Safe anti-blocking device for jaw crusher
By designing a safety anti-blocking device for jaw crushers, using a motor to drive the push rod into the feed pipe to diffuse blocked materials, the problem of easy blockage of the discharge port of jaw crusher is solved, avoiding the risk of manual dredging and reducing costs.
Patent Information
- Application Number
- CN202421146930.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-24
AI Technical Summary
When jaw crusher crushes limestone, the discharge port is easily blocked by limestone, resulting in manual clearance, which increases labor costs and is dangerous.
A safety and anti-blocking device is designed, including feed pipe, support rod, motor, gear and push rod. The push rod is continuously inserted into the feed pipe by driving the push rod to guide the blocked material.
It effectively avoids the danger of manual unblocking under jaw crusher, reduces labor costs, and improves the operating efficiency of the crusher.
Smart Images

Figure CN222551079U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of jaw crushers, in particular to a safety anti-blocking device for jaw crushers. Background Art
[0002] Limestone is a calcium carbonate rock with calcite (mineral) as its main component. Limestone is mainly formed in shallow seas and can be directly processed into stone or burned into quicklime.
[0003] At present, when the jaw crusher is crushing limestone, the discharge port is easily blocked by limestone, and it is usually cleared manually. This method not only increases the labor cost, but also is highly dangerous when clearing under the jaw crusher manually. Summary of the invention
[0004] The technical problem to be solved by the utility model is to provide a safety anti-blocking device for a jaw crusher.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety anti-blocking device for a jaw crusher, comprising a feed pipe, support rods are fixedly installed on both sides of the right end face of the feed pipe, a rotating shaft is rotatably connected between the two groups of support rods, a motor is arranged on the front side of the rotating shaft one, the motor is fixedly connected to one group of support rods, the output shaft of the motor is fixedly connected to the rotating shaft one, the rear end face of the support rod is rotatably connected to the rotating shaft two, a gear two is fixedly installed on the rear end of the rotating shaft two, the gear two is meshed with the gear one, two groups of the gear two and the rotating shaft two are correspondingly arranged, and are symmetrically arranged, and the two groups of gear two are meshed with the gear one, and a sliding bar is eccentrically installed between the two groups of gear two.
[0006] Furthermore, a push rod 1 is provided between the two groups of support rods, a slide rail is fixedly mounted on the upper end of the push rod 1, and the slide rod is slidably connected to the slide rail.
[0007] Furthermore, a second slide groove is provided on the right end surface of the push rod one, and a first slide groove is provided on the right end surfaces of the two groups of support rods.
[0008] Furthermore, a transmission rod is slidably connected between the two groups of the first slide grooves, and the transmission rod extends into the interior of the second slide groove and is slidably connected to the second slide groove.
[0009] Furthermore, a spring is arranged inside the second slide slot, and the spring is fixedly installed between the transmission rod and the inner wall of the second slide slot.
[0010] Furthermore, a push rod 2 is slidably connected inside the second slide groove, one end of the push rod 2 is fixedly connected to the transmission rod, and the other end extends to the outside of the second slide groove, and the lower end of the push rod 1 extends to the inside of the feed pipe.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The utility model provides a push rod 1 and a push rod 2, and uses a motor to drive the push rod 1 and the push rod 2 to continuously insert into the feed pipe, so as to dredge the blocked materials, thereby avoiding the danger of manual dredging under the jaw crusher. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 This is the overall structural view of the utility model;
[0015] Figure 2 For the utility model Figure 1 The enlarged schematic diagram at A in the middle;
[0016] Figure 3 This is a schematic diagram of the core components of the utility model;
[0017] Figure 4 For the utility model Figure 3 Enlarged schematic diagram of point B in the middle.
[0018] Description of reference numerals:
[0019] 1. Feed pipe; 2. Support rod; 3. Rotating shaft 1; 4. Motor; 5. Gear 1; 6. Rotating shaft 2; 7. Gear 2; 8. Sliding rod; 9. Push rod 1; 10. Slide rail; 11. Slide chute 1; 12. Slide chute 2; 13. Transmission rod; 14. Spring; 15. Push rod 2. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figures 1 to 4 , the utility model provides a technical solution:
[0022] A safety anti-blocking device for a jaw crusher comprises a feed pipe 1, support rods 2 are fixedly installed on both sides of the right end face of the feed pipe 1, a rotating shaft is rotatably connected between two groups of support rods 2, a motor 4 is arranged on the front side of a rotating shaft 3, the motor 4 is fixedly connected to one group of support rods 2, the output shaft of the motor 4 is fixedly connected to the rotating shaft 3, a rotating shaft 2 6 is rotatably connected to the rear end face of the support rod 2, a gear 2 7 is fixedly installed at the rear end of the rotating shaft 2 6, the gear 2 7 is meshed with the gear 1 5, two groups of gears 2 7 and the rotating shaft 2 6 are correspondingly arranged, and are symmetrically arranged, and the two groups of gears 2 7 are both meshed with the gear 1 5, and a sliding rod 8 is eccentrically installed between the two groups of gears 2 7.
[0023] A push rod 9 is arranged between the two groups of support rods 2, a slide rail 10 is fixedly installed on the upper end of the push rod 9, and the slide rod 8 is slidably connected to the slide rail 10.
[0024] The right end surface of the push rod 1 9 is provided with a second slide groove 12 , and the right end surfaces of the two groups of support rods 2 are both provided with a first slide groove 11 .
[0025] A transmission rod 13 is slidably connected between the two sets of slide grooves 11 . The transmission rod 13 extends into the interior of the slide groove 2 12 and is slidably connected to the slide groove 2 12 .
[0026] First, when the jaw crusher is blocked, the motor 4 can be started to rotate the shaft 3 carrying the gear 5, and the gear 27 on the shaft 26 is meshed with the gear 5, so the gear 27 will carry the slide bar 8 to rotate. The slide bar 8 is eccentrically installed and therefore moves eccentrically. The slide bar 8 is slidably connected to the slide rail 10 on the push rod 9, thereby driving the push rod 9 to reciprocate.
[0027] A spring 14 is arranged inside the second slideway 12, and the spring 14 is fixedly installed between the transmission rod 13 and the inner wall of the second slideway 12. Unblocking.
[0028] The front end of the push rod 1 9 is slidably connected with the push rod 2 15, which first contacts the blocked material. When the blockage is not serious, the push rod 2 15 can clear the blockage. When the blockage is serious, the push rod 2 15 will shrink into the interior of the push rod 1 9, and the push rod 1 9 will contact the material, increase the contact area with the material, and then clear the material.
[0029] A push rod 15 is slidably connected inside the second slide groove 12. One end of the push rod 15 is fixedly connected to the transmission rod 13, and the other end extends to the outside of the second slide groove 12. The lower end of the push rod 19 extends to the inside of the feed pipe 1.
[0030] The utility model provides a push rod 1 9 and a push rod 2 15, and utilizes a motor 4 to drive the push rod 1 9 and the push rod 2 15 to continuously insert into the feed pipe 1, thereby dredging the blocked material, avoiding the danger of manual dredging under the jaw crusher.
[0031] Working principle: First, when the jaw crusher is blocked, the motor 4 can be started to rotate the shaft 3 carrying the gear 5, and the gear 27 on the shaft 26 is meshed with the gear 15, so the gear 27 will carry the slide bar 8 to rotate. The slide bar 8 is eccentrically installed and therefore moves eccentrically. The slide bar 8 is slidably connected to the slide rail 10 on the push rod 9, and then the push rod 9 can be driven to reciprocate. The front end of the push rod 9 is slidably connected with the push rod 2 15, and the push rod 2 15 first contacts the blocked material. When the material blockage is not serious, the push rod 2 15 can clear the blockage. When the blockage is serious, the push rod 2 15 will shrink into the interior of the push rod 9, and the push rod 9 will contact the material, increasing the contact area with the material, thereby clearing the material.
[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A safety anti-blocking device for a jaw crusher, comprising a feed pipe (1), characterized in that: Support rods (2) are fixedly installed on both sides of the right end surface of the feeding pipe (1), and a rotating shaft is rotatably connected between the two groups of support rods (2). A motor (4) is arranged on the front side of the rotating shaft 1 (3), and the motor (4) is fixedly connected to one group of support rods (2). The output shaft of the motor (4) is fixedly connected to the rotating shaft 1 (3). The rear end surface of the support rod (2) is rotatably connected to the rotating shaft 2 (6), and the rear end of the rotating shaft 2 (6) is fixedly installed with a gear 2 (7), and the gear 2 (7) is meshed with the gear 1 (5). The gear 2 (7) and the rotating shaft 2 (6) are arranged in two groups corresponding to each other and are symmetrically arranged, and the two groups of gear 2 (7) are both meshed with the gear 1 (5). A sliding rod (8) is eccentrically installed between the two groups of gear 2 (7).
2. A safety anti-blocking device for a jaw crusher according to claim 1, characterized in that: A push rod (9) is provided between the two groups of support rods (2), a slide rail (10) is fixedly mounted on the upper end of the push rod (9), and the slide rod (8) is slidably connected to the slide rail (10).
3. A safety anti-blocking device for a jaw crusher according to claim 2, characterized in that: The right end surface of the push rod 1 (9) is provided with a second slide groove (12), and the right end surfaces of the two groups of support rods (2) are both provided with a first slide groove (11).
4. A safety anti-blocking device for a jaw crusher according to claim 3, characterized in that: A transmission rod (13) is slidably connected between the two groups of the first slide grooves (11), and the transmission rod (13) extends into the interior of the second slide groove (12) and is slidably connected to the second slide groove (12).
5. A safety anti-blocking device for a jaw crusher according to claim 4, characterized in that: A spring (14) is arranged inside the second slide groove (12), and the spring (14) is fixedly installed between the transmission rod (13) and the inner wall of the second slide groove (12).
6. A safety anti-blocking device for a jaw crusher according to claim 5, characterized in that: The interior of the second slide groove (12) is slidably connected with a second push rod (15), one end of which is fixedly connected to the transmission rod (13), and the other end of which extends to the outside of the second slide groove (12), and the lower end of the first push rod (9) extends to the inside of the feed pipe (1).