CN218966921U - Safety device for preventing trolley from sliding in inclined shaft construction - Google Patents
Safety device for preventing trolley from sliding in inclined shaft construction Download PDFInfo
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- CN218966921U CN218966921U CN202223042509.1U CN202223042509U CN218966921U CN 218966921 U CN218966921 U CN 218966921U CN 202223042509 U CN202223042509 U CN 202223042509U CN 218966921 U CN218966921 U CN 218966921U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a safety device for preventing a trolley from sliding in inclined shaft construction, which belongs to the technical field of preventing the trolley from sliding in inclined shaft construction, and comprises a fixed groove plate, wherein a two-way transmission screw rod which is movably connected is inserted in the fixed groove plate, and a multi-point locking assembly is sleeved on the outer wall of the two-way transmission screw rod; the multi-point locking assembly comprises a first threaded collar T-shaped support plate sleeved on the outer wall of the bidirectional transmission screw. According to the utility model, the multi-point locking assembly is arranged, the bidirectional transmission screw drives the first threaded lantern ring T-shaped support plate to move leftwards under the action of threads, the second threaded lantern ring T-shaped support plate to move rightwards under the action of threads, the arc friction plate drives the friction racks to move, and the four trolley wheels can be locked and fixed synchronously, so that the trolley cannot slide up and down on a track, the multi-point locking stability is better, and the anti-sliding effect is better.
Description
Technical Field
The utility model relates to the technical field of trolley sliding prevention in inclined shaft construction, in particular to a safety device for trolley sliding prevention in inclined shaft construction.
Background
The inclined shaft excavation is an inclined support hole applied to the construction of a ventilation shaft, an outlet shaft, a drainage shaft, a pressure pipeline, a transportation (traffic) shaft, a tunnel and the like of a hydropower station, is generally constructed by adopting a drilling blasting method, and has two modes of full-section excavation and reverse guide shaft expansion excavation, so that a trolley is required to be used for realizing inclined transportation of goods during the inclined shaft construction, and a mounting device is required to be used for easily causing the trolley to slide in the inclined process, thereby playing a role of preventing the sliding.
Patent publication No. CN111717232A discloses a inclined shaft promotes anti-running device among the prior art, including buffering rail and go-between, buffering rail one end is established to the pointed cone form, and the other end sets up the go-between, and the rear of a vehicle corresponds the go-between and sets up the solid fixed ring, and guy fixed ring and go-between pass through the connecting piece connection. The utility model prevents the mine car from sliding accidentally, and improves the safety of inclined shaft lifting.
However, the following drawbacks are also encountered in the use of the safety device for preventing the trolley from sliding:
when the safety device prevents the trolley from sliding, the friction force between the end part of the buffer guide rail and the inclined surface of the inclined shaft skin needs to be increased, although a certain friction force can be generated, the contact position of the friction point cannot be directly locked with the rail, and the contact point is fewer, and the safety device can also generate a certain friction sliding under the action of gravity, so that the synchronous locking of multiple points cannot be realized, and the trolley sliding prevention effect is poor.
Disclosure of Invention
The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art, therefore, the utility model provides a safety device for preventing the trolley from sliding in inclined shaft construction, which aims at solving the technical problems that in the prior art, friction points cannot be directly locked at contact positions with a track, contact points are fewer, certain friction sliding can be generated under the action of gravity, multi-point synchronous locking cannot be realized, and the trolley sliding prevention effect is poor.
In order to achieve the above object, the present utility model provides the following technical solutions: the safety device for preventing the trolley from sliding in the inclined shaft construction comprises a fixed groove plate, wherein a two-way transmission screw rod which is movably connected is inserted in the fixed groove plate, and a multi-point locking assembly is sleeved on the outer wall of the two-way transmission screw rod;
the multi-point locking assembly comprises a first thread sleeve T-shaped support plate sleeved on the outer wall of a bidirectional transmission screw, a second thread sleeve T-shaped support plate is arranged on the outer wall of the bidirectional transmission screw and positioned at one side of the first thread sleeve T-shaped support plate, two pushing support rods are fixedly connected to the opposite sides of the second thread sleeve T-shaped support plate and the first thread sleeve T-shaped support plate, an arc friction plate is welded to one end of each pushing support rod, a plurality of friction racks are distributed on the inner wall of the arc friction plate at equal intervals in an arc shape, and a servo speed reducing motor is fixedly connected to one end of the bidirectional transmission screw in a coaxial transmission mode.
Preferably, the T-shaped support plates of the first thread lantern ring and the T-shaped support plates of the second thread lantern ring are in threaded connection with the bidirectional transmission screw, two threads on the outer wall of the bidirectional transmission screw are opposite and symmetrically arranged, a plurality of friction racks are fixedly connected with the arc friction plates, and the vertical section shape of each friction rack is isosceles trapezoid.
Preferably, the outer wall of arc friction plate just is located the top position department that promotes branch and installs the slope support, and the both ends of slope support respectively with arc friction plate and promote between the branch two by two welded fastening, one side of fixed recess board is fixed with the lithium cell, one side of promoting the branch is equipped with control button, the top of fixed recess board is fixed with the platform truck platform, in the bottom of platform truck platform and be close to its four corner line positions department equal fixed mounting has the platform truck wheel.
Preferably, two groups of guide sliding strips are movably penetrated at one side of the T-shaped support plate of the first threaded lantern ring, the number of each group of guide sliding strips is four, guide support posts are fixed in gaps formed between the four guide sliding strips, a first fixed support block is welded at one end part of each guide support post, and a second fixed support block is fixed at the other end part of each guide support post.
The utility model has the following advantages:
1. through setting up the locking subassembly of multiple spot position, two-way drive screw drives first screw thread lantern ring T shape extension board and realizes moving to the left under the effect of screw thread, and second screw thread lantern ring T shape extension board realizes moving to the right under the effect of screw thread, and arc friction plate drives a plurality of friction racks and realizes moving, can realize locking fixed to four trolley wheels in step, consequently can not cause the trolley to slide up and down on the track, and multiple spot position locking stability is better, prevents swift current car effect better;
2. the first thread lantern ring T-shaped support plate and the second thread lantern ring T-shaped support plate can move along the outer wall guide of the four guide sliding strips, and can also move along the outer wall guide of the guide strut, the support operation can be stably carried out on the guide strut through the first fixed support block and the second fixed support block, and the fact that the four arc friction plates are inserted into the groove positions of the trolley wheel to realize locking is ensured, and the positioning and locking are more accurate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic view of a bottom view of a safety device for preventing a trolley from sliding in inclined shaft construction;
FIG. 2 is a schematic diagram of a safety device for preventing a trolley from sliding in inclined shaft construction, which is arranged on a track;
FIG. 3 is a schematic view of a partial structure of a friction rack and arcuate friction plate joint in the present utility model;
FIG. 4 is a schematic view of the connection between the guide slide and the guide post in the present utility model;
in the figure: 1. fixing the groove plate; 2. a bidirectional drive screw; 3. a servo gear motor; 4. the first thread lantern ring T-shaped support plate; 5. the second thread lantern ring T-shaped support plate; 6. pushing the supporting rod; 7. an arc friction plate; 8. friction racks; 9. a tilting bracket; 10. a lithium battery; 11. a control button; 12. a trolley wheel; 13. a trolley platform; 14. a first fixed support block; 15. a guide slide; 16. a guide post; 17. and a second fixed support block.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The safety device for preventing the trolley from sliding in the inclined shaft construction is shown in the attached drawings 1-4, the safety device for preventing the trolley from sliding in the inclined shaft construction is provided with the multi-point locking assembly, the multi-point locking assembly can synchronously lock the trolley wheels 12 in multiple points on the trolley, so that the whole trolley wheels 12 can not slide on a track, the locking stability is better, the anti-sliding effect is better, and the specific structure of the multi-point locking assembly is as follows.
In some embodiments, as shown in fig. 1-3, the multi-point locking assembly comprises a first threaded collar T-shaped support plate 4 sleeved on the outer wall of the bidirectional transmission screw 2, a second threaded collar T-shaped support plate 5 is arranged on the outer wall of the bidirectional transmission screw 2 and located at one side of the first threaded collar T-shaped support plate 4, two pushing support rods 6 are fixedly connected to opposite sides of the second threaded collar T-shaped support plate 5 and the first threaded collar T-shaped support plate 4, an arc friction plate 7 is welded to one end of each pushing support rod 6, a plurality of friction racks 8 are distributed on the inner wall of the arc friction plate 7 at equal intervals in an arc shape, a servo speed reducing motor 3 is coaxially driven and fixedly arranged at one end of the bidirectional transmission screw 2, the first threaded collar T-shaped support plate 4 and the second threaded collar T-shaped support plate 5 are in threaded connection with the bidirectional transmission screw 2, two threads of the outer wall of the bidirectional transmission screw 2 are oppositely and symmetrically arranged, the friction racks 8 are fixedly connected with the arc friction plates 7, and the vertical section of the friction racks 8 is isosceles trapezoid.
When the trolley sliding safety device is used in inclined shaft construction prevention of the embodiment, when a construction tool is required to be placed on the upper surface of a trolley platform 13 in inclined shaft construction, and when the construction tool is required to be obliquely moved from a track on the inclined shaft surface, a control button 11 can be started when the construction tool is obliquely moved to a designated position, the control button 11 starts a servo gear motor 3 to drive a bidirectional transmission screw rod 2 to rotate, the bidirectional transmission screw rod 2 drives a first threaded sleeve ring T-shaped support plate 4 to move leftwards under the action of threads, a second threaded sleeve ring T-shaped support plate 5 to move rightwards under the action of the threads, two pushing support rods 6 are moved, the pushing support rods 6 drive an arc friction plate 7 to move, the arc friction plate 7 drives a plurality of friction racks 8 to move, so that the friction racks 8 can be attached to the outer wall groove surface of a trolley wheel 12 to realize extrusion fixation, and locking fixation of four trolley wheels 12 can be synchronously realized.
In some embodiments, as shown in fig. 1-3, an inclined bracket 9 is installed on the outer wall of the arc friction plate 7 and located above the pushing strut 6, two ends of the inclined bracket 9 are welded and fixed with the arc friction plate 7 and the pushing strut 6 respectively, so that the inclined bracket 9 can realize supporting operation on the upper part of the arc friction plate 7, stability of supporting the arc friction plate 7 is improved, a lithium battery 10 is fixed on one side of the fixed groove plate 1, a control button 11 is arranged on one side of the pushing strut 6, so that the control button 11 can control the servo reducing motor 3 to realize forward rotation or reverse rotation, a trolley platform 13 is fixed above the fixed groove plate 1, trolley wheels 12 are fixedly installed at the bottom end of the trolley platform 13 and near four corner line positions of the trolley platform 13, so that a construction tool needs to be placed on the upper surface of the trolley platform 13, and during construction, the four trolley wheels 12 can realize inclined movement from a track on an inclined shaft surface.
In some embodiments, as shown in fig. 1-4, two sets of guide sliding strips 15 are movably penetrated through one side of the first threaded collar T-shaped support plate 4, the number of each set of guide sliding strips 15 is four, guide struts 16 are fixed in gaps formed between the four guide sliding strips 15, one end of each guide strut 16 is welded with a first fixed support block 14, and the other end of each guide strut 16 is fixed with a second fixed support block 17.
When the first thread sleeve T-shaped support plate 4 and the second thread sleeve T-shaped support plate 5 are used in the embodiment, when moving, the first thread sleeve T-shaped support plate 4 and the second thread sleeve T-shaped support plate 5 can move along the outer walls of the four guide sliding strips 15 in a guiding manner, the first thread sleeve T-shaped support plate 4 and the second thread sleeve T-shaped support plate 5 can also move along the outer walls of the guide support posts 16 in a guiding manner, the first thread sleeve T-shaped support plate 4 and the second thread sleeve T-shaped support plate 5 can be guaranteed to stably realize the guiding movement, the guide support posts 16 can be stably supported through the first fixing support block 14 and the second fixing support block 17, the stability of the guide support posts 16 is improved, and the first thread sleeve T-shaped support plate 4 and the second thread sleeve T-shaped support plate 5 can be guaranteed to stably move without shifting when moving.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
The terms such as "upper", "lower", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present utility model, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present utility model without substantial modification of the technical content.
Claims (7)
1. The utility model provides a safety device that inclined shaft construction prevented platform truck swift current car, includes fixed recess board (1), the inside grafting of fixed recess board (1) has swing joint's two-way drive screw (2), its characterized in that: the outer wall of the bidirectional transmission screw (2) is sleeved with a multi-point locking assembly;
the multi-point locking assembly comprises a first thread sleeve T-shaped support plate (4) sleeved on the outer wall of a bidirectional transmission screw (2), a second thread sleeve T-shaped support plate (5) is arranged on the outer wall of the bidirectional transmission screw (2) and located at one side of the first thread sleeve T-shaped support plate (4), two pushing support rods (6) are fixedly connected to opposite sides of the second thread sleeve T-shaped support plate (5) and the first thread sleeve T-shaped support plate (4), an arc friction plate (7) is welded at one end of each pushing support rod (6), a plurality of friction racks (8) are distributed on the inner wall of the arc friction plate (7) at equal intervals in an arc shape, and a servo speed reducing motor (3) is fixedly driven coaxially at one end of the bidirectional transmission screw (2).
2. A safety device for preventing trolley sliding in inclined shaft construction as claimed in claim 1, wherein: the first threaded lantern ring T-shaped support plate (4) and the second threaded lantern ring T-shaped support plate (5) are in threaded connection with the bidirectional transmission screw rod (2), and two threads on the outer wall of the bidirectional transmission screw rod (2) are opposite and symmetrically arranged.
3. A safety device for preventing trolley sliding in inclined shaft construction as claimed in claim 1, wherein: the friction racks (8) are fixedly connected with the arc friction plates (7), and the vertical section of each friction rack (8) is isosceles trapezoid.
4. A safety device for preventing trolley sliding in inclined shaft construction as claimed in claim 1, wherein: the outer wall of the arc friction plate (7) and the upper position of the pushing support rod (6) are provided with an inclined support (9), and two ends of the inclined support (9) are welded and fixed with the arc friction plate (7) and the pushing support rod (6) in pairs respectively.
5. A safety device for preventing trolley sliding in inclined shaft construction as claimed in claim 1, wherein: one side of the fixed groove plate (1) is fixed with a lithium battery (10), and one side of the pushing support rod (6) is provided with a control button (11).
6. A safety device for preventing trolley sliding in inclined shaft construction as claimed in claim 1, wherein: the trolley platform (13) is fixed above the fixed groove plate (1), and trolley wheels (12) are fixedly installed at the bottom end of the trolley platform (13) and close to the four corner line positions of the trolley platform.
7. A safety device for preventing trolley sliding in inclined shaft construction as claimed in claim 1, wherein: two groups of guide sliding strips (15) are movably penetrated through one side of the first threaded lantern ring T-shaped support plate (4), the number of each group of guide sliding strips (15) is four, guide support posts (16) are fixed in gaps formed between the four guide sliding strips (15), one end part of each guide support post (16) is welded with a first fixed support block (14), and the other end part of each guide support post (16) is fixed with a second fixed support block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223042509.1U CN218966921U (en) | 2022-11-16 | 2022-11-16 | Safety device for preventing trolley from sliding in inclined shaft construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223042509.1U CN218966921U (en) | 2022-11-16 | 2022-11-16 | Safety device for preventing trolley from sliding in inclined shaft construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218966921U true CN218966921U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223042509.1U Active CN218966921U (en) | 2022-11-16 | 2022-11-16 | Safety device for preventing trolley from sliding in inclined shaft construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218966921U (en) |
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2022
- 2022-11-16 CN CN202223042509.1U patent/CN218966921U/en active Active
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