CN210217330U - Rail guard for electric power construction - Google Patents
Rail guard for electric power construction Download PDFInfo
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- CN210217330U CN210217330U CN201920495598.4U CN201920495598U CN210217330U CN 210217330 U CN210217330 U CN 210217330U CN 201920495598 U CN201920495598 U CN 201920495598U CN 210217330 U CN210217330 U CN 210217330U
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Abstract
The utility model discloses a rail guard for electric power construction, its structure includes telescopic belt warning strip, telescopic link, screw thread turn-ups ring, bracing piece, telescopic chain median, device base and solid bracing piece, the utility model discloses a structure that warning belt strip and chain combined together, warning belt strip is wide big, and warning striking, chain structure have certain tightness, and is not fragile, and elevation structure makes the utility model discloses a warning belt strip can height-adjusting, in the electric power construction process that some dangerous great needs pedestrian kept away from, adjusts warning belt strip height, makes the pedestrian can receive remote warning at a distance, avoids being close to and receives the injury, simultaneously, has the structure of altitude mixture control, makes the utility model discloses can be at the suitable volume that reduces on the whole, thereby portable, the utility model discloses compare with similar rail guard on the market and have warning striking, Firm not fragile, but beneficial effect such as remote warning and the less convenient to carry of volume.
Description
Technical Field
The utility model belongs to the technical field of electric power construction equipment; in particular to a protective guard for electric power construction.
Background
The construction guardrail is generally commonly used for common roads, and highways also comprise crossroads, toll stations, bridges, parking lots, stations, wharfs, dangerous areas and road construction sections of various levels of highways, and places such as temporary barriers of meeting places and the like are used as road sub-roads, area enclosure safety isolation, shunt and guidance, or used for order maintenance of celebration activities of books or competition performances such as sports and entertainment, and can also be used for protecting and protecting equipment and facilities in places such as factories, workshops, warehouses, parking lots, commercial districts, public places and the like.
The construction guardrail body is black and is adhered with a remarkable reflective film, so that the construction guardrail has a remarkable warning effect on a driver, can reduce the casualty degree of people and vehicles during accident, and forms a safer effect. The anti-climbing.
However, the conventional guard rail is large in size, not easy to carry and inconvenient to operate, although a small portable guard belt with stretched leather strips is designed on the market as the guard rail, the guard belt adopted by the guard rail is soft, does not have firmness and is very easy to damage, the guard rail can only be used for reminding and cannot be used for protection, the guard rail cannot be used as a real guard rail, particularly cannot be used as a guard rail for power construction, and the foldable metal guard rail is also arranged on the market.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rail guard for electric power construction.
The purpose of the utility model can be realized by the following technical scheme:
a protective guard for electric power construction comprises a telescopic belt warning strip, a telescopic rod, a thread screwing ring, a supporting rod, a telescopic chain isolation belt, a device base and a solid supporting rod, wherein the telescopic belt warning strip is arranged at the upper end of the telescopic rod, the lower end of the telescopic rod is arranged in the upper end of the supporting rod, the thread screwing ring is arranged at the connecting position of the telescopic rod and the supporting rod, the telescopic chain isolation belt is arranged at the lower end of the supporting rod, the lower end of the telescopic chain isolation belt is connected with the upper end of the solid supporting rod, and the device base is arranged at the lower;
the device base is disc-shaped, and anti-skid lines are arranged on the lower end face of the device base.
Furthermore, the telescopic belt warning strip comprises a main telescopic shell, an elastic recovery mechanism, a warning belt strip, a main rotating shaft, an auxiliary telescopic shell and an auxiliary fixing shaft, wherein the warning belt strip is wound on the main rotating shaft, one end of the warning belt strip is connected onto the auxiliary fixing shaft, the elastic recovery mechanism is arranged at the upper end of the main rotating shaft, the elastic recovery mechanism, the warning belt strip and the main rotating shaft are all arranged in the main telescopic shell, the lower end of the main rotating shaft is fixed on the lower end face of the inner part of the main telescopic shell through a bearing, the upper end of the elastic recovery mechanism is fixed on the upper end face of the inner part of the main telescopic shell, the auxiliary fixing shaft is arranged in the auxiliary telescopic shell, the upper end of the auxiliary fixing shaft is fixed on the upper end face of the inner part of the auxiliary telescopic shell, and the lower;
the main telescopic shell is arranged at the upper end of one telescopic rod, and the auxiliary telescopic shell is arranged at the upper end of the other telescopic rod.
Furthermore, the elastic recovery mechanism comprises a ratchet gear, a pawl spring baffle, a pawl baffle seat, a rollback button, a fixed shaft, a recovery shell, a first recovery gear rotating shaft, a rollback compression spring, a recovery fixed shaft, a second recovery gear and a recovery fixed shaft bearing, wherein the fixed shaft is arranged on the upper end surface of the recovery shell, the rollback button is fixedly connected with the recovery fixed shaft bearing, the rollback button is arranged at the upper end of the recovery fixed shaft bearing, the recovery fixed shaft bearing is sleeved on the recovery fixed shaft and slides with the recovery fixed shaft, the ratchet gear is fixed on the upper half part of the outer side of the recovery fixed shaft bearing, the second recovery gear is sleeved on the outer side of the recovery fixed shaft bearing and is fixed on the lower half part of the outer side of the recovery fixed shaft bearing, and the lower end of the recovery fixed shaft is fixed on, the ratchet gear and the second recovery gear are arranged on the inner side of the recovery shell, the rollback button penetrates through the upper end face of the recovery shell and extends to the outer side of the recovery shell, the rollback compression spring is sleeved on the recovery fixed shaft and is arranged between the lower end of the second recovery gear and the lower end face of the inner side of the recovery shell, the upper end of the rollback compression spring is fixed on the lower end face of the second recovery gear, the lower end of the rollback compression spring is fixed on the lower end face of the inner side of the recovery shell, the upper end of the first recovery gear rotating shaft is provided with a first recovery gear, the lower end of the first recovery gear is arranged on the recovery shell and is rotationally connected with the recovery shell, the first recovery gear is meshed with the second recovery gear, the pawl is rotationally connected with a pawl spring baffle seat, the pawl spring baffle plate is arranged on the side face of the pawl, the pawl spring is arranged between the pawl, the ratchet gear is matched with the pawl;
the second recovery gear and the first recovery gear can slide in the vertical direction, and the lower end of the rotating shaft of the first recovery gear is fixedly connected with the upper end of the main rotating shaft.
Further, the telescopic chain isolation belt comprises a chain isolation recovery mechanism, a chain gear, a chain rotating shaft, a main chain shell, an auxiliary chain shell and an auxiliary chain fixing shaft, wherein the chain is wound on the chain gear, one end of the chain is fixed on the auxiliary chain fixing shaft, the chain gear is arranged on the chain rotating shaft, the upper end of the chain rotating shaft is connected with the chain isolation recovery mechanism, the chain gear and the chain rotating shaft are all arranged in the main chain shell, the lower end of the chain rotating shaft is fixed on the lower end face in the main chain shell through a bearing, the upper end of the chain isolation recovery mechanism is fixed on the upper end face in the main chain shell, the auxiliary chain fixing shaft is arranged in the auxiliary chain shell, and the upper end of the auxiliary chain fixing shaft is fixed on the upper end face in the auxiliary chain shell, the lower end of the auxiliary chain fixing shaft is fixed on the lower end face of the inner part of the auxiliary chain shell;
four chains and four chain gears are provided, and the four chain gears are uniformly distributed on the chain rotating shaft;
the main chain shell is arranged at the lower end of one support rod, and the auxiliary chain shell is arranged at the lower end of the other support rod.
Further, the chain isolation recovery mechanism and the elastic recovery mechanism are completely the same in structure.
Furthermore, the telescopic rod is a solid cylinder, the lower end face of the telescopic rod is sleeved in the supporting rod, the supporting rod is a hollow cylinder without a top and a bottom, the connecting position of the supporting rod and the telescopic rod is of a shrinking opening structure, and the outer side wall of the supporting rod is provided with threads.
Furthermore, the thread screwing ring is cylindrical, the outer side wall of the thread screwing ring is provided with anti-skidding threads, the inner side of the thread screwing ring is of a round table structure with a narrow upper part and a wide lower part, and threads are arranged on the inner side wall of the thread screwing ring.
Furthermore, the threads on the inner side wall of the thread screwing ring are matched with the threads on the outer side wall of the support rod tightening opening structure, and one end of the inner side of the thread screwing ring is upwards sleeved on the outer side of the support rod tightening opening structure.
Further, the utility model discloses a working procedure:
when in use:
1) the base of the device of the utility model is stably placed on the ground downwards;
2) fixing the support rod on one side, and pulling the support rod on the other side;
3) at the moment, the warning belt strip extends to drive the main rotating shaft to rotate, so that the first recovery gear rotating shaft rotates, the first recovery gear is driven to rotate, the second recovery gear rotates to increase the elasticity of the recoil compression spring on one hand, and the ratchet gear rotates on the other hand, and is in forward rotation at the moment, the ratchet on the ratchet gear moves along the direction of the pawl, and the pawl does not block the rotation of the ratchet gear;
4) meanwhile, the chain is extended, and the process principle is the same as the above;
5) when the warning belt strip and the chain extend to proper lengths, the supporting rod on the other side is stopped to be pulled;
6) at the moment, the second recovery gear rotates reversely under the action of the elasticity of the rewinding compression spring to drive the ratchet gear to rotate reversely, the ratchet gear is in a reverse rotation state at the moment, the ratchet on the ratchet gear moves against the direction of the pawl, the pawl firmly clamps the ratchet gear at the moment, the ratchet gear and the second recovery gear cannot rotate, the warning belt strip is always kept at the previously pulled length, and the chain is kept at the previously pulled length in the same way;
7) rotatory screw thread revolves tight ring, makes the bracing piece loosen the telescopic link, at this moment, adjusts the telescopic link from top to bottom, makes the utility model discloses be in suitable height, reverse rotation screw thread revolves tight ring, makes the bracing piece firmly set up the telescopic link.
When in collection:
1) the threaded tightening ring is rotated to loosen the telescopic rod by the support rod, at the moment, the telescopic rod is downwards adjusted to ensure that the utility model is at the lowest height, and the threaded tightening ring is reversely rotated to firmly fasten the telescopic rod by the support rod;
2) pressing a rewinding button on the telescopic belt warning strip, moving down the ratchet gear at the moment to separate the ratchet gear from the pawl, and reversely rotating the second recovery gear and the ratchet gear under the elastic action of the rewinding compression spring to drive the first recovery gear to reversely rotate so as to drive the first recovery gear rotating shaft to reversely rotate and drive the main rotating shaft to reversely rotate, so that the warning belt strip is rewound onto the main rotating shaft, and the warning belt strip is shortened to an initial position;
3) similarly, a switch on the telescopic chain isolation belt is pressed down to shorten the chain to the initial position;
4) the utility model discloses pack up and finish.
The utility model has the advantages that: the utility model discloses a structure that warning belt strip and chain combined together, warning belt strip is wide big, and warning is striking, very easily is used for on the rail guard in the electric power work progress, chain structure simultaneously makes the utility model discloses have certain tightness, and is not fragile, adopts elevation structure, makes the utility model discloses a warning belt strip can height-adjusting, in the electric power work progress that some dangerous great needs pedestrian kept away from, adjusts warning belt strip height, makes the pedestrian can receive remote warning in a distance, avoids being close to and receives the injury, simultaneously, has height-adjusting's structure, makes the utility model discloses can be in the suitable volume that reduces on the whole, thereby portable, the utility model discloses ratchet that adopts, its stable in structure, the principle is simple, makes equipment work and retrieve and make simple swift, the utility model discloses compare with the similar rail guard on the market have warning striking, Firm not fragile, but remote warning and the less convenient to carry's of volume beneficial effect.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the general structure of a guard rail for electric power construction according to the present invention;
fig. 2 is a schematic structural view of a telescopic belt warning strip of the protective guard for electric power construction of the present invention;
fig. 3 is a top view of the ratchet mechanism in the structure of the elastic recovery mechanism in the telescopic belt warning strip of the protective guard for electric power construction according to the present invention;
FIG. 4 is a side assembly view of the structure of the elastic recovery mechanism in the telescopic belt warning strip of the protective guard for electric power construction according to the present invention;
fig. 5 is a schematic view of a telescopic chain isolation belt structure of the protective guard for electric power construction of the present invention;
fig. 6 is a half-sectional view of the telescopic rod, the threaded tightening ring and the support rod assembly of the guard rail for electric power construction.
Detailed Description
Please refer to fig. 1-6, a guard railing for electric power construction, including telescopic belt warning strip 1, telescopic link 2, screw thread tightening ring 3, support rod 4, telescopic chain median 5, device base 6 and solid support rod 7, wherein telescopic belt warning strip 1 is located at the upper end of telescopic link 2, the lower end of telescopic link 2 is located inside the upper end of support rod 4, screw thread tightening ring 3 is located at the connecting position of telescopic link 2 and support rod 4, the lower end of support rod 4 is provided with telescopic chain median 5, the lower end of telescopic chain median 5 is connected with the upper end of solid support rod 7, device base 6 is installed to the lower end of solid support rod 7.
The device base 6 is disc-shaped, and the lower end face of the device base is provided with anti-skid grains.
As shown in fig. 2, the telescopic belt warning strip 1 comprises a main telescopic shell 11, an elastic recovery mechanism 12, a warning belt strip 13, a main rotating shaft 14, an auxiliary telescopic shell 15 and an auxiliary fixed shaft 16, wherein the warning belt strip 13 is wound on the main rotating shaft 14, and one end of warning belt strip 13 is connected on vice fixed axle 16, main axis of rotation 14 upper end is equipped with elasticity recovery mechanism 12, warning belt strip 13 and main axis of rotation 14 are all located in main flexible shell 11, main axis of rotation 14 lower extreme is fixed in on the inside lower extreme terminal surface of main flexible shell 11 through the bearing, elasticity recovery mechanism 12 upper end is fixed in on the inside up end of main flexible shell 11, vice fixed axle 16 is located in vice flexible shell 15, vice fixed axle 16 upper end is fixed in on the inside up end of vice flexible shell 15, the 16 lower extreme of vice fixed axle is fixed in on the inside lower extreme terminal surface of vice flexible shell 15.
The main telescopic shell 11 is arranged at the upper end of one telescopic rod 2, and the auxiliary telescopic shell 15 is arranged at the upper end of the other telescopic rod 2.
As shown in fig. 3-4, the elastic retrieving mechanism 12 includes a ratchet gear 121, a pawl 122, a pawl spring 123, a pawl spring retainer 124, a pawl retainer 125, a rewind button 126, a fixed shaft 127, a retrieving housing 128, a first retrieving gear 129, a first retrieving gear rotating shaft 1210, a rewind compression spring 1211, a retrieving fixed shaft 1212, a second retrieving gear 1213 and a retrieving fixed shaft bearing 1214, wherein the fixed shaft 127 is disposed on the upper end surface of the retrieving housing 128, the rewind button 126 is fixedly connected with the retrieving fixed shaft bearing 1214, the rewind button 126 is disposed on the upper end of the retrieving fixed shaft bearing 1214, the retrieving fixed shaft bearing 1214 is sleeved on the retrieving fixed shaft 1212 and slides with the retrieving fixed shaft 1212, the ratchet gear 121 is fixed on the upper half of the retrieving fixed shaft bearing 1214, the second retrieving gear 1213 is sleeved on the outer side of the retrieving fixed shaft bearing 1214 and is fixed on the lower half of the retrieving fixed shaft bearing 1214, the lower end of the recovery fixing shaft 1212 is fixed on the lower end surface of the inner side of the recovery casing 128, the ratchet gear 121 and the second recovery gear 1213 are disposed on the inner side of the recovery casing 128, the rollback button 126 penetrates the upper end surface of the recovery casing 128 to extend to the outer side of the recovery casing 128, the rollback compression spring 1211 is sleeved on the recovery fixing shaft 1212 and disposed between the lower end of the second recovery gear 1213 and the lower end surface of the inner side of the recovery casing 128, the upper end of the rollback compression spring 1211 is fixed on the lower end surface of the second recovery gear 1213, the lower end surface of the rollback compression spring 1211 is fixed on the lower end surface of the inner side of the recovery casing 128, the upper end of the first recovery gear rotating shaft 1210 is provided with a first recovery gear 129, the lower end of which is disposed on the recovery casing 128 and rotatably connected with the recovery casing 128, the first recovery gear 129 is engaged with the second recovery gear 1213, the pawl 122 is rotatably connected, pawl spring 123 is disposed between pawl spring retainer 124 and the side wall of recovery housing 128, pawl retainer 125 is secured to recovery housing 128, and ratchet gear 121 engages pawl 122.
The second recovery gear 1213 and the first recovery gear 129 are slidable in the vertical direction, and the lower end of the first recovery gear rotating shaft 1210 is fixedly connected to the upper end of the main rotating shaft 14.
As shown in fig. 5, the retractable chain isolation belt 5 comprises a chain isolation recovery mechanism 51, a chain 52, a chain gear 53, a chain rotation shaft 54, a main chain housing 55, an auxiliary chain housing 56 and an auxiliary chain fixing shaft 57, wherein the chain 52 is wound on the chain gear 53, one end of the chain 52 is fixed on the auxiliary chain fixing shaft 57, the chain gear 53 is arranged on the chain rotation shaft 54, the chain isolation recovery mechanism 51 is connected to the upper end of the chain rotation shaft 54, the chain isolation recovery mechanism 51, the chain 52, the chain gear 53 and the chain rotation shaft 54 are all arranged in the main chain housing 55, the lower end of the chain rotation shaft 54 is fixed on the lower end face of the inner part of the main chain housing 55 through a bearing, the upper end of the chain isolation recovery mechanism 51 is fixed on the upper end face of the inner part of the main chain housing 55, the auxiliary chain fixing shaft 57 is arranged in the auxiliary chain housing 56, the upper end of the auxiliary chain, the lower end of the sub chain fixing shaft 57 is fixed to the lower end surface of the inside of the sub chain housing 56.
Four chains 52 and four chain gears 53 are provided, and the four chain gears 53 are uniformly distributed on the chain rotating shaft 54.
The main chain case 55 is provided at the lower end of one support bar 4, and the sub chain case 56 is provided at the lower end of the other support bar 4.
The chain isolation recovery mechanism 51 is identical in structure to the elastic recovery mechanism 12.
The telescopic rod 2 is a solid cylinder, the lower end face of the telescopic rod is sleeved in the support rod 4, the support rod 4 is a hollow cylinder without a top and a bottom, the connecting position of the support rod 4 and the telescopic rod 2 is of a shrinking opening structure, and the outer side wall of the support rod is provided with threads.
The screw thread screwing ring 3 is cylindrical, anti-skid threads are arranged on the outer side wall of the screw thread screwing ring, the inner side of the screw thread screwing ring is of a round table structure with a narrow upper part and a wide lower part, and screw threads are arranged on the inner side wall of the screw thread screwing ring 3.
As shown in FIG. 6, the thread on the inner side wall of the threaded tightening ring 3 is matched with the thread on the outer side wall of the tightening structure of the support rod 4, and the small-diameter end on the inner side of the threaded tightening ring 3 is upwards sleeved on the outer side of the tightening structure of the support rod 4.
The utility model discloses a working procedure:
when in use:
1) the base 6 of the device of the utility model is stably placed on the ground downwards;
2) fixing the support rod 4 on one side, and pulling the support rod 4 on the other side;
3) at this time, the warning belt strip 13 extends to drive the main rotating shaft 14 to rotate, so that the first recovery gear rotating shaft 1210 rotates, thereby driving the first recovery gear 129 to rotate and driving the second recovery gear 1213 to rotate, the second recovery gear 1213 rotates to increase the elastic force of the recoil compression spring 1211 on one hand and drive the ratchet gear 121 to rotate on the other hand, at this time, the ratchet gear 121 rotates in the forward direction, the ratchet on the ratchet gear 121 moves along the direction of the pawl 122, and the pawl 122 does not block the rotation of the ratchet gear 121;
4) meanwhile, the chain 52 is extended, and the process principle is the same as the above;
5) when the warning belt strip 13 and the chain 52 extend to proper lengths, the supporting rod 4 on the other side is stopped to be pulled;
6) at this time, the second recovery gear 1213 reversely rotates under the elastic force of the rewind compression spring 1211 to drive the ratchet gear 121 to reversely rotate, at this time, the ratchet gear 121 is in a reverse rotation state, the ratchet teeth on the ratchet gear 121 move against the direction of the pawl 122, at this time, the pawl 122 firmly clamps the ratchet gear 121, so that the ratchet gear 121 and the second recovery gear 1213 cannot rotate, the warning belt strip 13 is always kept at the previously pulled length, and the chain 52 is similarly kept at the previously pulled length;
7) rotatory screw thread screwing ring 3 makes bracing piece 4 loosen telescopic link 2, at this moment, adjusts telescopic link 2 from top to bottom, makes the utility model discloses be in suitable height, reverse rotation screw thread screwing ring 3 makes bracing piece 4 firmly set up telescopic link 2.
When in collection:
1) the threaded tightening ring 3 is rotated to loosen the telescopic rod 2 by the support rod 4, at the moment, the telescopic rod 2 is adjusted downwards to ensure that the utility model is at the lowest height, and the threaded tightening ring 3 is rotated reversely to ensure that the support rod 4 firmly fastens the telescopic rod 2;
2) when the rewinding button 126 on the retractable belt warning strip 1 is pressed, the ratchet gear 121 moves downwards to separate the ratchet gear 121 from the pawl 122, and the second recovery gear 1213 and the ratchet gear 121 reversely rotate under the elastic force of the rewinding compression spring 1211 to drive the first recovery gear 129 to reversely rotate, so as to drive the first recovery gear rotating shaft 1210 to reversely rotate and drive the main rotating shaft 14 to reversely rotate, so that the warning belt strip 13 is rewound onto the main rotating shaft 14, and the warning belt strip 13 is shortened to the initial position;
3) similarly, the switch on the telescopic chain isolation belt 5 is pressed down to shorten the chain 52 to the initial position;
4) the utility model discloses pack up and finish.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. A protective guard for electric power construction comprises a telescopic belt warning strip (1), a telescopic rod (2), a threaded tightening ring (3), a support rod (4), a telescopic chain isolation belt (5), a device base (6) and a solid support rod (7), and is characterized in that the telescopic belt warning strip (1) is arranged at the upper end of the telescopic rod (2), the lower end of the telescopic rod (2) is arranged inside the upper end of the support rod (4), the threaded tightening ring (3) is arranged at the connecting position of the telescopic rod (2) and the support rod (4), the lower end of the support rod (4) is provided with the telescopic chain isolation belt (5), the lower end of the telescopic chain isolation belt (5) is connected with the upper end of the solid support rod (7), and the device base (6) is arranged at the lower end of the solid support rod (;
the device base (6) is disc-shaped, and the lower end face of the device base is provided with anti-skid lines.
2. The protective guard for power construction as claimed in claim 1, wherein the telescopic belt warning strip (1) comprises a main telescopic housing (11), an elastic recovery mechanism (12), a warning belt strip (13), a main rotating shaft (14), an auxiliary telescopic housing (15) and an auxiliary fixing shaft (16), the warning belt strip (13) is wound on the main rotating shaft (14), one end of the warning belt strip (13) is connected to the auxiliary fixing shaft (16), the elastic recovery mechanism (12) is arranged at the upper end of the main rotating shaft (14), the elastic recovery mechanism (12), the warning belt strip (13) and the main rotating shaft (14) are all arranged in the main telescopic housing (11), the lower end of the main rotating shaft (14) is fixed on the lower end face of the inner portion of the main telescopic housing (11) through a bearing, the upper end of the elastic recovery mechanism (12) is fixed on the upper end face of the inner portion of the main telescopic housing (11), the auxiliary fixed shaft (16) is arranged in the auxiliary telescopic shell (15), the upper end of the auxiliary fixed shaft (16) is fixed on the upper end face in the auxiliary telescopic shell (15), and the lower end of the auxiliary fixed shaft (16) is fixed on the lower end face in the auxiliary telescopic shell (15);
the main telescopic shell (11) is arranged at the upper end of one telescopic rod (2), and the auxiliary telescopic shell (15) is arranged at the upper end of the other telescopic rod (2).
3. The protective guard for electric power construction as claimed in claim 2, wherein the elastic recovery mechanism (12) comprises a ratchet gear (121), a pawl (122), a pawl spring (123), a pawl spring retainer (124), a pawl retainer (125), a rewind button (126), a fixed shaft (127), a recovery housing (128), a first recovery gear (129), a first recovery gear rotating shaft (1210), a rewind compression spring (1211), a recovery fixed shaft (1212), a second recovery gear (1213) and a recovery fixed shaft bearing (1214), the fixed shaft (127) is disposed on the upper end surface of the recovery housing (128), the rewind button (126) is fixedly connected with the recovery fixed shaft bearing (1214), the rewind button (126) is disposed on the upper end of the recovery fixed shaft bearing (1214), the recovery fixed shaft bearing (1214) is sleeved on the recovery fixed shaft (1212), and sliding with the recovery fixed shaft (1212), the upper half of the outer side of the recovery fixed shaft bearing (1214) is fixed with a ratchet gear (121), the second recovery gear (1213) is sleeved outside the recovery fixed shaft bearing (1214) and fixed at the lower half of the outer side of the recovery fixed shaft bearing (1214), the lower end of the recovery fixed shaft (1212) is fixed on the lower end face of the inner side of the recovery shell (128), the ratchet gear (121) and the second recovery gear (1213) are arranged inside the recovery shell (128), the rollback button (126) penetrates the upper end face of the recovery shell (128) and extends outside the recovery shell (128), the rollback compression spring (1211) is sleeved on the recovery fixed shaft (1212) and arranged between the lower end of the second recovery gear (1213) and the lower end face of the inner side of the recovery shell (128), the upper end of the rollback compression spring (1211) is fixed on the lower end face of the second recovery gear (1213), the lower end face of the rewind compression spring (1211) is fixed on the lower end face of the inner side of the recovery shell (128), the upper end of a first recovery gear rotating shaft (1210) is provided with a first recovery gear (129), the lower end of the first recovery gear rotating shaft is arranged on the recovery shell (128) and is rotatably connected with the recovery shell (128), the first recovery gear (129) is meshed with a second recovery gear (1213), the pawl (122) is rotatably connected with a pawl baffle seat (125), the pawl spring baffle (124) is arranged on the side face of the pawl (122), the pawl spring (123) is arranged between the pawl spring baffle (124) and the side wall of the recovery shell (128), the pawl baffle seat (125) is fixed on the recovery shell (128), and the ratchet gear (121) is matched with the pawl (122);
the second recovery gear (1213) and the first recovery gear (129) are mutually slidable in the vertical direction, and the lower end of the first recovery gear rotating shaft (1210) is fixedly connected with the upper end of the main rotating shaft (14).
4. The protective guard for power construction as claimed in claim 1, wherein the retractable chain isolation belt (5) comprises a chain isolation and recovery mechanism (51), a chain (52), a chain gear (53), a chain rotation shaft (54), a main chain housing (55), an auxiliary chain housing (56) and an auxiliary chain fixing shaft (57), the chain (52) is wound on the chain gear (53), one end of the chain (52) is fixed on the auxiliary chain fixing shaft (57), the chain gear (53) is arranged on the chain rotation shaft (54), the chain isolation and recovery mechanism (51) is connected to the upper end of the chain rotation shaft (54), the chain isolation and recovery mechanism (51), the chain (52), the chain gear (53) and the chain rotation shaft (54) are all arranged inside the main chain housing (55), the lower end of the chain rotation shaft (54) is fixed on the lower end face of the inner portion of the main chain housing (55) through a bearing, the upper end of the chain isolation recovery mechanism (51) is fixed on the upper end face inside the main chain shell (55), the auxiliary chain fixing shaft (57) is arranged inside the auxiliary chain shell (56), the upper end of the auxiliary chain fixing shaft (57) is fixed on the upper end face inside the auxiliary chain shell (56), and the lower end of the auxiliary chain fixing shaft (57) is fixed on the lower end face inside the auxiliary chain shell (56);
four chains (52) and four chain gears (53) are provided, and the four chain gears (53) are uniformly distributed on a chain rotating shaft (54);
the main chain shell (55) is arranged at the lower end of one support rod (4), and the auxiliary chain shell (56) is arranged at the lower end of the other support rod (4).
5. Protective guard for electric power construction according to claim 4, characterized in that the chain isolation and recovery mechanism (51) and the elastic recovery mechanism (12) are identical in structure.
6. The protective guard for electric power construction as claimed in claim 1, wherein the telescopic rod (2) is a solid cylinder, the lower end surface of the telescopic rod is sleeved in the support rod (4), the support rod (4) is a hollow cylinder without top and bottom, the connection position of the support rod (4) and the telescopic rod (2) is a constriction structure, and the outer side wall of the support rod is provided with threads.
7. The protective guard for power construction as claimed in claim 1, wherein the screw tightening ring (3) is a hollow cylinder, the outer side wall of the screw tightening ring is provided with anti-slip threads, the inner side of the screw tightening ring is a truncated cone structure with a narrow top and a wide bottom, and the inner side wall of the screw tightening ring (3) is provided with screw threads.
8. The protective guard for power construction as claimed in claim 7, wherein the threads on the inner side wall of the threaded tightening ring (3) are matched with the threads on the outer side wall of the tightening opening structure of the support rod (4), and the small-diameter end of the inner side of the threaded tightening ring (3) is upwards sleeved on the outer side of the tightening opening structure of the support rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495598.4U CN210217330U (en) | 2019-04-12 | 2019-04-12 | Rail guard for electric power construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495598.4U CN210217330U (en) | 2019-04-12 | 2019-04-12 | Rail guard for electric power construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210217330U true CN210217330U (en) | 2020-03-31 |
Family
ID=69923021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920495598.4U Expired - Fee Related CN210217330U (en) | 2019-04-12 | 2019-04-12 | Rail guard for electric power construction |
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| Country | Link |
|---|---|
| CN (1) | CN210217330U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593943A (en) * | 2020-06-01 | 2020-08-28 | 张学伟 | Protective fence equipment for engineering |
| CN111771863A (en) * | 2020-07-21 | 2020-10-16 | 国网河南淅川县供电公司 | Protector for outdoor power supply operation and using method thereof |
| CN113738140A (en) * | 2021-08-27 | 2021-12-03 | 中煤建工集团有限公司 | Structure outer frame faces limit protection system |
| CN114498504A (en) * | 2022-03-07 | 2022-05-13 | 国网江苏省电力有限公司淮安供电分公司 | Stepless regulation type bus tube isolating device |
-
2019
- 2019-04-12 CN CN201920495598.4U patent/CN210217330U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593943A (en) * | 2020-06-01 | 2020-08-28 | 张学伟 | Protective fence equipment for engineering |
| CN111771863A (en) * | 2020-07-21 | 2020-10-16 | 国网河南淅川县供电公司 | Protector for outdoor power supply operation and using method thereof |
| CN113738140A (en) * | 2021-08-27 | 2021-12-03 | 中煤建工集团有限公司 | Structure outer frame faces limit protection system |
| CN114498504A (en) * | 2022-03-07 | 2022-05-13 | 国网江苏省电力有限公司淮安供电分公司 | Stepless regulation type bus tube isolating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20200331 Termination date: 20210412 |