CN217974534U - Hydraulic rotary woodenware - Google Patents

Abstract

The utility model discloses a hydraulic pressure gyration wood clamping device, it belongs to engineering machine tool technical field. The hydraulic rotary wood clamping device overcomes the defect that a rotary joint is easy to damage due to the fact that the rotation centers of the lug plates and the middle body of the traditional hydraulic rotary wood clamping device in the prior art are not concentric. The main structure of the motor comprises an ear plate, a motor assembly, a rotary joint, a rotary support, an intermediate body, a three-jaw assembly and a two-jaw assembly, wherein the upper ends of the motor assembly and the rotary joint are connected with the ear plate, the ear plate is arranged on the upper end face of the rotary support, the motor assembly is in meshing transmission connection with the rotary support through a gear, the intermediate body is arranged on the lower end face of the rotary support, the three-jaw assembly and the two-jaw assembly are respectively arranged on two sides of the intermediate body through pin shafts, the lower end of the rotary joint is arranged on the intermediate body, and the lower end of the rotary joint is provided with an adjusting mechanism. The utility model discloses mainly used engineering machine tool such as excavator is last.

Description

Hydraulic rotary clamp

technical field

The utility model belongs to the technical field of engineering machinery, in particular to a hydraulic rotary clamp.

Background technique

The rotary joint of the hydraulic rotary clamp is a very important part. Its function is mainly the transition and distribution of the oil circuit, so that the oil pipe does not move or rotate during the rotation of the hydraulic rotary clamp. The rotary joint needs to be connected with the ear plate , the lower part is connected with the middle body, and the ear plate and the middle body are concentric during rotation, but due to processing errors, etc., there will be deviations between the ear plate and the middle body during rotation, resulting in non-concentricity. The existing fixing method is shown in Figure 6-7. The bending plate is rigidly connected by bolts, and the upper and lower sides are rigidly connected by bolts. It cannot compensate for the non-concentricity of the lug plate and the center of rotation of the intermediate body, which will cause damage to the rotary joint. Oil leakage will affect the service life and the displacement of the oil port interface.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a hydraulic rotary wood clamp, which adopts the shaft-hole gap fit mode, and uses the fit gap to compensate the non-concentric size deviation of the lug plate and the intermediate body, so that The rotation of the rotary joint ensures that the top and bottom are concentric, which avoids frequent failures of the rotary joint, reduces the failure rate, and prolongs the service life.

In order to achieve the above object, the utility model is achieved by adopting the following technical solutions:

A hydraulic rotary wood clamp, comprising ear plate, motor assembly, rotary joint, slewing support, intermediate body, three-jaw assembly and two-jaw assembly, the upper ends of the motor assembly and the rotary joint are connected to the ear plate, The lug plate is installed on the upper end surface of the slewing bearing, the motor assembly is meshed with the slewing bearing through the gear, the intermediate body is installed on the lower end surface of the slewing bearing, and the three-claw assembly and the two-claw assembly are respectively installed on the middle body through the pin shaft. On both sides, the lower end of the rotary joint is installed on the intermediate body, and the lower end of the rotary joint is provided with an adjustment mechanism.

Preferably, the adjustment mechanism includes a fixing seat and a connecting plate, the connecting plate is connected to the lower end of the rotary joint through a second hexagon socket head cap screw, and the fixing seat is installed on the lower end surface of the intermediate body through a first hexagon socket cap screw.

Preferably, the fixing seat is a stepped shaft, the connecting plate is provided with a mounting hole matching the shaft on the fixing seat, and the gap between the fixing seat and the shaft hole of the connecting plate is 0.5 mm.

Preferably, it also includes a first oil cylinder and a second oil cylinder, the two ends of the first oil cylinder are respectively connected with the three-claw assembly and the intermediate body, the two ends of the second oil cylinder are respectively connected with the two-claw assembly and the intermediate body, and the rotary The lower end of the joint is respectively connected with the first oil cylinder and the second oil cylinder through pipelines.

Compared with the prior art, the beneficial effects of the utility model are:

The clearance between the fixed seat and the shaft hole of the connecting plate is 0.5mm. The clearance fit between the shaft and the hole is adopted to compensate the non-concentric dimension deviation between the lug plate and the intermediate body by using the clearance, so that the rotation of the rotary joint can ensure that the upper and lower sides are concentric, avoiding the frequent rotation of the rotary joint. Failure occurs, the failure rate is reduced, the service life is prolonged, and the service efficiency of the utility model is improved.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is the sectional view of B-B in Fig. 2;

Fig. 4 is a schematic diagram of the installation structure of the regulating mechanism in the utility model;

Fig. 5 is the structural representation of connecting plate in the utility model;

Fig. 6 is a structural schematic diagram 1 when the rotary joint is installed in the prior art;

Fig. 7 is a structural schematic diagram II when the rotary joint is installed in the prior art.

In the figure: 1. Ear plate; 2. Motor assembly; 3. Swivel joint; 4. Slewing bearing; 5. Intermediate body; 6. First oil cylinder; 7. Three claw assembly; 8. Two claw assembly; 9 1. Fixed base; 10. Connecting plate; 11. First hexagon socket head screw; 12. Second hexagon socket head screw; 13. Second oil cylinder; 14. Mounting hole.

detailed description

The utility model will be further described below through specific embodiments in conjunction with the accompanying drawings.

Example 1:

As shown in Fig. 1-2, a hydraulic rotary clamp includes lug plate 1, motor assembly 2, rotary joint 3, rotary bearing 4, intermediate body 5, three-claw assembly 7 and two-claw assembly 8. The upper ends of the motor assembly 2 and the slewing joint 3 are connected to the ear plate 1, the ear plate 1 is installed on the upper end surface of the slewing support 4, the motor assembly 2 is meshed with the slewing support 4 through gears, and the intermediate body 5 is installed on the slewing support 4. The lower end surface of the support 4, the three-claw assembly 7 and the two-claw assembly 8 are hingedly connected to both sides of the intermediate body 5 through pin shafts, the lower end of the rotary joint 3 is installed on the intermediate body 5, and the rotary joint 3 The lower end is provided with an adjustment mechanism.

Example 2:

As shown in Figure 3-5, a hydraulic rotary clamp, the adjustment mechanism includes a fixed seat 9 and a connecting plate 10, the connecting plate 10 is connected to the lower end of the rotary joint 3 through a second hexagon socket head cap screw 12, and the fixed seat 9 passes through The first hexagon socket head cap screw 11 is mounted on the lower end surface of the intermediate body 5 .

The fixed seat 9 is a stepped shaft, and the connecting plate 10 is provided with a mounting hole 14 that matches the shaft on the fixed seat 9, that is, the shaft on the fixed seat 9 is installed in cooperation with the mounting hole 14, and the fixed seat 9 and the connecting plate 10 The shaft hole fit clearance is 0.5mm.

It also includes a first oil cylinder 6 and a second oil cylinder 13, the two ends of the first oil cylinder 6 are respectively connected with the three claw assembly 7 and the intermediate body 5, and the two ends of the second oil cylinder 13 are connected with the two claw assembly 8 and the middle body respectively. The body 5 is connected, and the lower end of the swivel joint 3 is respectively connected with the first oil cylinder 6 and the second oil cylinder 13 through pipelines. Other parts are identical with embodiment 1.

The working principle of the utility model is:

The ear plate 1 is connected with the excavator, the motor assembly 2 is started, and the motor assembly 2 is meshed with the slewing bearing 4 through gears to drive the rotation of the slewing bearing 4, which in turn drives the three-claw assembly 7 and the two-claw assembly 8 to rotate. At the same time, the excavator supplies oil, and the oil enters the first oil cylinder 6 and the second oil cylinder 13 through the swivel joint 3 and the branch pipeline, and the three-jaw assembly 7 and the two-jaw assembly 8 are opened and closed.

The fit gap between the fixed seat 9 and the connecting plate 10 is 0.5 mm. Even if the lug plate 1 and the intermediate body 5 are not concentric due to processing errors and other reasons, it will still be compensated by the fit gap of 0.5 mm. Use the fit gap to compensate the lug The non-concentric size deviation of the plate 1 and the intermediate body 5 avoids the frequent failure of the rotary joint 3, reduces the failure rate, prolongs the service life, and improves the use efficiency of the utility model.

Claims (4)

1. The utility model provides a hydraulic pressure gyration wood clamp which characterized in that: including otic placode (1), motor assembly (2), rotary joint (3), slewing bearing (4), midbody (5), three-jaw assembly (7) and two-jaw assembly (8), the upper end of motor assembly (2) and slewing joint (3) all is connected with otic placode (1), and the up end at slewing bearing (4) is installed in otic placode (1), and motor assembly (2) are connected through gear and slewing bearing (4) meshing transmission, and the lower terminal surface at slewing bearing (4) is installed in midbody (5), and three-jaw assembly (7) and two-jaw assembly (8) are respectively through the both sides of round pin axle installation at midbody (5), the lower extreme of slewing joint (3) is installed on midbody (5), and the lower extreme of slewing joint (3) is equipped with adjustment mechanism.

2. The hydraulic rotary wood clamping device according to claim 1, wherein: the adjusting mechanism comprises a fixed seat (9) and a connecting plate (10), the connecting plate (10) is connected with the rotary joint (3) through a second inner hexagonal screw (12), and the fixed seat (9) is installed on the lower end face of the intermediate body (5) through a first inner hexagonal screw (11).

3. The hydraulic rotary wood clamp of claim 2, wherein: fixing base (9) are the step shaft, are equipped with on connecting plate (10) with fixing base (9) epaxial matched with mounting hole (14), the shaft hole fit clearance of fixing base (9) and connecting plate (10) is 0.5mm.

4. The hydraulic rotary carpentry clamp of claim 2 or 3, wherein: the hydraulic clamping device is characterized by further comprising a first oil cylinder (6) and a second oil cylinder (13), wherein two ends of the first oil cylinder (6) are respectively connected with the three-jaw assembly (7) and the intermediate body (5), two ends of the second oil cylinder (13) are respectively connected with the two-jaw assembly (8) and the intermediate body (5), and the lower end of the rotary joint (3) is respectively connected with the first oil cylinder (6) and the second oil cylinder (13) through pipelines.

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