CN218110615U - Slewing bearing assembly fixture - Google Patents

Abstract

The utility model belongs to the technical field of screw up the frock, concretely relates to slewing bearing assembly fixture, including screwing up the device, it includes the gear box to screw up the device, the gear box disposes first output shaft and second output shaft, first output shaft and second output shaft dislocation set, first output shaft tip sets up the first locking sleeve with slewing bearing outer lane locking bolt looks adaptation, second output shaft tip sets up the second locking sleeve with slewing bearing inner race locking bolt looks adaptation. The utility model provides a take electronic special plane of screwing up of two delivery heads realizes the convenience, the high-efficient screwing up slewing bearing inner and outer lane fixing bolt's tightening. For the automobile truck-mounted hoisting turntable arranged in an inclined mode, due to the fact that the first output shaft and the second output shaft are arranged in a staggered mode, the first output shaft and the second output shaft can penetrate into the inner ring fixing bolt and the outer ring fixing bolt of the slewing bearing on the inclined side of the turntable to be screwed, and main structures such as driving of a screwing device cannot interfere with the inclined turntable.

Description

Slewing bearing assembly fixture

Technical Field

The utility model belongs to the technical field of screw up the frock, concretely relates to slewing bearing assembly fixture for screwing up slewing bearing.

Background

In the field of engineering machinery production, an automobile truck-mounted crane is an important branch. The installation of the rotary table is a very critical link, and the rotary support is required to be installed on the support frame firstly, and then the rotary table is installed on the rotary support. Because the function of the rotary table requires specificity, the rotary table is an inclined structure similar to a pizza leaning tower, and a considerable number of outer ring bolts are caused due to the problem of welding structure space, and a common screwing tool is difficult to implement. Although the inner ring bolt can be screwed by using the electric screwing tool, the electric screwing tool cannot be used for the bolts with a plurality of key importance on the outer ring.

Disclosure of Invention

According to the defect that above-mentioned prior art exists, the utility model aims at providing a be applicable to the truck-mounted crane and be slewing bearing assembly fixture, compromise high efficiency, the high accuracy tightening of interior outer lane bolt.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a slewing bearing assembly fixture, includes screws up the device, screws up the device and includes the gear box, the gear box disposes first output shaft and second output shaft, first output shaft and second output shaft dislocation set, first output shaft tip sets up the first locking sleeve with slewing bearing outer lane locking bolt looks adaptation, second output shaft tip sets up the second locking sleeve with slewing bearing inner race locking bolt looks adaptation.

Further, the tightening device further comprises a driving mechanism and a mounting frame, the driving mechanism and the gear box are both arranged on the mounting frame, and the output end of the driving mechanism is connected to the input end of the gear box, so that the first output shaft and the second output shaft are driven to rotate.

Furthermore, the axis of the first output shaft and the axis of the output end of the driving mechanism are arranged in a staggered mode, and the axis of the second output shaft and the axis of the output end of the driving mechanism are overlapped.

Furthermore, a mounting substrate is arranged on one side, close to the output end, of the gear box, a first reaction sleeve and a second reaction sleeve are connected to the mounting substrate, the first reaction sleeve is matched with a locking bolt of the outer ring of the slewing bearing, and the second reaction sleeve is matched with a locking bolt of the inner ring of the slewing bearing.

Further, the distance between the first reaction sleeve and the first locking sleeve is consistent with the distance between the locking bolts of the outer ring of the two adjacent slewing bearing; and the distance between the second reaction sleeve and the second locking sleeve is consistent with the distance between the locking bolts of the inner rings of the two adjacent slewing bearing.

Furthermore, the number of the first counter-force sleeves is two, the two first counter-force sleeves are respectively positioned on two sides of the first locking sleeve, the first locking sleeve and the two first counter-force sleeves are arranged along an arc, and the radian of the first locking sleeve and the radian of the two first counter-force sleeves are matched with that of the locking bolt of the outer ring of the slewing bearing; the two second reaction sleeves are respectively positioned on two sides of the second locking sleeve, and the second locking sleeve and the two second reaction sleeves are arranged along an arc shape and the radian of the second locking sleeve is matched with that of the locking bolt of the inner ring of the slewing bearing.

Furthermore, one side of the mounting substrate is provided with an inwards concave arc-shaped surface, and the first locking sleeve and the first counter-force sleeve are arranged close to the inwards concave arc-shaped surface of the mounting substrate.

Furthermore, the first reaction sleeve and the second reaction sleeve are adjustably connected to the mounting substrate through a waist hole of the mounting substrate.

Furthermore, the slewing bearing assembly fixture further comprises a hoisting device, the hoisting device comprises a suspension arm and a suspension lifting device, the suspension arm is used for hoisting the tightening device, and the suspension lifting device is connected with the tightening device through a suspension frame.

Preferably, the suspension lifting device is driven by a cylinder to lift.

Furthermore, an idler wheel is arranged inside the gear box, and the first output shaft and the second output shaft are driven to synchronously rotate through the idler wheel.

The beneficial effects of the utility model are that: the utility model provides a take electronic special plane of screwing up of two delivery heads realizes convenient, the efficient to the screwing up of slewing bearing inner and outer lane fixing bolt. For the automobile truck-mounted hoisting turntable arranged in an inclined mode, due to the fact that the first output shaft and the second output shaft are arranged in a staggered mode, the first output shaft is arranged in a biased mode relative to a main structure of the tightening device and can penetrate into the fixing bolt of the inner ring and the outer ring of the slewing bearing on the inclined side of the turntable to be tightened, and the main structure of the tightening device such as the driving structure cannot interfere with the inclined turntable.

Drawings

FIG. 1 is a schematic view of a slewing bearing;

FIG. 2 is a schematic view of the connection between a slewing bearing and a turntable of a truck-mounted crane;

FIG. 3 is a front view of the tightening device;

FIG. 4 is a side view of the tightening device of FIG. 3;

FIG. 5 is a schematic top view of the tightening apparatus of FIG. 3;

FIG. 6 is a first isometric view of the tightening device;

FIG. 7 is a second isometric view of the tightening device;

FIG. 8 is a schematic cross-sectional view of a gearbox;

FIG. 9 is a schematic view of a hoisting structure of the tightening device;

FIG. 10 is an isometric view of a tightening device lifting structure;

in the figure: 1. the device comprises a gear box, 2, a first output shaft, 3, a second output shaft, 4, a first reaction sleeve, 5, a second reaction sleeve, 6, a first locking sleeve, 7, a second locking sleeve, 8, a driving mechanism, 9, a mounting frame, 10, a mounting base plate, 11, a slewing bearing, 12, a vehicle-mounted hoisting turntable, 13, a suspension arm, 14, a suspension lifting device, 15, a control system, 16, a hanger, 17, a slewing bearing inner ring locking bolt, 18, a slewing bearing outer ring locking bolt, 19, a screwing device, 20 and an idler.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

The utility model relates to a solve the vehicle-mounted of slope and hang the problem of being connected between revolving stage and the slewing bearing and design, the vehicle-mounted hangs the setting of revolving stage slope, screws up the device and is acting on the vehicle-mounted and hang one side that the revolving stage is the acute angle with the slewing bearing, because fore-and-aft screws up the device and hangs the revolving stage with the vehicle-mounted and produce the interference, can't screw up the installation to the bolt, need change the manual work to screw up, cause inconvenience to whole installation.

Referring to the accompanying drawings 1-10, the slewing bearing assembling tool comprises a screwing device, the screwing device comprises a gear box 1, the gear box 1 is provided with a first output shaft 2 and a second output shaft 3, the first output shaft 2 and the second output shaft 3 are arranged in a staggered mode, the end portion of the first output shaft 2 is provided with a first locking sleeve 6 matched with a slewing bearing outer ring locking bolt, and the end portion of the second output shaft 3 is provided with a second locking sleeve 7 matched with a slewing bearing inner ring locking bolt 17.

Based on above-mentioned technical scheme, it is required to explain, the utility model discloses a gear box 1 of biasing output, wherein first output shaft 2 and the whole longitudinal axis dislocation set who screws up the device, wherein first output shaft 2 is located the whole longitudinal axis of screwing up the device promptly along the one side of transversely extending, can not receive the interference of screwing up the device and go deep into the acute angle contained angle to slewing bearing and vehicle-mounted hanging revolving stage, screws up slewing bearing outer lane locking bolt.

Furthermore, the tightening device further comprises a driving mechanism 8 and a mounting frame 9, the driving mechanism 8 and the gear 1 box are both arranged on the mounting frame 9, and the output end of the driving mechanism 8 is connected to the input end of the gear box 1, so that the first output shaft 2 and the second output shaft are driven to rotate 3; the driving mechanism 8 is a driving motor.

Further, the axis of the first output shaft 2 and the axis of the output end of the driving mechanism 8 are arranged in a staggered mode, and the axis of the second output shaft 3 and the axis of the output end of the driving mechanism 8 coincide.

Furthermore, an idle wheel is arranged inside the gear box 1 and is meshed with two gears connected to the first output shaft and the second output shaft, the output end of the driving mechanism 8 drives the second output shaft 3 to rotate, and the second output shaft 3 drives the first output shaft 2 to synchronously rotate through the idle wheel.

Furthermore, a mounting substrate 10 is arranged on one side of the gear box 1 close to the output end, a first reaction sleeve 4 and a second reaction sleeve 5 are connected to the mounting substrate 10, the first reaction sleeve 4 is matched with a slewing bearing outer ring locking bolt, and the second reaction sleeve 5 is matched with a slewing bearing inner ring locking bolt.

Based on the above technical solution, it should be noted that the tightening device of the present invention is an electric tightening device, and when the tightening device reaches the target torque of locking, the bolt may generate a large reaction force to the tightening tool, and the reaction force may cause the tightening tool to shake, so that the final torque value may deviate. The utility model discloses a cooperation of other bolts is spacing on the counter-force sleeve gyration support bearing, guarantees that the counter-force sleeve keeps motionless when locking sleeve locking bolt to enough the locking reaction force of offsetting the bolt avoids the locking instrument to take place the shake.

Further, the distance between the first reaction sleeve 4 and the first locking sleeve 6 is consistent with the distance between the locking bolts of the outer ring of the two adjacent slewing bearing; the distance between the second reaction sleeve 5 and the second locking sleeve 7 is consistent with the distance between the two adjacent slewing bearing inner ring locking bolts.

Furthermore, the number of the first reaction sleeves 4 is two, the two first reaction sleeves are respectively positioned on two sides of the first locking sleeve 6, the first locking sleeve 6 and the two first reaction sleeves 4 are arranged along an arc, and the radian of the first locking sleeve 6 is matched with that of a locking bolt of an outer ring of the slewing bearing; the number of the second reaction sleeves 5 is two, the two second reaction sleeves are respectively located on two sides of the second locking sleeve 7, the second locking sleeve 7 and the two second reaction sleeves 5 are arranged along an arc, and the radian of the second locking sleeve are matched with that of the locking bolt of the inner ring of the slewing bearing.

Based on the technical scheme, it needs to be explained that when the bolts are locked by the locking sleeves, the reaction sleeves on the two sides are respectively sleeved and limited with the two bolts of the bolt cylinder to be locked, and a torque-resisting structure is formed.

Further, the first reaction sleeve 4 and the second reaction sleeve 5 are adjustably connected to the mounting board 10 through a waist hole of the mounting board 10. The position of the first reaction sleeve 4 and/or the second reaction sleeve 5 can be adapted according to the distance between adjacent bolts.

Further, one side of the mounting substrate 10 is set as an inward concave arc-shaped surface, and the first locking sleeve 6 and the first reaction sleeve 4 are set close to the inward concave arc-shaped surface of the mounting substrate 10. The concave arc-shaped surface is matched with the radian of the outer wall of the truck-mounted crane turntable 12, so that the interference between the mounting substrate 10 and the turntable is avoided.

Furthermore, the slewing bearing assembly tool further comprises a hoisting device, the hoisting device comprises a suspension arm 13 and a suspension lifting device 14, the suspension lifting device 14 is used for hoisting a tightening device, the suspension lifting device 14 is connected with the tightening device through a suspension bracket 16, and the suspension lifting device 14 is driven by an air cylinder to realize a lifting function. The hoisting device is provided with a control system 15 and controls the tightening device to be close to or far away from the slewing bearing through the control system.

The slewing bearing screwing special machine comprises a control system, a cantilever crane, a screwing device, a suspension lifting device and the like. The device is characterized in that a gear box 1 for increasing offset output of a tightening shaft is provided with two output shafts 2 and 3 and reaction sleeves 4 and 5, wherein the second output shaft 3 and the second reaction sleeve 5 are matched for use and used for tightening a fastening bolt of an inner ring of a slewing bearing; the first output shaft 2 and the first reaction sleeve 4 are used in cooperation for tightening a fastening bolt of the slewing bearing outer ring. During installation, the first output shaft 2 and the first reaction sleeve 4 are located on the inner side of the inner diameter of a slewing bearing 11 and then fixed with a truck-mounted crane turntable 12 through a fastening bolt of the outer ring of the slewing bearing, the first output shaft 2 and the first reaction sleeve 4 work, and the second output shaft 3 and the second reaction sleeve 5 are located on the outer side of the outer diameter of the slewing bearing.

In actual operation, the tightening device is manually operated to align the bolts to be tightened on the inner ring, the two counter-force sleeves are ensured to be sleeved on the adjacent bolts, the tightening device is started by pressing down, the bolts are tightened one by one, and the tightening device is removed. After the rotary table is installed, the tightening device is manually operated to align the bolts to be tightened on the outer ring, the two counter-force sleeves are ensured to be sleeved on the adjacent bolts, and the two counter-force sleeves are pressed to be started to tighten the bolts one by one. In the aspect of control software, the precision calibration can be respectively carried out on the two output shafts, so that the tightening precision of the two output shafts can be within +/-3%, which is the international standard of the precision of the tightening machine.

The novel slewing bearing special screwing machine has the characteristics of simplicity and convenience in operation, high reliability and high screwing precision, can be used independently in a cost example, can be used by integrating a screwing device on special automatic equipment or is not limited to the application scene introduced by the invention, and can be applied to occasions with similar slewing bearing structures and the like requiring the screwing of inner and outer ring fixing bolts and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The above list is only the preferred embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by the person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.

Claims (10)

1. The utility model provides a slewing bearing assembly fixture which characterized in that: the device comprises a tightening device, the tightening device comprises a gear box, the gear box is provided with a first output shaft and a second output shaft, the first output shaft and the second output shaft are arranged in a staggered mode, the end portion of the first output shaft is provided with a first locking sleeve matched with a locking bolt on the outer ring of a slewing bearing, and the end portion of the second output shaft is provided with a second locking sleeve matched with a locking bolt on the inner ring of the slewing bearing.

2. The slewing bearing assembling tool according to claim 1, characterized in that: the tightening device further comprises a driving mechanism and a mounting frame, the driving mechanism and the gear box are both arranged on the mounting frame, and the output end of the driving mechanism is connected to the input end of the gear box, so that the first output shaft and the second output shaft are driven to rotate.

3. The slewing bearing assembling tool according to claim 2, characterized in that: the axis of the first output shaft and the axis of the output end of the driving mechanism are arranged in a staggered mode, and the axis of the second output shaft and the axis of the output end of the driving mechanism are overlapped.

4. The slewing bearing assembling tool according to claim 1, characterized in that: and a mounting substrate is arranged on one side of the gear box close to the output end, a first counter-force sleeve and a second counter-force sleeve are connected to the mounting substrate, the first counter-force sleeve is matched with the slewing bearing outer ring locking bolt, and the second counter-force sleeve is matched with the slewing bearing inner ring locking bolt.

5. The slewing bearing assembling tool according to claim 4, wherein the slewing bearing assembling tool comprises: the distance between the first reaction sleeve and the first locking sleeve is consistent with the distance between the locking bolts of the outer rings of the two adjacent slewing bearing; and the distance between the second reaction sleeve and the second locking sleeve is consistent with the distance between the locking bolts of the inner rings of the two adjacent slewing bearing.

6. The slewing bearing assembling tool according to claim 4 or 5, wherein the slewing bearing assembling tool comprises: the first locking sleeve and the two first counter-force sleeves are arranged along an arc, and the radian of the first locking sleeve and the radian of the two first counter-force sleeves are matched with that of a locking bolt of the outer ring of the slewing bearing; the two second counter-force sleeves are respectively positioned on two sides of the second locking sleeve, and the second locking sleeve and the two second counter-force sleeves are arranged along an arc shape, and the radian of the second locking sleeve and the radian of the two second counter-force sleeves are matched with that of a locking bolt of the inner ring of the slewing bearing; the first reaction sleeve and the second reaction sleeve are adjustably connected to the mounting substrate through a waist hole of the mounting substrate.

7. The slewing bearing assembling tool according to claim 4, wherein the slewing bearing assembling tool comprises: one side of the mounting substrate is provided with an inwards concave arc-shaped surface, and the first locking sleeve and the first counter-force sleeve are arranged close to the inwards concave arc-shaped surface of the mounting substrate.

8. The slewing bearing assembling tool according to claim 1, characterized in that: the device comprises a tightening device and is characterized by further comprising a hoisting device, wherein the hoisting device comprises a suspension arm and a suspension lifting device, the suspension lifting arm is used for hoisting the tightening device, and the suspension lifting device is connected with the tightening device through a hanging bracket.

9. The slewing bearing assembling tool according to claim 8, characterized in that: the suspension lifting device is driven by an air cylinder to lift.

10. The slewing bearing assembling tool according to claim 1, characterized in that: an idler wheel is arranged in the gear box, and the idler wheel drives the first output shaft and the second output shaft to synchronously rotate.

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