CN220388581U - Bolt fastening device - Google Patents

Abstract

The utility model discloses a bolt fastening device, which comprises a bracket and a driving component, wherein the bracket comprises a base and a cantilever, the first end of the cantilever is movably connected to the base, the second end of the cantilever is provided with a rotatable head, the driving component is arranged on the base and comprises a first driving piece and a second driving piece, the first driving piece is used for driving the cantilever to move along a first direction, the second driving piece is used for driving the head to rotate, and the first direction is parallel to the central axis of the head. The bolt fastening device can drive the batch head to rotate and push by using the driving component, realize screwing of the bolt by using mechanical operation, save manpower and have high operation efficiency.

Description

Bolt fastening device

Technical Field

The utility model relates to the technical field of bolt screwing equipment, in particular to a bolt fastening device.

Background

The bolt connection is a common fixed connection mode at present, and the adopted bolt fastening method is basically to firstly pretighten by using an impact wrench and then finally tighten by using a hydraulic wrench. In the operation process, the labor intensity of operators is high, and the working efficiency is low due to the characteristics of the hydraulic wrench.

Therefore, the automatic bolt fastening device has wide application prospect.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

The bolt fastening device of the embodiment of the utility model comprises: the support comprises a base and a cantilever, wherein the first end of the cantilever is movably connected to the base, and the second end of the cantilever is provided with a rotatable screwdriver head; the driving assembly is arranged on the base and comprises a first driving piece and a second driving piece, the first driving piece is used for driving the cantilever to move along a first direction, the second driving piece is used for driving the batch head to rotate, and the first direction is parallel to the central axis of the batch head.

According to the bolt fastening device disclosed by the embodiment of the utility model, the first end of the cantilever is movably connected to the base, the second end of the cantilever is provided with the rotatable batch head, the driving assembly is arranged on the base and comprises the first driving piece and the second driving piece, the first driving piece is used for driving the cantilever to move along the first direction, the second driving piece is used for driving the batch head to rotate, and the first direction is parallel to the central axis of the batch head, so that the bolt fastening device can utilize the driving assembly to drive the batch head to rotate and push, and the screwing of the bolt is realized by utilizing mechanical operation, so that the labor is saved, and the operation efficiency is high.

In some embodiments, the top of base is equipped with the backup pad, first driving piece is located backup pad top just first driving piece includes first driving motor and connects on first driving motor's the output shaft and along the screw rod that first direction extends, the first end of cantilever is equipped with the slider, the slider is located the backup pad top and cover is established on the screw rod, just the slider with screw rod screw-thread fit.

In some embodiments, the second driving piece comprises a second driving motor and a driving belt, the second driving motor is connected with the sliding block, an output shaft of the second driving motor is connected with a driving wheel, and the driving belt is sleeved on the outer sides of the driving wheel and the batch head.

In some embodiments, the cantilever has a groove extending along a length thereof, the drive wheel and the drive belt are both fitted in the groove, and the screwdriver bit is threaded on the cantilever and partially positioned in the groove.

In some embodiments, the second drive member further comprises a first bevel gear and a second bevel gear intermeshed, the first bevel gear coupled to the output shaft of the second drive motor and extending in a second direction, the second bevel gear coupled to the drive wheel and extending in the first direction, the second direction being perpendicular to the first direction.

In some embodiments, a cushion pad is arranged on the supporting plate, and the first driving motor is arranged on the cushion pad;

the bottom of the base is provided with a universal wheel.

In some embodiments, the base is a hydraulic telescoping structure.

In some embodiments, the base comprises a fixed section and a telescopic section, the telescopic section is movably connected with the fixed section and can ascend and descend relative to the fixed section, and the driving assembly and the cantilever are both connected with the telescopic section.

In some embodiments, the fixing section is provided with a plurality of first positioning holes which are arranged at intervals along the height direction of the fixing section, the telescopic section comprises a plurality of second positioning holes which are arranged at intervals along the height direction of the telescopic section, the base further comprises a positioning plugboard, and the fixing section and the telescopic section are connected through the positioning plugboard which penetrates through the first positioning holes and stretches into the second positioning holes.

In some embodiments, the fixed section is a cylinder, and the telescopic section is sleeved on the inner side of the fixed section and is in clearance fit with the fixed section.

Drawings

Fig. 1 is a schematic structural view of a bolt tightening device according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a base of a bolt tightening apparatus according to an embodiment of the present utility model.

FIG. 3 is an assembled schematic view of a cantilever and drive assembly of a bolt-tightening apparatus of an embodiment of the utility model.

Fig. 4 is a schematic view showing the cooperation of the first bevel gear and the second bevel gear of the bolt tightening apparatus according to the embodiment of the utility model.

FIG. 5 is a schematic view showing the assembly of a screwdriver bit and a cantilever of a bolt tightening apparatus according to an embodiment of the present utility model.

Reference numerals:

1. a bottom plate; 11. a universal wheel; 2. a base; 21. a fixed section; 22. a telescoping section; 23. a first positioning hole; 24. positioning the plugboard; 25. a support plate; 3. a cantilever; 31. a first driving motor; 311. a cushion pad; 32. a screw; 321. a support plate; 33. a slide block; 34. a groove; 35. a second driving motor; 36. a first bevel gear; 37. a driving wheel; 39. a second bevel gear; 4. a head is batched; 41. a driving belt.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1 to 5, the bolt tightening device of the embodiment of the present utility model includes a bracket and a driving assembly.

Specifically, the support includes base 2 and cantilever 3, and cantilever 3's first end swing joint is on base 2, and cantilever 3's second end is equipped with rotatable batch head 4, and drive assembly locates on base 2 and drive assembly includes first driving piece and second driving piece, and first driving piece is used for driving cantilever 3 and removes along first direction, and the second driving piece is used for driving to batch head 4 rotatory, and first direction is parallel with the central axis of batch head 4.

Therefore, when the bolt fastening device is used for screwing bolts, the batch head 4 can be aligned to the bolts to be screwed, then the first driving piece and the second driving piece are started, the second driving piece drives the batch head 4 to rotate and can screw the bolts, the first driving piece drives the cantilever 3 to move along the first direction, the first direction is parallel to the central axis of the batch head 4, the pushing direction of the batch head 4 is also parallel to the central axis of the batch head 4, and then the first driving piece can drive the cantilever 3 to move towards the pushing direction of the batch head 4, so that the screw bolt screwing operation of the batch head 4 while pushing is realized.

Specifically, the layout of the cantilever 3 and the base 2 includes various forms, for example, the cantilever 3 may be horizontally placed, vertically placed or obliquely placed, and considering the stability of the assembly of the cantilever 3 and the requirement of the actual working environment, the structure shown in fig. 1 is a common form, that is, the base 2 is vertically arranged, the cantilever 3 extends along the horizontal direction and is connected to the top of the base 2, the batch head 4 is transversely mounted on the cantilever 3, and the cantilever 3 advances to push the batch head 4.

It can be appreciated that the bolt fastening device can utilize the driving component to control the rotation and the pushing of the batch head 4, does not need manual operation, has high operation efficiency and saves manpower.

According to the bolt fastening device disclosed by the embodiment of the utility model, the first end of the cantilever 3 is movably connected to the base 2, the second end of the cantilever 3 is provided with the rotatable head 4, the driving assembly is arranged on the base 2 and comprises the first driving member and the second driving member, the first driving member is used for driving the cantilever 3 to move along the first direction, the second driving member is used for driving the head 4 to rotate, and the first direction is parallel to the central axis of the head 4, so that the bolt fastening device can drive the head 4 to rotate and push by using the driving assembly, screwing of a bolt is realized by using mechanical operation, labor is saved, and the operation efficiency is high.

Further, as shown in fig. 1 and 2, the top of the base 2 is provided with a support plate 25, the first driving member is arranged above the support plate 25 and comprises a first driving motor 31 and a screw rod 32 connected to an output shaft of the first driving motor 31 and extending along a first direction, a support plate 321 for supporting a free end of the screw rod 32 is arranged on the support plate 25, a first end of the cantilever 3 is provided with a sliding block 33, the sliding block 33 is arranged above the support plate 25 and sleeved on the screw rod 32, and the sliding block 33 is in threaded fit with the screw rod 32.

In other words, the present application employs screw rod cooperation to realize that the cantilever 3 is pushed to move by using a motor, specifically, the first driving motor 31 may drive the screw rod 32 to rotate, and the contact between the slider 33 and the supporting plate 25 may limit the slider 33 to rotate along with the screw rod 32, so that the rotational movement of the screw rod 32 may be converted into the linear movement of the slider 33 by using the screw thread cooperation of the screw rod 32 and the slider 33. It will be appreciated that the screw 32 has the advantage of a smooth feed rate and high reliability of movement.

Further, as shown in fig. 1 and 3, the second driving member includes a second driving motor 35 and a driving belt 41, the second driving motor 35 is connected with the sliding block 33, an output shaft of the second driving motor 35 is connected with the driving wheel 37, and the driving belt 41 is sleeved on the outer sides of the driving wheel 37 and the batch head 4. Thus, the second driving motor 35 rotates to drive the driving wheel 37 to rotate, and then the driving belt 41 drives the screwdriver bit 4 to rotate, so that screwing of the bolt is realized.

It should be noted that, the slider 33 of the present application is directly supported on the base 2, and the second driving motor 35 is connected to the slider 33 to load the weight of the motor on the base 2, which is advantageous for the placement stability of the bolt fastening device compared with the arrangement of the second driving motor 35 on the cantilever 3.

Preferably, as shown in fig. 3, the cantilever 3 has a groove 34 extending along its length, and the driving wheel 37 and the driving belt 41 are fitted in the groove 34, and the head 4 is threaded on the cantilever 3 and partially located in the groove 34. Therefore, on one hand, the groove 34 can play a role in clamping and fixing the driving wheel 37, on the other hand, the groove can play a role in limiting the driving belt 41, and the groove can be similar to a chain box in function, so that the driving belt 41 is prevented from swinging greatly, the driving effect is ensured, and secondly, the groove can play a role in protecting, the driving belt 41 is prevented from being touched by hands by mistake, and the operation safety is ensured.

Further, as shown in fig. 3 and 4, the second driving member further includes a first bevel gear 36 and a second bevel gear 39 engaged with each other, the first bevel gear 36 being coupled to an output shaft of the second driving motor 35 and extending in a second direction, the second bevel gear 39 being coupled to the driving wheel 37 and extending in a first direction, the second direction being perpendicular to the first direction.

Since the driving wheel 37 is mounted in the cantilever 3 and the second driving motor 35 is mounted on the sliding block 33, if the driving wheel 37 is directly connected to the output shaft of the second driving motor 35, a connection support plate 321 extending toward the cantilever 3 needs to be led out from the sliding block 33, and the second driving motor 35 is mounted on the connection support plate 321 and has its output shaft opposite to the driving wheel 37, so that the driving wheel 37 and the connection support plate are directly connected, however, the center of gravity of the second driving motor 35 mounted on the connection support plate 321 is deviated from the base 2, which easily results in unstable device placement.

Based on the above-mentioned problems, the inventor of the present application proposes to implement a direction-changing transmission by using a bevel gear, specifically, as shown in fig. 3 and 4, a second driving motor 35 is directly disposed on a sliding block 33, and its output shaft extends in a direction parallel to the cantilever 3, an end portion of the output shaft of the second driving motor 35 is connected to a first bevel gear 36, a second bevel gear 39 is connected to a driving wheel 37 and extends in a direction (first direction) of a central axis of the driving wheel 37, after the two are meshed, the second driving motor 35 rotates to drive the second bevel gear 39 to rotate through the first bevel gear 36, and then drive the driving wheel 37 to rotate, and finally drive the screwdriver bit 4 to rotate through a driving belt 41.

Preferably, as shown in fig. 1, the cushion pad 311 is provided on the support plate 25, and the first driving motor 31 is provided on the cushion pad 311. Thus, the cushion pad 311 can have a shock absorbing and noise reducing effect.

Preferably, as shown in fig. 1 and 2, the bottom of the base 2 is provided with universal wheels 11. Specifically, the bottom of base 2 is equipped with the bottom plate 1 of rectangle, and four corners of bottom plate 1 are equipped with four universal wheels 11, from this, the bolt-up device of this application can remove in a flexible way, and the short distance operation need not to carry, convenient and practical.

Alternatively, the base 2 is of a hydraulic telescopic structure. Therefore, in actual operation, the height of the cantilever 3 can be adjusted according to the requirements by taking the fact that the heights of the bolts which are required to be screwed under different working conditions into consideration, and the height of the batch head 4 can be adjusted by the base 2 according to the requirements, so that the operation requirements are met, and the universality and the flexibility of the bolt fastening device are improved.

When it should be noted that, the retractility of the base 2 is not limited to be configured as a hydraulic telescopic structure, for example, as shown in fig. 2, the base 2 includes a fixed section 21 and a telescopic section 22, the telescopic section 22 is movably connected with the fixed section 21 and can ascend and descend relative to the fixed section 21, the driving assembly and the cantilever 3 are both connected with the telescopic section 22, the fixed section 21 is provided with a plurality of first positioning holes 23 arranged at intervals along the height direction thereof, the telescopic section 22 includes a plurality of second positioning holes arranged at intervals along the height direction thereof, the base 2 further includes a positioning insertion plate 24, and the fixed section 21 and the telescopic section 22 are connected by the positioning insertion plate 24 penetrating through the first positioning holes 23 and extending into the second positioning holes.

Therefore, when the height of the cantilever 3 needs to be adjusted, the positioning plugboard 24 can be pulled out, at this time, the fixed section 21 and the telescopic section 22 are separated, an operator can drag the telescopic section 22 to ascend or descend, and after the height adjustment is completed, the positioning plugboard 24 is inserted into the fixed section 21 and the telescopic section 22 to realize locking.

Preferably, the positioning insert plate 24 includes an insertion portion and a limiting portion, the insertion portion is penetratingly disposed in the first positioning hole 23 and the second positioning hole, the limiting portion is located at an outer end of the insertion portion, and a sectional area of the limiting portion is larger than a sectional area of the insertion portion for limiting when the positioning insert plate 24 is inserted.

For example, as shown in fig. 2, the insertion portion is a flat plate, the limiting portion is a vertical plate, the insertion portion and the limiting portion form a T-shaped structure, the first positioning hole 23 and the second positioning hole are rectangular holes, and the sectional area of the rectangular holes is smaller than the sectional area of the vertical plate.

Preferably, as shown in fig. 2, the fixed section 21 is a cylinder, and the telescopic section 22 is sleeved on the inner side of the fixed section 21 and is in clearance fit with the fixed section 21. Therefore, the telescopic section 22 and the fixed section 21 are in sleeve joint fit, so that the assembly stability is better, the telescopic section 22 is not easy to shake, and the bolt fastening device is stable in structure.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

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

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A bolt-up device, characterized by comprising:

the support comprises a base and a cantilever, wherein the first end of the cantilever is movably connected to the base, and the second end of the cantilever is provided with a rotatable screwdriver head;

the driving assembly is arranged on the base and comprises a first driving piece and a second driving piece, the first driving piece is used for driving the cantilever to move along a first direction, the second driving piece is used for driving the batch head to rotate, and the first direction is parallel to the central axis of the batch head.

2. The screw fastening device according to claim 1, wherein the top of the base is provided with a support plate, the first driving member is disposed above the support plate and comprises a first driving motor and a screw rod connected to an output shaft of the first driving motor and extending along the first direction, the first end of the cantilever is provided with a slider, the slider is disposed above the support plate and sleeved on the screw rod, and the slider is in threaded fit with the screw rod.

3. The bolt fastening apparatus according to claim 2, wherein the second driving member includes a second driving motor and a belt, the second driving motor is connected with the slider and an output shaft of the second driving motor is connected with a driving wheel, and the belt is sleeved on the driving wheel and the outside of the batch head.

4. A bolt tightening device according to claim 3, wherein the cantilever arm has a recess extending along its length, the drive wheel and the drive belt both fitting within the recess, the bit being threaded onto the cantilever arm and being located partially within the recess.

5. The screw tightening device according to claim 4, wherein the second driving member further comprises a first bevel gear and a second bevel gear engaged with each other, the first bevel gear being connected to an output shaft of the second driving motor and extending in a second direction, the second bevel gear being connected to the driving wheel and extending in the first direction, the second direction being perpendicular to the first direction.

6. The bolt-tightening device according to claim 2, wherein a cushion pad is provided on the support plate, and the first driving motor is provided on the cushion pad;

the bottom of the base is provided with a universal wheel.

7. The bolt-tightening device according to any one of claims 1 to 6, wherein the base is a hydraulic telescopic structure.

8. The bolt tightening device according to any one of claims 1 to 6, wherein the base includes a fixed section and a telescoping section movably connected to the fixed section and raisable and lowerable relative to the fixed section, the drive assembly and the cantilever being connected to the telescoping section.

9. The screw tightening device according to claim 8, wherein the fixing section is provided with a plurality of first positioning holes arranged at intervals in a height direction thereof, the telescopic section includes a plurality of second positioning holes arranged at intervals in the height direction thereof, the base further includes a positioning insert plate, and the fixing section and the telescopic section are connected by the positioning insert plate penetrating through the first positioning holes and extending into the second positioning holes.

10. The bolt-tightening device according to claim 9, wherein the fixing section is a cylinder, and the telescopic section is sleeved inside the fixing section and is in clearance fit with the fixing section.