Safety protection device for construction machinery

Abstract

A safety protection device for construction machinery comprises a protective fence main support, a protective fence auxiliary support, a double-thread rod, a guide rail, a gear and a worm, the front portion of the protective fence main support is fixedly connected with a shaft seat base, the interior of the shaft seat base is fixedly connected with a shaft seat, the rear portion of the protective fence auxiliary support is fixedly connected with a screw shaft, and the interior of the screw shaft is fixedly connected with a screw support. The screw rod support is matched with the double-thread rod and connected with the double-thread rod, the double-thread rod rotates in the screw rod support, a bolt hexagon head is arranged in the double-thread rod, a positioning pin sliding groove is formed in the screw rod shaft, the positioning pin sliding groove is matched with the positioning pin, the positioning pin sliding groove is connected with the positioning pin, and the positioning pin slides in the positioning pin sliding groove. The positioning pin is in threaded connection with the side portion of the double-threaded rod, and the shaft seat is matched with the positioning pin and connected with the positioning pin.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of construction machinery, especially relates to a construction machinery safety device. BACKGROUND

[0002] The prior art (publication number: CN221777461U) provides a construction machinery safety device. The construction machinery safety device comprises a protective fence, eight installation base plates are symmetrically and fixedly installed on the protective fence, one winding structure is rotatably installed on the two symmetrically arranged installation base plates, the winding structure is composed of a winding base rod and a rotating block, the rotating block is two and is fixedly installed at the two ends of the winding base rod, a shielding structure is installed on the winding base rod, the shielding structure is composed of a connecting base rod, shielding cloth, a connecting block and a fixed insertion rod, the shielding cloth is fixedly installed on the connecting base rod, the installation base plates are arranged on the protective fence, however, the device "eight installation base plates are symmetrically and fixedly installed on the protective fence", wherein the equipment is protected by the protective fence, since the protective fence has a fixed length, the length cannot be adjusted according to the actual situation of the mechanical site, and the device has certain limitations. SUMMARY

[0003] The utility model discloses to the above -mentioned insufficient of prior art, provide a kind of through the hexagonal head of worm motor or worm bolt of protection fence main support side portion drive worm rotation, make the gear inside worm wheel driven by worm rotate simultaneously, drive protection fence main support inside protection fence auxiliary support to move extension, so that equipment can be according to the actual demand of mechanical site protection, the length of protection fence main support and protection fence auxiliary support protection is adjusted, to increase the use of equipment A kind of construction machinery safety device.

[0004] The utility model discloses the purpose of realizing through following technical scheme:

[0005] The utility model provides a kind of construction machinery safety guard, including guardrail main support, guardrail auxiliary support, double thread rod, guide rail, gear, worm, the front part of guardrail main support is fixedly connected with axle seat base, inside axle seat base is fixedly connected with axle seat, rear part of guardrail auxiliary support is fixedly connected with screw rod axle, inside screw rod axle is fixedly connected with screw rod support, screw rod support is adapted to double thread rod, screw rod support connects double thread rod, double thread rod rotates inside screw rod support, inside double thread rod has bolt hex head, inside screw rod axle has positioning pin sliding slot, positioning pin sliding slot is adapted to positioning pin, positioning pin sliding slot connects positioning pin, positioning pin slides inside positioning pin sliding slot, positioning pin is connected in screw thread on the side of double thread rod, axle seat is adapted to positioning pin, axle seat connects positioning pin, positioning pin is inserted inside axle seat, inside guardrail main support is fixedly connected with central guide rod, inside guardrail auxiliary support has central guide slot, central guide slot is adapted to central guide rod, central guide slot connects central guide rod, central guide rod is inserted inside central guide slot, lower portion of guardrail main support has main support leg, lower portion of guardrail auxiliary support has auxiliary support leg.

[0006] The auxiliary support leg slides inside the main support leg, the lower portion of the guardrail main support is fixedly connected with the support frame, the inside of the guardrail main support is fixedly connected with the guide rail, the front portion of the guardrail auxiliary support is fixedly connected with the guide rail table, the guide rail is adapted to the guide rail table, and the guide rail is connected to the guide rail table.

[0007] The guide rail table slides inside the guide rail, the upper portion of the guardrail main support has a gear shaft slot, the gear shaft slot is adapted to the gear shaft, the gear shaft slot is connected to the gear shaft, the gear shaft rotates inside the gear shaft slot, the inside of the gear shaft is fixedly connected with the gear, and the upper portion of the guardrail auxiliary support is fixedly connected with the rack.

[0008] The gear engages with the upper portion of the rack, the front portion of the gear shaft is fixedly connected with the worm gear, the front portion of the gear shaft slot is fixedly connected with the worm gear frame, the worm gear frame is adapted to the worm gear, the worm gear frame is connected to the worm gear, the worm gear rotates inside the worm gear frame, and the lower portion of the gear shaft slot is fixedly connected with the worm gear frame.

[0009] The worm gear frame is adapted to the worm, the worm gear frame is connected to the worm, the worm rotates inside the worm gear frame, the upper portion of the guardrail main support is fixedly connected with the worm motor, the inside of the worm motor shaft is fixedly connected with the worm, and the front portion of the worm is fixedly connected with the worm bolt hex head. Advantages

[0010] 1. In the use process of the utility model, the worm is driven to rotate by the worm motor or the worm bolt hex head on the side of the guardrail main support, which drives the gear inside the worm to rotate and drives the guardrail auxiliary support inside the guardrail main support to move and expand, so that the length of the guardrail main support and the guardrail auxiliary support can be adjusted according to the actual needs of the mechanical site protection, thereby increasing the use of the equipment.

[0011] 2. The utility model discloses building machinery safety protection device uses in the process, through the bolt hexagonal head of protection fence vice support rear portion drives two sets of positioning pin to go up and down, make it insert the axle seat inside of protection fence main support front part, thereby make equipment can according to the actual demand of machinery site protection, to its multiple protection fence main support and protection fence vice support are installed, to further increase the adaptability of equipment.

[0012] 3. The utility model discloses building machinery safety protection device uses in the process, through the gear of protection fence main support side portion drive protection fence vice support in the inside of protection fence main support and move extension, and cooperate with the guide rail platform of protection fence vice support lower part and carry out positioning in the guide rail inside, avoid the gear when rotating and be wrong tooth and be blocked, to increase the stability of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a kind of building machinery safety protection device structural schematic diagram for the utility model.

[0014] Figure 2 It is a kind of building machinery safety protection device positioning pin structure partial section three-dimensional assembly schematic diagram for the utility model.

[0015] Figure 3 It is a kind of building machinery safety protection device guide rail platform structure partial section three-dimensional assembly schematic diagram for the utility model.

[0016] Figure 4 It is a kind of building machinery safety protection device gear structure partial section three-dimensional assembly schematic diagram for the utility model. DETAILED DESCRIPTION

[0017] The utility model will be further explained in detail according to the drawings and examples:

[0018] Example 1:

[0019] The utility model discloses a construction machinery safety guard device, including guard rail main support 01, guard rail vice support 04, double thread rod 07, guide rail 16, gear 20, worm 25, guard rail main support 01 front portion is fixedly connected with axle seat base 02, the inside fixed connection of axle seat base 02 and axle seat 03, guard rail vice support 04 rear portion is fixedly connected with screw rod axle 05, the inside fixed connection of screw rod axle 05 and screw rod support 06, screw rod support 06 is adapted to double thread rod 07, screw rod support 06 connects double thread rod 07, and double thread rod 07 rotates in screw rod support 06, and the inside of double thread rod 07 has bolt hexagonal head 08, during the use of construction machinery safety guard device, drives two groups of positioning pin 10 to go up and down through bolt hexagonal head 08 of guard rail vice support 04 rear portion, makes it insert the inside of axle seat 03 in guard rail main support 01 front portion, so that equipment can be installed to a plurality of guard rail main support 01 and guard rail vice support 04 according to the actual demand of mechanical site protection, to further increase the adaptability of equipment, the inside of screw rod axle 05 has positioning pin sliding slot 09, and positioning pin sliding slot 09 is adapted to positioning pin 10, and positioning pin sliding slot 09 connects positioning pin 10, and positioning pin 10 slides in positioning pin sliding slot 09, and positioning pin 10 is connected in the side portion screw thread of double thread rod 07, and axle seat 03 is adapted to positioning pin 10, and axle seat 03 connects positioning pin 10, and positioning pin 10 inserts the inside of axle seat 03, and the inside fixed connection of guard rail main support 01 and center guide rod 11, and guard rail vice support 04 inside has center guide groove 12, and center guide groove 12 is adapted to center guide rod 11, and center guide groove 12 connects center guide rod 11, and center guide rod 11 inserts the inside of center guide groove 12, and guard rail main support 01 lower portion has main support leg 13, and guard rail vice support 04 lower portion has vice support leg 14.

[0020] Embodiment 2

[0021] The utility model discloses a vice support leg 14 inside main support leg 13 slides, and guard rail main support 01 lower portion is fixedly connected with support frame 15, and the inside fixed connection of guard rail main support 01 and guide rail 16, and guard rail vice support 04 front portion is fixedly connected with guide rail table 17, and guide rail 16 is adapted to guide rail table 17, and guide rail 16 connects guide rail table 17.

[0022] Embodiment 3

[0023] The utility model discloses a guide rail table 17 inside guide rail 16 slides, and guard rail main support 01 upper portion has gear shaft groove 18, and gear shaft groove 18 is adapted to gear shaft 19, and gear shaft groove 18 connects gear shaft 19, and gear shaft 19 rotates in gear shaft groove 18, and the inside fixed connection of gear shaft 19 and gear 20, and guard rail vice support 04 upper portion is fixedly connected with rack 21.

[0024] Embodiment 4

[0025] The gear 20 is engaged on the upper part of the rack 21, and during use of the construction machinery safety protection device, the gear 20 at the side of the protective fence main support 01 drives the protective fence auxiliary support 04 inside the protective fence main support 01 to move and expand, and cooperates with the guide rail table 17 at the lower part of the protective fence auxiliary support 04 to be positioned inside the guide rail 16, so that the gear 20 is prevented from being blocked when rotating, thereby increasing the stability of the equipment, the front part of the gear shaft 19 is fixedly connected with the worm wheel 22, the front part of the gear shaft groove 18 is fixedly connected with the worm wheel frame 23, the worm wheel frame 23 is adapted to the worm wheel 22, the worm wheel frame 23 is connected with the worm wheel 22, the worm wheel 22 rotates inside the worm wheel frame 23, and the lower part of the gear shaft groove 18 is fixedly connected with the worm gear frame 24.

[0026] Embodiment 5

[0027] The worm gear frame 24 is adapted to the worm gear 25, the worm gear frame 24 is connected with the worm gear 25, the worm gear 25 rotates inside the worm gear frame 24, the upper part of the protective fence main support 01 is fixedly connected with the worm gear motor 26, during use of the construction machinery safety protection device, the worm gear motor 26 or the worm gear bolt hexagonal head 27 at the side of the protective fence main support 01 drives the worm gear 25 to rotate, so that the worm gear 25 drives the gear 20 inside the worm wheel 22 to rotate, and at the same time, drives the protective fence auxiliary support 04 inside the protective fence main support 01 to move and expand, so that the length of the protective fence main support 01 and the protective fence auxiliary support 04 can be adjusted according to the actual needs of the mechanical site protection, thereby increasing the use of the equipment, the inside of the worm gear motor shaft is fixedly connected with the worm gear 25, and the front part of the worm gear 25 is fixedly connected with the worm gear bolt hexagonal head 27.

[0028] Embodiment 6

[0029] The utility model discloses installation steps: with the axle seat base 02 fixed connection of the protective fence main support 01 front part, with the axle seat 03 fixed connection of axle seat base 02 inside, with the screw rod axle 05 fixed connection of protective fence vice support 04 rear part, with the screw rod support 06 fixed connection of screw rod axle 05 inside, rotate with the screw rod support 06 inside of double thread rod 7, with the positioning pin 10 inside positioning pin sliding slot 9 sliding, with the positioning pin 10 in double thread rod 7 side part screw connection, with the positioning pin 10 inserted axle seat 03 inside, with the center guide rod 11 fixed connection of protective fence main support 01 inside, with the center guide rod 11 inserted center guide slot 12 inside, with vice support leg 14 in main support leg 13 inside sliding, with the support frame 15 fixed connection of protective fence main support 01 lower part, with the guide rail 16 fixed connection of protective fence main support 01 inside, with the guide rail table 17 fixed connection of protective fence vice support 04 front part, with the guide rail table 17 in guide rail 16 inside sliding, with the gear shaft 19 in gear shaft slot 18 inside rotation, with the gear 20 fixed connection of gear shaft 19 inside, with the rack 21 fixed connection of protective fence vice support 04 upper part, with the gear 20 in rack 21 upper part meshing, with the worm wheel 22 fixed connection of gear shaft 19 front part, with the worm wheel frame 23 fixed connection of gear shaft slot 18 front part, with the worm wheel 22 in worm wheel frame 23 inside rotation, with the worm gear frame 24 fixed connection of gear shaft slot 18 lower part, with the worm gear 25 in worm gear frame 24 inside rotation, with the worm gear motor 26 fixed connection of protective fence main support 01 upper part, with the worm gear 25 fixed connection of worm gear motor shaft inside, with the worm gear 25 front part and worm gear bolt hexagonal head 27 fixed connection.

[0030] The above only is the preferred implementation of the utility model, and does not use for limiting the utility model, should point out, for the ordinary skill in the art of this technology, under the premise of not departing from the technical principle of the utility model, can also make a number of improvements and variations, these improvements and variations also should be regarded as the protection range of the utility model.

Claims

1. A safety guard for a construction machine, characterized by : Including the guardrail main support (01), guardrail vice support (04), double thread rod (07), guide rail (16), gear (20), worm (25), the guardrail main support (01) front part is fixedly connected with axle seat base (02), the inside of axle seat base (02) is fixedly connected with axle seat (03), guardrail vice support (04) rear part is fixedly connected with screw rod axle (05), screw rod axle (05) inside is fixedly connected with screw rod support (06), screw rod support (06) is adapted to double thread rod (07), screw rod support (06) connects double thread rod (07), double thread rod (07) rotates in screw rod support (06) inside, double thread rod (07) inside has bolt hexagonal head (08), screw rod axle (05) inside has positioning pin sliding slot (09), positioning pin sliding slot (09) is adapted to positioning pin (10), positioning pin sliding slot (09) is connected with positioning pin (10), positioning pin (10) slides in positioning pin sliding slot (09) inside, positioning pin (10) is threadedly connected in double thread rod (07) side part, axle seat (03) is adapted to positioning pin (10), axle seat (03) connects positioning pin (10), positioning pin (10) is inserted into axle seat (03) inside, the inside of guardrail main support (01) is fixedly connected with center guide rod (11), guardrail vice support (04) inside has center guide groove (12), center guide groove (12) is adapted to center guide rod (11), center guide groove (12) connects center guide rod (11), center guide rod (11) is inserted into center guide groove (12) inside, guardrail main support (01) lower part has main support leg (13), guardrail vice support (04) lower part has vice support leg (14).

2. A safety shield for a construction machine according to claim 1, characterized in that : Vice support leg (14) slides in main support leg (13) inside, guardrail main support (01) lower part is fixedly connected with support frame (15), the inside of guardrail main support (01) is fixedly connected with guide rail (16), guardrail vice support (04) front part is fixedly connected with guide rail table (17), guide rail (16) is adapted to guide rail table (17), guide rail (16) connects guide rail table (17).

3. A safety shield for a construction machine according to claim 2, wherein : Guide rail table (17) slides in guide rail (16) inside, guardrail main support (01) upper part has gear shaft groove (18), gear shaft groove (18) is adapted to gear shaft (19), gear shaft groove (18) connects gear shaft (19), gear shaft (19) rotates in gear shaft groove (18) inside, the inside of gear shaft (19) is fixedly connected with gear (20), guardrail vice support (04) upper part is fixedly connected with rack (21).

4. A safety shield for a construction machine according to claim 3, wherein : Gear (20) engages on rack (21) upper part, gear shaft (19) front part is fixedly connected with worm wheel (22), gear shaft groove (18) front part is fixedly connected with worm wheel frame (23), worm wheel frame (23) is adapted to worm wheel (22), worm wheel frame (23) connects worm wheel (22), worm wheel (22) rotates in worm wheel frame (23) inside, gear shaft groove (18) lower part is fixedly connected with worm gear frame (24).

5. A safety shield for a construction machine according to claim 4, wherein The worm frame (24) is matched with the worm (25), the worm frame (24) is connected with the worm (25), the worm (25) rotates inside the worm frame (24), the upper portion of the guardrail main support (01) is fixedly connected with the worm motor (26), the inside of the worm motor shaft is fixedly connected with the worm (25), and the front portion of the worm (25) is fixedly connected with the hexagonal head of the worm bolt (27).

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