CN208532142U - A kind of high temperature resistant lift truck attachment device for revolving and driving - Google Patents

Abstract

The utility model discloses a kind of high temperature resistant lift truck attachment device for revolving and driving, are related to technical field of mechanical transmission.The revolution driving includes shell, pivoting support component, transmission component and dynamical element；The shell includes bottom plate, pivoting support limit hole and transmission limit hole, and pivoting support limit hole is fixed on the bottom plate, and the both ends of the transmission limit hole are respectively equipped with bearing hole；Pivoting support component is fixed in the pivoting support limit hole；Fixed conveyor component in the transmission limit hole and bearing hole；The dynamical element connects transmission component；The pivoting support component connects transmission component by the opening between transmission limit hole and pivoting support limit hole.High temperature resistant lift truck attachment described in the utility model has good high temperature resistance and sealing performance with device for revolving and driving, revolution driving is effectively guaranteed to use in the environment of high temperature, more dirt, improve service life, the continuous operation time for improving revolution driving, to improve work efficiency.

Description

A kind of high temperature resistant lift truck attachment device for revolving and driving

Technical field

The utility model relates to technical field of mechanical transmission more particularly to a kind of high temperature resistant lift truck attachment to be filled with revolution driving It sets.

Background technique

Revolution driving is made of components such as worm screw, pivoting support, shell, motors.Since main component uses pivoting support, Therefore axial force, radial force, tilting moment can be born simultaneously.Revolution driving is compared with traditional revolution class product, has peace Dress is easy, easy to maintain, saves installation space to a greater extent.It is widely used in autocrane, portal crane, railway to rise Heavy-duty machine, ship's crane, container crane, crane for steelworks use, excavator, bottle placer, nautical instrument, high-altitude operation vehicle, radar, Sun-following solar electricity generation system, engineering machinery and new energy field etc..Revolution driving is the necessary parts of fork truck, when fork truck with In high temperature, more dirt environment when, pivoting support is easily contaminated by dust, and bears the high revolving speed worm screw of high-strength torque under high temperature environment More easy to wear bad, common lubricating grease can not adapt to hot environment, so that reducing revolution driving obtains service life；It pitches simultaneously The vehicle continuous operation time is short, seriously affects working efficiency.

Summary of the invention

To solve the above problems, the utility model proposes a kind of high temperature resistant lift truck attachments is filled with revolution driving It sets, which has good high temperature resistance and sealing performance, is effectively guaranteed revolution driving in high temperature, more dirt It is used under environment, improves service life, the continuous operation time of revolution driving is improved, to improve work efficiency.

To achieve the goals above, the utility model uses following scheme, including shell, pivoting support component, transmission group Part and dynamical element；The shell includes bottom plate, pivoting support limit hole and transmission limit hole, fixed revolution branch on the bottom plate Limit hole is held, the both ends of the pivoting support limit hole central axis bottom plate, the transmission limit hole are respectively equipped with bearing hole, Two pairs of connecting plates are symmetrically fixed at the back side of the bottom plate；The centre of the bottom plate is equipped with notch, and the connecting plate is equipped with several The connecting hole of forklift truck transverse beam is connected, is provided with circular limit rabbet groove, the limit on the bottom plate in the pivoting support limit hole The bottom surface of position rabbet groove is circumferentially equipped with several first threaded holes, fixed conveyor limit hole on the pivoting support limit hole, institute The central axis for stating transmission limit hole is transversely parallel to bottom plate, is equipped with and opens between the transmission limit hole and pivoting support limit hole Mouthful；Pivoting support component is fixed in the pivoting support limit hole；Fixed conveyor component in the transmission limit hole and bearing hole； The dynamical element connects transmission component；The pivoting support component passes through between transmission limit hole and pivoting support limit hole Opening connection transmission component.

Further, the pivoting support component includes ring gear, outer ring, inner ring, steel ball and retainer, on the ring gear Even to be equipped with several axial thread blind holes, the outer ring is equipped with several stepped holes and several tapped through holes, on the inner ring uniformly Equipped with several stepped holes, screw passes through outer ring stepped hole and fixes ring gear, and the inner ring lower end is stuck in limit rabbet groove, and Pair is bolted to be fixed on bottom plate；The transmission component includes first bearing lid, first bearing, worm screw, second bearing With second bearing lid, the first bearing and second bearing are separately fixed at two bearings hole inner ring surface, and the worm screw setting is passing In dynamic limit hole, inner ring inner ring surface of the left and right ends outer wall of the worm screw respectively with first bearing and second bearing is fixed, institute It states first bearing and covers tightly and be pressed on the left side of left side first bearing, the second bearing covers tightly the second bearing for being pressed in the right On right side, the first bearing lid and second bearing lid are fixed on transmission limit hole；The worm screw is meshed with ring gear.

Further, the first labyrinth seal structure and the second labyrinth seal structure are equipped between the outer ring and inner ring；Institute Stating the first labyrinth seal structure includes first annular slot and first annular protrusion, and outer ring inner ring face upper end extends to central axis The downward first annular slot of notch is formed, the outer edge of plane upwardly extends to form first annular protrusion on the inner ring, described First annular protrusion is embedded in first annular slot；Second labyrinth seal structure includes the second annular groove and the second annular protrusion, Inner ring outer ring surface lower end extends to form the second upward annular groove of notch, the outer edge of the outer ring lower plane to central axis It is downwardly extending the second annular protrusion, second annular protrusion is embedded in the second annular groove.

Further, the section of the first annular slot and first annular protrusion is trapezoidal；Second annular groove and The section of second ring protrusion is inverted trapezoidal.

Further, the first sealing structure is equipped between the outer ring and pivoting support limit hole；First sealing structure Including the annular groove and the first rectangular seal on the outer ring surface of outer ring, the outer ring surface of first rectangular seal is close to pivoting support The inner ring surface of limit hole inner ring surface, first rectangular seal is close to worm screw annular bottom surface.

Further, second seals structure is respectively equipped at the cooperation of first bearing lid and second bearing lid and bearing hole； The second seals structure includes a pair of of annular protrusion and a pair of " O " type sealing ring, and the section of two annular protrusion is " L " Shape, two annular protrusion form groove with first bearing lid and second bearing lid respectively, and " O " the type sealing ring is located at groove Interior, two annular protrusion is embedded in bearing hole, and " O " the type sealing ring is close to two bearings hole inner ring surface.

Further, third sealing structure is equipped at the cooperation of the second bearing lid and worm screw；The third sealing knot Structure includes the annular notch and " V " shape sealing ring being arranged in second bearing lid left plane, and the " V " shape sealing ring is located at annular and lacks Mouthful, the inward flange of the " V " shape sealing ring is close to worm screw outer wall.

Further, the second rectangular seal, second rectangular seal are equipped at the cooperation of the worm screw and bearing hole The outer ring surface of the rectangular in cross-section of circle, second rectangular seal is close to bearing hole inner ring surface, second rectangular seal Inner ring surface be close to worm screw outer ring surface.

Further, the worm screw is aluminium bronze material resistant to high temperature；The steel ball surface is coated with lubricating grease, described Lubricating grease is ball bearing grease resistant to high temperature；The retainer is A steel.

Further, the dynamical element is fixed by screws in bearing hole left side, the dynamical element and transmission group It is driven between part by key；The dynamical element is motor.

The advantages of high temperature resistant lift truck attachment device for revolving and driving described in the utility model is: (1) worm gear is aluminium Bronze material has high-temperature stability and good wearability and seizure resistance, reduces the abrasion of worm and gear teeth portion, into And improve the service life of revolution driving；(2) steel ball surface is coated with lubricating grease, and the lubricating grease is ball bearing lubrication Rouge is commonly used in the friendship of the high temperature frictions such as locomotive, the guide rod ball bearing of lorry, automobile since ball bearing grease is in ointment shape At point, so ball bearing grease can guarantee that revolution driving lubricates at high temperature, to improve service life；(3) it tells back Turn bearing and use labyrinth seal structure, since ball bearing grease is in ointment shape, so ball bearing grease can be in labyrinth Formation grease seal is conducive to dust-proof in gap, and convenient for the waste oil inside exclusion when grease injection；(4) retainer It is not easy to wear, permanent durable for A3 steel, the service life of pivoting support is improved, to improve the use longevity of revolution driving Life.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of high temperature resistant lift truck attachment device for revolving and driving described in the utility model.

Fig. 2 is the schematic diagram of housing structure of high temperature resistant lift truck attachment device for revolving and driving described in Fig. 1.

Fig. 3 is the shell schematic cross-sectional view of high temperature resistant lift truck attachment device for revolving and driving described in Fig. 1.

Fig. 4 is the pivoting support component structure diagram of high temperature resistant lift truck attachment device for revolving and driving described in Fig. 1.

Fig. 5 is the half section structure diagram of high temperature resistant lift truck attachment device for revolving and driving described in Fig. 1.

Fig. 6 is the enlarged diagram of part-structure in Fig. 5.

Fig. 7 is the structural schematic diagram of the transmission component of high temperature resistant lift truck attachment device for revolving and driving described in Fig. 1.

Fig. 8 is the enlarged diagram of part-structure in Fig. 7.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing, so that those skilled in the art can be more Add and be apparent from, as shown in Fig. 1, Fig. 1 and Fig. 3, the utility model uses following scheme, including shell 1, pivoting support component 2, transmission component 3 and dynamical element 4；The shell 1 includes bottom plate 1.1, pivoting support limit hole 1.2 and transmission limit hole 1.3, Pivoting support limit hole 1.2, the 1.2 central axis bottom plate 1.1 of pivoting support limit hole, institute are fixed on the bottom plate 1.1 The both ends for stating transmission limit hole 1.3 are respectively equipped with bearing hole 1.4, and two pairs of connecting plates are symmetrically fixed at the back side of the bottom plate 1.1 1.5；The centre of the bottom plate 1.1 is equipped with notch 1.6, and the connecting plate 1.5 is equipped with the connecting hole of several connection forklift truck transverse beams 1.7, circular limit rabbet groove 1.8, the limit rabbet groove are provided on the bottom plate 1.1 in the pivoting support limit hole 1.2 1.8 bottom surface is circumferentially equipped with several first threaded holes 1.9, fixed conveyor limit hole on the pivoting support limit hole 1.2 1.3, the central axis of the transmission limit hole 1.3 is transversely parallel to bottom plate 1.1, and the transmission limit hole 1.3 is limited with pivoting support Position is equipped with opening between hole 1.2；Pivoting support component 2 is fixed in the pivoting support limit hole 1.2；The transmission limit hole 1.3 and bearing hole 1.4 in fixed conveyor component 3；The dynamical element 4 connects transmission component 3；The pivoting support component 2 is logical Cross the opening connection transmission component 3 between transmission limit hole 1.3 and pivoting support limit hole 1.2.

The pivoting support component 2 as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8 includes ring gear 2.1, outer ring 2.2, inner ring 2.3, steel ball 2.4 and retainer 2.5 are uniformly provided with several axial thread blind holes on the ring gear 2.1, and the outer ring 2.2 is set There are several stepped holes and several tapped through holes, several stepped holes are uniformly provided on the inner ring 2.3, screw passes through 2.2 rank of outer ring Terraced hole is fixed by ring gear 2.1, and 2.3 lower end of inner ring is stuck in limit rabbet groove 1.8, and secondary fixation is bolted On bottom plate 1.1；The transmission component 3 includes first bearing lid 3.1, first bearing 3.2, worm screw 3.3,3.4 and of second bearing Second bearing lid 3.5, the first bearing 3.2 and second bearing 3.4 are separately fixed at 1.4 inner ring surface of two bearings hole, the snail Bar 3.3 setting transmission limit hole 1.3 in, the left and right ends outer wall of the worm screw 3.3 respectively with first bearing 3.2 and the second axis The inner ring inner ring surface for holding 3.4 is fixed, and the first bearing lid 3.1 is pressed on the left side of left side first bearing 3.2, and described Two bearing caps 3.5 are pressed on the right side of the second bearing 3.4 on the right, the first bearing lid 3.1 and second bearing lid 3.5 It is fixed on transmission limit hole 1.3；The worm screw 3.3 is meshed with ring gear 2.1.

As shown in Figure 4, Figure 5 and Figure 6, the first labyrinth seal structure 5 and the are equipped between the outer ring 2.2 and inner ring 2.3 Two labyrinth seal structures 6；First labyrinth seal structure 5 includes first annular slot 5.1 and first annular raised 5.2, described 2.2 inner ring surface upper end of outer ring extends to form the downward first annular slot 5.1 of notch to central axis, plane on the inner ring 2.3 Outer edge upwardly extends to form first annular raised 5.2, the first annular slot 5.1 of first annular raised 5.2 insertion；Described Two labyrinth seal structures 6 include the second annular groove 6.1 and the second annular protrusion 6.2, and the 2.3 outer ring surface lower end of inner ring is to center Axis extends to form the second upward annular groove 6.1 of notch, and the outer edge of 2.2 lower plane of outer ring is downwardly extending the second ring Shape protrusion 6.2, second annular protrusion 6.2 are embedded in the second annular groove 6.1.The first annular slot 5.1 and first annular convex It is trapezoidal for playing 5.2 section；The section of second annular groove 6.1 and the second annular protrusion 6.2 is inverted trapezoidal.The outer ring The first sealing structure 7 is equipped between 2.2 and pivoting support limit hole 1.2；First sealing structure 7 includes 2.2 outer ring surface of outer ring On annular groove 7.1 and the first rectangular seal 7.2, the outer ring surface of first rectangular seal 7.2 is close to pivoting support limit The inner ring surface of 1.2 inner ring surface of hole, first rectangular seal 7.2 is close to 3.3 annular bottom surface of worm screw.

As shown in Figure 7 and Figure 8, it is set respectively at first bearing lid 3.1 and second bearing lid 3.5 and the cooperation of bearing hole 1.4 There is second seals structure 8；The second seals structure 8 includes a pair of of annular protrusion 8.1 and a pair of " O " type sealing ring 8.2, described The section of two annular protrusions 8.1 be L shape, two annular protrusion 8.1 respectively with first bearing lid 3.1 and second bearing lid 3.5 form groove, and " O " the type sealing ring 8.2 is located in groove, and two annular protrusion 8.1 is embedded in bearing hole 1.4, " O " the type sealing ring 8.2 is close to 1.4 inner ring surface of two bearings hole.It is set at the second bearing lid 3.5 and the cooperation of worm screw 3.3 There is third sealing structure 9；The third sealing structure 9 includes the annular notch 9.1 being arranged in 3.5 left plane of second bearing lid With " V " shape sealing ring 9.2, the " V " shape sealing ring 9.2 is located at annular notch 9.1, the inward flange of the " V " shape sealing ring 9.2 It is close to 3.3 outer wall of worm screw.The second rectangular seal 10, second square are equipped at the worm screw 3.3 and the cooperation of bearing hole 1.4 The rectangular in cross-section of shape sealing ring 10, the outer ring surface of second rectangular seal 10 are close to 1.4 inner ring surface of bearing hole, and described the The inner ring surface of two rectangular seals 10 is close to 3.3 outer ring surface of worm screw.

The worm screw 3.3 is aluminium bronze material resistant to high temperature；2.4 surface of steel ball is coated with lubricating grease, the lubrication Rouge is ball bearing grease resistant to high temperature；The retainer 2.5 is A3 steel.The dynamical element 4 is fixed by screws in axis 1.4 left side of bearing bore is driven between the dynamical element 4 and transmission component 3 by key；The dynamical element 4 is motor.It is described Revolution driving is equipped with several oil nozzles.

The advantages of high temperature resistant lift truck attachment device for revolving and driving described in the utility model is: (1) worm gear is aluminium Bronze material has high-temperature stability and good wearability and seizure resistance, reduces the abrasion of worm and gear teeth portion, into And improve the service life of revolution driving；(2) steel ball surface is coated with lubricating grease, and the lubricating grease is ball bearing lubrication Rouge is commonly used in the friendship of the high temperature frictions such as locomotive, the guide rod ball bearing of lorry, automobile since ball bearing grease is in ointment shape At point, so ball bearing grease can guarantee that revolution driving lubricates at high temperature, to improve service life；(3) it tells back Turn bearing and use labyrinth seal structure, since ball bearing grease is in ointment shape, so ball bearing grease can be in labyrinth Formation grease seal is conducive to dust-proof in gap, and convenient for the waste oil inside exclusion when grease injection；(4) retainer It is not easy to wear, permanent durable for A3 steel, the service life of pivoting support is improved, to improve the use longevity of revolution driving Life.

Claims (10)

1. a kind of high temperature resistant lift truck attachment device for revolving and driving, it is characterised in that: including shell (1), pivoting support component (2), transmission component (3) and dynamical element (4)；The shell (1) includes bottom plate (1.1), pivoting support limit hole (1.2) and passes It moves limit hole (1.3), is fixed pivoting support limit hole (1.2) on the bottom plate (1.1), the pivoting support limit hole (1.2) The both ends of central axis bottom plate (1.1), transmission limit hole (1.3) are respectively equipped with bearing hole (1.4), the bottom plate (1.1) two pairs of connecting plates (1.5) are symmetrically fixed at the back side；The centre of the bottom plate (1.1) is equipped with notch (1.6), the connection Plate (1.5) is equipped with the connecting hole (1.7) of several connection forklift truck transverse beams, the bottom plate in the pivoting support limit hole (1.2) (1.1) circular limit rabbet groove (1.8) is provided on, the bottom surface of limit rabbet groove (1.8) is circumferentially equipped with several first Threaded hole (1.9), fixed conveyor limit hole (1.3) on the pivoting support limit hole (1.2), the transmission limit hole (1.3) Central axis be transversely parallel to bottom plate (1.1), be equipped between the transmission limit hole (1.3) and pivoting support limit hole (1.2) Opening；Pivoting support component (2) are fixed in the pivoting support limit hole (1.2)；The transmission limit hole (1.3) and bearing hole (1.4) interior fixed conveyor component (3)；The dynamical element (4) connects transmission component (3)；The pivoting support component (2) passes through Opening between transmission limit hole (1.3) and pivoting support limit hole (1.2) connect transmission component (3).

2. high temperature resistant lift truck attachment device for revolving and driving according to claim 1, it is characterised in that: the pivoting support Component (2) includes ring gear (2.1), outer ring (2.2), inner ring (2.3), steel ball (2.4) and retainer (2.5), the ring gear (2.1) On be uniformly provided with several axial thread blind holes, the outer ring (2.2) are equipped with several stepped holes and several tapped through holes, it is described in Several stepped holes are uniformly provided on circle (2.3), screw passes through outer ring (2.2) stepped hole and fixes ring gear (2.1), the inner ring (2.3) lower end is stuck in limit rabbet groove (1.8), and pair is bolted and is fixed on bottom plate (1.1)；The transmission group Part (3) includes first bearing lid (3.1), first bearing (3.2), worm screw (3.3), second bearing (3.4) and second bearing lid (3.5), the first bearing (3.2) and second bearing (3.4) are separately fixed at two bearings hole (1.4) inner ring surface, the worm screw (3.3) setting transmission limit hole (1.3) in, the left and right ends outer wall of the worm screw (3.3) respectively with first bearing (3.2) and The inner ring inner ring surface of second bearing (3.4) is fixed, and the first bearing lid (3.1) is pressed on a left side for left side first bearing (3.2) On end face, the second bearing lid (3.5) is pressed on the right side of the second bearing (3.4) on the right, the first bearing lid (3.1) it is fixed in transmission limit hole (1.3) with second bearing lid (3.5)；The worm screw (3.3) is meshed with ring gear (2.1).

3. high temperature resistant lift truck attachment device for revolving and driving according to claim 2, it is characterised in that: the outer ring (2.2) the first labyrinth seal structure (5) and the second labyrinth seal structure (6) are equipped between inner ring (2.3)；First labyrinth Sealing structure (5) includes first annular slot (5.1) and first annular protrusion (5.2), and outer ring (2.2) the inner ring surface upper end is in Mandrel extends to form the downward first annular slot (5.1) of notch, and the outer edge of plane upwardly extends to be formed on the inner ring (2.3) First annular protrusion (5.2), described first annular raised (5.2) are embedded in first annular slot (5.1)；The second labyrinth seal knot Structure (6) includes the second annular groove (6.1) and the second annular protrusion (6.2), and inner ring (2.3) the outer ring surface lower end is prolonged to central axis It stretches to form upward the second annular groove (6.1) of notch, the outer edge of outer ring (2.2) lower plane is downwardly extending the second ring Shape protrusion (6.2), second annular protrusion (6.2) are embedded in the second annular groove (6.1).

4. high temperature resistant lift truck attachment device for revolving and driving according to claim 3, it is characterised in that: described first annular The section of slot (5.1) and first annular raised (5.2) is trapezoidal；Second annular groove (6.1) and the second annular protrusion (6.2) Section be inverted trapezoidal.

5. high temperature resistant lift truck attachment device for revolving and driving according to claim 2, it is characterised in that: the outer ring (2.2) the first sealing structure (7) are equipped between pivoting support limit hole (1.2)；First sealing structure (7) includes outer ring (2.2) annular groove on outer ring surface (7.1) and the first rectangular seal (7.2), the outer ring surface of first rectangular seal (7.2) It is close to pivoting support limit hole (1.2) inner ring surface, the inner ring surface of first rectangular seal (7.2) is close to worm screw (3.3) ring Shape bottom surface.

6. high temperature resistant lift truck attachment device for revolving and driving according to claim 2, it is characterised in that: first bearing lid (3.1) and at the cooperation of second bearing lid (3.5) and bearing hole (1.4) second seals structure (8) are respectively equipped with；Described second is close Seal structure (8) includes a pair of of annular protrusion (8.1) and a pair of " O " type sealing ring (8.2), and two annular protrusion (8.1) is cut Face is L shape, and two annular protrusion (8.1) forms groove with first bearing lid (3.1) and second bearing lid (3.5) respectively, " O " the type sealing ring (8.2) is located in groove, and two annular protrusion (8.1) is embedded in bearing hole (1.4), described " O " Type sealing ring (8.2) is close to two bearings hole (1.4) inner ring surface.

7. high temperature resistant lift truck attachment device for revolving and driving according to claim 2, it is characterised in that: the second bearing It covers at the cooperation of (3.5) and worm screw (3.3) and is equipped with third sealing structure (9)；The third sealing structure (9) includes second bearing The annular notch (9.1) and " V " shape sealing ring (9.2) being arranged in lid (3.5) left plane, the " V " shape sealing ring (9.2) are located at The inward flange of annular notch (9.1), the " V " shape sealing ring (9.2) is close to worm screw (3.3) outer wall.

8. high temperature resistant lift truck attachment device for revolving and driving according to claim 2, it is characterised in that: the worm screw (3.3) the second rectangular seal (10) are equipped with at the cooperation of bearing hole (1.4), the section of second rectangular seal (10) In rectangle, the outer ring surface of second rectangular seal (10) is close to bearing hole (1.4) inner ring surface, second rectangular seal (10) inner ring surface is close to worm screw (3.3) outer ring surface.

9. high temperature resistant lift truck attachment device for revolving and driving according to claim 2, it is characterised in that: the worm screw It (3.3) is aluminium bronze material resistant to high temperature；Steel ball (2.4) surface is coated with lubricating grease, and the lubricating grease is resistant to high temperature Ball bearing grease；The retainer (2.5) is A3 steel.

10. high temperature resistant lift truck attachment device for revolving and driving according to claim 1, it is characterised in that: the power member Part (4) is fixed by screws in bearing hole (1.4) left side, is passed between the dynamical element (4) and transmission component (3) by key It is dynamic；The dynamical element (4) is motor.