CN211347059U

CN211347059U - Slow descending device used in weight metering verification

Info

Publication number: CN211347059U
Application number: CN202020408351.7U
Authority: CN
Inventors: 于春红
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-08-25
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a slow device that falls that is arranged in weight measurement to examine, including base plate, bearing one, protection tube, worm, turbine, internal thread pipe, horizontal extension board, about board and restraint groove, internal thread pipe upper end one side is equipped with about piece that cooperation restraint groove used, one side below that the worm was kept away from to horizontal extension board is equipped with the after-fixing board, after-fixing board upper end one side is equipped with bearing two, the grafting has the screw rod in the two inner circles of bearing, the same horizontal extension board threaded connection of screw rod upper end, the screw rod extends to horizontal extension board upper end and is equipped with the cross handle, the after-fixing board front end is equipped with the preceding fixed plate, all be equipped with the arc inner groovy that mutually supports and use on preceding fixed plate and the after-fixing board, one side that preceding fixed plate and after-fixing board. Compared with the prior art, the utility model the advantage lie in: the weight centre gripping is tight, uses simply easy control.

Description

Slow descending device used in weight metering verification

Technical Field

The utility model relates to a weight metrological verification equipment correlation technique field specifically indicates a slowly fall device that is arranged in weight metrological verification.

Background

Weights are embodiments of mass units having a defined mass for measuring the mass of an object and for calibrating various balances and scales, and therefore require periodic calibration. When the weight verification and correction are carried out, one important step is that the weight which passes the detection is slowly hung on the same position on the table top through a corresponding tool, meanwhile, the position of the original tongue is kept to be fixed, and the balance of a metering lever in the whole process is carefully observed, so that the weight verification is carried out. At present, hand-operated hoist is adopted in slowly falling of middle-size and small-size weight, and at manual slowly falling in-process, the weight easily takes place the yaw, makes the error appear easily in the examination result, and in addition, the slow device that falls in the weight measurement of prior art examines can not fasten the weight centre gripping, produces easily and rocks, if can influence the actual weight of weight with the hand touch.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above-mentioned defect, provide a weight centre gripping fastening, easy to use control be used for weight measurement to examine well slow device that falls.

In order to solve the technical problem, the utility model provides a technical scheme does: a slow descending device used in weight metering verification comprises a base plate, wherein a first bearing is embedded in the upper end of the base plate, a protection pipe is arranged at the upper end of the base plate and positioned around the first bearing, a worm is inserted in an inner ring of the first bearing, a turbine is meshed at the front side of the lower end of the worm, an inner thread pipe is in threaded connection with the upper end of the worm, a transverse support plate is arranged at the upper end of one side of the inner thread pipe, a restraint plate is arranged at the upper end of one side of the protection pipe away from the transverse support plate, a restraint groove is formed in the restraint plate, a restraint block matched with the restraint groove is arranged at one side of the upper end of the inner thread pipe, a rear fixing plate is arranged below one side of the transverse support plate away from the worm, a second bearing is arranged at one side of the, the front end of the rear fixing plate is provided with a front fixing plate, the front fixing plate and the rear fixing plate are respectively provided with an arc inner groove which is matched with each other for use, and one sides of the front fixing plate and the rear fixing plate, which are close to the second bearing, are hinged through a rotating shaft.

Compared with the prior art, the utility model the advantage lie in: compared with the prior art, the utility model discloses a rotate handle and cross handle and carry out the control that the weight reciprocated, control method simply is convenient for control, in addition, the utility model discloses a neck play that sets up preceding fixed plate and after-fixing board centre gripping weight is fixed, can effectively fix the weight and can not produce and rock.

As an improvement, a limiting rod is arranged at the edge of one side, provided with a bearing II, of the upper end of the rear fixing plate, the upper end of the limiting rod extends to the upper side of the transverse support plate, and a limiting hole used by the limiting rod is formed in the transverse support plate. The restraint rod can be matched with the restraint hole for use, the rear fixing plate is restrained, and the rear fixing plate can be prevented from rotating.

As an improvement, the front fixing plate and the rear fixing plate are respectively provided with a fixing piece at the other side hinged with each other, and the fixing pieces are fixedly connected through a threaded bolt. The mounting and the threaded bolt can be used in a matched mode, the front fixing plate and the rear fixing plate can be fixed, and the weight can be clamped conveniently.

As the improvement, it has the dwang to peg graft in the worm, dwang one section extends to the protection tube outside and is equipped with the rotation handle, be equipped with on the protection tube and cup joint in the bearing three of dwang. The rotating handle and the rotating rod can be matched to control the rotation of the turbine, so that the height of the internally threaded pipe is controlled.

As an improvement, four corners of the lower end of the base plate are provided with sliding wheels. The function of movable pulley is can control slowly to fall the device and remove and lift the weight after the centre gripping weight is finished.

As an improvement, semicircular silica gel protection pads are arranged inside the arc-shaped inner grooves. Silica gel protection pad can protect the weight not impaired when supporting the weight to increased clamping capacity, even the weight neck is less also can the centre gripping.

Drawings

Fig. 1 is a schematic structural view of a descent control device used in weight measurement and verification of the present invention.

Fig. 2 is a schematic structural diagram of a front fixed plate and a rear fixed plate of a slow descending device used in weight measurement and verification of the present invention.

As shown in the figure: 1. the device comprises a base plate, 2, a first bearing, 3, a worm, 4, an internal thread pipe, 5, a turbine, 6, a protection pipe, 7, a transverse support plate, 8, a constraint plate, 9, a constraint block, 10, a constraint groove, 11, a rear fixing plate, 12, a front fixing plate, 13, a second bearing, 14, a screw rod, 15, a rotating shaft, 16, an arc-shaped inner groove, 17, a silica gel protection pad, 18, a fixing piece, 19, a threaded bolt, 20, a constraint rod, 21, a constraint hole, 22, a rotating rod, 23, a third bearing, 24, a rotating handle, 25, a cross handle, 26 and a sliding wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached drawing 1, a slow descending device for weight measurement and verification comprises a substrate 1, a bearing I2 is embedded in the upper end of the substrate 1, a protection tube 6 is arranged around the bearing I2 at the upper end of the substrate 1, a worm 3 is inserted in the inner ring of the bearing I2, a turbine 5 is meshed on the front side of the lower end of the worm 3, an internal thread tube 4 is connected to the upper end of the worm 3 in a threaded manner, a cross support plate 7 is arranged at the upper end of one side of the internal thread tube 4, a restraint plate 8 is arranged at the upper end of one side, away from the cross support plate 7, of the protection tube 6, a restraint groove 10 is arranged on the restraint plate 8, a restraint block 9 used in cooperation with the restraint groove 10 is arranged at one side of the upper end of the internal thread tube 4, a rear fixing plate 11 is arranged below one side, away from the worm 3, of the, the upper end of the screw rod 14 is in threaded connection with the transverse support plate 7, the screw rod 14 extends to the upper end of the transverse support plate 7 and is provided with a cross handle 25, the front end of the rear fixing plate 11 is provided with a front fixing plate 12, the front fixing plate 12 and the rear fixing plate 11 are respectively provided with an arc inner groove 16 which are matched with each other for use, and one sides of the front fixing plate 12 and the rear fixing plate 11, which are close to the second bearing 13, are hinged through a rotating shaft 15.

And a restraint rod 20 is arranged at the edge of one side of the upper end of the rear fixing plate 11, which is provided with the second bearing 13, the upper end of the restraint rod 20 extends to the upper part of the transverse support plate 7, and a restraint hole 21 used by the restraint rod 20 is formed in the transverse support plate 7.

The front fixing plate 12 and the rear fixing plate 11 are provided with fixing pieces 18 at the other side hinged to each other, and the fixing pieces 18 are fixedly connected with each other through a threaded bolt 19.

Have peg graft in the worm 5 dwang 22, dwang 22 one section extends to the protection tube 6 outside and is equipped with and rotates handle 24, be equipped with on the protection tube 6 and cup joint in the bearing three 23 of dwang 22.

Four corners of the lower end of the base plate 1 are provided with sliding wheels 26.

And semicircular silica gel protection pads 17 are arranged inside the arc-shaped inner grooves 16.

When the utility model is implemented, the utility model is used specifically, firstly the rotating handle 24 is controlled to control the height of the horizontal support plate 7 in a rotating way, the rotating handle 24 is controlled to control the rotation of the rotating rod 22 and the turbine 5, the bearing III 23 increases the rotatability of the rotating rod 22, the turbine 5 rotates to drive the worm 3 to rotate, the worm 3 rotates to control the internal thread tube 4 to move up and down and simultaneously control the horizontal support plate 7 to move up and down, the external thread tube 4 can not rotate and can move up and down because of the matching use of the restraint groove 10 and the restraint block 9 during the rotation, the cross handle 25 is controlled to control the screw 14 to rotate after the height of the horizontal support plate 7 is adjusted, the height of the front fixing plate 12 and the height of the rear fixing plate 11 are controlled to be adjusted to the height which can just contact with the weight neck, the arc-shaped groove 16 and the silica gel protection point 17 can be sleeved on the weight neck, the weight is clamped and fixed through the threaded bolt 19 and the fixing piece 18, then the movement of the sliding wheel 26 movement control device is received, and the operation is repeated to put down the weight.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a slowly fall device for weight measurement is examined and is put, includes base plate (1), the embedded bearing (2) that have in base plate (1) upper end, base plate (1) upper end is located bearing (2) and is equipped with protection tube (6) all around, its characterized in that: the worm (3) is inserted into the inner ring of the first bearing (2), the front side of the lower end of the worm (3) is meshed with a turbine (5), the upper end of the worm (3) is in threaded connection with an internal threaded pipe (4), a transverse supporting plate (7) is arranged at the upper end of one side of the internal threaded pipe (4), a restraint plate (8) is arranged at the upper end of one side, away from the transverse supporting plate (7), of the protection pipe (6), a restraint groove (10) is formed in the restraint plate (8), a restraint block (9) matched with the restraint groove (10) for use is arranged at one side of the upper end of the internal threaded pipe (4), a rear fixing plate (11) is arranged below one side, away from the worm (3), of the transverse supporting plate (7), a second bearing (13) is arranged at one side of the upper end of the rear fixing plate (11), a screw rod (14), the screw rod (14) extends to the upper end of the transverse support plate (7) and is provided with a cross handle (25), the front end of the rear fixing plate (11) is provided with a front fixing plate (12), the front fixing plate (12) and the rear fixing plate (11) are provided with arc inner grooves (16) which are matched with each other for use, and one sides of the front fixing plate (12) and the rear fixing plate (11) close to the second bearing (13) are hinged through a rotating shaft (15).

2. The descent control device for weight measurement and verification according to claim 1, wherein: and a restraint rod (20) is arranged at the edge of one side of the upper end of the rear fixing plate (11) provided with the second bearing (13), the upper end of the restraint rod (20) extends to the upper part of the transverse support plate (7), and a restraint hole (21) used by the restraint rod (20) is formed in the transverse support plate (7).

3. The descent control device for weight measurement and verification according to claim 1, wherein: the front fixing plate (12) and the rear fixing plate (11) are located on the other sides hinged to each other and are provided with fixing pieces (18), and the fixing pieces (18) are fixedly connected through threaded bolts (19).

4. The descent control device for weight measurement and verification according to claim 1, wherein: have connect dwang (22) in turbine (5) interpolation, dwang (22) one section extend to protection tube (6) outside and be equipped with rotation handle (24), be equipped with on protection tube (6) and cup joint in bearing three (23) of dwang (22).

5. The descent control device for weight measurement and verification according to claim 1, wherein: and four corners of the lower end of the base plate (1) are provided with sliding wheels (26).

6. The descent control device for weight measurement and verification according to claim 1, wherein: and semicircular silica gel protection pads (17) are arranged inside the arc-shaped inner grooves (16).