CN213034499U

CN213034499U - Portable bolt fastening device

Info

Publication number: CN213034499U
Application number: CN202021408310.4U
Authority: CN
Inventors: 马振宇; 钟象新; 谢荣新; 谭小平; 郭泽嘉
Original assignee: Guangdong Yuantian Engineering Co Ltd
Current assignee: Guangdong Yuantian Engineering Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-23
Anticipated expiration: 2030-07-16

Abstract

The utility model provides a portable bolt fastening device, which belongs to the field of bolt fastening devices, and comprises a fastening component and a force application component, wherein a first sliding column and a second sliding column are respectively arranged in a first sliding groove and a second sliding groove in a sliding way, the first sliding column and the second sliding column are respectively in clearance fit with the first sliding groove and the second sliding groove, the first sliding groove is communicated with a liquid storage tank, the second sliding groove is communicated with the liquid storage tank through a connecting pipe, a display is electrically connected with a pressure sensor, a second seat body is fixedly arranged with the first seat body, a clamping head is detachably arranged on the second seat body, two ends of the fixed block are respectively detachably arranged with the first connecting column and the second connecting column, and the device is convenient for adjusting bolt fastening torque, the fastening effect of the bolt is improved.

Description

Portable bolt fastening device

Technical Field

The utility model relates to a bolt-up device field particularly, relates to a portable bolt-up device.

Background

In the installation and adjustment process of the bulb tubular water turbine generator set, bolt fastening work is an important process. When fastening the bolt, fastening torque is too big, probably makes the bolt damage, and fastening torque undersize, the fastening dynamics of bolt is not enough, and then influences the installation intensity of bolt, and current bolt-up device is inconvenient controls the fastening torque of bolt, influences the fastening effect of bolt.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a portable bolt-fastening device aims at improving the inconvenient fastening torque to the bolt of current bolt-fastening device and controls, influences the problem of the fastening effect of bolt.

The utility model discloses a realize like this: a portable bolt fastening device comprises a fastening assembly and a force application assembly.

The fastening assembly comprises a first fixing seat, a second fixing seat and a clamping joint, the first fixing seat comprises a first seat body, a first sliding column, a second sliding column, a connecting pipe, a liquid storage box and a pressure sensor, the first seat body is provided with a first sliding groove and a second sliding groove, the first sliding column and the second sliding column are respectively installed in the first sliding groove and the second sliding groove in a sliding mode, the first sliding groove and the second sliding groove are both arranged to be annular grooves, the first sliding column and the second sliding column are respectively in clearance fit with the first sliding groove and the second sliding groove, the first sliding column and the second sliding column are respectively and fixedly connected with a first connecting column and a second connecting column, the first sliding groove is communicated with the liquid storage box, the second sliding groove is communicated with the liquid storage box through the connecting pipe, the pressure sensor is installed in the liquid storage box, the second fixing seat comprises a second seat body and a display, the display install in the second pedestal, the display with pressure sensor electric connection, third spout and fourth spout have been seted up to the second pedestal, first spout the second spout the third spout with fourth spout intussuseption is filled with hydraulic oil, first movable groove and second movable groove have been seted up to the second pedestal, first movable groove with the second movable groove respectively with the third spout with the fourth spout intercommunication, first spliced pole with the second spliced pole run through respectively in first movable groove with the second movable groove, the second pedestal with first pedestal fixed mounting, joint head demountable installation in the second pedestal.

The force application component comprises a fixed block, an inner rod and a loop bar, the two ends of the fixed block are respectively detachably mounted on the first connecting column and the second connecting column, the inner rod is fixedly connected to the middle of the fixed block, and the inner rod is slidably mounted on the loop bar.

In an embodiment of the present invention, a rubber pad is disposed between the first seat and the second seat.

In an embodiment of the present invention, a rubber layer is disposed between the first sliding column and the first sliding groove and between the second sliding column and the fourth sliding groove.

The utility model discloses an in an embodiment, the joint head includes joint portion and installation department, the draw-in groove has been seted up to joint portion, installation department fixed connection in joint portion, the installation department sets up to square, square groove has been seted up to first pedestal bottom, joint portion with square groove clearance fit.

In an embodiment of the present invention, the joint head is provided with a plurality of grooves, and the grooves are different.

The utility model discloses an in an embodiment, the fixed cover of the equal fixedly connected with in both ends of fixed block, the fixed cover at fixed block both ends all is provided with two, first spliced pole with the second spliced pole respectively with the fixed cover clearance fit at fixed block both ends.

In an embodiment of the present invention, the inner rod and the sleeve rod are both set to be square.

In an embodiment of the present invention, the upper surface of the inner rod is provided with scale marks.

In an embodiment of the present invention, the sleeve rod is provided with a threaded knob.

The utility model discloses an in one embodiment, the loop bar is kept away from the one end fixedly connected with handle of interior pole, the handle is kept away from the one end fixedly connected with dog of loop bar, the rubber sleeve has cup jointed on hand.

The utility model has the advantages that: the utility model provides a portable bolt-up device that obtains through above-mentioned design, when using, joint the bolt through the joint, make first fixing base and second fixing base rotate through rotating the loop bar, second fixing base drives the joint and fastens the bolt, when fastening the bolt, first traveller and second traveller extrude the hydraulic oil in first spout, second spout, third spout and the fourth spout, the pressure of hydraulic oil transmits to the liquid reserve tank, and then monitor pressure through pressure sensor, the moment is the product of arm of force and power, the arm of force is the diameter of first traveller and second traveller, and then show the moment size through the display, adjust the force application arm of force through the flexible on the inner boom of loop bar, and then adjust the application of force size, the device simple structure, and is convenient to carry, be convenient for watch on the bolt-up moment, the fastening force can be adjusted according to the optimal moment of the bolt, so that the bolt can easily achieve the optimal fastening effect, and the fastening effect of the bolt is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a portable bolt fastening device according to an embodiment of the present invention;

fig. 2 is an exploded view of a fastening assembly provided by an embodiment of the present invention;

fig. 3 is another exploded view of a fastening assembly provided by an embodiment of the present invention;

fig. 4 is a side sectional view of a liquid storage tank according to an embodiment of the present invention;

fig. 5 is a schematic diagram of several shapes of a card slot provided in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a force application assembly according to an embodiment of the present invention;

fig. 7 is a front cross-sectional view of a loop bar according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a fixing block according to an embodiment of the present invention.

In the figure: 100-a fastening assembly; 110-a first fixed seat; 111-a first seat; 1111-a first runner; 1112-a second runner; 1113-square groove; 113-a first traveler; 1131 — first connecting column; 114-a second traveler; 1141-a second connecting column; 115-connecting tube; 116-a reservoir; 117-pressure sensor; 120-a second fixed seat; 121-a second seat body; 1211-third chute; 1212-a fourth chute; 1213-first active slot; 1214-a second active slot; 122 — a display; 130-a bayonet joint; 131-a clamping part; 1311-card slot; 132-a mounting portion; 200-a force application assembly; 210-fixed block; 211-a fixation sleeve; 220-inner rod; 221-scale line; 230-a loop bar; 231-a threaded knob; 240-a handle; 241-a stop.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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", 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 to simplify the description, but 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 therefore 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more 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; either directly or indirectly through intervening media, either internally or in any other relationship. 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 disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a technical solution: a portable bolt fastening device comprises a fastening assembly 100 and a force application assembly 200.

Referring to fig. 2 and 3, the fastening assembly 100 includes a first fixing base 110, a second fixing base 120 and a clamping joint 130, the first fixing base 110 includes a first seat 111, a first sliding pillar 113, a second sliding pillar 114, a connecting pipe 115, a liquid storage tank 116 and a pressure sensor 117, the first seat 111 is provided with a first sliding groove 1111 and a second sliding groove 1112, the first sliding pillar 113 and the second sliding pillar 114 are respectively slidably mounted in the first sliding groove 1111 and the second sliding groove 1112, the first sliding groove 1111 and the second sliding groove 1112 are both configured as annular grooves, the first sliding pillar 113 and the second sliding pillar 114 are respectively in clearance fit with the first sliding groove 1111 and the second sliding groove 1112, the first connecting pillar 1131 and the second connecting pillar 1141 are respectively fixedly welded on the first sliding pillar 113 and the second sliding pillar 114, the first sliding groove 1111 is communicated with the liquid storage tank 116, the second sliding groove 1112 is communicated with the liquid storage tank 116 through the connecting pipe 115, the pressure sensor 117 is mounted on the liquid storage tank 116, referring to fig. 4, the sensing part of the pressure sensor 117 is installed inside the liquid storage tank 116, the second fixing seat 120 includes a second seat body 121 and a display 122, the display 122 is installed on the second seat body 121 through a bolt, the display 122 is electrically connected with the pressure sensor 117, it should be noted that a single chip microcomputer is installed inside the pressure sensor 117, a pressure value monitored by the pressure sensor 117 is transmitted to the single chip microcomputer, the single chip microcomputer analyzes the pressure and multiplies the pressure with a force arm to obtain a moment, the single chip microcomputer transmits the moment to the display, so that the moment is displayed on the display by the fastening moment of the bolt, the second seat body 121 is provided with a third chute 1211 and a fourth chute 1212, the first chute 1111 and the third chute 1211 correspondingly form an annular cavity, the second chute 1112 and the fourth chute 1212 correspondingly cooperate to form an annular cavity, and the first chute 1111, the second chute 1112, the third chute 1211 and the fourth chute 1212 are filled with hydraulic oil, the second seat body 121 is provided with a first movable groove 1213 and a second movable groove 1214, the first movable groove 1213 and the second movable groove 1214 are respectively communicated with a third sliding groove 1211 and a fourth sliding groove 1212, the first connecting column 1131 and the second connecting column 1141 respectively penetrate through the first movable groove 1213 and the second movable groove 1214, the second seat body 121 and the first seat body 111 are fixedly installed through bolts, the clamping head 130 includes a clamping portion 131 and an installation portion 132, the clamping portion 131 is provided with a clamping groove 1311, the installation portion 132 is fixedly connected to the clamping portion 131, the installation portion 132 is square, the bottom of the first seat body 111 is provided with a square groove 1113, the clamping portion 131 is in clearance fit with the square groove 1113, the clamping head 130 is provided with a plurality of clamping grooves 1311, shapes of the clamping heads 130 are different, fig. 5 shows several shapes of the clamping grooves 1, the arrangement of the plurality of clamping heads 130 can be replaced according to the shape of the bolts, and is convenient to use.

In some embodiments, a rubber pad is disposed between the first seat 111 and the second seat 121, so as to increase the sealing performance between the first seat 111 and the second seat 121.

In some specific embodiments, a rubber layer is disposed between the first sliding column 113 and the first sliding groove 1111 and the third sliding groove 1211, a rubber layer is also disposed between the second sliding column 114 and the second sliding groove 1112 and the fourth sliding groove 1212, and the first sliding column 113 and the second sliding column 114 are in interference fit with the rubber layer to increase the sealing performance between the first sliding column 113 and the annular cavity and between the second sliding column 114 and the annular cavity.

Referring to fig. 6 and 7, the force application assembly 200 includes a fixed block 210, an inner rod 220 and a sleeve rod 230, two ends of the fixed block 210 are detachably mounted with the first connection post 1131 and the second connection post 1141, the inner rod 220 is fixedly connected to the middle portion of the fixed block 210, the inner rod 220 is slidably mounted on the sleeve rod 230, and the inner rod 220 and the sleeve rod 230 are both square, so that the inner rod 220 and the sleeve rod 230 cannot rotate when applying force.

Referring to fig. 8, in some specific embodiments, two fixing sleeves 211 are fixedly connected to two ends of the fixing block 210, two fixing sleeves 211 are disposed at two ends of the fixing block 210, two first connecting columns 1131 and two second connecting columns 1141 are disposed, the first connecting columns 1131 and the second connecting columns 1141 are respectively in clearance fit with the fixing sleeves 211 at two ends of the fixing block 210, so as to facilitate the mounting and dismounting of the force application assembly 200 and the fastening assembly 100, and the two first connecting columns 1131, the two second connecting columns 1141 and the fixing sleeves 211 increase the fixing effect between the force application assembly 200 and the fastening assembly 100.

In some embodiments, the inner rod 220 has a graduation mark 221 on the upper surface thereof, and the graduation mark 221 is disposed to facilitate adjustment of the length of the telescopic rod 230 on the inner rod 220.

In some embodiments, a threaded knob 231 is threadedly mounted on the stem 230, and the threaded knob 231 is used to fix the stem 230 to the inner rod 220.

In some specific embodiments, one end of the loop bar 230 away from the inner rod 220 is fixedly connected with a handle 240, one end of the handle 240 away from the loop bar 230 is fixedly connected with a stopper 241, the handle 240 is sleeved with a rubber sleeve, the arrangement of the handle 240 facilitates force application, and the arrangement of the stopper 241 and the rubber sleeve reduces the probability of hand slippage.

The working principle is as follows: when the bolt fastening device is used, a bolt is clamped through the clamping connector 130, the first fixing seat 110 and the second fixing seat 120 are rotated by rotating the sleeve rod 230, the second fixing seat 120 drives the clamping connector 130 to fasten the bolt, when the bolt is fastened, the first sliding column 113 and the second sliding column 114 extrude hydraulic oil in the first sliding chute 1111, the second sliding chute 1112, the third sliding chute 1211 and the fourth sliding chute 1212, the pressure of the hydraulic oil is transmitted into the liquid storage tank 116, the pressure is further monitored through the pressure sensor 117, the moment is a product of a moment arm and force, the moment arm is the diameter of the first sliding column 113 and the second sliding column 114, the single chip microcomputer is arranged inside the pressure sensor 117, the pressure value monitored by the pressure sensor 117 is transmitted to the single chip microcomputer, the single chip microcomputer analyzes the pressure and obtains the moment by multiplying the pressure and the moment arm, the single chip microcomputer transmits the moment to the display 122, and the moment is displayed on the display 122 by the fastening moment of the bolt, the force application arm is adjusted by the telescoping of the loop bar 130 on the inner bar 120, and then the force application size is adjusted, and then the fastening force of the bolt is adjusted, and then the fastening torque of the bolt is adjusted.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable bolt-tightening apparatus, characterized by comprising

Fastening assembly (100), fastening assembly (100) includes first fixing base (110), second fixing base (120) and joint (130), first fixing base (110) includes first pedestal (111), first traveller (113), second traveller (114), connecting pipe (115), liquid reserve tank (116) and pressure sensor (117), first spout (1111) and second spout (1112) have been seted up to first pedestal (111), first traveller (113) with second traveller (114) slidable mounting respectively in first spout (1111) with in second spout (1112), first spout (1111) with second spout (1112) all set up to the ring channel, first traveller (113), second traveller (114) respectively with first spout (1111), second spout (1112) clearance fit, first traveller (113), The second sliding column (114) is respectively and fixedly connected with a first connecting column (1131) and a second connecting column (1141), the first sliding groove (1111) is communicated with the liquid storage tank (116), the second sliding groove (1112) is communicated with the liquid storage tank (116) through the connecting pipe (115), the pressure sensor (117) is installed in the liquid storage tank (116), the second fixing seat (120) comprises a second seat body (121) and a display (122), the display (122) is installed in the second seat body (121), the display (122) is electrically connected with the pressure sensor (117), the second seat body (121) is provided with a third sliding groove (1211) and a fourth sliding groove (1212), the first sliding groove (1111), the second sliding groove (1112), the third sliding groove (1211) and the fourth sliding groove (1212) are filled with hydraulic oil, the second seat body (121) is provided with a first movable groove (1213) and a second movable groove (1214), the first movable groove (1213) and the second movable groove (1214) are respectively communicated with the third sliding groove (1211) and the fourth sliding groove (1212), the first connecting column (1131) and the second connecting column (1141) respectively penetrate through the first movable groove (1213) and the second movable groove (1214), the second seat body (121) and the first seat body (111) are fixedly installed, and the clamping joint (130) is detachably installed on the second seat body (121);

force application subassembly (200), force application subassembly (200) include fixed block (210), interior pole (220) and loop bar (230), the both ends of fixed block (210) respectively with first spliced pole (1131) second spliced pole (1141) demountable installation, interior pole (220) fixed connection in fixed block (210) middle part, interior pole (220) slidable mounting in loop bar (230).

2. The portable bolt fastening device according to claim 1, wherein a rubber pad is provided between the first housing (111) and the second housing (121).

3. The portable bolt fastening device according to claim 1, wherein a rubber layer is provided between the first spool (113) and the first and third sliding grooves (1111, 1211), and a rubber layer is also provided between the second spool (114) and the second and fourth sliding grooves (1112, 1212).

4. The portable bolt fastening device according to claim 1, wherein the clamping joint (130) comprises a clamping portion (131) and a mounting portion (132), the clamping portion (131) is provided with a clamping groove (1311), the mounting portion (132) is fixedly connected to the clamping portion (131), the mounting portion (132) is square, a square groove (1113) is formed in the bottom of the first seat (111), and the clamping portion (131) and the square groove (1113) are in clearance fit.

5. The portable bolt-fastening device according to claim 4, wherein the bayonet head (130) is provided in a plurality of numbers, and the shapes of the bayonet grooves (1311) on the bayonet head (130) are different.

6. The portable bolt fastening device according to claim 1, wherein fixing sleeves (211) are fixedly connected to both ends of the fixing block (210), two fixing sleeves (211) are provided at both ends of the fixing block (210), two first connecting columns (1131) and two second connecting columns (1141) are provided, and the first connecting columns (1131) and the second connecting columns (1141) are respectively clearance-fitted with the fixing sleeves (211) at both ends of the fixing block (210).

7. The portable bolt fastening device according to claim 1, wherein the inner rod (220) and the loop rod (230) are provided in a square shape.

8. The portable bolt fastening device according to claim 1, wherein the upper surface of the inner rod (220) is provided with scale lines (221).

9. The portable bolt fastening device according to claim 1, wherein a screw knob (231) is screw-mounted on the shank (230).

10. The portable bolt fastening device according to claim 1, wherein a handle (240) is fixedly connected to one end of the loop bar (230) far away from the inner bar (220), a stopper (241) is fixedly connected to one end of the handle (240) far away from the loop bar (230), and a rubber sleeve is sleeved on the handle (240).