CN216119202U - Assembled pulley block stress experiment demonstration equipment - Google Patents
Assembled pulley block stress experiment demonstration equipment Download PDFInfo
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- CN216119202U CN216119202U CN202122775431.3U CN202122775431U CN216119202U CN 216119202 U CN216119202 U CN 216119202U CN 202122775431 U CN202122775431 U CN 202122775431U CN 216119202 U CN216119202 U CN 216119202U
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- sliding sleeve
- welded
- pulley
- vertical sliding
- push rod
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- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses assembled pulley block stress experiment demonstration equipment which comprises a base, wherein support rods are welded on the left side and the right side of the top of the base, three cross beams are arranged between the two support rods, vertical sliding sleeves are welded on the two sides of each cross beam, the vertical sliding sleeves are slidably sleeved on the surfaces of the support rods, a limiting assembly is connected on the rear side of each vertical sliding sleeve, a horizontal sliding sleeve is slidably sleeved on the surface of each cross beam, a rotatable pulley is installed on the front side of each horizontal sliding sleeve, a fixing lug is welded at the bottom of the right side of the support rod on the right side, and a winch is installed on the front side of each fixing lug. According to the utility model, the vertical heights of the cross beam and the pulley are adjusted by matching the vertical sliding sleeve and the limiting assembly, and meanwhile, the horizontal position of the pulley can be adjusted by experimenters under the matching use of the horizontal sliding sleeve and the cross beam, so that the purposes of wide experimental angle and convenient and efficient experiment can be achieved.
Description
Technical Field
The utility model belongs to the technical field of pulley block stress experiments, and particularly relates to assembled pulley block stress experiment demonstration equipment.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
In the existing pulley block stress experiment process, due to the fact that the fixing method is mostly fixed by bolts, experimenters need to frequently rotate the bolts when adjusting the positions and the intervals of the pulley blocks, time and energy of the experimenters are consumed, the bolt fixing mode is adopted, the positions and the intervals which can be adjusted have strong limitations, and the experimenters are inconvenient to experiment.
It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions in the present specification and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present specification.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide assembled pulley block stress experiment demonstration equipment to solve the technical problems that in the existing pulley block stress experiment process, as bolts are mostly adopted for fixing, in the process of adjusting the position and the distance of a pulley block, an experimenter needs to frequently rotate the bolts, the time and the energy of the experimenter are consumed, and in addition, the position and the distance which can be adjusted have strong limitations and the experimenter is inconvenient to perform experiments due to the adoption of the bolt fixing mode.
The technical scheme for solving the technical problems is as follows: assembled assembly pulley atress experiment demonstration equipment, the on-line screen storage device comprises a base, the bracing piece has all been welded to the left and right sides at base top, is provided with three crossbeam between two bracing pieces, vertical sliding sleeve has all been welded to the both sides of crossbeam, vertical sliding sleeve dress is on the surface of bracing piece, the rear side of vertical sliding sleeve is connected with spacing subassembly, the surface sliding sleeve of crossbeam is equipped with horizontal sliding sleeve, rotatable pulley is installed to the front side of horizontal sliding sleeve, and the bottom welding that is located right side bracing piece right side has fixed ear, the capstan winch is installed to the front side of fixed ear.
Preferably, the limiting assembly comprises a push rod penetrating through the inner cavity of the vertical sliding sleeve from the rear side of the vertical sliding sleeve, a sliding chute for the push rod to slide is vertically formed in the supporting rod, a positioning block is welded at the front end of the push rod, and a plurality of positioning grooves matched with the positioning block are formed in the front surface of the supporting rod.
Preferably, the surface cover of push rod is equipped with the spring, the front end and the rear end of spring respectively with vertical sliding sleeve and push rod welding.
Preferably, the top of the inner cavity of the horizontal sliding sleeve is welded with a positioning column, and the top of the cross beam is provided with a plurality of positioning holes clamped with the positioning column.
Preferably, the positive surface welding of horizontal sliding sleeve has the screw rod, the pulley housing is established on the surface of screw rod, the front side threaded connection on screw rod surface has the nut, the rear side and the pulley contact of nut.
Preferably, the reinforcing ribs are welded on the two sides of the top of the base, and one ends, far away from the base, of the reinforcing ribs are welded with the supporting rods.
The utility model has the beneficial effects that:
1. according to the pulley block stress experiment device, the vertical heights of the cross beam and the pulley are adjusted through the matched use of the vertical sliding sleeve and the limiting assembly, and meanwhile, under the matched use of the horizontal sliding sleeve and the cross beam, an experimenter can adjust the horizontal position of the pulley, so that the purposes of wide experiment angle and convenience and high efficiency of experiment can be achieved, and the problems that in the existing pulley block stress experiment process, as the fixing method adopts bolt fixing, the experimenter needs to rotate the bolt frequently in the process of adjusting the position and the distance of the pulley block, the time and the energy of the experimenter are consumed, and the position and the distance which can be adjusted have strong limitations and the experimenter is inconvenient to perform experiments due to the adoption of a bolt fixing mode are solved;
2. the positioning block and the positioning groove are matched for use, so that the limiting and fixing effects on the push rod are achieved, the heights of the cross beam and the vertical sliding sleeve are fixed, and convenience is brought to experimenters for adjusting pulleys with different heights;
3. the positioning column and the positioning hole are matched for use, so that the horizontal sliding sleeve is positioned, and experimenters can conveniently adjust the horizontal position of the pulley;
4. the pulley is convenient for experimenters to rapidly disassemble and assemble through the matched use of the screw rod and the screw cap, so that the pulleys with different radiuses can be conveniently replaced.
Drawings
The above and/or other advantages of the utility model will become more apparent and more readily appreciated from the following detailed description taken in conjunction with the accompanying drawings, which are given by way of illustration only and not by way of limitation, and in which:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a schematic view of a partially exploded structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the base, 2, bracing piece, 3, crossbeam, 4, vertical sliding sleeve, 5, spacing subassembly, 51, push rod, 52, spout, 53, locating piece, 54, positioning groove, 55, spring, 6, horizontal sliding sleeve, 7, pulley, 8, fixed ear, 9, capstan winch, 10, reference column, 11, locating hole, 12, screw rod, 13, nut, 14, strengthening rib.
Detailed Description
Hereinafter, an embodiment of the assembled pulley block force experiment demonstration device of the utility model will be described with reference to the accompanying drawings.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the utility model. Like reference numerals are used to denote like parts.
The assembled pulley block stress experiment demonstration device comprises a base 1, support rods 2 are welded on the left side and the right side of the top of the base 1, reinforcing ribs 14 are welded on the two sides of the top of the base 1, one ends, far away from the base 1, of the reinforcing ribs 14 are welded with the support rods 2, three cross beams 3 are arranged between the two support rods 2, vertical sliding sleeves 4 are welded on the two sides of the cross beams 3, the vertical sliding sleeves 4 are slidably sleeved on the surfaces of the support rods 2, the rear sides of the vertical sliding sleeves 4 are connected with limit components 5, each limit component 5 comprises a push rod 51 penetrating from the rear side of the vertical sliding sleeve 4 to the inner cavity of the vertical sliding sleeve 4, a sliding groove 52 for the push rod 51 to slide is vertically formed in each support rod 2, a positioning block 53 is welded at the front end of each push rod 51, a plurality of positioning grooves 54 matched with the positioning blocks 53 are formed in the front surface of each support rod 2, a spring 55 is sleeved on the surface of each push rod 51, and the front end and the rear end of each spring 55 are respectively welded with the vertical sliding sleeves 4 and the push rod 51, the positioning block 53 and the positioning groove 54 are matched for use, the push rod 51 is limited and fixed, then the height of the cross beam 3 and the vertical sliding sleeve 4 is fixed, and convenience is brought to adjustment of the experimental personnel on the pulleys 7 with different heights.
The surface sliding sleeve of crossbeam 3 is equipped with horizontal sliding sleeve 6, and rotatable pulley 7 is installed to the front side of horizontal sliding sleeve 6, and the bottom welding that is located 2 right sides of right side bracing piece has fixed ear 8, and capstan winch 9 is installed to the front side of fixed ear 8. The top welding of 6 inner chambers of horizontal sliding sleeve has reference column 10, and a plurality of locating holes 11 with reference column 10 looks block are seted up at the top of crossbeam 3, use through the cooperation of reference column 10 and locating hole 11, have played the positioning action to horizontal sliding sleeve 6 to the experimenter has made things convenient for the horizontal position of pulley 7 to adjust. The positive skin weld of horizontal sliding sleeve 6 has screw rod 12, and pulley 7 cover is established on the surface of screw rod 12, and the front side threaded connection on screw rod 12 surface has nut 13, and the rear side and the pulley 7 contact of nut 13 use through the cooperation of screw rod 12 and nut 13, have made things convenient for the experimenter to pulley 7 quick assembly disassembly to make things convenient for not the pulley 7 of different radiuses of change.
This assembled assembly pulley atress experiment demonstration equipment is when using, overlaps the pulley 7 on the surface of screw rod 12 to twist nut 13 to the tip of screw rod 12 fixes a position pulley 7, then the experimenter adjusts vertical interval and horizontal interval between each pulley 7 according to the needs of experiment. During adjustment, the experimenter holds vertical sliding sleeve 4, and press push rod 51 to the front side through pointing the abdomen, push rod 51 drives locating piece 53 to move along in compression spring 55, until behind locating piece 53 breaks away from the inner chamber of positioning groove 54, vertical sliding sleeve 4 removes spacingly this moment, the experimenter reciprocates vertical sliding sleeve 4, vertical sliding sleeve 4 drives crossbeam 3 and pulley 7 synchronous motion, adjust the height of pulley 7, after the regulation finishes, loosen push rod 51, push rod 51 resets under the rebound effect of spring 55, push rod 51 drives locating piece 53 card and goes into in the corresponding positioning groove 54 of current height, can to vertical sliding sleeve 4 relocation.
When adjusting pulley 7's horizontal position, the experimenter only need upwards promote horizontal sliding sleeve 6 for the bottom of crossbeam 3 and the bottom contact of the 6 inner chambers of horizontal sliding sleeve, reference column 10 breaks away from the inner chamber of locating hole 11 this moment, and the experimenter carries out the horizontal sliding sleeve 6 along crossbeam 3's surface and slides from side to side, treats to adjust and accomplishes the back, loosens horizontal sliding sleeve 6, and horizontal sliding sleeve 6 drives reference column 10 card under the action of gravity and goes into can in current corresponding locating hole 11.
The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the utility model, so as to achieve the purpose of the utility model.
Claims (6)
1. Assembled assembly pulley atress experiment demonstration equipment, its characterized in that, including base (1), bracing piece (2) have all been welded to the left and right sides at base (1) top, are provided with three crossbeam (3) between two bracing pieces (2), vertical sliding sleeve (4) have all been welded to the both sides of crossbeam (3), vertical sliding sleeve (4) slip suit is on the surface of bracing piece (2), the rear side of vertical sliding sleeve (4) is connected with spacing subassembly (5), the surface slip suit of crossbeam (3) has horizontal sliding sleeve (6), rotatable pulley (7) are installed to the front side of horizontal sliding sleeve (6), and the bottom welding that is located right side bracing piece (2) right side has fixed ear (8), capstan winch (9) are installed to the front side of fixed ear (8).
2. The assembled pulley block stress experiment demonstration device according to claim 1, wherein the limiting component (5) comprises a push rod (51) penetrating from the rear side of the vertical sliding sleeve (4) to the inner cavity of the vertical sliding sleeve (4), a sliding groove (52) for the push rod (51) to slide is vertically formed in the support rod (2), a positioning block (53) is welded at the front end of the push rod (51), and a plurality of positioning grooves (54) matched with the positioning block (53) are formed in the front surface of the support rod (2).
3. The assembled pulley block stress experiment demonstration device according to claim 2, wherein a spring (55) is sleeved on the surface of the push rod (51), and the front end and the rear end of the spring (55) are respectively welded with the vertical sliding sleeve (4) and the push rod (51).
4. The assembled pulley block stress experiment demonstration device according to claim 3, wherein a positioning column (10) is welded on the top of the inner cavity of the horizontal sliding sleeve (6), and a plurality of positioning holes (11) clamped with the positioning columns (10) are formed in the top of the cross beam (3).
5. The assembled pulley block stress experiment demonstration device according to claim 4, wherein a screw (12) is welded on the front surface of the horizontal sliding sleeve (6), the pulley (7) is sleeved on the surface of the screw (12), a nut (13) is connected to the front side of the surface of the screw (12) in a threaded manner, and the rear side of the nut (13) is in contact with the pulley (7).
6. The assembled pulley block stress experiment demonstration device according to claim 5, wherein reinforcing ribs (14) are welded to two sides of the top of the base (1), and one end, away from the base (1), of each reinforcing rib (14) is welded to the support rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122775431.3U CN216119202U (en) | 2021-11-14 | 2021-11-14 | Assembled pulley block stress experiment demonstration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122775431.3U CN216119202U (en) | 2021-11-14 | 2021-11-14 | Assembled pulley block stress experiment demonstration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216119202U true CN216119202U (en) | 2022-03-22 |
Family
ID=80716182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122775431.3U Expired - Fee Related CN216119202U (en) | 2021-11-14 | 2021-11-14 | Assembled pulley block stress experiment demonstration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216119202U (en) |
-
2021
- 2021-11-14 CN CN202122775431.3U patent/CN216119202U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |