, and the other mounting block slides on a long rod; and rubber anti-skid pads installed at the bottoms of the clamping blocks make contact with the shaft sleeves, so that the shaft sleeves can be rapidly fixed, the structure is matched with a displacement assembly, the shaft sleeves of different sizes can be rapidly fixed, a base plate does not need to be adopted for cooperation, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to a hinge shaft fixing tool, in particular to a hinge shaft fixing tool for producing hydraulic oil cylinders, and belongs to the technical field of hydraulic oil cylinders. Background Art

[0002] A dump truck is a vehicle that unloads goods by itself through hydraulic or mechanical lifting. It is also called a tipper. It consists of a car chassis, a hydraulic lifting mechanism, a cargo compartment, and a power take-off device. In civil engineering, dump trucks often work together with excavators, loaders, belt conveyors and other engineering machinery to form a loading, transporting and unloading production line to load, unload and transport earth, sand and gravel, and bulk materials.

[0003] The hinge shaft fixing tooling for the production of hydraulic cylinders of dump trucks, currently disclosed as CN213970053U, comprises a connecting plate and a clamping shaft arranged on the back of the connecting plate, the center line of the clamping shaft coincides with the center line of the connecting plate, a support plate is arranged on a side of the connecting plate away from the clamping shaft, the support plate is arranged close to the bottom of the connecting plate, a clamping screw is arranged at one end of the support plate away from the connecting plate, a clamping plate is arranged on the clamping screw, a slot is arranged on the clamping plate, the clamping plate is arranged on the clamping screw through the slot, the clamping plate and the clamping screw are coaxially arranged, a clamping block is arranged above the support plate, the clamping block and the connecting plate are detachably and fixedly connected, and the clamping block is arranged close to the top of the connecting plate.

[0004] In the above scheme, although there are many benefits, there are also the following disadvantages: considering that the sizes of the sleeves are different and the heights may be different, a pad is provided under the clamping plate, and a through hole is provided on the pad for the clamping screw to pass through. The setting of the pad ensures the fixing effect of the clamping block, but for sleeves of different sizes, pads of various thicknesses need to be prepared, and the appropriate pad must be selected and replaced according to the height of the sleeve before it can be fixed by the clamping block. This fixing operation is more troublesome, and also increases the production cost of the pad, which reduces the practicability of the device. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a hinge shaft fixing tool for hydraulic cylinder production in order to solve the above-mentioned problem, so as to solve the problem in the prior art that the shaft sleeves are of different sizes and may have different heights. For this reason, a pad is provided under the clamping plate, and a through hole is provided on the pad for the clamping screw to pass through. The fixing effect of the clamping block is ensured by the setting of the pad. However, for shaft sleeves of different sizes, pads of various thicknesses need to be prepared. The corresponding pad must be selected and replaced according to the height of the shaft sleeve so that it can be fixed by the clamping block. This fixing operation method is more troublesome, and also increases the production cost of the pad, which reduces the practicality of the device.

[0007] (II) Technical solution

[0008] The utility model is implemented through the following technical scheme: a hinge shaft fixing tool for hydraulic cylinder production comprises a hollow connecting plate, a clamping shaft and a support plate are respectively installed on both sides of the hollow connecting plate, a clamping screw is arranged on the top of the support plate, a displacement component is arranged between the clamping screw and the hollow connecting plate, a slide groove is opened on one side of the hollow connecting plate, the slide groove is communicated with the inside of the hollow connecting plate, a clamping block is arranged inside the hollow connecting plate, both sides of the clamping block are fixedly connected with mounting blocks, and a second screw is threadedly connected to the inner side of one of the mounting blocks A threaded rod, the outer side of the second threaded rod is rotatably connected to a support block, the support block is fixedly connected to one side of the inner side of the hollow connecting plate, the bottom end of the second threaded rod is fixedly connected to a first worm gear, the outer side of the first worm gear is meshingly connected to a first worm, one end of the first worm passes through the inner side of the hollow connecting plate and is rotatably connected to the hollow connecting plate, one end of the first worm is equipped with a first swivel, one end of the clamping block passes through the slide groove and extends to one side of the hollow connecting plate, the clamping block is in sliding contact with the hollow connecting plate, and a rubber anti-slip pad is installed at the bottom of the clamping block.

[0009] Preferably, a threaded ring is provided at the top of the clamping screw, the threaded ring is matched with the clamping screw, and a rubber anti-slip ring is installed at the bottom of the threaded ring. The provision of the rubber anti-slip ring can improve the stability of the fixing of the sleeve.

[0010] Preferably, a long rod is fixedly connected to the top of the support block, and the other mounting block is slidably connected to the outside of the long rod. The provision of the long rod further improves the stability of the clamping block moving up and down.

[0011] Preferably, the displacement assembly includes a cross slot and a cross block, the cross slot is opened at the top of the support plate, the cross block is arranged inside the cross slot and in sliding contact with the support plate, and the clamping screw is fixedly connected to the top of the cross block.

[0012] Preferably, the displacement assembly also includes a first bevel gear, which is arranged inside the hollow connecting plate, and a first threaded rod is fixedly connected to one side of the first bevel gear, one end of the first threaded rod passes through one side of the inside of the hollow connecting plate and the outside of the support plate in sequence and extends to the inside of the cross groove, the first threaded rod is rotatably connected to the hollow connecting plate and the support plate respectively, and the cross block is threadedly connected to the outside of the first threaded rod.

[0013] Preferably, the outer side of the first bevel gear is meshedly connected with the second bevel gear, one side of the second bevel gear is fixedly connected with a rotating rod, the outer side of the rotating rod is rotatably connected with a fixing plate, and the fixing plate is fixedly connected to one side of the inner part of the hollow connecting plate.

[0014] Preferably, one end of the rotating rod is fixedly connected to a second worm wheel, the outer side of the second worm wheel is meshingly connected to a second worm, one end of the second worm passes through the inner side of the hollow connecting plate and is rotatably connected to the hollow connecting plate, and one end of the second worm is installed with a second swivel.

[0015] The utility model provides a hinge shaft fixing tool for hydraulic cylinder production, which has the following beneficial effects:

[0016] 1. The hinged shaft fixing fixture for the production of the hydraulic cylinder has a first worm meshing with a first worm wheel, which drives the second threaded rod to rotate, and the second threaded rod is threadedly connected to one of the mounting blocks, and the clamping block slides downward in the slide groove, while the other mounting block slides on the long rod. The rubber anti-skid pad installed at the bottom of the clamping block contacts the shaft sleeve, so that the shaft sleeve can be quickly fixed. This structure, in conjunction with the displacement assembly, can realize the rapid fixing of shaft sleeves of various sizes without the need for a pad, thereby improving the practicability of the device.

[0017] 2. The hinge shaft fixing fixture for the production of the hydraulic cylinder rotates the second swivel in the forward direction, the second worm is meshed with the second worm wheel, the swivel rod drives the second bevel gear to rotate, the second bevel gear is meshed with the first bevel gear, the first threaded rod rotates inside the cross groove, the first threaded rod is threadedly connected to the cross block, and the clamping screw can be driven to move through the cross block. Therefore, this device can realize the left and right position adjustment of the clamping screw, and the position of the sleeve can be adjusted through the clamping screw so that the clamping block can be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a front view of the utility model;

[0020] Figure 3 This is a cross-sectional view of the hollow connecting plate of the utility model;

[0021] Figure 4 For this utility model Figure 3 A-section structure enlarged view.

[0022]

Main component symbol description

[0023] 1. Hollow connecting plate; 2. Clamping shaft; 3. Support plate; 4. Cross groove; 5. Cross block; 6. First threaded rod; 7. Clamping screw; 8. Threaded ring; 9. First bevel gear; 10. Second bevel gear; 11. Rotating rod; 12. Fixed plate; 13. Second worm gear; 14. Second worm; 15. Slide; 16. Clamping block; 17. Mounting block; 18. Second threaded rod; 19. Long rod; 20. Support block; 21. First worm gear; 22. First worm. DETAILED DESCRIPTION

[0024] The embodiment of the utility model provides a hinge shaft fixing tool for producing a hydraulic cylinder.

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a hollow connecting plate 1, a clamping shaft 2 and a support plate 3 are respectively installed on both sides of the hollow connecting plate 1, a clamping screw 7 is provided on the top of the support plate 3, a threaded ring 8 is provided on the top of the clamping screw 7, the threaded ring 8 is adapted to the clamping screw 7, a rubber anti-slip ring is installed at the bottom of the threaded ring 8, a displacement component is provided between the clamping screw 7 and the hollow connecting plate 1, a slide groove 15 is provided on one side of the hollow connecting plate 1, the slide groove 15 is communicated with the inside of the hollow connecting plate 1, a clamping block 16 is provided inside the hollow connecting plate 1, and mounting blocks 17 are fixedly connected on both sides of the clamping block 16, one of the mounting blocks 17 is threadedly connected to the inside of a second threaded rod 18, and the second threaded rod 18 is rotated on the outside A support block 20 is connected, and the support block 20 is fixedly connected to one side of the inside of the hollow connecting plate 1. A long rod 19 is fixedly connected to the top of the support block 20, and another mounting block 17 is slidably connected to the outside of the long rod 19. A first worm gear 21 is fixedly connected to the bottom end of the second threaded rod 18, and a first worm 22 is meshedly connected to the outside of the first worm gear 21. One end of the first worm gear 22 passes through the inner side of the hollow connecting plate 1 and is rotatably connected to the hollow connecting plate 1. A first swivel is installed at one end of the first worm gear 22. One end of the clamping block 16 passes through the slide groove 15 and extends to one side of the hollow connecting plate 1. The clamping block 16 is in sliding contact with the hollow connecting plate 1, and a rubber anti-slip pad is installed at the bottom of the clamping block 16.

[0026] Specifically, after the sleeve is put on the clamping screw 7, the displacement assembly will be further explained later through the setting of the displacement assembly, so that the clamping screw 7 can be adjusted to a certain position in the direction of the hollow connecting plate 1, so that the sleeve is under the clamping block 16, and the threaded ring 8 is first screwed on the outside of the clamping screw 7, and the sleeve is tightened after the rubber anti-slip ring contacts with the sleeve.

[0027] Afterwards, the first rotating ring is rotated forward, the first worm 22 is meshed with the first worm wheel 21, the first worm wheel 21 drives the second threaded rod 18 to rotate, the second threaded rod 18 is threadedly connected to one of the mounting blocks 17, the clamping block 16 slides downward in the slide groove 15, and the other mounting block 17 slides on the long rod 19, the rubber anti-skid pad installed at the bottom of the clamping block 16 contacts the shaft sleeve, so that the shaft sleeve can be quickly fixed, this structure, combined with the displacement assembly, can realize the rapid fixation of shaft sleeves of various sizes, without the need for a pad, thereby improving the practicability of the device.

[0028] See also Figure 1 , Figure 3 and Figure 4 The displacement assembly includes a cross slot 4 and a cross block 5. The cross slot 4 is opened at the top of the support plate 3. The cross block 5 is arranged inside the cross slot 4 and in sliding contact with the support plate 3. The clamping screw 7 is fixedly connected to the top of the cross block 5. The displacement assembly also includes a first bevel gear 9. The first bevel gear 9 is arranged inside the hollow connecting plate 1. One side of the first bevel gear 9 is fixedly connected to a first threaded rod 6. One end of the first threaded rod 6 passes through one side of the inside of the hollow connecting plate 1 and the outside of the support plate 3 in sequence and extends to the inside of the cross slot 4. The first threaded rod 6 rotates with the hollow connecting plate 1 and the support plate 3 respectively. Dynamic connection, the cross block 5 is threadedly connected to the outside of the first threaded rod 6, the outside of the first bevel gear 9 is meshedly connected to the second bevel gear 10, one side of the second bevel gear 10 is fixedly connected to a rotating rod 11, the outside of the rotating rod 11 is rotatably connected to a fixed plate 12, the fixed plate 12 is fixedly connected to one side of the inside of the hollow connecting plate 1, one end of the rotating rod 11 is fixedly connected to a second worm gear 13, the outside of the second worm gear 13 is meshedly connected to a second worm 14, one end of the second worm 14 passes through the inside of the hollow connecting plate 1 and is rotatably connected to the hollow connecting plate 1, and one end of the second worm 14 is installed with a second swivel.

[0029] Specifically, the second rotating ring is rotated in the forward direction, the second worm 14 is meshed with the second worm wheel 13, the rotating rod 11 drives the second bevel gear 10 to rotate, the second bevel gear 10 is meshed with the first bevel gear 9, the first threaded rod 6 rotates inside the cross groove 4, the first threaded rod 6 is threadedly connected to the cross block 5, and the clamping screw 7 can be driven to move through the cross block 5. Therefore, this device can realize the left and right position adjustment of the clamping screw 7, and the position of the sleeve can be adjusted through the clamping screw 7 so that the clamping block 16 can be fixed.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A hinge shaft fixing tool for hydraulic cylinder production, comprising a hollow connecting plate (1), characterized in that: A clamping shaft (2) and a support plate (3) are respectively installed on both sides of the hollow connecting plate (1), a clamping screw (7) is provided on the top of the support plate (3), a displacement assembly is provided between the clamping screw (7) and the hollow connecting plate (1), a slide groove (15) is provided on one side of the hollow connecting plate (1), the slide groove (15) is communicated with the inside of the hollow connecting plate (1), a clamping block (16) is provided inside the hollow connecting plate (1), both sides of the clamping block (16) are fixedly connected with mounting blocks (17), one of the mounting blocks (17) is threadedly connected to a second threaded rod (18) on the inner side, and the outer side of the second threaded rod (18) is rotatably connected to the support block (20), the support block (20) is fixedly connected to one side of the inside of the hollow connecting plate (1), the bottom end of the second threaded rod (18) is fixedly connected to a first worm gear (21), the outer side of the first worm gear (21) is meshingly connected to a first worm (22), one end of the first worm (22) passes through the inner side of the hollow connecting plate (1) and is rotatably connected to the hollow connecting plate (1), one end of the first worm (22) is installed with a first swivel, one end of the clamping block (16) passes through the slide groove (15) and extends to one side of the hollow connecting plate (1), the clamping block (16) is in sliding contact with the hollow connecting plate (1), and a rubber anti-slip pad is installed at the bottom of the clamping block (16).

2. The hinge shaft fixing tool for hydraulic cylinder production according to claim 1 is characterized in that: The top of the clamping screw (7) is provided with a threaded ring (8), the threaded ring (8) is adapted to the clamping screw (7), and the bottom of the threaded ring (8) is provided with a rubber anti-slip ring.

3. The hinge shaft fixing tool for hydraulic cylinder production according to claim 1 is characterized in that: The top of the support block (20) is fixedly connected to a long rod (19), and the other mounting block (17) is slidably connected to the outside of the long rod (19).

4. The hinge shaft fixing tool for hydraulic cylinder production according to claim 1 is characterized in that: The displacement assembly comprises a cross slot (4) and a cross block (5), wherein the cross slot (4) is opened at the top of the support plate (3), the cross block (5) is arranged inside the cross slot (4) and is in sliding contact with the support plate (3), and the clamping screw (7) is fixedly connected to the top of the cross block (5).

5. The hinge shaft fixing tool for hydraulic cylinder production according to claim 4 is characterized in that: The displacement assembly further comprises a first bevel gear (9), the first bevel gear (9) being arranged inside the hollow connecting plate (1), a first threaded rod (6) being fixedly connected to one side of the first bevel gear (9), one end of the first threaded rod (6) successively passing through one side of the inside of the hollow connecting plate (1) and the outside of the support plate (3) and extending to the inside of the cross groove (4), the first threaded rod (6) being rotatably connected to the hollow connecting plate (1) and the support plate (3), respectively, and the cross block (5) being threadedly connected to the outside of the first threaded rod (6).

6. The hinge shaft fixing tool for hydraulic cylinder production according to claim 5, characterized in that: The first bevel gear (9) is meshingly connected to a second bevel gear (10) on its outer side, a rotating rod (11) is fixedly connected to one side of the second bevel gear (10), a fixing plate (12) is rotatably connected to the outer side of the rotating rod (11), and the fixing plate (12) is fixedly connected to one side of the interior of the hollow connecting plate (1).

7. The hinge shaft fixing tool for hydraulic cylinder production according to claim 6 is characterized in that: One end of the rotating rod (11) is fixedly connected to a second worm wheel (13); the outer side of the second worm wheel (13) is meshingly connected to a second worm (14); one end of the second worm (14) passes through the inner side of the hollow connecting plate (1) and is rotatably connected to the hollow connecting plate (1); and one end of the second worm (14) is mounted with a second rotating ring.

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